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)
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

Simple merge