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btrfs: pass a btrfs_bio to btrfs_repair_one_sector
Pass the btrfs_bio instead of the plain bio to btrfs_repair_one_sector, and remove the start and failed_mirror arguments in favor of deriving them from the btrfs_bio. For this to work ensure that the file_offset field is also initialized for buffered I/O. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: Boris Burkov <boris@bur.io> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
parent
524bcd1e17
commit
7aa51232e2
3 changed files with 31 additions and 29 deletions
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@ -182,6 +182,7 @@ static int add_extent_changeset(struct extent_state *state, u32 bits,
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static void submit_one_bio(struct btrfs_bio_ctrl *bio_ctrl)
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{
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struct bio *bio;
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struct bio_vec *bv;
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struct inode *inode;
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int mirror_num;
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@ -189,12 +190,15 @@ static void submit_one_bio(struct btrfs_bio_ctrl *bio_ctrl)
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return;
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bio = bio_ctrl->bio;
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inode = bio_first_page_all(bio)->mapping->host;
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bv = bio_first_bvec_all(bio);
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inode = bv->bv_page->mapping->host;
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mirror_num = bio_ctrl->mirror_num;
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/* Caller should ensure the bio has at least some range added */
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ASSERT(bio->bi_iter.bi_size);
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btrfs_bio(bio)->file_offset = page_offset(bv->bv_page) + bv->bv_offset;
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if (!is_data_inode(inode))
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btrfs_submit_metadata_bio(inode, bio, mirror_num);
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else if (btrfs_op(bio) == BTRFS_MAP_WRITE)
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@ -2535,10 +2539,11 @@ void btrfs_free_io_failure_record(struct btrfs_inode *inode, u64 start, u64 end)
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}
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static struct io_failure_record *btrfs_get_io_failure_record(struct inode *inode,
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u64 start,
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int failed_mirror)
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struct btrfs_bio *bbio,
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unsigned int bio_offset)
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{
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struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
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u64 start = bbio->file_offset + bio_offset;
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struct io_failure_record *failrec;
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struct extent_map *em;
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struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
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@ -2558,7 +2563,7 @@ static struct io_failure_record *btrfs_get_io_failure_record(struct inode *inode
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* (e.g. with a list for failed_mirror) to make
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* clean_io_failure() clean all those errors at once.
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*/
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ASSERT(failrec->this_mirror == failed_mirror);
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ASSERT(failrec->this_mirror == bbio->mirror_num);
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ASSERT(failrec->len == fs_info->sectorsize);
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return failrec;
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}
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@ -2569,8 +2574,8 @@ static struct io_failure_record *btrfs_get_io_failure_record(struct inode *inode
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failrec->start = start;
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failrec->len = sectorsize;
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failrec->failed_mirror = failed_mirror;
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failrec->this_mirror = failed_mirror;
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failrec->failed_mirror = bbio->mirror_num;
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failrec->this_mirror = bbio->mirror_num;
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failrec->compress_type = BTRFS_COMPRESS_NONE;
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read_lock(&em_tree->lock);
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@ -2635,17 +2640,16 @@ static struct io_failure_record *btrfs_get_io_failure_record(struct inode *inode
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return failrec;
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}
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int btrfs_repair_one_sector(struct inode *inode,
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struct bio *failed_bio, u32 bio_offset,
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struct page *page, unsigned int pgoff,
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u64 start, int failed_mirror,
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int btrfs_repair_one_sector(struct inode *inode, struct btrfs_bio *failed_bbio,
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u32 bio_offset, struct page *page, unsigned int pgoff,
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submit_bio_hook_t *submit_bio_hook)
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{
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u64 start = failed_bbio->file_offset + bio_offset;
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struct io_failure_record *failrec;
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struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
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struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
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struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
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struct btrfs_bio *failed_bbio = btrfs_bio(failed_bio);
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struct bio *failed_bio = &failed_bbio->bio;
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const int icsum = bio_offset >> fs_info->sectorsize_bits;
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struct bio *repair_bio;
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struct btrfs_bio *repair_bbio;
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@ -2655,7 +2659,7 @@ int btrfs_repair_one_sector(struct inode *inode,
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BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
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failrec = btrfs_get_io_failure_record(inode, start, failed_mirror);
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failrec = btrfs_get_io_failure_record(inode, failed_bbio, bio_offset);
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if (IS_ERR(failrec))
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return PTR_ERR(failrec);
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@ -2751,9 +2755,10 @@ static void end_sector_io(struct page *page, u64 offset, bool uptodate)
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offset + sectorsize - 1, &cached);
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}
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static void submit_data_read_repair(struct inode *inode, struct bio *failed_bio,
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static void submit_data_read_repair(struct inode *inode,
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struct btrfs_bio *failed_bbio,
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u32 bio_offset, const struct bio_vec *bvec,
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int failed_mirror, unsigned int error_bitmap)
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unsigned int error_bitmap)
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{
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const unsigned int pgoff = bvec->bv_offset;
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struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
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@ -2764,7 +2769,7 @@ static void submit_data_read_repair(struct inode *inode, struct bio *failed_bio,
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const int nr_bits = (end + 1 - start) >> fs_info->sectorsize_bits;
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int i;
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BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
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BUG_ON(bio_op(&failed_bbio->bio) == REQ_OP_WRITE);
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/* This repair is only for data */
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ASSERT(is_data_inode(inode));
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@ -2776,7 +2781,7 @@ static void submit_data_read_repair(struct inode *inode, struct bio *failed_bio,
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* We only get called on buffered IO, thus page must be mapped and bio
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* must not be cloned.
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*/
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ASSERT(page->mapping && !bio_flagged(failed_bio, BIO_CLONED));
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ASSERT(page->mapping && !bio_flagged(&failed_bbio->bio, BIO_CLONED));
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/* Iterate through all the sectors in the range */
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for (i = 0; i < nr_bits; i++) {
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@ -2793,10 +2798,9 @@ static void submit_data_read_repair(struct inode *inode, struct bio *failed_bio,
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goto next;
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}
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ret = btrfs_repair_one_sector(inode, failed_bio,
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bio_offset + offset,
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page, pgoff + offset, start + offset,
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failed_mirror, btrfs_submit_data_read_bio);
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ret = btrfs_repair_one_sector(inode, failed_bbio,
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bio_offset + offset, page, pgoff + offset,
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btrfs_submit_data_read_bio);
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if (!ret) {
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/*
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* We have submitted the read repair, the page release
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@ -3130,8 +3134,8 @@ static void end_bio_extent_readpage(struct bio *bio)
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* submit_data_read_repair() will handle all the good
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* and bad sectors, we just continue to the next bvec.
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*/
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submit_data_read_repair(inode, bio, bio_offset, bvec,
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mirror, error_bitmap);
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submit_data_read_repair(inode, bbio, bio_offset, bvec,
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error_bitmap);
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} else {
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/* Update page status and unlock */
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end_page_read(page, uptodate, start, len);
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@ -57,6 +57,7 @@ enum {
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#define BITMAP_LAST_BYTE_MASK(nbits) \
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(BYTE_MASK >> (-(nbits) & (BITS_PER_BYTE - 1)))
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struct btrfs_bio;
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struct btrfs_root;
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struct btrfs_inode;
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struct btrfs_io_bio;
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@ -266,10 +267,8 @@ struct io_failure_record {
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int num_copies;
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};
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int btrfs_repair_one_sector(struct inode *inode,
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struct bio *failed_bio, u32 bio_offset,
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struct page *page, unsigned int pgoff,
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u64 start, int failed_mirror,
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int btrfs_repair_one_sector(struct inode *inode, struct btrfs_bio *failed_bbio,
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u32 bio_offset, struct page *page, unsigned int pgoff,
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submit_bio_hook_t *submit_bio_hook);
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#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
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@ -8012,9 +8012,8 @@ static blk_status_t btrfs_check_read_dio_bio(struct btrfs_dio_private *dip,
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} else {
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int ret;
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ret = btrfs_repair_one_sector(inode, &bbio->bio, offset,
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bv.bv_page, bv.bv_offset, start,
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bbio->mirror_num,
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ret = btrfs_repair_one_sector(inode, bbio, offset,
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bv.bv_page, bv.bv_offset,
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submit_dio_repair_bio);
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if (ret)
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err = errno_to_blk_status(ret);
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