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NFS: Return an error when starting the idmapping pipe

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Return an error when starting the idmapping pipe so that we can detect it
failing.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
David Howells 2006-08-22 20:06:09 -04:00 committed by Trond Myklebust
parent 7539bbab80
commit b7162792b5
3 changed files with 11 additions and 6 deletions
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12
fs/nfs/idmap.c
View File

@ -108,15 +108,17 @@ static struct rpc_pipe_ops idmap_upcall_ops = {
.destroy_msg = idmap_pipe_destroy_msg,
};
void
int
nfs_idmap_new(struct nfs_client *clp)
{
struct idmap *idmap;
int error;
if (clp->cl_idmap != NULL)
return;
return 0;
if ((idmap = kzalloc(sizeof(*idmap), GFP_KERNEL)) == NULL)
return;
return -ENOMEM;
snprintf(idmap->idmap_path, sizeof(idmap->idmap_path),
"%s/idmap", clp->cl_rpcclient->cl_pathname);
@ -124,8 +126,9 @@ nfs_idmap_new(struct nfs_client *clp)
idmap->idmap_dentry = rpc_mkpipe(idmap->idmap_path,
idmap, &idmap_upcall_ops, 0);
if (IS_ERR(idmap->idmap_dentry)) {
error = PTR_ERR(idmap->idmap_dentry);
kfree(idmap);
return;
return error;
}
mutex_init(&idmap->idmap_lock);
@ -135,6 +138,7 @@ nfs_idmap_new(struct nfs_client *clp)
idmap->idmap_group_hash.h_type = IDMAP_TYPE_GROUP;
clp->cl_idmap = idmap;
return 0;
}
void

3
fs/nfs/super.c
View File

@ -1136,7 +1136,8 @@ static struct rpc_clnt *nfs4_create_client(struct nfs_server *server,
clnt->cl_softrtry = 1;
clp->cl_rpcclient = clnt;
memcpy(clp->cl_ipaddr, server->ip_addr, sizeof(clp->cl_ipaddr));
nfs_idmap_new(clp);
if (nfs_idmap_new(clp) < 0)
goto out_fail;
}
list_add_tail(&server->nfs4_siblings, &clp->cl_superblocks);
clnt = rpc_clone_client(clp->cl_rpcclient);

2
include/linux/nfs_idmap.h
View File

@ -64,7 +64,7 @@ struct idmap_msg {
/* Forward declaration to make this header independent of others */
struct nfs_client;
void nfs_idmap_new(struct nfs_client *);
int nfs_idmap_new(struct nfs_client *);
void nfs_idmap_delete(struct nfs_client *);
int nfs_map_name_to_uid(struct nfs_client *, const char *, size_t, __u32 *);