btrfs: qgroup: Introduce new functions to reserve/free metadata

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Introduce new functions btrfs_qgroup_reserve/free_meta() to reserve/free
metadata reserved space.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>

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Qu Wenruo 2015-09-08 17:08:38 +08:00 • committed by Chris Mason

parent 297d750b9f

commit 55eeaf0578

4 changed files with 48 additions and 0 deletions

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3

fs/btrfs/ctree.h

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1

fs/btrfs/disk-io.c

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40

fs/btrfs/qgroup.c

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4

fs/btrfs/qgroup.h

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