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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-01 09:00:29 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-01 09:00:29 -0800
commitb1bf9368407ae7e89d8a005bb40beb70a41df539 (patch)
tree3815c8aab19c6c186736673c624fef5f3faab716 /block/blk-merge.c
parent524df55725217b13d5a232fb5badb5846418ea0e (diff)
parent4671a1322052425afa38fcb7980d2fd2bb0fc99b (diff)
Merge branch 'for-2.6.34' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.34' of git://git.kernel.dk/linux-2.6-block: (38 commits) block: don't access jiffies when initialising io_context cfq: remove 8 bytes of padding from cfq_rb_root on 64 bit builds block: fix for "Consolidate phys_segment and hw_segment limits" cfq-iosched: quantum check tweak blktrace: perform cleanup after setup error blkdev: fix merge_bvec_fn return value checks cfq-iosched: requests "in flight" vs "in driver" clarification cciss: Fix problem with scatter gather elements in the scsi half of the driver cciss: eliminate unnecessary pointer use in cciss scsi code cciss: do not use void pointer for scsi hba data cciss: factor out scatter gather chain block mapping code cciss: fix scatter gather chain block dma direction kludge cciss: simplify scatter gather code cciss: factor out scatter gather chain block allocation and freeing cciss: detect bad alignment of scsi commands at build time cciss: clarify command list padding calculation cfq-iosched: rethink seeky detection for SSDs cfq-iosched: rework seeky detection block: remove padding from io_context on 64bit builds block: Consolidate phys_segment and hw_segment limits ...
Diffstat (limited to 'block/blk-merge.c')
-rw-r--r--block/blk-merge.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 99cb5cf1f44..5e7dc997345 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -206,8 +206,7 @@ static inline int ll_new_hw_segment(struct request_queue *q,
{
int nr_phys_segs = bio_phys_segments(q, bio);
- if (req->nr_phys_segments + nr_phys_segs > queue_max_hw_segments(q) ||
- req->nr_phys_segments + nr_phys_segs > queue_max_phys_segments(q)) {
+ if (req->nr_phys_segments + nr_phys_segs > queue_max_segments(q)) {
req->cmd_flags |= REQ_NOMERGE;
if (req == q->last_merge)
q->last_merge = NULL;
@@ -300,10 +299,7 @@ static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
total_phys_segments--;
}
- if (total_phys_segments > queue_max_phys_segments(q))
- return 0;
-
- if (total_phys_segments > queue_max_hw_segments(q))
+ if (total_phys_segments > queue_max_segments(q))
return 0;
/* Merge is OK... */