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authorChristoph Hellwig <hch@lst.de>2017-04-26 10:40:39 +0300
committerMike Snitzer <snitzer@redhat.com>2017-05-02 01:19:03 +0300
commit412445acb6cad4cef026daae37c4765fb9942c60 (patch)
tree52b970ffec3a57e313473e67205729a696c743ec /include/linux/device-mapper.h
parent7ed8578a96ad98231d8bf6388f776e034673e18a (diff)
downloadlinux-412445acb6cad4cef026daae37c4765fb9942c60.tar.xz
dm: introduce a new DM_MAPIO_KILL return value
This untangles the DM_MAPIO_* values returned from ->clone_and_map_rq from the error codes used by the block layer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 5a02fc0ff311..78ad0624cdae 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -604,6 +604,7 @@ extern struct ratelimit_state dm_ratelimit_state;
#define DM_MAPIO_REMAPPED 1
#define DM_MAPIO_REQUEUE DM_ENDIO_REQUEUE
#define DM_MAPIO_DELAY_REQUEUE 3
+#define DM_MAPIO_KILL 4
#define dm_sector_div64(x, y)( \
{ \