Commit 1bcd7aa1 authored by Liu Bo's avatar Liu Bo Committed by David Sterba

Btrfs: set scrub page's io_error if failing to submit io

Scrub repairs data by the unit called scrub_block, which may contain
several pages.  Scrub always tries to look up a good copy of a whole
block, but if there's no such copy, it tries to do repair page by page.

If we don't set page's io_error when checking this bad copy, in the last
step, we may skip this page when repairing bad copy from good copy.

Cc: David Sterba <dsterba@suse.cz>
Signed-off-by: default avatarLiu Bo <bo.li.liu@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 171938e5
...@@ -1497,14 +1497,18 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info, ...@@ -1497,14 +1497,18 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info,
bio_add_page(bio, page->page, PAGE_SIZE, 0); bio_add_page(bio, page->page, PAGE_SIZE, 0);
if (!retry_failed_mirror && scrub_is_page_on_raid56(page)) { if (!retry_failed_mirror && scrub_is_page_on_raid56(page)) {
if (scrub_submit_raid56_bio_wait(fs_info, bio, page)) if (scrub_submit_raid56_bio_wait(fs_info, bio, page)) {
page->io_error = 1;
sblock->no_io_error_seen = 0; sblock->no_io_error_seen = 0;
}
} else { } else {
bio->bi_iter.bi_sector = page->physical >> 9; bio->bi_iter.bi_sector = page->physical >> 9;
bio_set_op_attrs(bio, REQ_OP_READ, 0); bio_set_op_attrs(bio, REQ_OP_READ, 0);
if (btrfsic_submit_bio_wait(bio)) if (btrfsic_submit_bio_wait(bio)) {
page->io_error = 1;
sblock->no_io_error_seen = 0; sblock->no_io_error_seen = 0;
}
} }
bio_put(bio); bio_put(bio);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment