commit | cc714660bb8b14dd897cd805bbcd8b76a7606289 | [log] [tgz] |
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author | Darrick J. Wong <darrick.wong@oracle.com> | Mon Oct 03 09:11:41 2016 -0700 |
committer | Darrick J. Wong <darrick.wong@oracle.com> | Wed Oct 05 16:26:26 2016 -0700 |
tree | 7c55c2dba94c899cc23f07e2333c99d2b9dc9313 | |
parent | 9fe26045e98f8787999f6aa45aec35d16565c1bd [diff] |
xfs: add dedupe range vfs function Define a VFS function which allows userspace to request that the kernel reflink a range of blocks between two files if the ranges' contents match. The function fits the new VFS ioctl that standardizes the checking for the btrfs EXTENT SAME ioctl. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de>