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[PATCH] dm kcopyd: error accumulation fix 

kcopyd should accumulate errors - otherwise I/O failures may be ignored
unintentionally.

And invert 'success' (used in a future patch), using a more intuitive
!(read_err || write_err).

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jonathan Brassow 2006-06-26 00:27:30 -07:00 committed by Linus Torvalds
parent 8a835f11bc
commit ce503f59ae
2 changed files with 3 additions and 3 deletions
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2
drivers/md/dm-raid1.c
View File

@ -602,7 +602,7 @@ static void recovery_complete(int read_err, unsigned int write_err,
struct region *reg = (struct region *) context;
/* FIXME: better error handling */
rh_recovery_end(reg, read_err || write_err);
rh_recovery_end(reg, !(read_err || write_err));
}
static int recover(struct mirror_set *ms, struct region *reg)

4
drivers/md/kcopyd.c
View File

@ -314,7 +314,7 @@ static void complete_io(unsigned long error, void *context)
if (error) {
if (job->rw == WRITE)
job->write_err &= error;
job->write_err |= error;
else
job->read_err = 1;
@ -460,7 +460,7 @@ static void segment_complete(int read_err,
job->read_err = 1;
if (write_err)
job->write_err &= write_err;
job->write_err |= write_err;
/*
* Only dispatch more work if there hasn't been an error.