writeback: explain why @inode is allowed to be NULL for inode_congested()
authorTejun Heo <tj@kernel.org>
Tue, 18 Aug 2015 21:54:54 +0000 (14:54 -0700)
committerJens Axboe <axboe@fb.com>
Tue, 18 Aug 2015 22:49:15 +0000 (15:49 -0700)
commit60292bcc1b240a6708aa531c8ece1da2a78d560a
tree157569f5e11606542823dae9480e0a915e9a4e2d
parent8a1270cda7b473c8ea71a7a44613465fe0708488
writeback: explain why @inode is allowed to be NULL for inode_congested()

Signed-off-by: Tejun Heo <tj@kernel.org>
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
fs/fs-writeback.c