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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-17 21:52:41 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-19 15:09:03 -0400 |
| commit | 9936781d0147e13cbc6df02f5265e0b9999ce3cf (patch) | |
| tree | a24b01b576cd04f5eb6b9f61da5cfed650d50603 /fs | |
| parent | 56659e9926ef5996398924c799ecac39ca8b6223 (diff) | |
| download | linux-3.10-9936781d0147e13cbc6df02f5265e0b9999ce3cf.tar.gz linux-3.10-9936781d0147e13cbc6df02f5265e0b9999ce3cf.tar.bz2 linux-3.10-9936781d0147e13cbc6df02f5265e0b9999ce3cf.zip | |
NFSv4: Try to recover from getfh failures in nfs4_xdr_dec_open
Try harder to recover the open state if the server failed to return a
filehandle.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 7 | ||||
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 8 |
2 files changed, 10 insertions, 5 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5f3689befc2..7ead63e065a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -66,6 +66,8 @@ static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception); static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs_client *clp); static int _nfs4_do_access(struct inode *inode, struct rpc_cred *cred, int openflags); +static int _nfs4_proc_lookup(struct inode *dir, const struct qstr *name, struct nfs_fh *fhandle, struct nfs_fattr *fattr); +static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr); /* Prevent leaks of NFSv4 errors into userland */ int nfs4_map_errors(int err) @@ -930,6 +932,9 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) if (status != 0 || !data->rpc_done) return status; + if (o_res->fh.size == 0) + _nfs4_proc_lookup(dir, o_arg->name, &o_res->fh, o_res->f_attr); + if (o_arg->open_flags & O_CREAT) { update_changeattr(dir, &o_res->cinfo); nfs_post_op_update_inode(dir, o_res->dir_attr); @@ -941,7 +946,7 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) return status; } if (!(o_res->f_attr->valid & NFS_ATTR_FATTR)) - return server->nfs_client->rpc_ops->getattr(server, &o_res->fh, o_res->f_attr); + _nfs4_proc_getattr(server, &o_res->fh, o_res->f_attr); return 0; } diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 99a123db108..af959147077 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -3161,11 +3161,12 @@ static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) uint32_t len; int status; + /* Zero handle first to allow comparisons */ + memset(fh, 0, sizeof(*fh)); + status = decode_op_hdr(xdr, OP_GETFH); if (status) return status; - /* Zero handle first to allow comparisons */ - memset(fh, 0, sizeof(*fh)); READ_BUF(4); READ32(len); @@ -4030,8 +4031,7 @@ static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openr status = decode_open(&xdr, res); if (status) goto out; - status = decode_getfh(&xdr, &res->fh); - if (status) + if (decode_getfh(&xdr, &res->fh) != 0) goto out; if (decode_getfattr(&xdr, res->f_attr, res->server) != 0) goto out; |