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authorChristoph Hellwig <hch@lst.de>2014-09-13 16:40:08 -0700
committerJens Axboe <axboe@fb.com>2014-09-22 12:00:07 -0600
commitbf57229745f849e500ba69ff91e35bc8160a7373 (patch)
tree9b90e6c5b32e96b082ad5c135c22de2c9cc82b77 /include/linux/blk_types.h
parent6d11fb454b161a4565c57be6f1c5527235741003 (diff)
blk-mq: remove REQ_END
Pass an explicit parameter for the last request in a batch to ->queue_rq instead of using a request flag. Besides being a cleaner and non-stateful interface this is also required for the next patch, which fixes the blk-mq I/O submission code to not start a time too early. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/blk_types.h')
-rw-r--r--include/linux/blk_types.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 66c2167f04a9..bb7d66460e7a 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -188,7 +188,6 @@ enum rq_flag_bits {
__REQ_MIXED_MERGE, /* merge of different types, fail separately */
__REQ_KERNEL, /* direct IO to kernel pages */
__REQ_PM, /* runtime pm request */
- __REQ_END, /* last of chain of requests */
__REQ_HASHED, /* on IO scheduler merge hash */
__REQ_MQ_INFLIGHT, /* track inflight for MQ */
__REQ_NR_BITS, /* stops here */
@@ -242,7 +241,6 @@ enum rq_flag_bits {
#define REQ_SECURE (1ULL << __REQ_SECURE)
#define REQ_KERNEL (1ULL << __REQ_KERNEL)
#define REQ_PM (1ULL << __REQ_PM)
-#define REQ_END (1ULL << __REQ_END)
#define REQ_HASHED (1ULL << __REQ_HASHED)
#define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT)