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btrfs: Reset sblock->xxx_error stats before calling scrub_recheck_block_checksum 

We should reset sblock->xxx_error stats before calling
scrub_recheck_block_checksum().

Current code run correctly because all sblock are allocated by
k[cz]alloc(), and the error stats are not got changed.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Zhao Lei 2015-08-24 21:10:18 +08:00 committed by Chris Mason
parent 4734b7ed79
commit 772d233f5d
1 changed files with 4 additions and 0 deletions
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4
fs/btrfs/scrub.c
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@ -1495,6 +1495,7 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info,
sblock->no_io_error_seen = 1;
sblock->header_error = 0;
sblock->checksum_error = 0;
sblock->generation_error = 0;
for (page_num = 0; page_num < sblock->page_count; page_num++) {
struct bio *bio;
@ -2203,6 +2204,9 @@ static void scrub_missing_raid56_worker(struct btrfs_work *work)
logical = sblock->pagev[0]->logical;
dev = sblock->pagev[0]->dev;
sblock->header_error = 0;
sblock->checksum_error = 0;
sblock->generation_error = 0;
if (sblock->no_io_error_seen) {
scrub_recheck_block_checksum(fs_info, sblock, is_metadata,
have_csum, csum, generation,