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authorMark Fasheh <mfasheh@suse.de>2015-06-30 14:42:07 -0700
committerChris Mason <clm@fb.com>2015-07-01 17:17:15 -0700
commit0efa9f48c7e6c15e75946dd2b1c82d3d19e13545 (patch)
treeec4ec4971f64f90c382f7d20d7de45e865870c3e /fs/ubifs
parentf441460202cb787c49963bcc1f54cb48c52f7512 (diff)
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btrfs: allow dedupe of same inode
clone() supports cloning within an inode so extent-same can do the same now. This patch fixes up the locking in extent-same to know about the single-inode case. In addition to that, we add a check for overlapping ranges, which clone does not allow. Signed-off-by: Mark Fasheh <mfasheh@suse.de> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
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