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| author | NeilBrown <neilb@suse.de> | 2005-11-08 21:39:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 07:56:37 -0800 |
| commit | 9d88883e68f404d5581bd391713ceef470ea53a9 (patch) | |
| tree | 09217a737ca91fb1d105df601741a61e141d4946 /include | |
| parent | 24dd469d728dae07f40c5d79ea6dedd38cdf1a30 (diff) | |
| download | kernel-crypto-9d88883e68f404d5581bd391713ceef470ea53a9.tar.gz kernel-crypto-9d88883e68f404d5581bd391713ceef470ea53a9.tar.xz kernel-crypto-9d88883e68f404d5581bd391713ceef470ea53a9.zip | |
[PATCH] md: teach raid5 the difference between 'check' and 'repair'.
With this, raid5 can be asked to check parity without repairing it. It also
keeps a count of the number of incorrect parity blocks found (mismatches) and
reports them through sysfs.
Signed-off-by: Neil Brown <neilb@suse.de>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/raid/md_k.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h index efd04dca0ab..cb8b44d1588 100644 --- a/include/linux/raid/md_k.h +++ b/include/linux/raid/md_k.h @@ -175,6 +175,10 @@ struct mddev_s sector_t resync_mark_cnt;/* blocks written at resync_mark */ sector_t resync_max_sectors; /* may be set by personality */ + + sector_t resync_mismatches; /* count of sectors where + * parity/replica mismatch found + */ /* recovery/resync flags * NEEDED: we might need to start a resync/recover * RUNNING: a thread is running, or about to be started |