diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-12-03 14:59:52 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-08 07:12:00 +0300 |
| commit | ffa0160a103917defd5d9c097ae0455a59166e03 (patch) | |
| tree | fd4eeefca064c0a072e214fde0262fe8dbbff8a4 /fs/nfsd/vfs.h | |
| parent | aa0d6aed45ff48bd41439211f2bda1d54585aba3 (diff) | |
| download | linux-ffa0160a103917defd5d9c097ae0455a59166e03.tar.xz | |
nfsd: implement the NFSv4.2 CLONE operation
This is basically a remote version of the btrfs CLONE operation,
so the implementation is fairly trivial. Made even more trivial
by stealing the XDR code and general framework Anna Schumaker's
COPY prototype.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/nfsd/vfs.h')
| -rw-r--r-- | fs/nfsd/vfs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h index fcfc48cbe136..c11ba316f23f 100644 --- a/fs/nfsd/vfs.h +++ b/fs/nfsd/vfs.h @@ -56,6 +56,8 @@ __be32 nfsd4_set_nfs4_label(struct svc_rqst *, struct svc_fh *, struct xdr_netobj *); __be32 nfsd4_vfs_fallocate(struct svc_rqst *, struct svc_fh *, struct file *, loff_t, loff_t, int); +__be32 nfsd4_clone_file_range(struct file *, u64, struct file *, + u64, u64); #endif /* CONFIG_NFSD_V4 */ __be32 nfsd_create(struct svc_rqst *, struct svc_fh *, char *name, int len, struct iattr *attrs, |