diff options
| author | Peng Tao <tao.peng@primarydata.com> | 2015-09-25 20:24:39 +0200 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-10-15 22:08:33 +0200 |
| commit | a340abcf4173461f688292a6879b4d5bc781c2b1 (patch) | |
| tree | 30dc469f9535e3bd5c1882119212f1c06036cef8 /include/uapi | |
| parent | nfs42: respect clone_blksize (diff) | |
| download | linux-a340abcf4173461f688292a6879b4d5bc781c2b1.tar.xz linux-a340abcf4173461f688292a6879b4d5bc781c2b1.zip | |
nfs42: add NFS_IOC_CLONE_RANGE ioctl
It follows btrfs BTRFS_IOC_CLONE_RANGE lead on ioctl number and
arguments.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/nfs.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/uapi/linux/nfs.h b/include/uapi/linux/nfs.h index d85748d3564d..c6b86cc404f8 100644 --- a/include/uapi/linux/nfs.h +++ b/include/uapi/linux/nfs.h @@ -33,7 +33,14 @@ /* NFS ioctls */ /* Let's follow btrfs lead on CLONE to avoid messing userspace */ -#define NFS_IOC_CLONE _IOW(0x94, 9, int) +#define NFS_IOC_CLONE _IOW(0x94, 9, int) +#define NFS_IOC_CLONE_RANGE _IOW(0x94, 13, int) + +struct nfs_ioctl_clone_range_args { + __s64 src_fd; + __u64 src_off, count; + __u64 dst_off; +}; /* * NFS stats. The good thing with these values is that NFSv3 errors are |