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authorLinus Torvalds <torvalds@g5.osdl.org>2005-10-28 11:56:34 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-28 11:56:34 -0400
commit5dd962494f76fb3ef1196cd420b5d6260d7a3766 (patch)
treef6eda4fcea880e420420a2886b84ad35a6b00f28 /include/linux/blkdev.h
parent28d721e24c88496ff8e9c4a0959bdc1415c0658e (diff)
parent772eca7825358f52cf208afd7ab8ce22722ce41a (diff)
Merge branch 'elevator-switch' of git://brick.kernel.dk/data/git/linux-2.6-block
Manual fixup for trivial "gfp_t" changes.
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h10
1 files changed, 4 insertions, 6 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index fffe163316aa..025a7f084dbd 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -107,9 +107,9 @@ typedef void (rq_end_io_fn)(struct request *);
107struct request_list { 107struct request_list {
108 int count[2]; 108 int count[2];
109 int starved[2]; 109 int starved[2];
110 int elvpriv;
110 mempool_t *rq_pool; 111 mempool_t *rq_pool;
111 wait_queue_head_t wait[2]; 112 wait_queue_head_t wait[2];
112 wait_queue_head_t drain;
113}; 113};
114 114
115#define BLK_MAX_CDB 16 115#define BLK_MAX_CDB 16
@@ -211,6 +211,7 @@ enum rq_flag_bits {
211 __REQ_STARTED, /* drive already may have started this one */ 211 __REQ_STARTED, /* drive already may have started this one */
212 __REQ_DONTPREP, /* don't call prep for this one */ 212 __REQ_DONTPREP, /* don't call prep for this one */
213 __REQ_QUEUED, /* uses queueing */ 213 __REQ_QUEUED, /* uses queueing */
214 __REQ_ELVPRIV, /* elevator private data attached */
214 /* 215 /*
215 * for ATA/ATAPI devices 216 * for ATA/ATAPI devices
216 */ 217 */
@@ -244,6 +245,7 @@ enum rq_flag_bits {
244#define REQ_STARTED (1 << __REQ_STARTED) 245#define REQ_STARTED (1 << __REQ_STARTED)
245#define REQ_DONTPREP (1 << __REQ_DONTPREP) 246#define REQ_DONTPREP (1 << __REQ_DONTPREP)
246#define REQ_QUEUED (1 << __REQ_QUEUED) 247#define REQ_QUEUED (1 << __REQ_QUEUED)
248#define REQ_ELVPRIV (1 << __REQ_ELVPRIV)
247#define REQ_PC (1 << __REQ_PC) 249#define REQ_PC (1 << __REQ_PC)
248#define REQ_BLOCK_PC (1 << __REQ_BLOCK_PC) 250#define REQ_BLOCK_PC (1 << __REQ_BLOCK_PC)
249#define REQ_SENSE (1 << __REQ_SENSE) 251#define REQ_SENSE (1 << __REQ_SENSE)
@@ -413,8 +415,6 @@ struct request_queue
413 unsigned int sg_reserved_size; 415 unsigned int sg_reserved_size;
414 int node; 416 int node;
415 417
416 struct list_head drain_list;
417
418 /* 418 /*
419 * reserved for flush operations 419 * reserved for flush operations
420 */ 420 */
@@ -442,7 +442,7 @@ enum {
442#define QUEUE_FLAG_DEAD 5 /* queue being torn down */ 442#define QUEUE_FLAG_DEAD 5 /* queue being torn down */
443#define QUEUE_FLAG_REENTER 6 /* Re-entrancy avoidance */ 443#define QUEUE_FLAG_REENTER 6 /* Re-entrancy avoidance */
444#define QUEUE_FLAG_PLUGGED 7 /* queue is plugged */ 444#define QUEUE_FLAG_PLUGGED 7 /* queue is plugged */
445#define QUEUE_FLAG_DRAIN 8 /* draining queue for sched switch */ 445#define QUEUE_FLAG_ELVSWITCH 8 /* don't use elevator, just do FIFO */
446#define QUEUE_FLAG_FLUSH 9 /* doing barrier flush sequence */ 446#define QUEUE_FLAG_FLUSH 9 /* doing barrier flush sequence */
447 447
448#define blk_queue_plugged(q) test_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags) 448#define blk_queue_plugged(q) test_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags)
@@ -668,8 +668,6 @@ extern void blk_dump_rq_flags(struct request *, char *);
668extern void generic_unplug_device(request_queue_t *); 668extern void generic_unplug_device(request_queue_t *);
669extern void __generic_unplug_device(request_queue_t *); 669extern void __generic_unplug_device(request_queue_t *);
670extern long nr_blockdev_pages(void); 670extern long nr_blockdev_pages(void);
671extern void blk_wait_queue_drained(request_queue_t *, int);
672extern void blk_finish_queue_drain(request_queue_t *);
673 671
674int blk_get_queue(request_queue_t *); 672int blk_get_queue(request_queue_t *);
675request_queue_t *blk_alloc_queue(gfp_t); 673request_queue_t *blk_alloc_queue(gfp_t);