Btrfs: add permission checks to the ioctls

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Only root can add/remove devices
Only root can defrag subtrees
Only files open for writing can be defragged
Only files open for writing can be the destination for a clone

Signed-off-by: Chris Mason <chris.mason@oracle.com>

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This commit is contained in:

Chris Mason 2009-01-05 16:57:23 -05:00

parent b34b086c1c

commit e441d54de4

2 changed files with 26 additions and 2 deletions

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25

fs/btrfs/ioctl.c

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3

fs/btrfs/super.c

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