btrfs-extent-same(8)        System Manager's Manual       btrfs-extent-same(8)

NAME
       btrfs-extent-same - directly access the FIDEDUPRANGE ioctl

SYNOPSIS
       btrfs-extent-same extent-len file1 offset1 file2 offset2 [...]

DESCRIPTION
       btrfs-extent-same is a wrapper around the FIDEDUPRANGE ioctl.
       extent-len and all offsets should be specified in bytes.

SEE ALSO
       o filesystems(5)

       o btrfs(8)

       o ioctl_fideduprange(2)

       o xfs_io(8)

btrfs-extent-same                 March 2014              btrfs-extent-same(8)