btrfs: Add high priority workqueue support for btrfs_workqueue_struct

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Add high priority function to btrfs_workqueue.

This is implemented by embedding a btrfs_workqueue into a
btrfs_workqueue and use some helper functions to differ the normal
priority wq and high priority wq.
So the high priority wq is completely independent from the normal
workqueue.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Tested-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>

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Qu Wenruo 2014-02-28 10:46:04 +08:00 • committed by Josef Bacik

parent 08a9ff3264

commit 1ca08976ae

2 changed files with 83 additions and 13 deletions

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93

fs/btrfs/async-thread.c

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5

fs/btrfs/async-thread.h

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