tree 6d4a89d91174c334881d9224bfcf9752ae75c8d3
parent bc3913a5378cd0ddefd1dfec6917cc12eb23a946
author Linus Torvalds <torvalds@linux-foundation.org> 1481069894 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1481127815 -0800

Don't feed anything but regular iovec's to blk_rq_map_user_iov

In theory we could map other things, but there's a reason that function
is called "user_iov".  Using anything else (like splice can do) just
confuses it.

Reported-and-tested-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>