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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 09:11:41 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-05 16:26:26 -0700 |
| commit | cc714660bb8b14dd897cd805bbcd8b76a7606289 (patch) | |
| tree | 7c55c2dba94c899cc23f07e2333c99d2b9dc9313 /fs/xfs/xfs_export.c | |
| parent | 9fe26045e98f8787999f6aa45aec35d16565c1bd (diff) | |
| download | linux-cc714660bb8b14dd897cd805bbcd8b76a7606289.tar.gz linux-cc714660bb8b14dd897cd805bbcd8b76a7606289.tar.bz2 linux-cc714660bb8b14dd897cd805bbcd8b76a7606289.zip | |
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>
Diffstat (limited to 'fs/xfs/xfs_export.c')
0 files changed, 0 insertions, 0 deletions