btrfs: abtract out range locking in clone ioctl()

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The range locking in btrfs_ioctl_clone is trivially broken out into it's own
function. This reduces the complexity of btrfs_ioctl_clone() by a small bit
and makes that locking code available to future functions in
fs/btrfs/ioctl.c

Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

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Mark Fasheh 2013-08-06 11:42:48 -07:00 • committed by Chris Mason

parent a4fdb61e81

commit 77fe20dc62

1 changed files with 21 additions and 15 deletions

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36

fs/btrfs/ioctl.c

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