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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2016-02-04 21:37:52 -0800
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2016-02-04 21:37:52 -0800
commit12ffbbe94d8c0186daccc2e61d5ff87b15aa7bc6 (patch)
treeb8fe38b24a2070d5b0cb2279f86e98b6dce98c46 /include
parentMerge remote-tracking branch 'mkp-scsi/4.5/scsi-fixes' into fixes (diff)
parentblock/sd: Return -EREMOTEIO when WRITE SAME and DISCARD are disabled (diff)
downloadlinux-dev-12ffbbe94d8c0186daccc2e61d5ff87b15aa7bc6.tar.xz
linux-dev-12ffbbe94d8c0186daccc2e61d5ff87b15aa7bc6.zip
Merge remote-tracking branch 'mkp-scsi/4.5/scsi-fixes' into fixes
Diffstat (limited to 'include')
-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;