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authorNeilBrown <neilb@suse.de>2006-01-06 00:20:52 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:34:09 -0800
commit4dbcdc751cb25ffca3a8374cbc5ab6de961cc545 (patch)
tree61d1eb6e35c0eec66e5a8610c1f57b1e6eec135c /drivers/md/raid10.c
parentd9d166c2a9d5d01af34396793950aa695883eed4 (diff)
[PATCH] md: count corrected read errors per drive
Store this total in superblock (As appropriate), and make it available to userspace via sysfs. Signed-off-by: Neil Brown <neilb@suse.de> Acked-by: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/raid10.c')
-rw-r--r--drivers/md/raid10.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 201dc7168a5f..9e658e519a27 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1122,9 +1122,13 @@ static int end_sync_read(struct bio *bio, unsigned int bytes_done, int error)
if (test_bit(BIO_UPTODATE, &bio->bi_flags))
set_bit(R10BIO_Uptodate, &r10_bio->state);
- else if (!test_bit(MD_RECOVERY_SYNC, &conf->mddev->recovery))
- md_error(r10_bio->mddev,
- conf->mirrors[d].rdev);
+ else {
+ atomic_add(r10_bio->sectors,
+ &conf->mirrors[d].rdev->corrected_errors);
+ if (!test_bit(MD_RECOVERY_SYNC, &conf->mddev->recovery))
+ md_error(r10_bio->mddev,
+ conf->mirrors[d].rdev);
+ }
/* for reconstruct, we always reschedule after a read.
* for resync, only after all reads
@@ -1430,6 +1434,7 @@ static void raid10d(mddev_t *mddev)
sl--;
d = r10_bio->devs[sl].devnum;
rdev = conf->mirrors[d].rdev;
+ atomic_add(s, &rdev->corrected_errors);
if (rdev &&
test_bit(In_sync, &rdev->flags)) {
if (sync_page_io(rdev->bdev,