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(parent: ced64ff) | patch
btrfs: allow dedupe of same inode
authorMark Fasheh <mfasheh@suse.de>
Tue, 30 Jun 2015 21:42:07 +0000 (14:42 -0700)
committerChris Mason <clm@fb.com>
Thu, 2 Jul 2015 00:17:15 +0000 (17:17 -0700)
commitc0363f7cf8d7f807fa5dc27ebe31c92b04f34fe0
treeec4ec4971f64f90c382f7d20d7de45e865870c3etree | snapshot
parentced64ff25f0ee82cbe6593843f6d365fb6f7dbd6commit | diff
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>
fs/btrfs/ioctl.c diff | blob | history
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