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| author | J. Bruce Fields <bfields@redhat.com> | 2011-01-11 10:28:36 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2011-01-11 15:02:19 -0500 |
| commit | a2c50f69168deec3f7e47644eb4ef4f8a3ee6910 (patch) | |
| tree | 987197653dcdbf3d33a7c678dbef9cc884f36afa /include/linux/blkdev.h | |
| parent | 8c3df3e58cde676de4df9363c00f37dbfce08e5c (diff) | |
| parent | 3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5 (diff) | |
| download | cachepc-linux-a2c50f69168deec3f7e47644eb4ef4f8a3ee6910.tar.gz cachepc-linux-a2c50f69168deec3f7e47644eb4ef4f8a3ee6910.zip | |
Merge commit 'v2.6.37' into for-2.6.38-incoming
I made a slight mess of Documentation/filesystems/Locking; resolve
conflicts with upstream before fixing it up.
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index aae86fd10c4f..36ab42c9bb99 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -250,7 +250,7 @@ struct queue_limits { unsigned char misaligned; unsigned char discard_misaligned; - unsigned char no_cluster; + unsigned char cluster; signed char discard_zeroes_data; }; @@ -380,7 +380,6 @@ struct request_queue #endif }; -#define QUEUE_FLAG_CLUSTER 0 /* cluster several segments into 1 */ #define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */ #define QUEUE_FLAG_STOPPED 2 /* queue is stopped */ #define QUEUE_FLAG_SYNCFULL 3 /* read queue has been filled */ @@ -403,7 +402,6 @@ struct request_queue #define QUEUE_FLAG_SECDISCARD 19 /* supports SECDISCARD */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ - (1 << QUEUE_FLAG_CLUSTER) | \ (1 << QUEUE_FLAG_STACKABLE) | \ (1 << QUEUE_FLAG_SAME_COMP) | \ (1 << QUEUE_FLAG_ADD_RANDOM)) @@ -510,6 +508,11 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define rq_data_dir(rq) ((rq)->cmd_flags & 1) +static inline unsigned int blk_queue_cluster(struct request_queue *q) +{ + return q->limits.cluster; +} + /* * We regard a request as sync, if either a read or a sync write */ @@ -805,6 +808,7 @@ extern struct request_queue *blk_init_allocated_queue(struct request_queue *, extern void blk_cleanup_queue(struct request_queue *); extern void blk_queue_make_request(struct request_queue *, make_request_fn *); extern void blk_queue_bounce_limit(struct request_queue *, u64); +extern void blk_limits_max_hw_sectors(struct queue_limits *, unsigned int); extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int); extern void blk_queue_max_segments(struct request_queue *, unsigned short); extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); |