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authorIngo Molnar <mingo@kernel.org>2016-02-13 08:30:07 +0100
committerIngo Molnar <mingo@kernel.org>2016-02-13 08:30:07 +0100
commite2d6f8a5f596b1f09839990b11a3c2e0c9f0dbc2 (patch)
tree7ccf35788cbb9def996204399f079366da251361 /include/linux/blkdev.h
parentfed0764fafd8e2e629a033c0f7df4106b0dcb7f0 (diff)
parent0cbb0b92689a1c4e0ac55f6188be563a813ac808 (diff)
Merge branch 'linus' into locking/core, to resolve conflicts
Conflicts: kernel/locking/lockdep.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 29189aeace19..4571ef1a12a9 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -682,9 +682,12 @@ static inline bool blk_write_same_mergeable(struct bio *a, struct bio *b)
/*
* q->prep_rq_fn return values
*/
-#define BLKPREP_OK 0 /* serve it */
-#define BLKPREP_KILL 1 /* fatal error, kill */
-#define BLKPREP_DEFER 2 /* leave on queue */
+enum {
+ BLKPREP_OK, /* serve it */
+ BLKPREP_KILL, /* fatal error, kill, return -EIO */
+ BLKPREP_DEFER, /* leave on queue */
+ BLKPREP_INVALID, /* invalid command, kill, return -EREMOTEIO */
+};
extern unsigned long blk_max_low_pfn, blk_max_pfn;