Btrfs: add ioctl to wait for qgroup rescan completion

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btrfs_qgroup_wait_for_completion waits until the currently running qgroup
operation completes. It returns immediately when no rescan process is in
progress. This is useful to automate things around the rescan process (e.g.
testing).

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

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Jan Schmidt 2013-05-06 19:14:17 +00:00 • committed by Josef Bacik

parent 1e8f915868

commit 57254b6ebc

4 changed files with 36 additions and 0 deletions

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2

fs/btrfs/ctree.h

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12

fs/btrfs/ioctl.c

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21

fs/btrfs/qgroup.c

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1

include/uapi/linux/btrfs.h

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