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authorChristoph Hellwig <hch@lst.de>2017-06-03 10:38:03 +0300
committerJens Axboe <axboe@fb.com>2017-06-09 18:27:32 +0300
commit1be5690984588953e759af0a4c6ddac182a1806c (patch)
tree703e6e07de09bb76f3fd0de3a84afa34ace79183 /include/linux/device-mapper.h
parent846785e6a5725de4f0788e78e101961566a77d2a (diff)
downloadlinux-1be5690984588953e759af0a4c6ddac182a1806c.tar.xz
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 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index f4c639c0c362..dec227acc13b 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -72,7 +72,7 @@ typedef void (*dm_release_clone_request_fn) (struct request *clone);
* 2 : The target wants to push back the io
*/
typedef int (*dm_endio_fn) (struct dm_target *ti,
- struct bio *bio, int error);
+ struct bio *bio, int *error);
typedef int (*dm_request_endio_fn) (struct dm_target *ti,
struct request *clone, int error,
union map_info *map_context);