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authorLinus Walleij <linus.walleij@linaro.org>2016-03-10 09:29:25 +0700
committerLinus Walleij <linus.walleij@linaro.org>2016-03-10 09:29:25 +0700
commitcc998d8bc74341f6bbbcd63ab4449a6acfc45ee9 (patch)
tree2f4e23fa1ceb83b3e720afd52d9a5ef2be26c77e /include/linux/blkdev.h
parentd2d13ed01362ecddc3f76f9cca31b0cd5d663a7e (diff)
parent81f70ba233d5f660e1ea5fe23260ee323af5d53a (diff)
Merge tag 'v4.5-rc5' into devel
Linux 4.5-rc5
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;