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fs: simplify handling of zero sized reads in __blockdev_direct_IO
authorChristoph Hellwig <hch@infradead.org>
Fri, 24 Jun 2011 18:29:42 +0000 (14:29 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Thu, 21 Jul 2011 00:47:45 +0000 (20:47 -0400)
Reject zero sized reads as soon as we know our I/O length, and don't
borther with locks or allocations that might have to be cleaned up
otherwise.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/direct-io.c patch | blob | history

diff --cc fs/direct-io.c
Simple merge
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