diff options
| author | Anna Schumaker | 2014-11-07 20:44:26 +0100 |
|---|---|---|
| committer | J. Bruce Fields | 2014-11-07 22:19:49 +0100 |
| commit | 95d871f03cae6b49de040265cf88cbe2a16b9f05 (patch) | |
| tree | 911d8bed4226e4e87e1411145c7fe0e275dea545 /fs/nfsd/nfs4xdr.c | |
| parent | VFS: Rename do_fallocate() to vfs_fallocate() (diff) | |
| download | kernel-qcow2-linux-95d871f03cae6b49de040265cf88cbe2a16b9f05.tar.gz kernel-qcow2-linux-95d871f03cae6b49de040265cf88cbe2a16b9f05.tar.xz kernel-qcow2-linux-95d871f03cae6b49de040265cf88cbe2a16b9f05.zip | |
nfsd: Add ALLOCATE support
The ALLOCATE operation is used to preallocate space in a file. I can do
this by using vfs_fallocate() to do the actual preallocation.
ALLOCATE only returns a status indicator, so we don't need to write a
special encode() function.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index eeea7a90eb87..a60cff86fc28 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1514,6 +1514,23 @@ static __be32 nfsd4_decode_reclaim_complete(struct nfsd4_compoundargs *argp, str } static __be32 +nfsd4_decode_fallocate(struct nfsd4_compoundargs *argp, + struct nfsd4_fallocate *fallocate) +{ + DECODE_HEAD; + + status = nfsd4_decode_stateid(argp, &fallocate->falloc_stateid); + if (status) + return status; + + READ_BUF(16); + p = xdr_decode_hyper(p, &fallocate->falloc_offset); + xdr_decode_hyper(p, &fallocate->falloc_length); + + DECODE_TAIL; +} + +static __be32 nfsd4_decode_seek(struct nfsd4_compoundargs *argp, struct nfsd4_seek *seek) { DECODE_HEAD; @@ -1604,7 +1621,7 @@ static nfsd4_dec nfsd4_dec_ops[] = { [OP_RECLAIM_COMPLETE] = (nfsd4_dec)nfsd4_decode_reclaim_complete, /* new operations for NFSv4.2 */ - [OP_ALLOCATE] = (nfsd4_dec)nfsd4_decode_notsupp, + [OP_ALLOCATE] = (nfsd4_dec)nfsd4_decode_fallocate, [OP_COPY] = (nfsd4_dec)nfsd4_decode_notsupp, [OP_COPY_NOTIFY] = (nfsd4_dec)nfsd4_decode_notsupp, [OP_DEALLOCATE] = (nfsd4_dec)nfsd4_decode_notsupp, |