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Btrfs: do not inc uncorrectable_errors counter on ro scrubs 

Currently if we discover an error when scrubbing in ro mode we a)
blindly increment the uncorrectable_errors counter, and b) spam the
dmesg with the 'unable to fixup (regular) error at ...' message, even
though a) we haven't tried to determine if the error is correctable or
not, and b) we haven't tried to fixup anything.  Fix this.

Cc: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Ilya Dryomov 2013-11-03 19:06:38 +02:00 committed by Chris Mason
parent d006a04816
commit 33ef30add1
1 changed files with 4 additions and 2 deletions
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6
fs/btrfs/scrub.c
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@ -938,8 +938,10 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check)
BTRFS_DEV_STAT_CORRUPTION_ERRS);
}
if (sctx->readonly && !sctx->is_dev_replace)
goto did_not_correct_error;
if (sctx->readonly) {
ASSERT(!sctx->is_dev_replace);
goto out;
}
if (!is_metadata && !have_csum) {
struct scrub_fixup_nodatasum *fixup_nodatasum;