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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-09-23 13:24:10 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-09-23 13:24:10 -0700
commitdc4fea795bf7e3f80dbfa3a40b8ab89427e9aed5 (patch)
tree1926c96f145965c393a2c8ab523c327dd1a241cf /include/linux/blkdev.h
parentusbcore: fix read of usbdevfs_ctrltransfer fields in proc_control() (diff)
parentMerge tag 'staging-3.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging (diff)
Merge branch 'master' into usb-next
We have USB fixes now in Linus's tree that we need to properly sort out with reverts and the like in the usb-next branch, so merge them together and do it by hand. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 2fdb4a451b49..0e6f765aa1f5 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -862,6 +862,17 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq)
return blk_queue_get_max_sectors(q, rq->cmd_flags);
}
+static inline unsigned int blk_rq_count_bios(struct request *rq)
+{
+ unsigned int nr_bios = 0;
+ struct bio *bio;
+
+ __rq_for_each_bio(bio, rq)
+ nr_bios++;
+
+ return nr_bios;
+}
+
/*
* Request issue related functions.
*/