diff options
| author | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2014-11-07 22:44:27 +0300 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2014-11-08 00:20:15 +0300 |
| commit | b0cb9085239a20b7482ddd4839dd1d5476801dfa (patch) | |
| tree | b636c01e14d11b8f565d022334b43e54f99103e2 /fs/nfsd | |
| parent | 95d871f03cae6b49de040265cf88cbe2a16b9f05 (diff) | |
| download | linux-b0cb9085239a20b7482ddd4839dd1d5476801dfa.tar.xz | |
nfsd: Add DEALLOCATE support
DEALLOCATE only returns a status value, meaning we can use the noop()
xdr encoder to reply to the client.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 15 | ||||
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 2 | ||||
| -rw-r--r-- | fs/nfsd/xdr4.h | 1 |
3 files changed, 17 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index a261f1800922..74fb15eefc31 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -33,6 +33,7 @@ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <linux/file.h> +#include <linux/falloc.h> #include <linux/slab.h> #include "idmap.h" @@ -1044,6 +1045,14 @@ nfsd4_allocate(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, } static __be32 +nfsd4_deallocate(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_fallocate *fallocate) +{ + return nfsd4_fallocate(rqstp, cstate, fallocate, + FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE); +} + +static __be32 nfsd4_seek(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_seek *seek) { @@ -1965,6 +1974,12 @@ static struct nfsd4_operation nfsd4_ops[] = { .op_name = "OP_ALLOCATE", .op_rsize_bop = (nfsd4op_rsize)nfsd4_write_rsize, }, + [OP_DEALLOCATE] = { + .op_func = (nfsd4op_func)nfsd4_deallocate, + .op_flags = OP_MODIFIES_SOMETHING | OP_CACHEME, + .op_name = "OP_DEALLOCATE", + .op_rsize_bop = (nfsd4op_rsize)nfsd4_write_rsize, + }, [OP_SEEK] = { .op_func = (nfsd4op_func)nfsd4_seek, .op_name = "OP_SEEK", diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index a60cff86fc28..0622d4f4a9a2 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1624,7 +1624,7 @@ static nfsd4_dec nfsd4_dec_ops[] = { [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, + [OP_DEALLOCATE] = (nfsd4_dec)nfsd4_decode_fallocate, [OP_IO_ADVISE] = (nfsd4_dec)nfsd4_decode_notsupp, [OP_LAYOUTERROR] = (nfsd4_dec)nfsd4_decode_notsupp, [OP_LAYOUTSTATS] = (nfsd4_dec)nfsd4_decode_notsupp, diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h index eeaa0d0c4f79..90a5925bd6ab 100644 --- a/fs/nfsd/xdr4.h +++ b/fs/nfsd/xdr4.h @@ -494,6 +494,7 @@ struct nfsd4_op { /* NFSv4.2 */ struct nfsd4_fallocate allocate; + struct nfsd4_fallocate deallocate; struct nfsd4_seek seek; } u; struct nfs4_replay * replay; |