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

• filesystems(5)
• btrfs(8)
• ioctl_fideduprange(2)
• xfs_io(8)