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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-19 17:02:01 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-19 17:02:01 -0700
commit10ce3cc919f50c2043b41ca968b43c26a3672600 (patch)
treeea409366a5208aced495bc0516a08b81fd43222e /fs/bio.c
parent24e3e5ae1e4c2a3a32f5b1f96b4e3fd721806acd (diff)
parent5c6a7a62c130afef3d61c1dee153012231ff5cd9 (diff)
Merge branch 'next' into for-linus
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 b1fe82cf88c..b980ecde026 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);