NFS: Don't pass mount data to nfs_fscache_get_super_cookie()
I intend on creating a single nfs_fs_mount() function used by all our
mount paths. To avoid checking between new mounts and clone mounts, I
instead pass both structures to a new function in super.c that finds the
cache key and then looks up the super cookie.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 75b1717..f56fb35 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2278,6 +2278,27 @@
return nfs_compare_mount_options(sb, server, mntflags);
}
+static void nfs_get_cache_cookie(struct super_block *sb,
+ struct nfs_parsed_mount_data *parsed,
+ struct nfs_clone_mount *cloned)
+{
+ char *uniq = NULL;
+ int ulen = 0;
+
+ if (parsed && parsed->fscache_uniq) {
+ uniq = parsed->fscache_uniq;
+ ulen = strlen(parsed->fscache_uniq);
+ } else if (cloned) {
+ struct nfs_server *mnt_s = NFS_SB(cloned->sb);
+ if (mnt_s->fscache_key) {
+ uniq = mnt_s->fscache_key->key.uniquifier;
+ ulen = mnt_s->fscache_key->key.uniq_len;
+ };
+ }
+
+ nfs_fscache_get_super_cookie(sb, uniq, ulen);
+}
+
static int nfs_bdi_register(struct nfs_server *server)
{
return bdi_register_dev(&server->backing_dev_info, server->s_dev);
@@ -2352,7 +2373,7 @@
if (!s->s_root) {
/* initial superblock/root creation */
nfs_fill_super(s, data);
- nfs_fscache_get_super_cookie(s, data->fscache_uniq, NULL);
+ nfs_get_cache_cookie(s, data, NULL);
}
mntroot = nfs_get_root(s, mntfh, dev_name);
@@ -2461,7 +2482,7 @@
if (!s->s_root) {
/* initial superblock/root creation */
nfs_clone_super(s, data->sb);
- nfs_fscache_get_super_cookie(s, NULL, data);
+ nfs_get_cache_cookie(s, NULL, data);
}
mntroot = nfs_get_root(s, data->fh, dev_name);
@@ -2724,7 +2745,7 @@
if (!s->s_root) {
/* initial superblock/root creation */
nfs4_fill_super(s);
- nfs_fscache_get_super_cookie(s, data->fscache_uniq, NULL);
+ nfs_get_cache_cookie(s, data, NULL);
}
mntroot = nfs_get_root(s, mntfh, dev_name);
@@ -2988,7 +3009,7 @@
if (!s->s_root) {
/* initial superblock/root creation */
nfs4_clone_super(s, data->sb);
- nfs_fscache_get_super_cookie(s, NULL, data);
+ nfs_get_cache_cookie(s, NULL, data);
}
mntroot = nfs_get_root(s, data->fh, dev_name);
@@ -3079,7 +3100,7 @@
if (!s->s_root) {
/* initial superblock/root creation */
nfs4_fill_super(s);
- nfs_fscache_get_super_cookie(s, NULL, data);
+ nfs_get_cache_cookie(s, NULL, data);
}
mntroot = nfs_get_root(s, mntfh, dev_name);