writeback: make wakeup_dirtytime_writeback() handle multiple bdi_writeback's

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wakeup_dirtytime_writeback() currently only starts writeback on the
root wb (bdi_writeback).  For cgroup writeback support, update the
function to check all wbs.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jan Kara <jack@suse.cz>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Tejun Heo 2015-05-22 17:13:56 -04:00 • committed by Jens Axboe

parent f2b6512160

commit 001fe6f617

1 changed files with 6 additions and 3 deletions

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fs/fs-writeback.c

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