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-rw-r--r--fs/nfs/client.c2
-rw-r--r--fs/nfs/internal.h1
-rw-r--r--fs/nfs/super.c25
3 files changed, 28 insertions, 0 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 726fe5a845b..75c9cd2aa11 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -765,6 +765,7 @@ static int nfs_init_server(struct nfs_server *server,
/* Initialise the client representation from the mount data */
server->flags = data->flags;
+ server->options = data->options;
if (data->rsize)
server->rsize = nfs_block_size(data->rsize, NULL);
@@ -1153,6 +1154,7 @@ static int nfs4_init_server(struct nfs_server *server,
/* Initialise the client representation from the mount data */
server->flags = data->flags;
server->caps |= NFS_CAP_ATOMIC_OPEN;
+ server->options = data->options;
/* Get a client record */
error = nfs4_set_client(server,
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 013070000c3..e4d6a8348ad 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -39,6 +39,7 @@ struct nfs_parsed_mount_data {
int acregmin, acregmax,
acdirmin, acdirmax;
int namlen;
+ unsigned int options;
unsigned int bsize;
unsigned int auth_flavor_len;
rpc_authflavor_t auth_flavors[1];
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index b5fea776a0d..82eaadbff40 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -77,6 +77,7 @@ enum {
Opt_rdirplus, Opt_nordirplus,
Opt_sharecache, Opt_nosharecache,
Opt_resvport, Opt_noresvport,
+ Opt_fscache, Opt_nofscache,
/* Mount options that take integer arguments */
Opt_port,
@@ -94,6 +95,7 @@ enum {
Opt_sec, Opt_proto, Opt_mountproto, Opt_mounthost,
Opt_addr, Opt_mountaddr, Opt_clientaddr,
Opt_lookupcache,
+ Opt_fscache_uniq,
/* Special mount options */
Opt_userspace, Opt_deprecated, Opt_sloppy,
@@ -133,6 +135,9 @@ static const match_table_t nfs_mount_option_tokens = {
{ Opt_nosharecache, "nosharecache" },
{ Opt_resvport, "resvport" },
{ Opt_noresvport, "noresvport" },
+ { Opt_fscache, "fsc" },
+ { Opt_fscache_uniq, "fsc=%s" },
+ { Opt_nofscache, "nofsc" },
{ Opt_port, "port=%u" },
{ Opt_rsize, "rsize=%u" },
@@ -564,6 +569,8 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
if (clp->rpc_ops->version == 4)
seq_printf(m, ",clientaddr=%s", clp->cl_ipaddr);
#endif
+ if (nfss->options & NFS_OPTION_FSCACHE)
+ seq_printf(m, ",fsc");
}
/*
@@ -1056,6 +1063,24 @@ static int nfs_parse_mount_options(char *raw,
case Opt_noresvport:
mnt->flags |= NFS_MOUNT_NORESVPORT;
break;
+ case Opt_fscache:
+ mnt->options |= NFS_OPTION_FSCACHE;
+ kfree(mnt->fscache_uniq);
+ mnt->fscache_uniq = NULL;
+ break;
+ case Opt_nofscache:
+ mnt->options &= ~NFS_OPTION_FSCACHE;
+ kfree(mnt->fscache_uniq);
+ mnt->fscache_uniq = NULL;
+ break;
+ case Opt_fscache_uniq:
+ string = match_strdup(args);
+ if (!string)
+ goto out_nomem;
+ kfree(mnt->fscache_uniq);
+ mnt->fscache_uniq = string;
+ mnt->options |= NFS_OPTION_FSCACHE;
+ break;
/*
* options that take numeric values