directio: add block polling support
authorJens Axboe <axboe@fb.com>
Tue, 27 Oct 2015 05:09:51 +0000 (14:09 +0900)
committerJens Axboe <axboe@fb.com>
Sat, 7 Nov 2015 17:40:47 +0000 (10:40 -0700)
commit15c4f638f3d41bae52105ca4c0c8760afbcbeaab
tree4de68193b0c318d6b1b00ec2a06ae40c8ec8069e
parenta0fa9647a54e81883abd57c5c865d1747f68a577
directio: add block polling support

This adds support for sync O_DIRECT read/write poll support.

Signed-off-by: Jens Axboe <axboe@fb.com>
[hch: split from a larger patch, minor updates]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
fs/direct-io.c