From c4f9c619fed9c48a16fb6cbcefb0585fc1e57820 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Wed, 8 Jun 2016 12:19:19 +0200 Subject: [PATCH] ioctl_ficlonerange.2: Add VERSIONS section Signed-off-by: Michael Kerrisk --- man2/ioctl_ficlonerange.2 | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) 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)