diff options
| author |   Kiyoshi Ueda <k-ueda@ct.jp.nec.com> | 2006-12-08 02:41:06 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-08 08:29:09 -0800 |
| commit | d2a7ad29a810441e9dacbaddcc2f0c6045390008 (patch) | |
| tree | 36bea90fa2f286f525a3b4f05adf40ec4d28221c /drivers/md/dm-mpath.c | |
| parent | [PATCH] dm: map and endio return code clarification (diff) | |
| download | linux-dev-d2a7ad29a810441e9dacbaddcc2f0c6045390008.tar.xz linux-dev-d2a7ad29a810441e9dacbaddcc2f0c6045390008.zip | |
[PATCH] dm: map and endio symbolic return codes
Update existing targets to use the new symbols for return values from target
map and end_io functions.
There is no effect on behaviour.
Test results:
Done build test without errors.
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: dm-devel@redhat.com
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index dda4109292bc..d325edcbb3f5 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -285,7 +285,7 @@ failed: static int map_io(struct multipath *m, struct bio *bio, struct mpath_io *mpio, unsigned was_queued) { - int r = 1; + int r = DM_MAPIO_REMAPPED; unsigned long flags; struct pgpath *pgpath; @@ -310,7 +310,7 @@ static int map_io(struct multipath *m, struct bio *bio, struct mpath_io *mpio, !m->queue_io) queue_work(kmultipathd, &m->process_queued_ios); pgpath = NULL; - r = 0; + r = DM_MAPIO_SUBMITTED; } else if (!pgpath) r = -EIO; /* Failed */ else @@ -372,7 +372,7 @@ static void dispatch_queued_ios(struct multipath *m) r = map_io(m, bio, mpio, 1); if (r < 0) bio_endio(bio, bio->bi_size, r); - else if (r == 1) + else if (r == DM_MAPIO_REMAPPED) generic_make_request(bio); bio = next; @@ -1042,7 +1042,7 @@ static int do_end_io(struct multipath *m, struct bio *bio, queue_work(kmultipathd, &m->process_queued_ios); spin_unlock_irqrestore(&m->lock, flags); - return 1; /* io not complete */ + return DM_ENDIO_INCOMPLETE; /* io not complete */ } static int multipath_end_io(struct dm_target *ti, struct bio *bio, @@ -1060,7 +1060,7 @@ static int multipath_end_io(struct dm_target *ti, struct bio *bio, if (ps->type->end_io) ps->type->end_io(ps, &pgpath->path); } - if (r <= 0) + if (r != DM_ENDIO_INCOMPLETE) mempool_free(mpio, m->mpio_pool); return r; |