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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 10:33:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 10:33:36 -0700 |
| commit | 096a705bbc080a4041636d07514560da8d78acbe (patch) | |
| tree | 38c3c01225709ffa53419083ea6332f8a72610de /block/elevator.c | |
| parent | fea80311a939a746533a6d7e7c3183729d6a3faf (diff) | |
| parent | 5757a6d76cdf6dda2a492c09b985c015e86779b1 (diff) | |
Merge branch 'for-3.1/core' of git://git.kernel.dk/linux-block
* 'for-3.1/core' of git://git.kernel.dk/linux-block: (24 commits)
block: strict rq_affinity
backing-dev: use synchronize_rcu_expedited instead of synchronize_rcu
block: fix patch import error in max_discard_sectors check
block: reorder request_queue to remove 64 bit alignment padding
CFQ: add think time check for group
CFQ: add think time check for service tree
CFQ: move think time check variables to a separate struct
fixlet: Remove fs_excl from struct task.
cfq: Remove special treatment for metadata rqs.
block: document blk_plug list access
block: avoid building too big plug list
compat_ioctl: fix make headers_check regression
block: eliminate potential for infinite loop in blkdev_issue_discard
compat_ioctl: fix warning caused by qemu
block: flush MEDIA_CHANGE from drivers on close(2)
blk-throttle: Make total_nr_queued unsigned
block: Add __attribute__((format(printf...) and fix fallout
fs/partitions/check.c: make local symbols static
block:remove some spare spaces in genhd.c
block:fix the comment error in blkdev.h
...
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/block/elevator.c b/block/elevator.c index b0b38ce0dcb..a3b64bc71d8 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -353,7 +353,7 @@ static struct request *elv_rqhash_find(struct request_queue *q, sector_t offset) * RB-tree support functions for inserting/lookup/removal of requests * in a sorted RB tree. */ -struct request *elv_rb_add(struct rb_root *root, struct request *rq) +void elv_rb_add(struct rb_root *root, struct request *rq) { struct rb_node **p = &root->rb_node; struct rb_node *parent = NULL; @@ -365,15 +365,12 @@ struct request *elv_rb_add(struct rb_root *root, struct request *rq) if (blk_rq_pos(rq) < blk_rq_pos(__rq)) p = &(*p)->rb_left; - else if (blk_rq_pos(rq) > blk_rq_pos(__rq)) + else if (blk_rq_pos(rq) >= blk_rq_pos(__rq)) p = &(*p)->rb_right; - else - return __rq; } rb_link_node(&rq->rb_node, parent, p); rb_insert_color(&rq->rb_node, root); - return NULL; } EXPORT_SYMBOL(elv_rb_add); |