fsnotify: turn fsnotify reaper thread into a workqueue job
authorJeff Layton <jlayton@poochiereds.net>
Wed, 17 Feb 2016 21:11:21 +0000 (13:11 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 19 Feb 2016 00:23:24 +0000 (16:23 -0800)
commitfa6a748fcd8864267c9e3d1b21dec11bc440a26e
tree973765405f04bda0739f6649b5cca78cac719ca7
parentf39f4627739a69ebb1cfa1bda05c026941b075cb
fsnotify: turn fsnotify reaper thread into a workqueue job

We don't require a dedicated thread for fsnotify cleanup.  Switch it
over to a workqueue job instead that runs on the system_unbound_wq.

In the interest of not thrashing the queued job too often when there are
a lot of marks being removed, we delay the reaper job slightly when
queueing it, to allow several to gather on the list.

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Tested-by: Eryu Guan <guaneryu@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Eric Paris <eparis@parisplace.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/notify/mark.c