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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-14 14:25:59 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-14 14:25:59 -0800
commit1b79dff672ca09a5461cc1d46ad81c62137841c5 (patch)
tree772a4224c78aa20862511ae5f7272f9311e4811c /include/linux/blkdev.h
parent83050a4e21979fe1821916fce2fca36255569ed3 (diff)
parent18558cae0272f8fd9647e69d3fec1565a7949865 (diff)
Merge 4.5-rc4 into char-misc-next
We want those fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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;