writeback: make writeback_in_progress() take bdi_writeback instead of backing_dev_info

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writeback_in_progress() currently takes @bdi and returns whether
writeback is in progress on its root wb (bdi_writeback).  In
preparation for cgroup writeback support, make it take wb instead.
While at it, make it an inline function.

This patch doesn't make any functional difference.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Tejun Heo 2015-05-22 17:13:53 -04:00 • committed by Jens Axboe

parent a06fd6b102

commit bc05873dcc

3 changed files with 14 additions and 17 deletions

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12

include/linux/backing-dev.h

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