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authorIngo Molnar <mingo@elte.hu>2012-03-14 07:44:11 +0100
committerIngo Molnar <mingo@elte.hu>2012-03-14 07:44:11 +0100
commitcd593accdcc27ccbe6498d9ad1c2b6cc8e1d830d (patch)
tree9424d3ac86e753706cc6c3d7e6072d2a73711e29 /fs/bio.c
parent11b91d6fe7272452c999573bab33c15c2f03dc31 (diff)
parentfde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff)
downloadop-kernel-dev-cd593accdcc27ccbe6498d9ad1c2b6cc8e1d830d.zip
op-kernel-dev-cd593accdcc27ccbe6498d9ad1c2b6cc8e1d830d.tar.gz
Merge tag 'v3.3-rc7' into x86/mce
Merge reason: Update from an ancient -rc1 base to an almost-final stable kernel. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/bio.c')
-rw-r--r--fs/bio.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/bio.c b/fs/bio.c
index b1fe82c..b980ecd 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -505,13 +505,9 @@ EXPORT_SYMBOL(bio_clone);
int bio_get_nr_vecs(struct block_device *bdev)
{
struct request_queue *q = bdev_get_queue(bdev);
- int nr_pages;
-
- nr_pages = ((queue_max_sectors(q) << 9) + PAGE_SIZE - 1) >> PAGE_SHIFT;
- if (nr_pages > queue_max_segments(q))
- nr_pages = queue_max_segments(q);
-
- return nr_pages;
+ return min_t(unsigned,
+ queue_max_segments(q),
+ queue_max_sectors(q) / (PAGE_SIZE >> 9) + 1);
}
EXPORT_SYMBOL(bio_get_nr_vecs);
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