writeback: propagate the various reasons for writeback
authorJens Axboe <axboe@fb.com>
Wed, 23 Mar 2016 03:49:20 +0000 (21:49 -0600)
committerJens Axboe <axboe@fb.com>
Wed, 23 Mar 2016 14:35:57 +0000 (08:35 -0600)
commit7ee6886699d4c425beac1ac5b57226ee0af35fa7
treefc483349ecf3a8a705feb8e7422155cb36f7fb4f
parenta24e3d414e59ac76566dedcad1ed1d319a93ec14
writeback: propagate the various reasons for writeback

Avoid losing context by propagating the various reason why we
initiate writeback.

Signed-off-by: Jens Axboe <axboe@fb.com>
fs/fs-writeback.c