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authorGrant Likely <grant.likely@secretlab.ca>2012-02-28 13:48:58 -0600
committerGrant Likely <grant.likely@secretlab.ca>2012-02-28 13:48:58 -0600
commitb3950d50cfc343b3e7dc5c69c96a61b182fd1e37 (patch)
treed54affae2b1e25464493b48aa88cd8d6b4770812 /fs/bio.c
parentdaefd89efc279b142bbb054577c2d706da211723 (diff)
parent280ad7fda5f95211857fda38960f2b6fdf6edd3e (diff)
downloadlinux-next-b3950d50cfc343b3e7dc5c69c96a61b182fd1e37.tar.gz
Merge branch 'irqdomain/next' into gpio/next
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 b1fe82cf88cf..b980ecde026a 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);