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[2/5] btrfs: Reset sblock->xxx_error stats before calling scrub_recheck_block_checksum

Message ID c078b25e1eb968d01424c283730d4620bdccfe11.1440430437.git.zhaolei@cn.fujitsu.com (mailing list archive)
State Accepted
Headers show

Commit Message

Zhaolei Aug. 24, 2015, 3:34 p.m. UTC 
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>
---
 fs/btrfs/scrub.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index c8c16f4..4326e16 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1508,6 +1508,7 @@  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;
@@ -2216,6 +2217,9 @@  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,