2017-03-17 06:18:50 +00:00
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// SPDX-License-Identifier: GPL-2.0
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#include "bcachefs.h"
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2020-05-25 18:57:06 +00:00
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#include "btree_update_interior.h"
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2019-02-11 00:34:47 +00:00
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#include "buckets.h"
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2017-03-17 06:18:50 +00:00
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#include "checksum.h"
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#include "disk_groups.h"
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2018-11-01 19:13:19 +00:00
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#include "ec.h"
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2017-03-17 06:18:50 +00:00
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#include "error.h"
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#include "io.h"
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#include "journal.h"
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2021-03-05 00:06:26 +00:00
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#include "journal_io.h"
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2022-03-10 21:43:52 +00:00
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#include "journal_sb.h"
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2019-04-05 01:53:12 +00:00
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#include "journal_seq_blacklist.h"
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2017-03-17 06:18:50 +00:00
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#include "replicas.h"
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#include "quota.h"
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#include "super-io.h"
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#include "super.h"
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2022-04-03 19:13:20 +00:00
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#include "trace.h"
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2017-03-17 06:18:50 +00:00
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#include "vstructs.h"
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2022-03-15 08:36:33 +00:00
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#include "counters.h"
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2017-03-17 06:18:50 +00:00
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#include <linux/backing-dev.h>
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#include <linux/sort.h>
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static const struct blk_holder_ops bch2_sb_handle_bdev_ops = {
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};
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const char * const bch2_sb_fields[] = {
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#define x(name, nr) #name,
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BCH_SB_FIELDS()
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#undef x
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NULL
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};
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2022-01-04 04:38:50 +00:00
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static int bch2_sb_field_validate(struct bch_sb *, struct bch_sb_field *,
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struct printbuf *);
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2017-03-17 06:18:50 +00:00
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struct bch_sb_field *bch2_sb_field_get(struct bch_sb *sb,
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enum bch_sb_field_type type)
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{
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struct bch_sb_field *f;
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/* XXX: need locking around superblock to access optional fields */
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vstruct_for_each(sb, f)
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if (le32_to_cpu(f->type) == type)
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return f;
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return NULL;
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}
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static struct bch_sb_field *__bch2_sb_field_resize(struct bch_sb_handle *sb,
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struct bch_sb_field *f,
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unsigned u64s)
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{
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unsigned old_u64s = f ? le32_to_cpu(f->u64s) : 0;
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unsigned sb_u64s = le32_to_cpu(sb->sb->u64s) + u64s - old_u64s;
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2021-04-06 18:00:56 +00:00
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BUG_ON(__vstruct_bytes(struct bch_sb, sb_u64s) > sb->buffer_size);
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2017-03-17 06:18:50 +00:00
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2019-12-18 22:34:36 +00:00
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if (!f && !u64s) {
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/* nothing to do: */
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} else if (!f) {
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2017-03-17 06:18:50 +00:00
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f = vstruct_last(sb->sb);
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memset(f, 0, sizeof(u64) * u64s);
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f->u64s = cpu_to_le32(u64s);
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f->type = 0;
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} else {
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void *src, *dst;
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src = vstruct_end(f);
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2018-10-30 18:32:47 +00:00
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if (u64s) {
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f->u64s = cpu_to_le32(u64s);
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dst = vstruct_end(f);
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} else {
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dst = f;
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}
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2017-03-17 06:18:50 +00:00
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memmove(dst, src, vstruct_end(sb->sb) - src);
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if (dst > src)
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memset(src, 0, dst - src);
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}
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sb->sb->u64s = cpu_to_le32(sb_u64s);
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2018-10-30 18:32:47 +00:00
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return u64s ? f : NULL;
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}
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void bch2_sb_field_delete(struct bch_sb_handle *sb,
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enum bch_sb_field_type type)
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{
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struct bch_sb_field *f = bch2_sb_field_get(sb->sb, type);
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if (f)
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__bch2_sb_field_resize(sb, f, 0);
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2017-03-17 06:18:50 +00:00
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}
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/* Superblock realloc/free: */
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void bch2_free_super(struct bch_sb_handle *sb)
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{
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2022-10-19 22:31:33 +00:00
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kfree(sb->bio);
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2017-03-17 06:18:50 +00:00
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if (!IS_ERR_OR_NULL(sb->bdev))
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blkdev_put(sb->bdev, sb->holder);
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kfree(sb->holder);
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2021-04-06 18:00:56 +00:00
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kfree(sb->sb);
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2017-03-17 06:18:50 +00:00
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memset(sb, 0, sizeof(*sb));
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}
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int bch2_sb_realloc(struct bch_sb_handle *sb, unsigned u64s)
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{
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size_t new_bytes = __vstruct_bytes(struct bch_sb, u64s);
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2021-04-06 18:00:56 +00:00
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size_t new_buffer_size;
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2017-03-17 06:18:50 +00:00
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struct bch_sb *new_sb;
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struct bio *bio;
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2021-04-06 18:00:56 +00:00
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if (sb->bdev)
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new_bytes = max_t(size_t, new_bytes, bdev_logical_block_size(sb->bdev));
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new_buffer_size = roundup_pow_of_two(new_bytes);
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if (sb->sb && sb->buffer_size >= new_buffer_size)
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2017-03-17 06:18:50 +00:00
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return 0;
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if (sb->have_layout) {
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u64 max_bytes = 512 << sb->sb->layout.sb_max_size_bits;
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if (new_bytes > max_bytes) {
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pr_err("%pg: superblock too big: want %zu but have %llu",
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sb->bdev, new_bytes, max_bytes);
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2022-09-18 21:10:33 +00:00
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return -BCH_ERR_ENOSPC_sb;
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2017-03-17 06:18:50 +00:00
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}
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}
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2021-04-06 18:00:56 +00:00
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if (sb->buffer_size >= new_buffer_size && sb->sb)
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2017-03-17 06:18:50 +00:00
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return 0;
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if (dynamic_fault("bcachefs:add:super_realloc"))
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return -ENOMEM;
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if (sb->have_bio) {
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2021-04-06 18:00:56 +00:00
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unsigned nr_bvecs = DIV_ROUND_UP(new_buffer_size, PAGE_SIZE);
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2017-03-17 06:18:50 +00:00
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bio = bio_kmalloc(nr_bvecs, GFP_KERNEL);
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if (!bio)
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return -ENOMEM;
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bio_init(bio, NULL, bio->bi_inline_vecs, nr_bvecs, 0);
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2022-10-19 22:31:33 +00:00
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kfree(sb->bio);
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2017-03-17 06:18:50 +00:00
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sb->bio = bio;
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}
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2021-04-06 18:00:56 +00:00
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new_sb = krealloc(sb->sb, new_buffer_size, GFP_NOFS|__GFP_ZERO);
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2017-03-17 06:18:50 +00:00
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if (!new_sb)
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return -ENOMEM;
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sb->sb = new_sb;
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2021-04-06 18:00:56 +00:00
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sb->buffer_size = new_buffer_size;
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2017-03-17 06:18:50 +00:00
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return 0;
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}
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struct bch_sb_field *bch2_sb_field_resize(struct bch_sb_handle *sb,
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enum bch_sb_field_type type,
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unsigned u64s)
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{
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struct bch_sb_field *f = bch2_sb_field_get(sb->sb, type);
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ssize_t old_u64s = f ? le32_to_cpu(f->u64s) : 0;
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ssize_t d = -old_u64s + u64s;
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if (bch2_sb_realloc(sb, le32_to_cpu(sb->sb->u64s) + d))
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return NULL;
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if (sb->fs_sb) {
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struct bch_fs *c = container_of(sb, struct bch_fs, disk_sb);
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struct bch_dev *ca;
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unsigned i;
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lockdep_assert_held(&c->sb_lock);
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/* XXX: we're not checking that offline device have enough space */
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for_each_online_member(ca, c, i) {
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struct bch_sb_handle *sb = &ca->disk_sb;
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if (bch2_sb_realloc(sb, le32_to_cpu(sb->sb->u64s) + d)) {
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percpu_ref_put(&ca->ref);
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return NULL;
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}
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}
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}
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2019-02-09 23:24:20 +00:00
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f = bch2_sb_field_get(sb->sb, type);
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2017-03-17 06:18:50 +00:00
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f = __bch2_sb_field_resize(sb, f, u64s);
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2018-10-30 18:32:47 +00:00
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if (f)
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f->type = cpu_to_le32(type);
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2017-03-17 06:18:50 +00:00
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return f;
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}
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/* Superblock validate: */
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static inline void __bch2_sb_layout_size_assert(void)
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{
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BUILD_BUG_ON(sizeof(struct bch_sb_layout) != 512);
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}
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2022-01-04 04:38:50 +00:00
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static int validate_sb_layout(struct bch_sb_layout *layout, struct printbuf *out)
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2017-03-17 06:18:50 +00:00
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{
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u64 offset, prev_offset, max_sectors;
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unsigned i;
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if (!uuid_equal(&layout->magic, &BCACHE_MAGIC) &&
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2022-01-04 04:38:50 +00:00
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!uuid_equal(&layout->magic, &BCHFS_MAGIC)) {
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "Not a bcachefs superblock layout");
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_sb_layout;
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2022-01-04 04:38:50 +00:00
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}
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2017-03-17 06:18:50 +00:00
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2022-01-04 04:38:50 +00:00
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if (layout->layout_type != 0) {
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "Invalid superblock layout type %u",
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2022-01-04 04:38:50 +00:00
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layout->layout_type);
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_sb_layout_type;
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2022-01-04 04:38:50 +00:00
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}
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2017-03-17 06:18:50 +00:00
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2022-01-04 04:38:50 +00:00
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if (!layout->nr_superblocks) {
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "Invalid superblock layout: no superblocks");
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_sb_layout_nr_superblocks;
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2022-01-04 04:38:50 +00:00
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}
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2017-03-17 06:18:50 +00:00
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2022-01-04 04:38:50 +00:00
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if (layout->nr_superblocks > ARRAY_SIZE(layout->sb_offset)) {
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "Invalid superblock layout: too many superblocks");
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_sb_layout_nr_superblocks;
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2022-01-04 04:38:50 +00:00
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}
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2017-03-17 06:18:50 +00:00
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max_sectors = 1 << layout->sb_max_size_bits;
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prev_offset = le64_to_cpu(layout->sb_offset[0]);
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for (i = 1; i < layout->nr_superblocks; i++) {
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offset = le64_to_cpu(layout->sb_offset[i]);
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2022-01-04 04:38:50 +00:00
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if (offset < prev_offset + max_sectors) {
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "Invalid superblock layout: superblocks overlap\n"
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2022-01-04 04:38:50 +00:00
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" (sb %u ends at %llu next starts at %llu",
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i - 1, prev_offset + max_sectors, offset);
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_sb_layout_superblocks_overlap;
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2022-01-04 04:38:50 +00:00
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}
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2017-03-17 06:18:50 +00:00
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prev_offset = offset;
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}
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2022-01-04 04:38:50 +00:00
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return 0;
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2017-03-17 06:18:50 +00:00
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}
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2022-03-21 07:03:03 +00:00
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static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out,
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int rw)
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2017-03-17 06:18:50 +00:00
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{
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struct bch_sb *sb = disk_sb->sb;
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struct bch_sb_field *f;
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struct bch_sb_field_members *mi;
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2022-03-21 04:15:38 +00:00
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enum bch_opt_id opt_id;
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2018-11-01 19:10:01 +00:00
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u32 version, version_min;
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2017-03-17 06:18:50 +00:00
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u16 block_size;
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2022-01-04 04:38:50 +00:00
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int ret;
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2017-03-17 06:18:50 +00:00
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2018-11-01 19:10:01 +00:00
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version = le16_to_cpu(sb->version);
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2022-03-21 03:34:11 +00:00
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version_min = version >= bcachefs_metadata_version_bkey_renumber
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2018-11-01 19:10:01 +00:00
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? le16_to_cpu(sb->version_min)
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: version;
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2022-01-04 04:38:50 +00:00
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if (version >= bcachefs_metadata_version_max) {
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "Unsupported superblock version %u (min %u, max %u)",
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2022-01-04 04:38:50 +00:00
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version, bcachefs_metadata_version_min, bcachefs_metadata_version_max);
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_sb_version;
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2022-01-04 04:38:50 +00:00
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}
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2017-03-17 06:18:50 +00:00
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2022-01-04 04:38:50 +00:00
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if (version_min < bcachefs_metadata_version_min) {
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "Unsupported superblock version %u (min %u, max %u)",
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2022-01-04 04:38:50 +00:00
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version_min, bcachefs_metadata_version_min, bcachefs_metadata_version_max);
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_sb_version;
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2022-01-04 04:38:50 +00:00
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}
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if (version_min > version) {
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "Bad minimum version %u, greater than version field %u",
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2022-01-04 04:38:50 +00:00
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version_min, version);
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_sb_version;
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2022-01-04 04:38:50 +00:00
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}
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2018-11-01 19:10:01 +00:00
|
|
|
|
2018-11-12 23:30:55 +00:00
|
|
|
if (sb->features[1] ||
|
2022-01-04 04:38:50 +00:00
|
|
|
(le64_to_cpu(sb->features[0]) & (~0ULL << BCH_FEATURE_NR))) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Filesystem has incompatible features");
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_features;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2018-11-12 23:30:55 +00:00
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
block_size = le16_to_cpu(sb->block_size);
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (block_size > PAGE_SECTORS) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Block size too big (got %u, max %u)",
|
2022-01-04 04:38:50 +00:00
|
|
|
block_size, PAGE_SECTORS);
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_block_size;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (bch2_is_zero(sb->user_uuid.b, sizeof(sb->user_uuid))) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Bad user UUID (got zeroes)");
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_uuid;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (bch2_is_zero(sb->uuid.b, sizeof(sb->uuid))) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Bad intenal UUID (got zeroes)");
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_uuid;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (!sb->nr_devices ||
|
2022-01-04 04:38:50 +00:00
|
|
|
sb->nr_devices > BCH_SB_MEMBERS_MAX) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Bad number of member devices %u (max %u)",
|
2022-01-04 04:38:50 +00:00
|
|
|
sb->nr_devices, BCH_SB_MEMBERS_MAX);
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_too_many_members;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (sb->dev_idx >= sb->nr_devices) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Bad dev_idx (got %u, nr_devices %u)",
|
2022-01-04 04:38:50 +00:00
|
|
|
sb->dev_idx, sb->nr_devices);
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_dev_idx;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (!sb->time_precision ||
|
2022-01-04 04:38:50 +00:00
|
|
|
le32_to_cpu(sb->time_precision) > NSEC_PER_SEC) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Invalid time precision: %u (min 1, max %lu)",
|
2022-01-04 04:38:50 +00:00
|
|
|
le32_to_cpu(sb->time_precision), NSEC_PER_SEC);
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_time_precision;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-03-21 07:03:03 +00:00
|
|
|
if (rw == READ) {
|
|
|
|
/*
|
|
|
|
* Been seeing a bug where these are getting inexplicably
|
|
|
|
* zeroed, so we'r now validating them, but we have to be
|
|
|
|
* careful not to preven people's filesystems from mounting:
|
|
|
|
*/
|
|
|
|
if (!BCH_SB_JOURNAL_FLUSH_DELAY(sb))
|
|
|
|
SET_BCH_SB_JOURNAL_FLUSH_DELAY(sb, 1000);
|
|
|
|
if (!BCH_SB_JOURNAL_RECLAIM_DELAY(sb))
|
|
|
|
SET_BCH_SB_JOURNAL_RECLAIM_DELAY(sb, 1000);
|
|
|
|
}
|
|
|
|
|
2022-03-21 04:15:38 +00:00
|
|
|
for (opt_id = 0; opt_id < bch2_opts_nr; opt_id++) {
|
|
|
|
const struct bch_option *opt = bch2_opt_table + opt_id;
|
|
|
|
|
|
|
|
if (opt->get_sb != BCH2_NO_SB_OPT) {
|
|
|
|
u64 v = bch2_opt_from_sb(sb, opt_id);
|
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Invalid option ");
|
2022-03-21 04:15:38 +00:00
|
|
|
ret = bch2_opt_validate(opt, v, out);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
printbuf_reset(out);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
/* validate layout */
|
2022-01-04 04:38:50 +00:00
|
|
|
ret = validate_sb_layout(&sb->layout, out);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
vstruct_for_each(sb, f) {
|
2022-01-04 04:38:50 +00:00
|
|
|
if (!f->u64s) {
|
2022-11-20 03:39:08 +00:00
|
|
|
prt_printf(out, "Invalid superblock: optional field with size 0 (type %u)",
|
2022-01-04 04:38:50 +00:00
|
|
|
le32_to_cpu(f->type));
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_field_size;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (vstruct_next(f) > vstruct_last(sb)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Invalid superblock: optional field extends past end of superblock (type %u)",
|
2022-01-04 04:38:50 +00:00
|
|
|
le32_to_cpu(f->type));
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_field_size;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* members must be validated first: */
|
|
|
|
mi = bch2_sb_get_members(sb);
|
2022-01-04 04:38:50 +00:00
|
|
|
if (!mi) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Invalid superblock: member info area missing");
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_members_missing;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
ret = bch2_sb_field_validate(sb, &mi->field, out);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
vstruct_for_each(sb, f) {
|
|
|
|
if (le32_to_cpu(f->type) == BCH_SB_FIELD_members)
|
|
|
|
continue;
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
ret = bch2_sb_field_validate(sb, f, out);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
return 0;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* device open: */
|
|
|
|
|
|
|
|
static void bch2_sb_update(struct bch_fs *c)
|
|
|
|
{
|
|
|
|
struct bch_sb *src = c->disk_sb.sb;
|
|
|
|
struct bch_sb_field_members *mi = bch2_sb_get_members(src);
|
|
|
|
struct bch_dev *ca;
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
lockdep_assert_held(&c->sb_lock);
|
|
|
|
|
|
|
|
c->sb.uuid = src->uuid;
|
|
|
|
c->sb.user_uuid = src->user_uuid;
|
2018-11-01 19:10:01 +00:00
|
|
|
c->sb.version = le16_to_cpu(src->version);
|
2021-03-21 20:03:23 +00:00
|
|
|
c->sb.version_min = le16_to_cpu(src->version_min);
|
2017-03-17 06:18:50 +00:00
|
|
|
c->sb.nr_devices = src->nr_devices;
|
|
|
|
c->sb.clean = BCH_SB_CLEAN(src);
|
|
|
|
c->sb.encryption_type = BCH_SB_ENCRYPTION_TYPE(src);
|
2021-04-29 02:51:42 +00:00
|
|
|
|
|
|
|
c->sb.nsec_per_time_unit = le32_to_cpu(src->time_precision);
|
|
|
|
c->sb.time_units_per_sec = NSEC_PER_SEC / c->sb.nsec_per_time_unit;
|
|
|
|
|
|
|
|
/* XXX this is wrong, we need a 96 or 128 bit integer type */
|
|
|
|
c->sb.time_base_lo = div_u64(le64_to_cpu(src->time_base_lo),
|
|
|
|
c->sb.nsec_per_time_unit);
|
2017-03-17 06:18:50 +00:00
|
|
|
c->sb.time_base_hi = le32_to_cpu(src->time_base_hi);
|
2021-04-29 02:51:42 +00:00
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
c->sb.features = le64_to_cpu(src->features[0]);
|
2019-02-06 16:56:51 +00:00
|
|
|
c->sb.compat = le64_to_cpu(src->compat[0]);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
for_each_member_device(ca, c, i)
|
|
|
|
ca->mi = bch2_mi_to_cpu(mi->members + i);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __copy_super(struct bch_sb_handle *dst_handle, struct bch_sb *src)
|
|
|
|
{
|
|
|
|
struct bch_sb_field *src_f, *dst_f;
|
|
|
|
struct bch_sb *dst = dst_handle->sb;
|
2018-10-30 18:32:47 +00:00
|
|
|
unsigned i;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
dst->version = src->version;
|
2018-11-01 19:10:01 +00:00
|
|
|
dst->version_min = src->version_min;
|
2017-03-17 06:18:50 +00:00
|
|
|
dst->seq = src->seq;
|
|
|
|
dst->uuid = src->uuid;
|
|
|
|
dst->user_uuid = src->user_uuid;
|
|
|
|
memcpy(dst->label, src->label, sizeof(dst->label));
|
|
|
|
|
|
|
|
dst->block_size = src->block_size;
|
|
|
|
dst->nr_devices = src->nr_devices;
|
|
|
|
|
|
|
|
dst->time_base_lo = src->time_base_lo;
|
|
|
|
dst->time_base_hi = src->time_base_hi;
|
|
|
|
dst->time_precision = src->time_precision;
|
|
|
|
|
|
|
|
memcpy(dst->flags, src->flags, sizeof(dst->flags));
|
|
|
|
memcpy(dst->features, src->features, sizeof(dst->features));
|
|
|
|
memcpy(dst->compat, src->compat, sizeof(dst->compat));
|
|
|
|
|
2018-10-30 18:32:47 +00:00
|
|
|
for (i = 0; i < BCH_SB_FIELD_NR; i++) {
|
2022-03-10 21:43:52 +00:00
|
|
|
if ((1U << i) & BCH_SINGLE_DEVICE_SB_FIELDS)
|
2017-03-17 06:18:50 +00:00
|
|
|
continue;
|
|
|
|
|
2018-10-30 18:32:47 +00:00
|
|
|
src_f = bch2_sb_field_get(src, i);
|
|
|
|
dst_f = bch2_sb_field_get(dst, i);
|
2017-03-17 06:18:50 +00:00
|
|
|
dst_f = __bch2_sb_field_resize(dst_handle, dst_f,
|
2018-10-30 18:32:47 +00:00
|
|
|
src_f ? le32_to_cpu(src_f->u64s) : 0);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2018-10-30 18:32:47 +00:00
|
|
|
if (src_f)
|
|
|
|
memcpy(dst_f, src_f, vstruct_bytes(src_f));
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
int bch2_sb_to_fs(struct bch_fs *c, struct bch_sb *src)
|
|
|
|
{
|
|
|
|
struct bch_sb_field_journal *journal_buckets =
|
|
|
|
bch2_sb_get_journal(src);
|
|
|
|
unsigned journal_u64s = journal_buckets
|
|
|
|
? le32_to_cpu(journal_buckets->field.u64s)
|
|
|
|
: 0;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
lockdep_assert_held(&c->sb_lock);
|
|
|
|
|
|
|
|
ret = bch2_sb_realloc(&c->disk_sb,
|
|
|
|
le32_to_cpu(src->u64s) - journal_u64s);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
__copy_super(&c->disk_sb, src);
|
|
|
|
|
|
|
|
ret = bch2_sb_replicas_to_cpu_replicas(c);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
ret = bch2_sb_disk_groups_to_cpu(c);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
bch2_sb_update(c);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int bch2_sb_from_fs(struct bch_fs *c, struct bch_dev *ca)
|
|
|
|
{
|
|
|
|
struct bch_sb *src = c->disk_sb.sb, *dst = ca->disk_sb.sb;
|
|
|
|
struct bch_sb_field_journal *journal_buckets =
|
|
|
|
bch2_sb_get_journal(dst);
|
|
|
|
unsigned journal_u64s = journal_buckets
|
|
|
|
? le32_to_cpu(journal_buckets->field.u64s)
|
|
|
|
: 0;
|
|
|
|
unsigned u64s = le32_to_cpu(src->u64s) + journal_u64s;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = bch2_sb_realloc(&ca->disk_sb, u64s);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
__copy_super(&ca->disk_sb, src);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* read superblock: */
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
static int read_one_super(struct bch_sb_handle *sb, u64 offset, struct printbuf *err)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
|
|
|
struct bch_csum csum;
|
2022-01-04 04:38:50 +00:00
|
|
|
u32 version, version_min;
|
2017-03-17 06:18:50 +00:00
|
|
|
size_t bytes;
|
2022-01-04 04:38:50 +00:00
|
|
|
int ret;
|
2017-03-17 06:18:50 +00:00
|
|
|
reread:
|
|
|
|
bio_reset(sb->bio, sb->bdev, REQ_OP_READ|REQ_SYNC|REQ_META);
|
|
|
|
sb->bio->bi_iter.bi_sector = offset;
|
2021-04-06 18:00:56 +00:00
|
|
|
bch2_bio_map(sb->bio, sb->sb, sb->buffer_size);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
ret = submit_bio_wait(sb->bio);
|
|
|
|
if (ret) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "IO error: %i", ret);
|
2022-01-04 04:38:50 +00:00
|
|
|
return ret;
|
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (!uuid_equal(&sb->sb->magic, &BCACHE_MAGIC) &&
|
2022-01-04 04:38:50 +00:00
|
|
|
!uuid_equal(&sb->sb->magic, &BCHFS_MAGIC)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "Not a bcachefs superblock");
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_magic;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
version = le16_to_cpu(sb->sb->version);
|
2022-03-21 03:34:11 +00:00
|
|
|
version_min = version >= bcachefs_metadata_version_bkey_renumber
|
2022-01-04 04:38:50 +00:00
|
|
|
? le16_to_cpu(sb->sb->version_min)
|
|
|
|
: version;
|
|
|
|
|
|
|
|
if (version >= bcachefs_metadata_version_max) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "Unsupported superblock version %u (min %u, max %u)",
|
2022-01-04 04:38:50 +00:00
|
|
|
version, bcachefs_metadata_version_min, bcachefs_metadata_version_max);
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_version;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (version_min < bcachefs_metadata_version_min) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "Unsupported superblock version %u (min %u, max %u)",
|
2022-01-04 04:38:50 +00:00
|
|
|
version_min, bcachefs_metadata_version_min, bcachefs_metadata_version_max);
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_version;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
bytes = vstruct_bytes(sb->sb);
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (bytes > 512 << sb->sb->layout.sb_max_size_bits) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "Invalid superblock: too big (got %zu bytes, layout max %lu)",
|
2022-01-04 04:38:50 +00:00
|
|
|
bytes, 512UL << sb->sb->layout.sb_max_size_bits);
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_too_big;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2021-04-06 18:00:56 +00:00
|
|
|
if (bytes > sb->buffer_size) {
|
2017-03-17 06:18:50 +00:00
|
|
|
if (bch2_sb_realloc(sb, le32_to_cpu(sb->sb->u64s)))
|
2022-01-04 04:38:50 +00:00
|
|
|
return -ENOMEM;
|
2017-03-17 06:18:50 +00:00
|
|
|
goto reread;
|
|
|
|
}
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (BCH_SB_CSUM_TYPE(sb->sb) >= BCH_CSUM_NR) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "unknown checksum type %llu", BCH_SB_CSUM_TYPE(sb->sb));
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_csum_type;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
/* XXX: verify MACs */
|
|
|
|
csum = csum_vstruct(NULL, BCH_SB_CSUM_TYPE(sb->sb),
|
|
|
|
null_nonce(), sb->sb);
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (bch2_crc_cmp(csum, sb->sb->csum)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "bad checksum");
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_csum;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2019-03-22 03:13:46 +00:00
|
|
|
sb->seq = le64_to_cpu(sb->sb->seq);
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
return 0;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int bch2_read_super(const char *path, struct bch_opts *opts,
|
|
|
|
struct bch_sb_handle *sb)
|
|
|
|
{
|
|
|
|
u64 offset = opt_get(*opts, sb);
|
|
|
|
struct bch_sb_layout layout;
|
2022-02-25 18:18:19 +00:00
|
|
|
struct printbuf err = PRINTBUF;
|
2017-03-17 06:18:50 +00:00
|
|
|
__le64 *i;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
pr_verbose_init(*opts, "");
|
|
|
|
|
|
|
|
memset(sb, 0, sizeof(*sb));
|
|
|
|
sb->mode = BLK_OPEN_READ;
|
|
|
|
sb->have_bio = true;
|
|
|
|
sb->holder = kmalloc(1, GFP_KERNEL);
|
|
|
|
if (!sb->holder)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
if (!opt_get(*opts, noexcl))
|
|
|
|
sb->mode |= BLK_OPEN_EXCL;
|
|
|
|
|
|
|
|
if (!opt_get(*opts, nochanges))
|
|
|
|
sb->mode |= BLK_OPEN_WRITE;
|
|
|
|
|
|
|
|
sb->bdev = blkdev_get_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
|
|
|
|
if (IS_ERR(sb->bdev) &&
|
|
|
|
PTR_ERR(sb->bdev) == -EACCES &&
|
|
|
|
opt_get(*opts, read_only)) {
|
|
|
|
sb->mode &= ~BLK_OPEN_WRITE;
|
|
|
|
|
|
|
|
sb->bdev = blkdev_get_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
|
|
|
|
if (!IS_ERR(sb->bdev))
|
|
|
|
opt_set(*opts, nochanges, true);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (IS_ERR(sb->bdev)) {
|
|
|
|
ret = PTR_ERR(sb->bdev);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = bch2_sb_realloc(sb, 0);
|
2022-01-04 04:38:50 +00:00
|
|
|
if (ret) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(&err, "error allocating memory for superblock");
|
2017-03-17 06:18:50 +00:00
|
|
|
goto err;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (bch2_fs_init_fault("read_super")) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(&err, "dynamic fault");
|
2022-01-04 04:38:50 +00:00
|
|
|
ret = -EFAULT;
|
2017-03-17 06:18:50 +00:00
|
|
|
goto err;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
ret = read_one_super(sb, offset, &err);
|
|
|
|
if (!ret)
|
2017-03-17 06:18:50 +00:00
|
|
|
goto got_super;
|
|
|
|
|
|
|
|
if (opt_defined(*opts, sb))
|
|
|
|
goto err;
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
printk(KERN_ERR "bcachefs (%s): error reading default superblock: %s",
|
2022-02-25 18:18:19 +00:00
|
|
|
path, err.buf);
|
|
|
|
printbuf_reset(&err);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Error reading primary superblock - read location of backup
|
|
|
|
* superblocks:
|
|
|
|
*/
|
|
|
|
bio_reset(sb->bio, sb->bdev, REQ_OP_READ|REQ_SYNC|REQ_META);
|
|
|
|
sb->bio->bi_iter.bi_sector = BCH_SB_LAYOUT_SECTOR;
|
|
|
|
/*
|
|
|
|
* use sb buffer to read layout, since sb buffer is page aligned but
|
|
|
|
* layout won't be:
|
|
|
|
*/
|
2019-07-03 23:27:42 +00:00
|
|
|
bch2_bio_map(sb->bio, sb->sb, sizeof(struct bch_sb_layout));
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
ret = submit_bio_wait(sb->bio);
|
|
|
|
if (ret) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(&err, "IO error: %i", ret);
|
2017-03-17 06:18:50 +00:00
|
|
|
goto err;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
memcpy(&layout, sb->sb, sizeof(layout));
|
2022-01-04 04:38:50 +00:00
|
|
|
ret = validate_sb_layout(&layout, &err);
|
|
|
|
if (ret)
|
2017-03-17 06:18:50 +00:00
|
|
|
goto err;
|
|
|
|
|
|
|
|
for (i = layout.sb_offset;
|
|
|
|
i < layout.sb_offset + layout.nr_superblocks; i++) {
|
|
|
|
offset = le64_to_cpu(*i);
|
|
|
|
|
|
|
|
if (offset == opt_get(*opts, sb))
|
|
|
|
continue;
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
ret = read_one_super(sb, offset, &err);
|
|
|
|
if (!ret)
|
2017-03-17 06:18:50 +00:00
|
|
|
goto got_super;
|
|
|
|
}
|
|
|
|
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
got_super:
|
|
|
|
if (le16_to_cpu(sb->sb->block_size) << 9 <
|
2021-12-14 19:24:41 +00:00
|
|
|
bdev_logical_block_size(sb->bdev)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(&err, "block size (%u) smaller than device block size (%u)",
|
2021-12-14 19:24:41 +00:00
|
|
|
le16_to_cpu(sb->sb->block_size) << 9,
|
|
|
|
bdev_logical_block_size(sb->bdev));
|
2022-11-20 03:39:08 +00:00
|
|
|
ret = -BCH_ERR_block_size_too_small;
|
2022-01-04 04:38:50 +00:00
|
|
|
goto err;
|
2021-12-14 19:24:41 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
ret = 0;
|
|
|
|
sb->have_layout = true;
|
2022-01-04 04:38:50 +00:00
|
|
|
|
2022-03-21 07:03:03 +00:00
|
|
|
ret = bch2_sb_validate(sb, &err, READ);
|
2022-01-04 04:38:50 +00:00
|
|
|
if (ret) {
|
|
|
|
printk(KERN_ERR "bcachefs (%s): error validating superblock: %s",
|
2022-02-25 18:18:19 +00:00
|
|
|
path, err.buf);
|
2022-01-04 04:38:50 +00:00
|
|
|
goto err_no_print;
|
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
out:
|
|
|
|
pr_verbose_init(*opts, "ret %i", ret);
|
2022-02-25 18:18:19 +00:00
|
|
|
printbuf_exit(&err);
|
2017-03-17 06:18:50 +00:00
|
|
|
return ret;
|
|
|
|
err:
|
2022-01-04 04:38:50 +00:00
|
|
|
printk(KERN_ERR "bcachefs (%s): error reading superblock: %s",
|
2022-02-25 18:18:19 +00:00
|
|
|
path, err.buf);
|
2021-12-14 19:24:41 +00:00
|
|
|
err_no_print:
|
|
|
|
bch2_free_super(sb);
|
2017-03-17 06:18:50 +00:00
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* write superblock: */
|
|
|
|
|
|
|
|
static void write_super_endio(struct bio *bio)
|
|
|
|
{
|
|
|
|
struct bch_dev *ca = bio->bi_private;
|
|
|
|
|
|
|
|
/* XXX: return errors directly */
|
|
|
|
|
2020-12-03 18:57:22 +00:00
|
|
|
if (bch2_dev_io_err_on(bio->bi_status, ca, "superblock write error: %s",
|
2020-07-21 17:34:22 +00:00
|
|
|
bch2_blk_status_to_str(bio->bi_status)))
|
2017-03-17 06:18:50 +00:00
|
|
|
ca->sb_write_error = 1;
|
|
|
|
|
|
|
|
closure_put(&ca->fs->sb_write);
|
|
|
|
percpu_ref_put(&ca->io_ref);
|
|
|
|
}
|
|
|
|
|
2019-03-22 03:13:46 +00:00
|
|
|
static void read_back_super(struct bch_fs *c, struct bch_dev *ca)
|
|
|
|
{
|
|
|
|
struct bch_sb *sb = ca->disk_sb.sb;
|
|
|
|
struct bio *bio = ca->disk_sb.bio;
|
|
|
|
|
|
|
|
bio_reset(bio, ca->disk_sb.bdev, REQ_OP_READ|REQ_SYNC|REQ_META);
|
|
|
|
bio->bi_iter.bi_sector = le64_to_cpu(sb->layout.sb_offset[0]);
|
|
|
|
bio->bi_end_io = write_super_endio;
|
|
|
|
bio->bi_private = ca;
|
2019-07-03 23:27:42 +00:00
|
|
|
bch2_bio_map(bio, ca->sb_read_scratch, PAGE_SIZE);
|
2019-03-22 03:13:46 +00:00
|
|
|
|
2020-07-09 22:28:11 +00:00
|
|
|
this_cpu_add(ca->io_done->sectors[READ][BCH_DATA_sb],
|
2019-03-22 03:13:46 +00:00
|
|
|
bio_sectors(bio));
|
|
|
|
|
|
|
|
percpu_ref_get(&ca->io_ref);
|
|
|
|
closure_bio_submit(bio, &c->sb_write);
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
static void write_one_super(struct bch_fs *c, struct bch_dev *ca, unsigned idx)
|
|
|
|
{
|
|
|
|
struct bch_sb *sb = ca->disk_sb.sb;
|
|
|
|
struct bio *bio = ca->disk_sb.bio;
|
|
|
|
|
|
|
|
sb->offset = sb->layout.sb_offset[idx];
|
|
|
|
|
2021-06-13 20:01:08 +00:00
|
|
|
SET_BCH_SB_CSUM_TYPE(sb, bch2_csum_opt_to_type(c->opts.metadata_checksum, false));
|
2017-03-17 06:18:50 +00:00
|
|
|
sb->csum = csum_vstruct(c, BCH_SB_CSUM_TYPE(sb),
|
|
|
|
null_nonce(), sb);
|
|
|
|
|
|
|
|
bio_reset(bio, ca->disk_sb.bdev, REQ_OP_WRITE|REQ_SYNC|REQ_META);
|
|
|
|
bio->bi_iter.bi_sector = le64_to_cpu(sb->offset);
|
|
|
|
bio->bi_end_io = write_super_endio;
|
|
|
|
bio->bi_private = ca;
|
2019-07-03 23:27:42 +00:00
|
|
|
bch2_bio_map(bio, sb,
|
|
|
|
roundup((size_t) vstruct_bytes(sb),
|
|
|
|
bdev_logical_block_size(ca->disk_sb.bdev)));
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2020-07-09 22:28:11 +00:00
|
|
|
this_cpu_add(ca->io_done->sectors[WRITE][BCH_DATA_sb],
|
2017-03-17 06:18:50 +00:00
|
|
|
bio_sectors(bio));
|
|
|
|
|
|
|
|
percpu_ref_get(&ca->io_ref);
|
|
|
|
closure_bio_submit(bio, &c->sb_write);
|
|
|
|
}
|
|
|
|
|
2019-03-22 03:13:46 +00:00
|
|
|
int bch2_write_super(struct bch_fs *c)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
|
|
|
struct closure *cl = &c->sb_write;
|
|
|
|
struct bch_dev *ca;
|
2022-02-25 18:18:19 +00:00
|
|
|
struct printbuf err = PRINTBUF;
|
2017-03-17 06:18:50 +00:00
|
|
|
unsigned i, sb = 0, nr_wrote;
|
|
|
|
struct bch_devs_mask sb_written;
|
|
|
|
bool wrote, can_mount_without_written, can_mount_with_written;
|
2021-04-09 23:04:57 +00:00
|
|
|
unsigned degraded_flags = BCH_FORCE_IF_DEGRADED;
|
2019-03-22 03:13:46 +00:00
|
|
|
int ret = 0;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-08-27 16:48:36 +00:00
|
|
|
trace_and_count(c, write_super, c, _RET_IP_);
|
2022-04-03 19:13:20 +00:00
|
|
|
|
2021-04-09 23:04:57 +00:00
|
|
|
if (c->opts.very_degraded)
|
|
|
|
degraded_flags |= BCH_FORCE_IF_LOST;
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
lockdep_assert_held(&c->sb_lock);
|
|
|
|
|
|
|
|
closure_init_stack(cl);
|
|
|
|
memset(&sb_written, 0, sizeof(sb_written));
|
|
|
|
|
2022-12-03 00:46:49 +00:00
|
|
|
if (c->opts.version_upgrade) {
|
|
|
|
c->disk_sb.sb->magic = BCHFS_MAGIC;
|
|
|
|
c->disk_sb.sb->layout.magic = BCHFS_MAGIC;
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
le64_add_cpu(&c->disk_sb.sb->seq, 1);
|
|
|
|
|
2019-03-28 13:34:55 +00:00
|
|
|
if (test_bit(BCH_FS_ERROR, &c->flags))
|
|
|
|
SET_BCH_SB_HAS_ERRORS(c->disk_sb.sb, 1);
|
2021-04-24 20:32:35 +00:00
|
|
|
if (test_bit(BCH_FS_TOPOLOGY_ERROR, &c->flags))
|
|
|
|
SET_BCH_SB_HAS_TOPOLOGY_ERRORS(c->disk_sb.sb, 1);
|
2019-03-28 13:34:55 +00:00
|
|
|
|
2021-03-05 00:06:26 +00:00
|
|
|
SET_BCH_SB_BIG_ENDIAN(c->disk_sb.sb, CPU_BIG_ENDIAN);
|
|
|
|
|
2022-03-15 08:36:33 +00:00
|
|
|
bch2_sb_counters_from_cpu(c);
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
for_each_online_member(ca, c, i)
|
|
|
|
bch2_sb_from_fs(c, ca);
|
|
|
|
|
|
|
|
for_each_online_member(ca, c, i) {
|
2022-02-25 18:18:19 +00:00
|
|
|
printbuf_reset(&err);
|
2022-01-04 04:38:50 +00:00
|
|
|
|
2022-03-21 07:03:03 +00:00
|
|
|
ret = bch2_sb_validate(&ca->disk_sb, &err, WRITE);
|
2022-01-04 04:38:50 +00:00
|
|
|
if (ret) {
|
2022-02-25 18:18:19 +00:00
|
|
|
bch2_fs_inconsistent(c, "sb invalid before write: %s", err.buf);
|
2022-01-04 04:38:50 +00:00
|
|
|
percpu_ref_put(&ca->io_ref);
|
2017-03-17 06:18:50 +00:00
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-03-28 13:34:55 +00:00
|
|
|
if (c->opts.nochanges)
|
2017-03-17 06:18:50 +00:00
|
|
|
goto out;
|
|
|
|
|
2022-04-02 21:24:25 +00:00
|
|
|
/*
|
|
|
|
* Defer writing the superblock until filesystem initialization is
|
|
|
|
* complete - don't write out a partly initialized superblock:
|
|
|
|
*/
|
|
|
|
if (!BCH_SB_INITIALIZED(c->disk_sb.sb))
|
|
|
|
goto out;
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
for_each_online_member(ca, c, i) {
|
|
|
|
__set_bit(ca->dev_idx, sb_written.d);
|
|
|
|
ca->sb_write_error = 0;
|
|
|
|
}
|
|
|
|
|
2019-03-22 03:13:46 +00:00
|
|
|
for_each_online_member(ca, c, i)
|
|
|
|
read_back_super(c, ca);
|
|
|
|
closure_sync(cl);
|
|
|
|
|
|
|
|
for_each_online_member(ca, c, i) {
|
2022-01-02 00:04:33 +00:00
|
|
|
if (ca->sb_write_error)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (le64_to_cpu(ca->sb_read_scratch->seq) < ca->disk_sb.seq) {
|
|
|
|
bch2_fs_fatal_error(c,
|
|
|
|
"Superblock write was silently dropped! (seq %llu expected %llu)",
|
|
|
|
le64_to_cpu(ca->sb_read_scratch->seq),
|
|
|
|
ca->disk_sb.seq);
|
|
|
|
percpu_ref_put(&ca->io_ref);
|
2022-12-12 01:37:11 +00:00
|
|
|
ret = -BCH_ERR_erofs_sb_err;
|
2022-01-02 00:04:33 +00:00
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (le64_to_cpu(ca->sb_read_scratch->seq) > ca->disk_sb.seq) {
|
2019-03-22 03:13:46 +00:00
|
|
|
bch2_fs_fatal_error(c,
|
2022-01-02 00:04:33 +00:00
|
|
|
"Superblock modified by another process (seq %llu expected %llu)",
|
|
|
|
le64_to_cpu(ca->sb_read_scratch->seq),
|
|
|
|
ca->disk_sb.seq);
|
2019-03-22 03:13:46 +00:00
|
|
|
percpu_ref_put(&ca->io_ref);
|
2022-12-12 01:37:11 +00:00
|
|
|
ret = -BCH_ERR_erofs_sb_err;
|
2019-03-22 03:13:46 +00:00
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
do {
|
|
|
|
wrote = false;
|
|
|
|
for_each_online_member(ca, c, i)
|
2019-03-22 03:13:46 +00:00
|
|
|
if (!ca->sb_write_error &&
|
|
|
|
sb < ca->disk_sb.sb->layout.nr_superblocks) {
|
2017-03-17 06:18:50 +00:00
|
|
|
write_one_super(c, ca, sb);
|
|
|
|
wrote = true;
|
|
|
|
}
|
|
|
|
closure_sync(cl);
|
|
|
|
sb++;
|
|
|
|
} while (wrote);
|
|
|
|
|
2019-03-22 03:13:46 +00:00
|
|
|
for_each_online_member(ca, c, i) {
|
2017-03-17 06:18:50 +00:00
|
|
|
if (ca->sb_write_error)
|
|
|
|
__clear_bit(ca->dev_idx, sb_written.d);
|
2019-03-22 03:13:46 +00:00
|
|
|
else
|
|
|
|
ca->disk_sb.seq = le64_to_cpu(ca->disk_sb.sb->seq);
|
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
nr_wrote = dev_mask_nr(&sb_written);
|
|
|
|
|
|
|
|
can_mount_with_written =
|
2021-04-09 23:04:57 +00:00
|
|
|
bch2_have_enough_devs(c, sb_written, degraded_flags, false);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(sb_written.d); i++)
|
|
|
|
sb_written.d[i] = ~sb_written.d[i];
|
|
|
|
|
|
|
|
can_mount_without_written =
|
2021-04-09 23:04:57 +00:00
|
|
|
bch2_have_enough_devs(c, sb_written, degraded_flags, false);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* If we would be able to mount _without_ the devices we successfully
|
|
|
|
* wrote superblocks to, we weren't able to write to enough devices:
|
|
|
|
*
|
|
|
|
* Exception: if we can mount without the successes because we haven't
|
|
|
|
* written anything (new filesystem), we continue if we'd be able to
|
|
|
|
* mount with the devices we did successfully write to:
|
|
|
|
*/
|
2019-03-22 03:13:46 +00:00
|
|
|
if (bch2_fs_fatal_err_on(!nr_wrote ||
|
2021-02-07 04:17:26 +00:00
|
|
|
!can_mount_with_written ||
|
2019-03-22 03:13:46 +00:00
|
|
|
(can_mount_without_written &&
|
|
|
|
!can_mount_with_written), c,
|
2021-11-03 21:23:49 +00:00
|
|
|
"Unable to write superblock to sufficient devices (from %ps)",
|
|
|
|
(void *) _RET_IP_))
|
2019-03-22 03:13:46 +00:00
|
|
|
ret = -1;
|
2017-03-17 06:18:50 +00:00
|
|
|
out:
|
|
|
|
/* Make new options visible after they're persistent: */
|
|
|
|
bch2_sb_update(c);
|
2022-02-25 18:18:19 +00:00
|
|
|
printbuf_exit(&err);
|
2019-03-22 03:13:46 +00:00
|
|
|
return ret;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
2019-11-29 18:47:42 +00:00
|
|
|
void __bch2_check_set_feature(struct bch_fs *c, unsigned feat)
|
|
|
|
{
|
|
|
|
mutex_lock(&c->sb_lock);
|
|
|
|
if (!(c->sb.features & (1ULL << feat))) {
|
|
|
|
c->disk_sb.sb->features[0] |= cpu_to_le64(1ULL << feat);
|
|
|
|
|
|
|
|
bch2_write_super(c);
|
|
|
|
}
|
|
|
|
mutex_unlock(&c->sb_lock);
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
/* BCH_SB_FIELD_members: */
|
|
|
|
|
2022-02-20 10:00:45 +00:00
|
|
|
static int bch2_sb_members_validate(struct bch_sb *sb,
|
2022-01-04 04:38:50 +00:00
|
|
|
struct bch_sb_field *f,
|
|
|
|
struct printbuf *err)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
|
|
|
struct bch_sb_field_members *mi = field_to_type(f, members);
|
2022-01-04 04:38:50 +00:00
|
|
|
unsigned i;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if ((void *) (mi->members + sb->nr_devices) >
|
2022-01-04 04:38:50 +00:00
|
|
|
vstruct_end(&mi->field)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "too many devices for section size");
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_members;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < sb->nr_devices; i++) {
|
|
|
|
struct bch_member *m = mi->members + i;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (!bch2_member_exists(m))
|
|
|
|
continue;
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (le64_to_cpu(m->nbuckets) > LONG_MAX) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "device %u: too many buckets (got %llu, max %lu)",
|
2022-01-04 04:38:50 +00:00
|
|
|
i, le64_to_cpu(m->nbuckets), LONG_MAX);
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_members;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (le64_to_cpu(m->nbuckets) -
|
2022-01-04 04:38:50 +00:00
|
|
|
le16_to_cpu(m->first_bucket) < BCH_MIN_NR_NBUCKETS) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "device %u: not enough buckets (got %llu, max %u)",
|
2022-01-04 04:38:50 +00:00
|
|
|
i, le64_to_cpu(m->nbuckets), BCH_MIN_NR_NBUCKETS);
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_members;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (le16_to_cpu(m->bucket_size) <
|
2022-01-04 04:38:50 +00:00
|
|
|
le16_to_cpu(sb->block_size)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "device %u: bucket size %u smaller than block size %u",
|
2022-01-04 04:38:50 +00:00
|
|
|
i, le16_to_cpu(m->bucket_size), le16_to_cpu(sb->block_size));
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_members;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (le16_to_cpu(m->bucket_size) <
|
2022-01-04 04:38:50 +00:00
|
|
|
BCH_SB_BTREE_NODE_SIZE(sb)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "device %u: bucket size %u smaller than btree node size %llu",
|
2022-01-04 04:38:50 +00:00
|
|
|
i, le16_to_cpu(m->bucket_size), BCH_SB_BTREE_NODE_SIZE(sb));
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_members;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
return 0;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
2022-02-20 10:00:45 +00:00
|
|
|
static void bch2_sb_members_to_text(struct printbuf *out, struct bch_sb *sb,
|
|
|
|
struct bch_sb_field *f)
|
|
|
|
{
|
|
|
|
struct bch_sb_field_members *mi = field_to_type(f, members);
|
|
|
|
struct bch_sb_field_disk_groups *gi = bch2_sb_get_disk_groups(sb);
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
for (i = 0; i < sb->nr_devices; i++) {
|
|
|
|
struct bch_member *m = mi->members + i;
|
|
|
|
unsigned data_have = bch2_sb_dev_has_data(sb, i);
|
|
|
|
u64 bucket_size = le16_to_cpu(m->bucket_size);
|
|
|
|
u64 device_size = le64_to_cpu(m->nbuckets) * bucket_size;
|
|
|
|
|
|
|
|
if (!bch2_member_exists(m))
|
|
|
|
continue;
|
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Device:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%u", i);
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
printbuf_indent_add(out, 2);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "UUID:");
|
|
|
|
prt_tab(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
pr_uuid(out, m->uuid.b);
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Size:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_units_u64(out, device_size << 9);
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Bucket size:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_units_u64(out, bucket_size << 9);
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "First bucket:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%u", le16_to_cpu(m->first_bucket));
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Buckets:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%llu", le64_to_cpu(m->nbuckets));
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Last mount:");
|
|
|
|
prt_tab(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
if (m->last_mount)
|
|
|
|
pr_time(out, le64_to_cpu(m->last_mount));
|
|
|
|
else
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "(never)");
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "State:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%s",
|
2022-02-20 10:00:45 +00:00
|
|
|
BCH_MEMBER_STATE(m) < BCH_MEMBER_STATE_NR
|
|
|
|
? bch2_member_states[BCH_MEMBER_STATE(m)]
|
|
|
|
: "unknown");
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Label:");
|
|
|
|
prt_tab(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
if (BCH_MEMBER_GROUP(m)) {
|
|
|
|
unsigned idx = BCH_MEMBER_GROUP(m) - 1;
|
|
|
|
|
|
|
|
if (idx < disk_groups_nr(gi))
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "%s (%u)",
|
2022-02-20 10:00:45 +00:00
|
|
|
gi->entries[idx].label, idx);
|
|
|
|
else
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "(bad disk labels section)");
|
2022-02-20 10:00:45 +00:00
|
|
|
} else {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "(none)");
|
2022-02-20 10:00:45 +00:00
|
|
|
}
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Data allowed:");
|
|
|
|
prt_tab(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
if (BCH_MEMBER_DATA_ALLOWED(m))
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_bitflags(out, bch2_data_types, BCH_MEMBER_DATA_ALLOWED(m));
|
2022-02-20 10:00:45 +00:00
|
|
|
else
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "(none)");
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Has data:");
|
|
|
|
prt_tab(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
if (data_have)
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_bitflags(out, bch2_data_types, data_have);
|
2022-02-20 10:00:45 +00:00
|
|
|
else
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "(none)");
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Discard:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%llu", BCH_MEMBER_DISCARD(m));
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Freespace initialized:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%llu", BCH_MEMBER_FREESPACE_INITIALIZED(m));
|
|
|
|
prt_newline(out);
|
2021-12-11 22:13:09 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
printbuf_indent_sub(out, 2);
|
2022-02-20 10:00:45 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
static const struct bch_sb_field_ops bch_sb_field_ops_members = {
|
2022-02-20 10:00:45 +00:00
|
|
|
.validate = bch2_sb_members_validate,
|
|
|
|
.to_text = bch2_sb_members_to_text,
|
2017-03-17 06:18:50 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* BCH_SB_FIELD_crypt: */
|
|
|
|
|
2022-02-20 10:00:45 +00:00
|
|
|
static int bch2_sb_crypt_validate(struct bch_sb *sb,
|
2022-01-04 04:38:50 +00:00
|
|
|
struct bch_sb_field *f,
|
|
|
|
struct printbuf *err)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
|
|
|
struct bch_sb_field_crypt *crypt = field_to_type(f, crypt);
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (vstruct_bytes(&crypt->field) < sizeof(*crypt)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "wrong size (got %zu should be %zu)",
|
2022-01-04 04:38:50 +00:00
|
|
|
vstruct_bytes(&crypt->field), sizeof(*crypt));
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_crypt;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (BCH_CRYPT_KDF_TYPE(crypt)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "bad kdf type %llu", BCH_CRYPT_KDF_TYPE(crypt));
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_crypt;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
return 0;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
2022-02-20 10:00:45 +00:00
|
|
|
static void bch2_sb_crypt_to_text(struct printbuf *out, struct bch_sb *sb,
|
|
|
|
struct bch_sb_field *f)
|
|
|
|
{
|
|
|
|
struct bch_sb_field_crypt *crypt = field_to_type(f, crypt);
|
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "KFD: %llu", BCH_CRYPT_KDF_TYPE(crypt));
|
|
|
|
prt_newline(out);
|
|
|
|
prt_printf(out, "scrypt n: %llu", BCH_KDF_SCRYPT_N(crypt));
|
|
|
|
prt_newline(out);
|
|
|
|
prt_printf(out, "scrypt r: %llu", BCH_KDF_SCRYPT_R(crypt));
|
|
|
|
prt_newline(out);
|
|
|
|
prt_printf(out, "scrypt p: %llu", BCH_KDF_SCRYPT_P(crypt));
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
static const struct bch_sb_field_ops bch_sb_field_ops_crypt = {
|
2022-02-20 10:00:45 +00:00
|
|
|
.validate = bch2_sb_crypt_validate,
|
|
|
|
.to_text = bch2_sb_crypt_to_text,
|
2017-03-17 06:18:50 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* BCH_SB_FIELD_clean: */
|
|
|
|
|
2022-02-20 10:00:45 +00:00
|
|
|
int bch2_sb_clean_validate_late(struct bch_fs *c, struct bch_sb_field_clean *clean, int write)
|
2018-11-01 19:10:01 +00:00
|
|
|
{
|
|
|
|
struct jset_entry *entry;
|
2021-03-05 00:06:26 +00:00
|
|
|
int ret;
|
2018-11-01 19:10:01 +00:00
|
|
|
|
|
|
|
for (entry = clean->start;
|
|
|
|
entry < (struct jset_entry *) vstruct_end(&clean->field);
|
2021-03-05 00:06:26 +00:00
|
|
|
entry = vstruct_next(entry)) {
|
2022-09-26 20:23:19 +00:00
|
|
|
ret = bch2_journal_entry_validate(c, NULL, entry,
|
2021-03-05 00:06:26 +00:00
|
|
|
le16_to_cpu(c->disk_sb.sb->version),
|
|
|
|
BCH_SB_BIG_ENDIAN(c->disk_sb.sb),
|
|
|
|
write);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
2018-11-01 19:10:01 +00:00
|
|
|
}
|
|
|
|
|
2019-03-22 02:19:57 +00:00
|
|
|
int bch2_fs_mark_dirty(struct bch_fs *c)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
2019-03-22 03:13:46 +00:00
|
|
|
int ret;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Unconditionally write superblock, to verify it hasn't changed before
|
|
|
|
* we go rw:
|
|
|
|
*/
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
mutex_lock(&c->sb_lock);
|
2019-03-22 03:13:46 +00:00
|
|
|
SET_BCH_SB_CLEAN(c->disk_sb.sb, false);
|
2021-05-23 21:04:13 +00:00
|
|
|
c->disk_sb.sb->features[0] |= cpu_to_le64(BCH_SB_FEATURES_ALWAYS);
|
2021-07-11 17:54:07 +00:00
|
|
|
c->disk_sb.sb->compat[0] &= cpu_to_le64((1ULL << BCH_COMPAT_NR) - 1);
|
2019-03-22 03:13:46 +00:00
|
|
|
ret = bch2_write_super(c);
|
2019-01-24 22:54:51 +00:00
|
|
|
mutex_unlock(&c->sb_lock);
|
2019-03-22 02:19:57 +00:00
|
|
|
|
2019-03-22 03:13:46 +00:00
|
|
|
return ret;
|
2019-01-24 22:54:51 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2021-01-21 20:28:59 +00:00
|
|
|
static struct jset_entry *jset_entry_init(struct jset_entry **end, size_t size)
|
2019-10-12 00:05:11 +00:00
|
|
|
{
|
2021-01-21 20:28:59 +00:00
|
|
|
struct jset_entry *entry = *end;
|
|
|
|
unsigned u64s = DIV_ROUND_UP(size, sizeof(u64));
|
2019-10-12 00:05:11 +00:00
|
|
|
|
2021-01-21 20:28:59 +00:00
|
|
|
memset(entry, 0, u64s * sizeof(u64));
|
2019-10-12 00:05:11 +00:00
|
|
|
/*
|
|
|
|
* The u64s field counts from the start of data, ignoring the shared
|
|
|
|
* fields.
|
|
|
|
*/
|
2021-05-23 21:04:13 +00:00
|
|
|
entry->u64s = cpu_to_le16(u64s - 1);
|
2019-10-12 00:05:11 +00:00
|
|
|
|
2021-01-21 20:28:59 +00:00
|
|
|
*end = vstruct_next(*end);
|
|
|
|
return entry;
|
2019-10-12 00:05:11 +00:00
|
|
|
}
|
|
|
|
|
2021-01-21 20:28:59 +00:00
|
|
|
void bch2_journal_super_entries_add_common(struct bch_fs *c,
|
|
|
|
struct jset_entry **end,
|
|
|
|
u64 journal_seq)
|
2019-01-24 22:54:51 +00:00
|
|
|
{
|
2021-01-22 02:52:06 +00:00
|
|
|
struct bch_dev *ca;
|
|
|
|
unsigned i, dev;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2019-02-11 00:34:47 +00:00
|
|
|
percpu_down_read(&c->mark_lock);
|
2019-01-24 22:54:51 +00:00
|
|
|
|
2019-02-11 00:34:47 +00:00
|
|
|
if (!journal_seq) {
|
|
|
|
for (i = 0; i < ARRAY_SIZE(c->usage); i++)
|
|
|
|
bch2_fs_usage_acc_to_base(c, i);
|
|
|
|
} else {
|
2020-11-13 23:36:33 +00:00
|
|
|
bch2_fs_usage_acc_to_base(c, journal_seq & JOURNAL_BUF_MASK);
|
2019-02-11 00:34:47 +00:00
|
|
|
}
|
2019-01-24 22:54:51 +00:00
|
|
|
|
|
|
|
{
|
2019-02-10 00:20:57 +00:00
|
|
|
struct jset_entry_usage *u =
|
2021-01-21 20:28:59 +00:00
|
|
|
container_of(jset_entry_init(end, sizeof(*u)),
|
|
|
|
struct jset_entry_usage, entry);
|
2019-01-24 22:54:51 +00:00
|
|
|
|
|
|
|
u->entry.type = BCH_JSET_ENTRY_usage;
|
2021-12-31 22:06:29 +00:00
|
|
|
u->entry.btree_id = BCH_FS_USAGE_inodes;
|
2019-02-11 00:34:47 +00:00
|
|
|
u->v = cpu_to_le64(c->usage_base->nr_inodes);
|
2019-01-24 22:54:51 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
{
|
2019-02-10 00:20:57 +00:00
|
|
|
struct jset_entry_usage *u =
|
2021-01-21 20:28:59 +00:00
|
|
|
container_of(jset_entry_init(end, sizeof(*u)),
|
|
|
|
struct jset_entry_usage, entry);
|
2019-02-10 00:20:57 +00:00
|
|
|
|
2019-01-24 22:54:51 +00:00
|
|
|
u->entry.type = BCH_JSET_ENTRY_usage;
|
2021-12-31 22:06:29 +00:00
|
|
|
u->entry.btree_id = BCH_FS_USAGE_key_version;
|
2019-02-10 00:20:57 +00:00
|
|
|
u->v = cpu_to_le64(atomic64_read(&c->key_version));
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < BCH_REPLICAS_MAX; i++) {
|
|
|
|
struct jset_entry_usage *u =
|
2021-01-21 20:28:59 +00:00
|
|
|
container_of(jset_entry_init(end, sizeof(*u)),
|
|
|
|
struct jset_entry_usage, entry);
|
2019-02-10 00:20:57 +00:00
|
|
|
|
|
|
|
u->entry.type = BCH_JSET_ENTRY_usage;
|
2021-12-31 22:06:29 +00:00
|
|
|
u->entry.btree_id = BCH_FS_USAGE_reserved;
|
2019-02-10 00:20:57 +00:00
|
|
|
u->entry.level = i;
|
2019-02-11 00:34:47 +00:00
|
|
|
u->v = cpu_to_le64(c->usage_base->persistent_reserved[i]);
|
2019-01-24 22:54:51 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < c->replicas.nr; i++) {
|
|
|
|
struct bch_replicas_entry *e =
|
|
|
|
cpu_replicas_entry(&c->replicas, i);
|
2019-02-10 00:20:57 +00:00
|
|
|
struct jset_entry_data_usage *u =
|
2021-01-21 20:28:59 +00:00
|
|
|
container_of(jset_entry_init(end, sizeof(*u) + e->nr_devs),
|
|
|
|
struct jset_entry_data_usage, entry);
|
2019-01-24 22:54:51 +00:00
|
|
|
|
2019-02-10 00:20:57 +00:00
|
|
|
u->entry.type = BCH_JSET_ENTRY_data_usage;
|
2019-02-11 00:34:47 +00:00
|
|
|
u->v = cpu_to_le64(c->usage_base->replicas[i]);
|
2019-01-24 22:54:51 +00:00
|
|
|
unsafe_memcpy(&u->r, e, replicas_entry_bytes(e),
|
|
|
|
"embedded variable length struct");
|
|
|
|
}
|
|
|
|
|
2021-01-22 02:52:06 +00:00
|
|
|
for_each_member_device(ca, c, dev) {
|
|
|
|
unsigned b = sizeof(struct jset_entry_dev_usage) +
|
|
|
|
sizeof(struct jset_entry_dev_usage_type) * BCH_DATA_NR;
|
|
|
|
struct jset_entry_dev_usage *u =
|
|
|
|
container_of(jset_entry_init(end, b),
|
|
|
|
struct jset_entry_dev_usage, entry);
|
|
|
|
|
|
|
|
u->entry.type = BCH_JSET_ENTRY_dev_usage;
|
|
|
|
u->dev = cpu_to_le32(dev);
|
|
|
|
u->buckets_ec = cpu_to_le64(ca->usage_base->buckets_ec);
|
|
|
|
|
|
|
|
for (i = 0; i < BCH_DATA_NR; i++) {
|
|
|
|
u->d[i].buckets = cpu_to_le64(ca->usage_base->d[i].buckets);
|
|
|
|
u->d[i].sectors = cpu_to_le64(ca->usage_base->d[i].sectors);
|
|
|
|
u->d[i].fragmented = cpu_to_le64(ca->usage_base->d[i].fragmented);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-02-11 00:34:47 +00:00
|
|
|
percpu_up_read(&c->mark_lock);
|
2019-01-24 22:54:51 +00:00
|
|
|
|
2021-01-21 20:28:59 +00:00
|
|
|
for (i = 0; i < 2; i++) {
|
|
|
|
struct jset_entry_clock *clock =
|
|
|
|
container_of(jset_entry_init(end, sizeof(*clock)),
|
|
|
|
struct jset_entry_clock, entry);
|
|
|
|
|
|
|
|
clock->entry.type = BCH_JSET_ENTRY_clock;
|
|
|
|
clock->rw = i;
|
2021-05-23 21:04:13 +00:00
|
|
|
clock->time = cpu_to_le64(atomic64_read(&c->io_clock[i].now));
|
2021-01-21 20:28:59 +00:00
|
|
|
}
|
2019-01-24 22:54:51 +00:00
|
|
|
}
|
|
|
|
|
2019-03-22 02:19:57 +00:00
|
|
|
void bch2_fs_mark_clean(struct bch_fs *c)
|
2019-01-24 22:54:51 +00:00
|
|
|
{
|
|
|
|
struct bch_sb_field_clean *sb_clean;
|
|
|
|
struct jset_entry *entry;
|
|
|
|
unsigned u64s;
|
2021-03-05 00:06:26 +00:00
|
|
|
int ret;
|
2019-01-24 22:54:51 +00:00
|
|
|
|
|
|
|
mutex_lock(&c->sb_lock);
|
|
|
|
if (BCH_SB_CLEAN(c->disk_sb.sb))
|
|
|
|
goto out;
|
|
|
|
|
|
|
|
SET_BCH_SB_CLEAN(c->disk_sb.sb, true);
|
|
|
|
|
2021-05-23 21:04:13 +00:00
|
|
|
c->disk_sb.sb->compat[0] |= cpu_to_le64(1ULL << BCH_COMPAT_alloc_info);
|
|
|
|
c->disk_sb.sb->compat[0] |= cpu_to_le64(1ULL << BCH_COMPAT_alloc_metadata);
|
|
|
|
c->disk_sb.sb->features[0] &= cpu_to_le64(~(1ULL << BCH_FEATURE_extents_above_btree_updates));
|
|
|
|
c->disk_sb.sb->features[0] &= cpu_to_le64(~(1ULL << BCH_FEATURE_btree_updates_journalled));
|
2019-02-06 16:56:51 +00:00
|
|
|
|
2019-01-24 22:54:51 +00:00
|
|
|
u64s = sizeof(*sb_clean) / sizeof(u64) + c->journal.entry_u64s_reserved;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
sb_clean = bch2_sb_resize_clean(&c->disk_sb, u64s);
|
|
|
|
if (!sb_clean) {
|
|
|
|
bch_err(c, "error resizing superblock while setting filesystem clean");
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
sb_clean->flags = 0;
|
2022-02-28 21:35:42 +00:00
|
|
|
sb_clean->journal_seq = cpu_to_le64(atomic64_read(&c->journal.seq));
|
2019-03-08 00:45:57 +00:00
|
|
|
|
|
|
|
/* Trying to catch outstanding bug: */
|
|
|
|
BUG_ON(le64_to_cpu(sb_clean->journal_seq) > S64_MAX);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
entry = sb_clean->start;
|
2021-01-21 20:28:59 +00:00
|
|
|
bch2_journal_super_entries_add_common(c, &entry, 0);
|
2020-05-25 18:57:06 +00:00
|
|
|
entry = bch2_btree_roots_to_journal_entries(c, entry, entry);
|
2019-01-24 22:54:51 +00:00
|
|
|
BUG_ON((void *) entry > vstruct_end(&sb_clean->field));
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
memset(entry, 0,
|
|
|
|
vstruct_end(&sb_clean->field) - (void *) entry);
|
|
|
|
|
2021-03-05 00:06:26 +00:00
|
|
|
/*
|
|
|
|
* this should be in the write path, and we should be validating every
|
|
|
|
* superblock section:
|
|
|
|
*/
|
2022-02-20 10:00:45 +00:00
|
|
|
ret = bch2_sb_clean_validate_late(c, sb_clean, WRITE);
|
2021-03-05 00:06:26 +00:00
|
|
|
if (ret) {
|
|
|
|
bch_err(c, "error writing marking filesystem clean: validate error");
|
|
|
|
goto out;
|
|
|
|
}
|
2018-11-01 19:10:01 +00:00
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
bch2_write_super(c);
|
|
|
|
out:
|
|
|
|
mutex_unlock(&c->sb_lock);
|
|
|
|
}
|
|
|
|
|
2022-02-20 10:00:45 +00:00
|
|
|
static int bch2_sb_clean_validate(struct bch_sb *sb,
|
2022-01-04 04:38:50 +00:00
|
|
|
struct bch_sb_field *f,
|
|
|
|
struct printbuf *err)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
|
|
|
struct bch_sb_field_clean *clean = field_to_type(f, clean);
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (vstruct_bytes(&clean->field) < sizeof(*clean)) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "wrong size (got %zu should be %zu)",
|
2022-01-04 04:38:50 +00:00
|
|
|
vstruct_bytes(&clean->field), sizeof(*clean));
|
2022-11-20 03:39:08 +00:00
|
|
|
return -BCH_ERR_invalid_sb_clean;
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
return 0;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
2022-02-20 10:00:45 +00:00
|
|
|
static void bch2_sb_clean_to_text(struct printbuf *out, struct bch_sb *sb,
|
|
|
|
struct bch_sb_field *f)
|
|
|
|
{
|
|
|
|
struct bch_sb_field_clean *clean = field_to_type(f, clean);
|
|
|
|
struct jset_entry *entry;
|
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "flags: %x", le32_to_cpu(clean->flags));
|
|
|
|
prt_newline(out);
|
|
|
|
prt_printf(out, "journal_seq: %llu", le64_to_cpu(clean->journal_seq));
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
|
|
|
for (entry = clean->start;
|
|
|
|
entry != vstruct_end(&clean->field);
|
|
|
|
entry = vstruct_next(entry)) {
|
|
|
|
if (entry->type == BCH_JSET_ENTRY_btree_keys &&
|
|
|
|
!entry->u64s)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
bch2_journal_entry_to_text(out, NULL, entry);
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
static const struct bch_sb_field_ops bch_sb_field_ops_clean = {
|
2022-02-20 10:00:45 +00:00
|
|
|
.validate = bch2_sb_clean_validate,
|
|
|
|
.to_text = bch2_sb_clean_to_text,
|
2017-03-17 06:18:50 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const struct bch_sb_field_ops *bch2_sb_field_ops[] = {
|
|
|
|
#define x(f, nr) \
|
|
|
|
[BCH_SB_FIELD_##f] = &bch_sb_field_ops_##f,
|
|
|
|
BCH_SB_FIELDS()
|
|
|
|
#undef x
|
|
|
|
};
|
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
static int bch2_sb_field_validate(struct bch_sb *sb, struct bch_sb_field *f,
|
2022-02-27 16:57:42 +00:00
|
|
|
struct printbuf *err)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
|
|
|
unsigned type = le32_to_cpu(f->type);
|
2022-02-27 16:57:42 +00:00
|
|
|
struct printbuf field_err = PRINTBUF;
|
2022-01-04 04:38:50 +00:00
|
|
|
int ret;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-01-04 04:38:50 +00:00
|
|
|
if (type >= BCH_SB_FIELD_NR)
|
|
|
|
return 0;
|
|
|
|
|
2022-02-27 16:57:42 +00:00
|
|
|
ret = bch2_sb_field_ops[type]->validate(sb, f, &field_err);
|
2022-01-04 04:38:50 +00:00
|
|
|
if (ret) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(err, "Invalid superblock section %s: %s",
|
2022-02-27 16:57:42 +00:00
|
|
|
bch2_sb_fields[type],
|
|
|
|
field_err.buf);
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(err);
|
2022-02-27 16:57:42 +00:00
|
|
|
bch2_sb_field_to_text(err, sb, f);
|
2022-01-04 04:38:50 +00:00
|
|
|
}
|
|
|
|
|
2022-02-27 16:57:42 +00:00
|
|
|
printbuf_exit(&field_err);
|
2022-01-04 04:38:50 +00:00
|
|
|
return ret;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
2018-11-09 06:24:07 +00:00
|
|
|
void bch2_sb_field_to_text(struct printbuf *out, struct bch_sb *sb,
|
|
|
|
struct bch_sb_field *f)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
|
|
|
unsigned type = le32_to_cpu(f->type);
|
2018-11-09 06:24:07 +00:00
|
|
|
const struct bch_sb_field_ops *ops = type < BCH_SB_FIELD_NR
|
|
|
|
? bch2_sb_field_ops[type] : NULL;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
if (!out->nr_tabstops)
|
|
|
|
printbuf_tabstop_push(out, 32);
|
2022-03-05 17:01:16 +00:00
|
|
|
|
2018-11-09 06:24:07 +00:00
|
|
|
if (ops)
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "%s", bch2_sb_fields[type]);
|
2018-11-09 06:24:07 +00:00
|
|
|
else
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "(unknown field %u)", type);
|
2018-11-09 06:24:07 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, " (size %zu):", vstruct_bytes(f));
|
|
|
|
prt_newline(out);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2022-02-20 10:00:45 +00:00
|
|
|
if (ops && ops->to_text) {
|
2023-02-04 02:01:40 +00:00
|
|
|
printbuf_indent_add(out, 2);
|
2018-11-09 06:24:07 +00:00
|
|
|
bch2_sb_field_ops[type]->to_text(out, sb, f);
|
2023-02-04 02:01:40 +00:00
|
|
|
printbuf_indent_sub(out, 2);
|
2022-02-20 10:00:45 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void bch2_sb_layout_to_text(struct printbuf *out, struct bch_sb_layout *l)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Type: %u", l->layout_type);
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_str(out, "Superblock max size: ");
|
|
|
|
prt_units_u64(out, 512 << l->sb_max_size_bits);
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Nr superblocks: %u", l->nr_superblocks);
|
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_str(out, "Offsets: ");
|
2022-02-20 10:00:45 +00:00
|
|
|
for (i = 0; i < l->nr_superblocks; i++) {
|
|
|
|
if (i)
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_str(out, ", ");
|
|
|
|
prt_printf(out, "%llu", le64_to_cpu(l->sb_offset[i]));
|
2022-02-20 10:00:45 +00:00
|
|
|
}
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void bch2_sb_to_text(struct printbuf *out, struct bch_sb *sb,
|
|
|
|
bool print_layout, unsigned fields)
|
|
|
|
{
|
|
|
|
struct bch_sb_field_members *mi;
|
|
|
|
struct bch_sb_field *f;
|
|
|
|
u64 fields_have = 0;
|
|
|
|
unsigned nr_devices = 0;
|
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
if (!out->nr_tabstops)
|
2022-09-16 22:39:01 +00:00
|
|
|
printbuf_tabstop_push(out, 44);
|
2022-03-05 17:01:16 +00:00
|
|
|
|
2022-02-20 10:00:45 +00:00
|
|
|
mi = bch2_sb_get_members(sb);
|
|
|
|
if (mi) {
|
|
|
|
struct bch_member *m;
|
|
|
|
|
|
|
|
for (m = mi->members;
|
|
|
|
m < mi->members + sb->nr_devices;
|
|
|
|
m++)
|
|
|
|
nr_devices += bch2_member_exists(m);
|
|
|
|
}
|
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "External UUID:");
|
|
|
|
prt_tab(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
pr_uuid(out, sb->user_uuid.b);
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "Internal UUID:");
|
|
|
|
prt_tab(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
pr_uuid(out, sb->uuid.b);
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_str(out, "Device index:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%u", sb->dev_idx);
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_str(out, "Label:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%.*s", (int) sizeof(sb->label), sb->label);
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_str(out, "Version:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%s", bch2_metadata_versions[le16_to_cpu(sb->version)]);
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Oldest version on disk:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%s", bch2_metadata_versions[le16_to_cpu(sb->version_min)]);
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Created:");
|
|
|
|
prt_tab(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
if (sb->time_base_lo)
|
2022-02-23 16:46:34 +00:00
|
|
|
pr_time(out, div_u64(le64_to_cpu(sb->time_base_lo), NSEC_PER_SEC));
|
2022-02-20 10:00:45 +00:00
|
|
|
else
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "(not set)");
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Sequence number:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%llu", le64_to_cpu(sb->seq));
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Superblock size:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%zu", vstruct_bytes(sb));
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Clean:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%llu", BCH_SB_CLEAN(sb));
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Devices:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_printf(out, "%u", nr_devices);
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Sections:");
|
2022-03-05 17:01:16 +00:00
|
|
|
vstruct_for_each(sb, f)
|
|
|
|
fields_have |= 1 << le32_to_cpu(f->type);
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_tab(out);
|
|
|
|
prt_bitflags(out, bch2_sb_fields, fields_have);
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Features:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_bitflags(out, bch2_sb_features, le64_to_cpu(sb->features[0]));
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_printf(out, "Compat features:");
|
|
|
|
prt_tab(out);
|
|
|
|
prt_bitflags(out, bch2_sb_compat, le64_to_cpu(sb->compat[0]));
|
|
|
|
prt_newline(out);
|
|
|
|
|
|
|
|
prt_newline(out);
|
|
|
|
prt_printf(out, "Options:");
|
|
|
|
prt_newline(out);
|
|
|
|
printbuf_indent_add(out, 2);
|
2022-03-05 17:01:16 +00:00
|
|
|
{
|
|
|
|
enum bch_opt_id id;
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2022-03-05 17:01:16 +00:00
|
|
|
for (id = 0; id < bch2_opts_nr; id++) {
|
|
|
|
const struct bch_option *opt = bch2_opt_table + id;
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2022-03-05 17:01:16 +00:00
|
|
|
if (opt->get_sb != BCH2_NO_SB_OPT) {
|
|
|
|
u64 v = bch2_opt_from_sb(sb, id);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_printf(out, "%s:", opt->attr.name);
|
|
|
|
prt_tab(out);
|
2022-03-05 17:01:16 +00:00
|
|
|
bch2_opt_to_text(out, NULL, sb, opt, v,
|
|
|
|
OPT_HUMAN_READABLE|OPT_SHOW_FULL_LIST);
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
2022-03-05 17:01:16 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2022-02-20 10:00:45 +00:00
|
|
|
|
2023-02-04 02:01:40 +00:00
|
|
|
printbuf_indent_sub(out, 2);
|
2022-02-20 10:00:45 +00:00
|
|
|
|
|
|
|
if (print_layout) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
|
|
|
prt_printf(out, "layout:");
|
|
|
|
prt_newline(out);
|
|
|
|
printbuf_indent_add(out, 2);
|
2022-02-20 10:00:45 +00:00
|
|
|
bch2_sb_layout_to_text(out, &sb->layout);
|
2023-02-04 02:01:40 +00:00
|
|
|
printbuf_indent_sub(out, 2);
|
2022-02-20 10:00:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
vstruct_for_each(sb, f)
|
|
|
|
if (fields & (1 << le32_to_cpu(f->type))) {
|
2023-02-04 02:01:40 +00:00
|
|
|
prt_newline(out);
|
2022-02-20 10:00:45 +00:00
|
|
|
bch2_sb_field_to_text(out, sb, f);
|
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|