Btrfs: Check INCOMPAT flags on remount and add helper function

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In support of the recently added capability to remount with lzo
compression, provide a helper function to check the compression
INCOMPAT flags when remounting with lzo compression, and set
the flags if necessary.

Also, implement the new helper function when defragmenting with
explicit lzo compression and when setting the default subvolume.

Signed-off-by: Mitch Harder <mitch.harder@sabayonlinux.org>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

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This commit is contained in:

Mitch Harder 2012-07-24 11:58:43 -06:00 • committed by Chris Mason

parent b478b2baa3

commit 2b0ce2c290

3 changed files with 20 additions and 14 deletions

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17

fs/btrfs/ctree.h

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16

fs/btrfs/ioctl.c

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1

fs/btrfs/super.c

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