btrfs: add support for passing in write hints for buffered writes
authorJens Axboe <axboe@kernel.dk>
Tue, 27 Jun 2017 17:51:28 +0000 (11:51 -0600)
committerJens Axboe <axboe@kernel.dk>
Tue, 27 Jun 2017 18:05:52 +0000 (12:05 -0600)
commite6959b9350c6135b260d7b561153d9ad6c5d49ff
tree71a2e4ea750967c1bc96f3d770e0b1dd7f09b0af
parent31d7d58dcc228004fcd360448004e999d0bfb8f1
btrfs: add support for passing in write hints for buffered writes

Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Chris Mason <clm@fb.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/btrfs/extent_io.c