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[PATCH] md: count corrected read errors per drive

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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>
This commit is contained in:
NeilBrown
2006-01-06 00:20:52 -08:00
committed by Linus Torvalds
parent d9d166c2a9
commit 4dbcdc751c
7 changed files with 57 additions and 4 deletions
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3
drivers/md/raid5.c
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@ -1400,6 +1400,9 @@ static void handle_stripe(struct stripe_head *sh)
bi->bi_io_vec[0].bv_offset = 0;
bi->bi_size = STRIPE_SIZE;
bi->bi_next = NULL;
if (rw == WRITE &&
test_bit(R5_ReWrite, &sh->dev[i].flags))
atomic_add(STRIPE_SECTORS, &rdev->corrected_errors);
generic_make_request(bi);
} else {
if (rw == 1)