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authorChristoph Hellwig <hch@lst.de>2017-06-03 09:38:03 +0200
committerJens Axboe <axboe@fb.com>2017-06-09 09:27:32 -0600
commit1be5690984588953e759af0a4c6ddac182a1806c (patch)
tree703e6e07de09bb76f3fd0de3a84afa34ace79183 /drivers/md/dm-stripe.c
parent846785e6a5725de4f0788e78e101961566a77d2a (diff)
dm: change ->end_io calling convention
Turn the error paramter into a pointer so that target drivers can change the value, and make sure only DM_ENDIO_* values are returned from the methods. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md/dm-stripe.c')
-rw-r--r--drivers/md/dm-stripe.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 780e95889a7c..49888bc2c909 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -375,20 +375,20 @@ static void stripe_status(struct dm_target *ti, status_type_t type,
}
}
-static int stripe_end_io(struct dm_target *ti, struct bio *bio, int error)
+static int stripe_end_io(struct dm_target *ti, struct bio *bio, int *error)
{
unsigned i;
char major_minor[16];
struct stripe_c *sc = ti->private;
- if (!error)
- return 0; /* I/O complete */
+ if (!*error)
+ return DM_ENDIO_DONE; /* I/O complete */
if (bio->bi_opf & REQ_RAHEAD)
- return error;
+ return DM_ENDIO_DONE;
- if (error == -EOPNOTSUPP)
- return error;
+ if (*error == -EOPNOTSUPP)
+ return DM_ENDIO_DONE;
memset(major_minor, 0, sizeof(major_minor));
sprintf(major_minor, "%d:%d",
@@ -409,7 +409,7 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, int error)
schedule_work(&sc->trigger_event);
}
- return error;
+ return DM_ENDIO_DONE;
}
static int stripe_iterate_devices(struct dm_target *ti,