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authorJianpeng Ma <majianpeng@gmail.com>2012-10-11 07:17:59 +0400
committerNeilBrown <neilb@suse.de>2012-10-11 07:17:59 +0400
commit7f7583d420231b9d09897afd57a957011b606a5b (patch)
treeaa45d88b926bfc8e22f841b9ea83d338afa4c3ae /drivers/md/md.h
parent1ed850f356a0a422013846b5291acff08815008b (diff)
downloadlinux-7f7583d420231b9d09897afd57a957011b606a5b.tar.xz
Subject: [PATCH] md:change resync_mismatches to atomic64_t to avoid races
Now that multiple threads can handle stripes, it is safer to use an atomic64_t for resync_mismatches, to avoid update races. Signed-off-by: Jianpeng Ma <majianpeng@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/md.h')
-rw-r--r--drivers/md/md.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 93ada214b50e..af443ab868db 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -282,7 +282,7 @@ struct mddev {
sector_t resync_max_sectors; /* may be set by personality */
- sector_t resync_mismatches; /* count of sectors where
+ atomic64_t resync_mismatches; /* count of sectors where
* parity/replica mismatch found
*/