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authorDarrick J. Wong <darrick.wong@oracle.com>2016-10-03 19:11:40 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2016-10-06 02:26:25 +0300
commit9fe26045e98f8787999f6aa45aec35d16565c1bd (patch)
tree791ffd4dc32bdb8841339a15d9a197abd7b77c4c /tools/perf/scripts
parent862bb360ef569f625bcf700ae4b162a9c8fa9bba (diff)
downloadlinux-9fe26045e98f8787999f6aa45aec35d16565c1bd.tar.xz
xfs: add clone file and clone range vfs functions
Define two VFS functions which allow userspace to reflink a range of blocks between two files or to reflink one file's contents to another. These functions fit the new VFS ioctls that standardize the checking for the btrfs CLONE and CLONE RANGE ioctls. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
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