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(parent: 5cec8fe) | patch
Btrfs: add device counters for detected IO and checksum errors
authorStefan Behrens <sbehrens@giantdisaster.de>
Fri, 25 May 2012 14:06:08 +0000 (16:06 +0200)
committerJosef Bacik <josef@redhat.com>
Wed, 30 May 2012 14:23:39 +0000 (10:23 -0400)
commitda7adf8ab9511c9d618b46a6d22200a87f97bfbf
treee782db1bcbec25283048d77871e0bed7ad04567ctree | snapshot
parent5cec8fe7a4f725c6e0cac7596d19d2ce6833c76ccommit | diff
Btrfs: add device counters for detected IO and checksum errors

The goal is to detect when drives start to get an increased error rate,
when drives should be replaced soon. Therefore statistic counters are
added that count IO errors (read, write and flush). Additionally, the
software detected errors like checksum errors and corrupted blocks are
counted.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
fs/btrfs/disk-io.c diff | blob | history
fs/btrfs/extent_io.c diff | blob | history
fs/btrfs/ioctl.h diff | blob | history
fs/btrfs/scrub.c diff | blob | history
fs/btrfs/volumes.c diff | blob | history
fs/btrfs/volumes.h diff | blob | history
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