diff options
| author |   Christoph Hellwig <hch@lst.de> | 2015-12-03 12:59:52 +0100 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2015-12-07 23:12:00 -0500 |
| commit | ffa0160a103917defd5d9c097ae0455a59166e03 (patch) | |
| tree | fd4eeefca064c0a072e214fde0262fe8dbbff8a4 /fs/nfsd/xdr4.h | |
| parent | nfsd: Pass filehandle to nfs4_preprocess_stateid_op() (diff) | |
| download | linux-dev-ffa0160a103917defd5d9c097ae0455a59166e03.tar.xz linux-dev-ffa0160a103917defd5d9c097ae0455a59166e03.zip | |
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/xdr4.h')
| -rw-r--r-- | fs/nfsd/xdr4.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h index ce7362c88b48..d9554813e58a 100644 --- a/fs/nfsd/xdr4.h +++ b/fs/nfsd/xdr4.h @@ -491,6 +491,15 @@ struct nfsd4_fallocate { u64 falloc_length; }; +struct nfsd4_clone { + /* request */ + stateid_t cl_src_stateid; + stateid_t cl_dst_stateid; + u64 cl_src_pos; + u64 cl_dst_pos; + u64 cl_count; +}; + struct nfsd4_seek { /* request */ stateid_t seek_stateid; @@ -555,6 +564,7 @@ struct nfsd4_op { /* NFSv4.2 */ struct nfsd4_fallocate allocate; struct nfsd4_fallocate deallocate; + struct nfsd4_clone clone; struct nfsd4_seek seek; } u; struct nfs4_replay * replay; |