diff --git a/man2/ioctl_ficlonerange.2 b/man2/ioctl_ficlonerange.2 index 376f685c2..0cb15670e 100644 --- a/man2/ioctl_ficlonerange.2 +++ b/man2/ioctl_ficlonerange.2 @@ -117,13 +117,15 @@ Swap files cannot share storage. .B EOPNOTSUPP This can appear if the filesystem does not support reflinking either file descriptor. +.SH VERSIONS +These ioctl operations first appeared in Linux 4.5. +They were previously known as +.B BTRFS_IOC_CLONE +and +.BR BTRFS_IOC_CLONE_RANGE , +and were private to Btrfs. .SH CONFORMING TO This API is Linux-specific. -This ioctl was previously known as -.B BTRFS_IOC_CLONE_RANGE -and was private to Btrfs. -.fi -.in .SH NOTES Because a copy-on-write operation requires the allocation of new storage, the .BR fallocate (2)