[PATCH] Remove struct request_list from struct request

It is always identical to &q->rq, and we only use it for detecting
whether this request came out of our mempool or not. So replace it
with an additional ->flags bit flag.

Signed-off-by: Jens Axboe <axboe@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 604f23189097..d4c1dd046e27 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -180,6 +180,7 @@ enum rq_flag_bits {
         __REQ_PREEMPT,          /* set for "ide_preempt" requests */
         __REQ_ORDERED_COLOR,    /* is before or after barrier */
         __REQ_RW_SYNC,          /* request is sync (O_DIRECT) */
+        __REQ_ALLOCED,          /* request came from our alloc pool */
         __REQ_NR_BITS,          /* stops here */
 };
 
@@ -199,6 +200,7 @@ enum rq_flag_bits {
 #define REQ_PREEMPT     (1 << __REQ_PREEMPT)
 #define REQ_ORDERED_COLOR       (1 << __REQ_ORDERED_COLOR)
 #define REQ_RW_SYNC     (1 << __REQ_RW_SYNC)
+#define REQ_ALLOCED     (1 << __REQ_ALLOCED)
 
 #define BLK_MAX_CDB     16
 
@@ -264,7 +266,6 @@ struct request {
 
         int ref_count;
         request_queue_t *q;
-        struct request_list *rl;
 
         void *special;
         char *buffer;