[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>
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 604f231..d4c1dd0 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -180,6 +180,7 @@
__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 @@
#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 @@
int ref_count;
request_queue_t *q;
- struct request_list *rl;
void *special;
char *buffer;