block_dev: avoid atomic ops in direct I/O unless necessary
authorChristoph Hellwig <hch@lst.de>
Wed, 16 Nov 2016 16:35:34 +0000 (17:35 +0100)
committerJens Axboe <axboe@fb.com>
Thu, 17 Nov 2016 06:33:10 +0000 (23:33 -0700)
commit7b3127b98b3c249f0c9e01a8cdcb5da04fc59d9a
tree87b21b1e16bb0ac01b6d437535b7e3ec7fb92e37
parent39ebe60daa659cc111d279a84b48ffb71a5c6786
block_dev: avoid atomic ops in direct I/O unless necessary

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
fs/block_dev.c