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linux/block/blk-map.c
Linus Torvalds a0ac402cfc 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>
2016-12-07 08:23:35 -08:00

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