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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#include "btree_update.h"
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2022-07-18 23:42:58 +00:00
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#include "errcode.h"
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2017-03-17 06:18:50 +00:00
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#include "inode.h"
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#include "quota.h"
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2021-10-27 17:05:56 +00:00
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#include "subvolume.h"
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2017-03-17 06:18:50 +00:00
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#include "super-io.h"
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2022-02-20 10:00:45 +00:00
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static const char * const bch2_quota_types[] = {
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"user",
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"group",
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"project",
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};
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static const char * const bch2_quota_counters[] = {
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"space",
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"inodes",
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};
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static int bch2_sb_quota_validate(struct bch_sb *sb, struct bch_sb_field *f,
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2022-01-04 04:38:50 +00:00
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struct printbuf *err)
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2017-03-17 06:18:50 +00:00
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{
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struct bch_sb_field_quota *q = field_to_type(f, quota);
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2022-01-04 04:38:50 +00:00
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if (vstruct_bytes(&q->field) < sizeof(*q)) {
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2023-02-04 02:01:40 +00:00
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prt_printf(err, "wrong size (got %zu should be %zu)",
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2022-01-04 04:38:50 +00:00
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vstruct_bytes(&q->field), sizeof(*q));
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_sb_quota;
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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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return 0;
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2017-03-17 06:18:50 +00:00
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}
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2022-02-20 10:00:45 +00:00
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static void bch2_sb_quota_to_text(struct printbuf *out, struct bch_sb *sb,
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struct bch_sb_field *f)
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{
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struct bch_sb_field_quota *q = field_to_type(f, quota);
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unsigned qtyp, counter;
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for (qtyp = 0; qtyp < ARRAY_SIZE(q->q); qtyp++) {
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "%s: flags %llx",
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2022-02-20 10:00:45 +00:00
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bch2_quota_types[qtyp],
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le64_to_cpu(q->q[qtyp].flags));
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for (counter = 0; counter < Q_COUNTERS; counter++)
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2023-02-04 02:01:40 +00:00
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prt_printf(out, " %s timelimit %u warnlimit %u",
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2022-02-20 10:00:45 +00:00
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bch2_quota_counters[counter],
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le32_to_cpu(q->q[qtyp].c[counter].timelimit),
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le32_to_cpu(q->q[qtyp].c[counter].warnlimit));
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2023-02-04 02:01:40 +00:00
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prt_newline(out);
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2022-02-20 10:00:45 +00:00
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}
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}
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2017-03-17 06:18:50 +00:00
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const struct bch_sb_field_ops bch_sb_field_ops_quota = {
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2022-02-20 10:00:45 +00:00
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.validate = bch2_sb_quota_validate,
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.to_text = bch2_sb_quota_to_text,
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2017-03-17 06:18:50 +00:00
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};
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2022-04-03 21:50:01 +00:00
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int bch2_quota_invalid(const struct bch_fs *c, struct bkey_s_c k,
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2022-04-04 01:50:25 +00:00
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int rw, struct printbuf *err)
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2017-03-17 06:18:50 +00:00
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{
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2022-04-03 21:50:01 +00:00
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if (k.k->p.inode >= QTYP_NR) {
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2023-02-04 02:01:40 +00:00
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prt_printf(err, "invalid quota type (%llu >= %u)",
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2022-04-03 21:50:01 +00:00
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k.k->p.inode, QTYP_NR);
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_bkey;
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2022-04-03 21:50:01 +00:00
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}
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2017-03-17 06:18:50 +00:00
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2022-04-03 21:50:01 +00:00
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if (bkey_val_bytes(k.k) != sizeof(struct bch_quota)) {
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2023-02-04 02:01:40 +00:00
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prt_printf(err, "incorrect value size (%zu != %zu)",
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2022-04-03 21:50:01 +00:00
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bkey_val_bytes(k.k), sizeof(struct bch_quota));
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2022-11-20 03:39:08 +00:00
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return -BCH_ERR_invalid_bkey;
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2022-04-03 21:50:01 +00:00
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}
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2017-03-17 06:18:50 +00:00
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2022-04-03 21:50:01 +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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2018-11-09 06:24:07 +00:00
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void bch2_quota_to_text(struct printbuf *out, struct bch_fs *c,
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struct bkey_s_c k)
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2017-03-17 06:18:50 +00:00
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{
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2018-11-01 19:10:01 +00:00
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struct bkey_s_c_quota dq = bkey_s_c_to_quota(k);
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2017-03-17 06:18:50 +00:00
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unsigned i;
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2018-11-01 19:10:01 +00:00
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for (i = 0; i < Q_COUNTERS; i++)
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2023-02-04 02:01:40 +00:00
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prt_printf(out, "%s hardlimit %llu softlimit %llu",
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2018-11-01 19:10:01 +00:00
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bch2_quota_counters[i],
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le64_to_cpu(dq.v->c[i].hardlimit),
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le64_to_cpu(dq.v->c[i].softlimit));
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2017-03-17 06:18:50 +00:00
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}
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#ifdef CONFIG_BCACHEFS_QUOTA
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#include <linux/cred.h>
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#include <linux/fs.h>
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#include <linux/quota.h>
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2022-10-12 18:47:58 +00:00
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static void qc_info_to_text(struct printbuf *out, struct qc_info *i)
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{
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printbuf_tabstops_reset(out);
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printbuf_tabstop_push(out, 20);
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prt_str(out, "i_fieldmask");
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prt_tab(out);
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prt_printf(out, "%x", i->i_fieldmask);
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prt_newline(out);
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prt_str(out, "i_flags");
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prt_tab(out);
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prt_printf(out, "%u", i->i_flags);
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prt_newline(out);
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prt_str(out, "i_spc_timelimit");
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prt_tab(out);
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prt_printf(out, "%u", i->i_spc_timelimit);
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prt_newline(out);
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prt_str(out, "i_ino_timelimit");
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prt_tab(out);
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prt_printf(out, "%u", i->i_ino_timelimit);
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prt_newline(out);
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prt_str(out, "i_rt_spc_timelimit");
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prt_tab(out);
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prt_printf(out, "%u", i->i_rt_spc_timelimit);
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prt_newline(out);
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prt_str(out, "i_spc_warnlimit");
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prt_tab(out);
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prt_printf(out, "%u", i->i_spc_warnlimit);
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prt_newline(out);
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prt_str(out, "i_ino_warnlimit");
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prt_tab(out);
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prt_printf(out, "%u", i->i_ino_warnlimit);
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prt_newline(out);
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prt_str(out, "i_rt_spc_warnlimit");
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prt_tab(out);
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prt_printf(out, "%u", i->i_rt_spc_warnlimit);
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prt_newline(out);
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}
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static void qc_dqblk_to_text(struct printbuf *out, struct qc_dqblk *q)
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{
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printbuf_tabstops_reset(out);
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printbuf_tabstop_push(out, 20);
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prt_str(out, "d_fieldmask");
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prt_tab(out);
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prt_printf(out, "%x", q->d_fieldmask);
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prt_newline(out);
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prt_str(out, "d_spc_hardlimit");
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prt_tab(out);
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prt_printf(out, "%llu", q->d_spc_hardlimit);
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prt_newline(out);
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prt_str(out, "d_spc_softlimit");
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prt_tab(out);
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prt_printf(out, "%llu", q->d_spc_softlimit);
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prt_newline(out);
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prt_str(out, "d_ino_hardlimit");
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prt_tab(out);
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prt_printf(out, "%llu", q->d_ino_hardlimit);
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prt_newline(out);
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prt_str(out, "d_ino_softlimit");
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prt_tab(out);
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prt_printf(out, "%llu", q->d_ino_softlimit);
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prt_newline(out);
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prt_str(out, "d_space");
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prt_tab(out);
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prt_printf(out, "%llu", q->d_space);
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prt_newline(out);
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prt_str(out, "d_ino_count");
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prt_tab(out);
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prt_printf(out, "%llu", q->d_ino_count);
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prt_newline(out);
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prt_str(out, "d_ino_timer");
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prt_tab(out);
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prt_printf(out, "%llu", q->d_ino_timer);
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prt_newline(out);
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prt_str(out, "d_spc_timer");
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prt_tab(out);
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prt_printf(out, "%llu", q->d_spc_timer);
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prt_newline(out);
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prt_str(out, "d_ino_warns");
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prt_tab(out);
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prt_printf(out, "%i", q->d_ino_warns);
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prt_newline(out);
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prt_str(out, "d_spc_warns");
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prt_tab(out);
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prt_printf(out, "%i", q->d_spc_warns);
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prt_newline(out);
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}
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2017-03-17 06:18:50 +00:00
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static inline unsigned __next_qtype(unsigned i, unsigned qtypes)
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{
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qtypes >>= i;
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return qtypes ? i + __ffs(qtypes) : QTYP_NR;
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}
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#define for_each_set_qtype(_c, _i, _q, _qtypes) \
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for (_i = 0; \
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(_i = __next_qtype(_i, _qtypes), \
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_q = &(_c)->quotas[_i], \
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_i < QTYP_NR); \
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_i++)
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static bool ignore_hardlimit(struct bch_memquota_type *q)
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{
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if (capable(CAP_SYS_RESOURCE))
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return true;
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#if 0
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struct mem_dqinfo *info = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_id.type];
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return capable(CAP_SYS_RESOURCE) &&
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(info->dqi_format->qf_fmt_id != QFMT_VFS_OLD ||
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!(info->dqi_flags & DQF_ROOT_SQUASH));
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#endif
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return false;
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}
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enum quota_msg {
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SOFTWARN, /* Softlimit reached */
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SOFTLONGWARN, /* Grace time expired */
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HARDWARN, /* Hardlimit reached */
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HARDBELOW, /* Usage got below inode hardlimit */
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SOFTBELOW, /* Usage got below inode softlimit */
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};
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static int quota_nl[][Q_COUNTERS] = {
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[HARDWARN][Q_SPC] = QUOTA_NL_BHARDWARN,
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[SOFTLONGWARN][Q_SPC] = QUOTA_NL_BSOFTLONGWARN,
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[SOFTWARN][Q_SPC] = QUOTA_NL_BSOFTWARN,
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[HARDBELOW][Q_SPC] = QUOTA_NL_BHARDBELOW,
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[SOFTBELOW][Q_SPC] = QUOTA_NL_BSOFTBELOW,
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[HARDWARN][Q_INO] = QUOTA_NL_IHARDWARN,
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[SOFTLONGWARN][Q_INO] = QUOTA_NL_ISOFTLONGWARN,
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[SOFTWARN][Q_INO] = QUOTA_NL_ISOFTWARN,
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[HARDBELOW][Q_INO] = QUOTA_NL_IHARDBELOW,
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[SOFTBELOW][Q_INO] = QUOTA_NL_ISOFTBELOW,
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};
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struct quota_msgs {
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u8 nr;
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struct {
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u8 qtype;
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u8 msg;
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} m[QTYP_NR * Q_COUNTERS];
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};
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static void prepare_msg(unsigned qtype,
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enum quota_counters counter,
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struct quota_msgs *msgs,
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enum quota_msg msg_type)
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{
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BUG_ON(msgs->nr >= ARRAY_SIZE(msgs->m));
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msgs->m[msgs->nr].qtype = qtype;
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msgs->m[msgs->nr].msg = quota_nl[msg_type][counter];
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msgs->nr++;
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}
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static void prepare_warning(struct memquota_counter *qc,
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unsigned qtype,
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enum quota_counters counter,
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struct quota_msgs *msgs,
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enum quota_msg msg_type)
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{
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if (qc->warning_issued & (1 << msg_type))
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return;
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prepare_msg(qtype, counter, msgs, msg_type);
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}
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static void flush_warnings(struct bch_qid qid,
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struct super_block *sb,
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struct quota_msgs *msgs)
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{
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unsigned i;
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for (i = 0; i < msgs->nr; i++)
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quota_send_warning(make_kqid(&init_user_ns, msgs->m[i].qtype, qid.q[i]),
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sb->s_dev, msgs->m[i].msg);
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}
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static int bch2_quota_check_limit(struct bch_fs *c,
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unsigned qtype,
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struct bch_memquota *mq,
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struct quota_msgs *msgs,
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enum quota_counters counter,
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s64 v,
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enum quota_acct_mode mode)
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{
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struct bch_memquota_type *q = &c->quotas[qtype];
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struct memquota_counter *qc = &mq->c[counter];
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u64 n = qc->v + v;
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BUG_ON((s64) n < 0);
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2018-11-01 19:10:01 +00:00
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if (mode == KEY_TYPE_QUOTA_NOCHECK)
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2017-03-17 06:18:50 +00:00
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return 0;
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if (v <= 0) {
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|
|
if (n < qc->hardlimit &&
|
|
|
|
(qc->warning_issued & (1 << HARDWARN))) {
|
|
|
|
qc->warning_issued &= ~(1 << HARDWARN);
|
|
|
|
prepare_msg(qtype, counter, msgs, HARDBELOW);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (n < qc->softlimit &&
|
|
|
|
(qc->warning_issued & (1 << SOFTWARN))) {
|
|
|
|
qc->warning_issued &= ~(1 << SOFTWARN);
|
|
|
|
prepare_msg(qtype, counter, msgs, SOFTBELOW);
|
|
|
|
}
|
|
|
|
|
|
|
|
qc->warning_issued = 0;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (qc->hardlimit &&
|
|
|
|
qc->hardlimit < n &&
|
|
|
|
!ignore_hardlimit(q)) {
|
|
|
|
prepare_warning(qc, qtype, counter, msgs, HARDWARN);
|
2022-10-15 07:52:28 +00:00
|
|
|
return -EDQUOT;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (qc->softlimit &&
|
2022-10-15 07:52:28 +00:00
|
|
|
qc->softlimit < n) {
|
|
|
|
if (qc->timer == 0) {
|
|
|
|
qc->timer = ktime_get_real_seconds() + q->limits[counter].timelimit;
|
|
|
|
prepare_warning(qc, qtype, counter, msgs, SOFTWARN);
|
|
|
|
} else if (ktime_get_real_seconds() >= qc->timer &&
|
|
|
|
!ignore_hardlimit(q)) {
|
|
|
|
prepare_warning(qc, qtype, counter, msgs, SOFTLONGWARN);
|
2017-03-17 06:18:50 +00:00
|
|
|
return -EDQUOT;
|
2022-10-15 07:52:28 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int bch2_quota_acct(struct bch_fs *c, struct bch_qid qid,
|
|
|
|
enum quota_counters counter, s64 v,
|
|
|
|
enum quota_acct_mode mode)
|
|
|
|
{
|
|
|
|
unsigned qtypes = enabled_qtypes(c);
|
|
|
|
struct bch_memquota_type *q;
|
|
|
|
struct bch_memquota *mq[QTYP_NR];
|
|
|
|
struct quota_msgs msgs;
|
|
|
|
unsigned i;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
memset(&msgs, 0, sizeof(msgs));
|
|
|
|
|
2022-11-14 03:35:55 +00:00
|
|
|
for_each_set_qtype(c, i, q, qtypes) {
|
|
|
|
mq[i] = genradix_ptr_alloc(&q->table, qid.q[i], GFP_KERNEL);
|
|
|
|
if (!mq[i])
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
for_each_set_qtype(c, i, q, qtypes)
|
|
|
|
mutex_lock_nested(&q->lock, i);
|
|
|
|
|
|
|
|
for_each_set_qtype(c, i, q, qtypes) {
|
|
|
|
ret = bch2_quota_check_limit(c, i, mq[i], &msgs, counter, v, mode);
|
|
|
|
if (ret)
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
for_each_set_qtype(c, i, q, qtypes)
|
|
|
|
mq[i]->c[counter].v += v;
|
|
|
|
err:
|
|
|
|
for_each_set_qtype(c, i, q, qtypes)
|
|
|
|
mutex_unlock(&q->lock);
|
|
|
|
|
|
|
|
flush_warnings(qid, c->vfs_sb, &msgs);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __bch2_quota_transfer(struct bch_memquota *src_q,
|
|
|
|
struct bch_memquota *dst_q,
|
|
|
|
enum quota_counters counter, s64 v)
|
|
|
|
{
|
|
|
|
BUG_ON(v > src_q->c[counter].v);
|
|
|
|
BUG_ON(v + dst_q->c[counter].v < v);
|
|
|
|
|
|
|
|
src_q->c[counter].v -= v;
|
|
|
|
dst_q->c[counter].v += v;
|
|
|
|
}
|
|
|
|
|
|
|
|
int bch2_quota_transfer(struct bch_fs *c, unsigned qtypes,
|
|
|
|
struct bch_qid dst,
|
2018-12-17 10:43:00 +00:00
|
|
|
struct bch_qid src, u64 space,
|
|
|
|
enum quota_acct_mode mode)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
|
|
|
struct bch_memquota_type *q;
|
|
|
|
struct bch_memquota *src_q[3], *dst_q[3];
|
|
|
|
struct quota_msgs msgs;
|
|
|
|
unsigned i;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
qtypes &= enabled_qtypes(c);
|
|
|
|
|
|
|
|
memset(&msgs, 0, sizeof(msgs));
|
|
|
|
|
2022-11-14 03:35:55 +00:00
|
|
|
for_each_set_qtype(c, i, q, qtypes) {
|
|
|
|
src_q[i] = genradix_ptr_alloc(&q->table, src.q[i], GFP_KERNEL);
|
|
|
|
dst_q[i] = genradix_ptr_alloc(&q->table, dst.q[i], GFP_KERNEL);
|
|
|
|
if (!src_q[i] || !dst_q[i])
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
for_each_set_qtype(c, i, q, qtypes)
|
|
|
|
mutex_lock_nested(&q->lock, i);
|
|
|
|
|
|
|
|
for_each_set_qtype(c, i, q, qtypes) {
|
|
|
|
ret = bch2_quota_check_limit(c, i, dst_q[i], &msgs, Q_SPC,
|
|
|
|
dst_q[i]->c[Q_SPC].v + space,
|
2018-12-17 10:43:00 +00:00
|
|
|
mode);
|
2017-03-17 06:18:50 +00:00
|
|
|
if (ret)
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
ret = bch2_quota_check_limit(c, i, dst_q[i], &msgs, Q_INO,
|
|
|
|
dst_q[i]->c[Q_INO].v + 1,
|
2018-12-17 10:43:00 +00:00
|
|
|
mode);
|
2017-03-17 06:18:50 +00:00
|
|
|
if (ret)
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
for_each_set_qtype(c, i, q, qtypes) {
|
|
|
|
__bch2_quota_transfer(src_q[i], dst_q[i], Q_SPC, space);
|
|
|
|
__bch2_quota_transfer(src_q[i], dst_q[i], Q_INO, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
err:
|
|
|
|
for_each_set_qtype(c, i, q, qtypes)
|
|
|
|
mutex_unlock(&q->lock);
|
|
|
|
|
|
|
|
flush_warnings(dst, c->vfs_sb, &msgs);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2022-10-15 07:52:28 +00:00
|
|
|
static int __bch2_quota_set(struct bch_fs *c, struct bkey_s_c k,
|
|
|
|
struct qc_dqblk *qdq)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
|
|
|
struct bkey_s_c_quota dq;
|
|
|
|
struct bch_memquota_type *q;
|
|
|
|
struct bch_memquota *mq;
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
BUG_ON(k.k->p.inode >= QTYP_NR);
|
|
|
|
|
2022-07-17 04:44:19 +00:00
|
|
|
if (!((1U << k.k->p.inode) & enabled_qtypes(c)))
|
|
|
|
return 0;
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
switch (k.k->type) {
|
2018-11-01 19:10:01 +00:00
|
|
|
case KEY_TYPE_quota:
|
2017-03-17 06:18:50 +00:00
|
|
|
dq = bkey_s_c_to_quota(k);
|
|
|
|
q = &c->quotas[k.k->p.inode];
|
|
|
|
|
|
|
|
mutex_lock(&q->lock);
|
|
|
|
mq = genradix_ptr_alloc(&q->table, k.k->p.offset, GFP_KERNEL);
|
|
|
|
if (!mq) {
|
|
|
|
mutex_unlock(&q->lock);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < Q_COUNTERS; i++) {
|
|
|
|
mq->c[i].hardlimit = le64_to_cpu(dq.v->c[i].hardlimit);
|
|
|
|
mq->c[i].softlimit = le64_to_cpu(dq.v->c[i].softlimit);
|
|
|
|
}
|
|
|
|
|
2022-10-15 07:52:28 +00:00
|
|
|
if (qdq && qdq->d_fieldmask & QC_SPC_TIMER)
|
|
|
|
mq->c[Q_SPC].timer = cpu_to_le64(qdq->d_spc_timer);
|
|
|
|
if (qdq && qdq->d_fieldmask & QC_SPC_WARNS)
|
|
|
|
mq->c[Q_SPC].warns = cpu_to_le64(qdq->d_spc_warns);
|
|
|
|
if (qdq && qdq->d_fieldmask & QC_INO_TIMER)
|
|
|
|
mq->c[Q_INO].timer = cpu_to_le64(qdq->d_ino_timer);
|
|
|
|
if (qdq && qdq->d_fieldmask & QC_INO_WARNS)
|
|
|
|
mq->c[Q_INO].warns = cpu_to_le64(qdq->d_ino_warns);
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
mutex_unlock(&q->lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void bch2_fs_quota_exit(struct bch_fs *c)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(c->quotas); i++)
|
|
|
|
genradix_free(&c->quotas[i].table);
|
|
|
|
}
|
|
|
|
|
|
|
|
void bch2_fs_quota_init(struct bch_fs *c)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(c->quotas); i++)
|
|
|
|
mutex_init(&c->quotas[i].lock);
|
|
|
|
}
|
|
|
|
|
2022-10-12 18:47:58 +00:00
|
|
|
static struct bch_sb_field_quota *bch2_sb_get_or_create_quota(struct bch_sb_handle *sb)
|
|
|
|
{
|
|
|
|
struct bch_sb_field_quota *sb_quota = bch2_sb_get_quota(sb->sb);
|
|
|
|
|
|
|
|
if (sb_quota)
|
|
|
|
return sb_quota;
|
|
|
|
|
|
|
|
sb_quota = bch2_sb_resize_quota(sb, sizeof(*sb_quota) / sizeof(u64));
|
|
|
|
if (sb_quota) {
|
|
|
|
unsigned qtype, qc;
|
|
|
|
|
|
|
|
for (qtype = 0; qtype < QTYP_NR; qtype++)
|
|
|
|
for (qc = 0; qc < Q_COUNTERS; qc++)
|
|
|
|
sb_quota->q[qtype].c[qc].timelimit =
|
|
|
|
cpu_to_le32(7 * 24 * 60 * 60);
|
|
|
|
}
|
|
|
|
|
|
|
|
return sb_quota;
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
static void bch2_sb_quota_read(struct bch_fs *c)
|
|
|
|
{
|
|
|
|
struct bch_sb_field_quota *sb_quota;
|
|
|
|
unsigned i, j;
|
|
|
|
|
|
|
|
sb_quota = bch2_sb_get_quota(c->disk_sb.sb);
|
|
|
|
if (!sb_quota)
|
|
|
|
return;
|
|
|
|
|
|
|
|
for (i = 0; i < QTYP_NR; i++) {
|
|
|
|
struct bch_memquota_type *q = &c->quotas[i];
|
|
|
|
|
|
|
|
for (j = 0; j < Q_COUNTERS; j++) {
|
|
|
|
q->limits[j].timelimit =
|
|
|
|
le32_to_cpu(sb_quota->q[i].c[j].timelimit);
|
|
|
|
q->limits[j].warnlimit =
|
|
|
|
le32_to_cpu(sb_quota->q[i].c[j].warnlimit);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-10-27 17:05:56 +00:00
|
|
|
static int bch2_fs_quota_read_inode(struct btree_trans *trans,
|
2022-07-16 00:51:09 +00:00
|
|
|
struct btree_iter *iter,
|
|
|
|
struct bkey_s_c k)
|
2021-10-27 17:05:56 +00:00
|
|
|
{
|
|
|
|
struct bch_fs *c = trans->c;
|
|
|
|
struct bch_inode_unpacked u;
|
|
|
|
struct bch_subvolume subvolume;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = bch2_snapshot_get_subvol(trans, k.k->p.snapshot, &subvolume);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* We don't do quota accounting in snapshots:
|
|
|
|
*/
|
|
|
|
if (BCH_SUBVOLUME_SNAP(&subvolume))
|
|
|
|
goto advance;
|
|
|
|
|
|
|
|
if (!bkey_is_inode(k.k))
|
|
|
|
goto advance;
|
|
|
|
|
|
|
|
ret = bch2_inode_unpack(k, &u);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
bch2_quota_acct(c, bch_qid(&u), Q_SPC, u.bi_sectors,
|
|
|
|
KEY_TYPE_QUOTA_NOCHECK);
|
|
|
|
bch2_quota_acct(c, bch_qid(&u), Q_INO, 1,
|
|
|
|
KEY_TYPE_QUOTA_NOCHECK);
|
|
|
|
advance:
|
|
|
|
bch2_btree_iter_set_pos(iter, POS(iter->pos.inode, iter->pos.offset + 1));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
int bch2_fs_quota_read(struct bch_fs *c)
|
|
|
|
{
|
2022-10-12 18:47:58 +00:00
|
|
|
struct bch_sb_field_quota *sb_quota;
|
2019-03-25 19:10:15 +00:00
|
|
|
struct btree_trans trans;
|
2021-08-30 19:18:31 +00:00
|
|
|
struct btree_iter iter;
|
2022-07-16 00:51:09 +00:00
|
|
|
struct bkey_s_c k;
|
2017-03-17 06:18:50 +00:00
|
|
|
int ret;
|
|
|
|
|
|
|
|
mutex_lock(&c->sb_lock);
|
2022-10-12 18:47:58 +00:00
|
|
|
sb_quota = bch2_sb_get_or_create_quota(&c->disk_sb);
|
|
|
|
if (!sb_quota) {
|
|
|
|
mutex_unlock(&c->sb_lock);
|
|
|
|
return -BCH_ERR_ENOSPC_sb_quota;
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
bch2_sb_quota_read(c);
|
|
|
|
mutex_unlock(&c->sb_lock);
|
|
|
|
|
2019-05-15 14:54:43 +00:00
|
|
|
bch2_trans_init(&trans, c, 0, 0);
|
2019-03-25 19:10:15 +00:00
|
|
|
|
2022-07-17 04:44:19 +00:00
|
|
|
ret = for_each_btree_key2(&trans, iter, BTREE_ID_quotas,
|
|
|
|
POS_MIN, BTREE_ITER_PREFETCH, k,
|
2022-10-15 07:52:28 +00:00
|
|
|
__bch2_quota_set(c, k, NULL)) ?:
|
2022-07-17 04:44:19 +00:00
|
|
|
for_each_btree_key2(&trans, iter, BTREE_ID_inodes,
|
|
|
|
POS_MIN, BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS, k,
|
2022-07-16 00:51:09 +00:00
|
|
|
bch2_fs_quota_read_inode(&trans, &iter, k));
|
|
|
|
if (ret)
|
2022-07-18 23:42:58 +00:00
|
|
|
bch_err(c, "err in quota_read: %s", bch2_err_str(ret));
|
2021-03-20 00:29:11 +00:00
|
|
|
|
2021-10-19 19:08:00 +00:00
|
|
|
bch2_trans_exit(&trans);
|
2022-07-16 00:51:09 +00:00
|
|
|
return ret;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Enable/disable/delete quotas for an entire filesystem: */
|
|
|
|
|
|
|
|
static int bch2_quota_enable(struct super_block *sb, unsigned uflags)
|
|
|
|
{
|
|
|
|
struct bch_fs *c = sb->s_fs_info;
|
2022-10-12 18:47:58 +00:00
|
|
|
struct bch_sb_field_quota *sb_quota;
|
|
|
|
int ret = 0;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (sb->s_flags & SB_RDONLY)
|
|
|
|
return -EROFS;
|
|
|
|
|
|
|
|
/* Accounting must be enabled at mount time: */
|
|
|
|
if (uflags & (FS_QUOTA_UDQ_ACCT|FS_QUOTA_GDQ_ACCT|FS_QUOTA_PDQ_ACCT))
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
/* Can't enable enforcement without accounting: */
|
|
|
|
if ((uflags & FS_QUOTA_UDQ_ENFD) && !c->opts.usrquota)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if ((uflags & FS_QUOTA_GDQ_ENFD) && !c->opts.grpquota)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (uflags & FS_QUOTA_PDQ_ENFD && !c->opts.prjquota)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
mutex_lock(&c->sb_lock);
|
2022-10-12 18:47:58 +00:00
|
|
|
sb_quota = bch2_sb_get_or_create_quota(&c->disk_sb);
|
|
|
|
if (!sb_quota) {
|
|
|
|
ret = -BCH_ERR_ENOSPC_sb_quota;
|
|
|
|
goto unlock;
|
|
|
|
}
|
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
if (uflags & FS_QUOTA_UDQ_ENFD)
|
|
|
|
SET_BCH_SB_USRQUOTA(c->disk_sb.sb, true);
|
|
|
|
|
|
|
|
if (uflags & FS_QUOTA_GDQ_ENFD)
|
|
|
|
SET_BCH_SB_GRPQUOTA(c->disk_sb.sb, true);
|
|
|
|
|
|
|
|
if (uflags & FS_QUOTA_PDQ_ENFD)
|
|
|
|
SET_BCH_SB_PRJQUOTA(c->disk_sb.sb, true);
|
|
|
|
|
|
|
|
bch2_write_super(c);
|
2022-10-12 18:47:58 +00:00
|
|
|
unlock:
|
2017-03-17 06:18:50 +00:00
|
|
|
mutex_unlock(&c->sb_lock);
|
|
|
|
|
2022-10-12 18:47:58 +00:00
|
|
|
return bch2_err_class(ret);
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int bch2_quota_disable(struct super_block *sb, unsigned uflags)
|
|
|
|
{
|
|
|
|
struct bch_fs *c = sb->s_fs_info;
|
|
|
|
|
|
|
|
if (sb->s_flags & SB_RDONLY)
|
|
|
|
return -EROFS;
|
|
|
|
|
|
|
|
mutex_lock(&c->sb_lock);
|
|
|
|
if (uflags & FS_QUOTA_UDQ_ENFD)
|
|
|
|
SET_BCH_SB_USRQUOTA(c->disk_sb.sb, false);
|
|
|
|
|
|
|
|
if (uflags & FS_QUOTA_GDQ_ENFD)
|
|
|
|
SET_BCH_SB_GRPQUOTA(c->disk_sb.sb, false);
|
|
|
|
|
|
|
|
if (uflags & FS_QUOTA_PDQ_ENFD)
|
|
|
|
SET_BCH_SB_PRJQUOTA(c->disk_sb.sb, false);
|
|
|
|
|
|
|
|
bch2_write_super(c);
|
|
|
|
mutex_unlock(&c->sb_lock);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int bch2_quota_remove(struct super_block *sb, unsigned uflags)
|
|
|
|
{
|
|
|
|
struct bch_fs *c = sb->s_fs_info;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (sb->s_flags & SB_RDONLY)
|
|
|
|
return -EROFS;
|
|
|
|
|
|
|
|
if (uflags & FS_USER_QUOTA) {
|
|
|
|
if (c->opts.usrquota)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2021-02-21 00:27:37 +00:00
|
|
|
ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
|
2017-03-17 06:18:50 +00:00
|
|
|
POS(QTYP_USR, 0),
|
2022-10-11 08:32:41 +00:00
|
|
|
POS(QTYP_USR, U64_MAX),
|
2021-12-29 18:49:34 +00:00
|
|
|
0, NULL);
|
2017-03-17 06:18:50 +00:00
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (uflags & FS_GROUP_QUOTA) {
|
|
|
|
if (c->opts.grpquota)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2021-02-21 00:27:37 +00:00
|
|
|
ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
|
2017-03-17 06:18:50 +00:00
|
|
|
POS(QTYP_GRP, 0),
|
2022-10-11 08:32:41 +00:00
|
|
|
POS(QTYP_GRP, U64_MAX),
|
2021-12-29 18:49:34 +00:00
|
|
|
0, NULL);
|
2017-03-17 06:18:50 +00:00
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (uflags & FS_PROJ_QUOTA) {
|
|
|
|
if (c->opts.prjquota)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2021-02-21 00:27:37 +00:00
|
|
|
ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
|
2017-03-17 06:18:50 +00:00
|
|
|
POS(QTYP_PRJ, 0),
|
2022-10-11 08:32:41 +00:00
|
|
|
POS(QTYP_PRJ, U64_MAX),
|
2021-12-29 18:49:34 +00:00
|
|
|
0, NULL);
|
2017-03-17 06:18:50 +00:00
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Return quota status information, such as enforcements, quota file inode
|
|
|
|
* numbers etc.
|
|
|
|
*/
|
|
|
|
static int bch2_quota_get_state(struct super_block *sb, struct qc_state *state)
|
|
|
|
{
|
|
|
|
struct bch_fs *c = sb->s_fs_info;
|
|
|
|
unsigned qtypes = enabled_qtypes(c);
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
memset(state, 0, sizeof(*state));
|
|
|
|
|
|
|
|
for (i = 0; i < QTYP_NR; i++) {
|
|
|
|
state->s_state[i].flags |= QCI_SYSFILE;
|
|
|
|
|
|
|
|
if (!(qtypes & (1 << i)))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
state->s_state[i].flags |= QCI_ACCT_ENABLED;
|
|
|
|
|
|
|
|
state->s_state[i].spc_timelimit = c->quotas[i].limits[Q_SPC].timelimit;
|
|
|
|
state->s_state[i].spc_warnlimit = c->quotas[i].limits[Q_SPC].warnlimit;
|
|
|
|
|
|
|
|
state->s_state[i].ino_timelimit = c->quotas[i].limits[Q_INO].timelimit;
|
|
|
|
state->s_state[i].ino_warnlimit = c->quotas[i].limits[Q_INO].warnlimit;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Adjust quota timers & warnings
|
|
|
|
*/
|
|
|
|
static int bch2_quota_set_info(struct super_block *sb, int type,
|
|
|
|
struct qc_info *info)
|
|
|
|
{
|
|
|
|
struct bch_fs *c = sb->s_fs_info;
|
|
|
|
struct bch_sb_field_quota *sb_quota;
|
|
|
|
struct bch_memquota_type *q;
|
2022-10-12 18:47:58 +00:00
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (0) {
|
|
|
|
struct printbuf buf = PRINTBUF;
|
|
|
|
|
|
|
|
qc_info_to_text(&buf, info);
|
|
|
|
pr_info("setting:\n%s", buf.buf);
|
|
|
|
printbuf_exit(&buf);
|
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (sb->s_flags & SB_RDONLY)
|
|
|
|
return -EROFS;
|
|
|
|
|
|
|
|
if (type >= QTYP_NR)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (!((1 << type) & enabled_qtypes(c)))
|
|
|
|
return -ESRCH;
|
|
|
|
|
|
|
|
if (info->i_fieldmask &
|
|
|
|
~(QC_SPC_TIMER|QC_INO_TIMER|QC_SPC_WARNS|QC_INO_WARNS))
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
q = &c->quotas[type];
|
|
|
|
|
|
|
|
mutex_lock(&c->sb_lock);
|
2022-10-12 18:47:58 +00:00
|
|
|
sb_quota = bch2_sb_get_or_create_quota(&c->disk_sb);
|
2017-03-17 06:18:50 +00:00
|
|
|
if (!sb_quota) {
|
2022-10-12 18:47:58 +00:00
|
|
|
ret = -BCH_ERR_ENOSPC_sb_quota;
|
|
|
|
goto unlock;
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (info->i_fieldmask & QC_SPC_TIMER)
|
|
|
|
sb_quota->q[type].c[Q_SPC].timelimit =
|
|
|
|
cpu_to_le32(info->i_spc_timelimit);
|
|
|
|
|
|
|
|
if (info->i_fieldmask & QC_SPC_WARNS)
|
|
|
|
sb_quota->q[type].c[Q_SPC].warnlimit =
|
|
|
|
cpu_to_le32(info->i_spc_warnlimit);
|
|
|
|
|
|
|
|
if (info->i_fieldmask & QC_INO_TIMER)
|
|
|
|
sb_quota->q[type].c[Q_INO].timelimit =
|
|
|
|
cpu_to_le32(info->i_ino_timelimit);
|
|
|
|
|
|
|
|
if (info->i_fieldmask & QC_INO_WARNS)
|
|
|
|
sb_quota->q[type].c[Q_INO].warnlimit =
|
|
|
|
cpu_to_le32(info->i_ino_warnlimit);
|
|
|
|
|
|
|
|
bch2_sb_quota_read(c);
|
|
|
|
|
|
|
|
bch2_write_super(c);
|
2022-10-12 18:47:58 +00:00
|
|
|
unlock:
|
2017-03-17 06:18:50 +00:00
|
|
|
mutex_unlock(&c->sb_lock);
|
|
|
|
|
2022-10-12 18:47:58 +00:00
|
|
|
return bch2_err_class(ret);
|
2017-03-17 06:18:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Get/set individual quotas: */
|
|
|
|
|
|
|
|
static void __bch2_quota_get(struct qc_dqblk *dst, struct bch_memquota *src)
|
|
|
|
{
|
|
|
|
dst->d_space = src->c[Q_SPC].v << 9;
|
|
|
|
dst->d_spc_hardlimit = src->c[Q_SPC].hardlimit << 9;
|
|
|
|
dst->d_spc_softlimit = src->c[Q_SPC].softlimit << 9;
|
|
|
|
dst->d_spc_timer = src->c[Q_SPC].timer;
|
|
|
|
dst->d_spc_warns = src->c[Q_SPC].warns;
|
|
|
|
|
|
|
|
dst->d_ino_count = src->c[Q_INO].v;
|
|
|
|
dst->d_ino_hardlimit = src->c[Q_INO].hardlimit;
|
|
|
|
dst->d_ino_softlimit = src->c[Q_INO].softlimit;
|
|
|
|
dst->d_ino_timer = src->c[Q_INO].timer;
|
|
|
|
dst->d_ino_warns = src->c[Q_INO].warns;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int bch2_get_quota(struct super_block *sb, struct kqid kqid,
|
|
|
|
struct qc_dqblk *qdq)
|
|
|
|
{
|
|
|
|
struct bch_fs *c = sb->s_fs_info;
|
|
|
|
struct bch_memquota_type *q = &c->quotas[kqid.type];
|
|
|
|
qid_t qid = from_kqid(&init_user_ns, kqid);
|
|
|
|
struct bch_memquota *mq;
|
|
|
|
|
|
|
|
memset(qdq, 0, sizeof(*qdq));
|
|
|
|
|
|
|
|
mutex_lock(&q->lock);
|
|
|
|
mq = genradix_ptr(&q->table, qid);
|
|
|
|
if (mq)
|
|
|
|
__bch2_quota_get(qdq, mq);
|
|
|
|
mutex_unlock(&q->lock);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int bch2_get_next_quota(struct super_block *sb, struct kqid *kqid,
|
|
|
|
struct qc_dqblk *qdq)
|
|
|
|
{
|
|
|
|
struct bch_fs *c = sb->s_fs_info;
|
|
|
|
struct bch_memquota_type *q = &c->quotas[kqid->type];
|
|
|
|
qid_t qid = from_kqid(&init_user_ns, *kqid);
|
2018-11-24 22:09:44 +00:00
|
|
|
struct genradix_iter iter;
|
2017-03-17 06:18:50 +00:00
|
|
|
struct bch_memquota *mq;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
mutex_lock(&q->lock);
|
|
|
|
|
2018-11-24 22:09:44 +00:00
|
|
|
genradix_for_each_from(&q->table, iter, mq, qid)
|
2017-03-17 06:18:50 +00:00
|
|
|
if (memcmp(mq, page_address(ZERO_PAGE(0)), sizeof(*mq))) {
|
|
|
|
__bch2_quota_get(qdq, mq);
|
|
|
|
*kqid = make_kqid(current_user_ns(), kqid->type, iter.pos);
|
|
|
|
goto found;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = -ENOENT;
|
|
|
|
found:
|
|
|
|
mutex_unlock(&q->lock);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2020-05-13 21:53:33 +00:00
|
|
|
static int bch2_set_quota_trans(struct btree_trans *trans,
|
|
|
|
struct bkey_i_quota *new_quota,
|
|
|
|
struct qc_dqblk *qdq)
|
2017-03-17 06:18:50 +00:00
|
|
|
{
|
2021-08-30 19:18:31 +00:00
|
|
|
struct btree_iter iter;
|
2017-03-17 06:18:50 +00:00
|
|
|
struct bkey_s_c k;
|
|
|
|
int ret;
|
|
|
|
|
2021-08-30 19:18:31 +00:00
|
|
|
bch2_trans_iter_init(trans, &iter, BTREE_ID_quotas, new_quota->k.p,
|
|
|
|
BTREE_ITER_SLOTS|BTREE_ITER_INTENT);
|
|
|
|
k = bch2_btree_iter_peek_slot(&iter);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2019-03-28 02:03:30 +00:00
|
|
|
ret = bkey_err(k);
|
2017-03-17 06:18:50 +00:00
|
|
|
if (unlikely(ret))
|
|
|
|
return ret;
|
|
|
|
|
2020-05-13 21:53:33 +00:00
|
|
|
if (k.k->type == KEY_TYPE_quota)
|
|
|
|
new_quota->v = *bkey_s_c_to_quota(k).v;
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (qdq->d_fieldmask & QC_SPC_SOFT)
|
2020-05-13 21:53:33 +00:00
|
|
|
new_quota->v.c[Q_SPC].softlimit = cpu_to_le64(qdq->d_spc_softlimit >> 9);
|
2017-03-17 06:18:50 +00:00
|
|
|
if (qdq->d_fieldmask & QC_SPC_HARD)
|
2020-05-13 21:53:33 +00:00
|
|
|
new_quota->v.c[Q_SPC].hardlimit = cpu_to_le64(qdq->d_spc_hardlimit >> 9);
|
2017-03-17 06:18:50 +00:00
|
|
|
|
|
|
|
if (qdq->d_fieldmask & QC_INO_SOFT)
|
2020-05-13 21:53:33 +00:00
|
|
|
new_quota->v.c[Q_INO].softlimit = cpu_to_le64(qdq->d_ino_softlimit);
|
2017-03-17 06:18:50 +00:00
|
|
|
if (qdq->d_fieldmask & QC_INO_HARD)
|
2020-05-13 21:53:33 +00:00
|
|
|
new_quota->v.c[Q_INO].hardlimit = cpu_to_le64(qdq->d_ino_hardlimit);
|
|
|
|
|
2021-08-30 19:18:31 +00:00
|
|
|
ret = bch2_trans_update(trans, &iter, &new_quota->k_i, 0);
|
|
|
|
bch2_trans_iter_exit(trans, &iter);
|
2021-03-20 00:29:11 +00:00
|
|
|
return ret;
|
2020-05-13 21:53:33 +00:00
|
|
|
}
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2020-05-13 21:53:33 +00:00
|
|
|
static int bch2_set_quota(struct super_block *sb, struct kqid qid,
|
|
|
|
struct qc_dqblk *qdq)
|
|
|
|
{
|
|
|
|
struct bch_fs *c = sb->s_fs_info;
|
|
|
|
struct bkey_i_quota new_quota;
|
|
|
|
int ret;
|
2019-03-14 00:49:16 +00:00
|
|
|
|
2022-10-12 18:47:58 +00:00
|
|
|
if (0) {
|
|
|
|
struct printbuf buf = PRINTBUF;
|
|
|
|
|
|
|
|
qc_dqblk_to_text(&buf, qdq);
|
|
|
|
pr_info("setting:\n%s", buf.buf);
|
|
|
|
printbuf_exit(&buf);
|
|
|
|
}
|
|
|
|
|
2020-05-13 21:53:33 +00:00
|
|
|
if (sb->s_flags & SB_RDONLY)
|
|
|
|
return -EROFS;
|
2019-03-14 00:49:16 +00:00
|
|
|
|
2020-05-13 21:53:33 +00:00
|
|
|
bkey_quota_init(&new_quota.k_i);
|
|
|
|
new_quota.k.p = POS(qid.type, from_kqid(&init_user_ns, qid));
|
2017-03-17 06:18:50 +00:00
|
|
|
|
2021-07-28 02:15:04 +00:00
|
|
|
ret = bch2_trans_do(c, NULL, NULL, 0,
|
2020-05-13 21:53:33 +00:00
|
|
|
bch2_set_quota_trans(&trans, &new_quota, qdq)) ?:
|
2022-10-15 07:52:28 +00:00
|
|
|
__bch2_quota_set(c, bkey_i_to_s_c(&new_quota.k_i), qdq);
|
2020-05-13 21:53:33 +00:00
|
|
|
|
2017-03-17 06:18:50 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
const struct quotactl_ops bch2_quotactl_operations = {
|
|
|
|
.quota_enable = bch2_quota_enable,
|
|
|
|
.quota_disable = bch2_quota_disable,
|
|
|
|
.rm_xquota = bch2_quota_remove,
|
|
|
|
|
|
|
|
.get_state = bch2_quota_get_state,
|
|
|
|
.set_info = bch2_quota_set_info,
|
|
|
|
|
|
|
|
.get_dqblk = bch2_get_quota,
|
|
|
|
.get_nextdqblk = bch2_get_next_quota,
|
|
|
|
.set_dqblk = bch2_set_quota,
|
|
|
|
};
|
|
|
|
|
|
|
|
#endif /* CONFIG_BCACHEFS_QUOTA */
|