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authorBryan Schumaker <bjschuma@netapp.com>2012-07-30 16:05:20 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-07-30 19:06:05 -0400
commit6a74490dca897471a994a542fc7c5a469b48b46b (patch)
treed1ae8565c3e51bff590858b2f681b2c35700f55f
parent1179acc6a3e260bc4edc74fa94f6c7908290eaec (diff)
NFS: Pass super operations and xattr handlers in the nfs_subversion
I can set all variables in the nfs_fill_super() function, allowing me to remove the nfs4_fill_super() function. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/internal.h1
-rw-r--r--fs/nfs/nfs.h2
-rw-r--r--fs/nfs/nfs2super.c1
-rw-r--r--fs/nfs/nfs3super.c1
-rw-r--r--fs/nfs/nfs4super.c24
-rw-r--r--fs/nfs/super.c9
6 files changed, 13 insertions, 25 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 2151bafd55b..17d14709e75 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -327,6 +327,7 @@ void nfs_zap_acl_cache(struct inode *inode);
extern int nfs_wait_bit_killable(void *word);
/* super.c */
+extern const struct super_operations nfs_sops;
extern struct file_system_type nfs_fs_type;
extern struct file_system_type nfs_xdev_fs_type;
#ifdef CONFIG_NFS_V4
diff --git a/fs/nfs/nfs.h b/fs/nfs/nfs.h
index ac10b9e6c92..9f502a0c1e5 100644
--- a/fs/nfs/nfs.h
+++ b/fs/nfs/nfs.h
@@ -16,6 +16,8 @@ struct nfs_subversion {
struct file_system_type *nfs_fs; /* NFS filesystem type */
const struct rpc_version *rpc_vers; /* NFS version information */
const struct nfs_rpc_ops *rpc_ops; /* NFS operations */
+ const struct super_operations *sops; /* NFS Super operations */
+ const struct xattr_handler **xattr; /* NFS xattr handlers */
struct list_head list; /* List of NFS versions */
};
diff --git a/fs/nfs/nfs2super.c b/fs/nfs/nfs2super.c
index cef06d42334..a9fb69d7281 100644
--- a/fs/nfs/nfs2super.c
+++ b/fs/nfs/nfs2super.c
@@ -11,6 +11,7 @@ static struct nfs_subversion nfs_v2 = {
.nfs_fs = &nfs_fs_type,
.rpc_vers = &nfs_version2,
.rpc_ops = &nfs_v2_clientops,
+ .sops = &nfs_sops,
};
int __init init_nfs_v2(void)
diff --git a/fs/nfs/nfs3super.c b/fs/nfs/nfs3super.c
index f815cf359d9..8378090b810 100644
--- a/fs/nfs/nfs3super.c
+++ b/fs/nfs/nfs3super.c
@@ -11,6 +11,7 @@ static struct nfs_subversion nfs_v3 = {
.nfs_fs = &nfs_fs_type,
.rpc_vers = &nfs_version3,
.rpc_ops = &nfs_v3_clientops,
+ .sops = &nfs_sops,
};
int __init init_nfs_v3(void)
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index a6283625666..c70e1730755 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -71,26 +71,11 @@ struct nfs_subversion nfs_v4 = {
.nfs_fs = &nfs4_fs_type,
.rpc_vers = &nfs_version4,
.rpc_ops = &nfs_v4_clientops,
+ .sops = &nfs4_sops,
+ .xattr = nfs4_xattr_handlers,
};
/*
- * Set up an NFS4 superblock
- */
-static void nfs4_fill_super(struct super_block *sb,
- struct nfs_mount_info *mount_info)
-{
- sb->s_time_gran = 1;
- sb->s_op = &nfs4_sops;
- /*
- * The VFS shouldn't apply the umask to mode bits. We will do
- * so ourselves when necessary.
- */
- sb->s_flags |= MS_POSIXACL;
- sb->s_xattr = nfs4_xattr_handlers;
- nfs_initialise_sb(sb);
-}
-
-/*
* Get the superblock for the NFS4 root partition
*/
static struct dentry *
@@ -101,7 +86,6 @@ nfs4_remote_mount(struct file_system_type *fs_type, int flags,
struct nfs_server *server;
struct dentry *mntroot = ERR_PTR(-ENOMEM);
- mount_info->fill_super = nfs4_fill_super;
mount_info->set_security = nfs_set_sb_security;
/* Get a volume representation */
@@ -236,8 +220,6 @@ struct dentry *nfs4_try_mount(int flags, const char *dev_name,
dfprintk(MOUNT, "--> nfs4_try_mount()\n");
- mount_info->fill_super = nfs4_fill_super;
-
export_path = data->nfs_server.export_path;
data->nfs_server.export_path = "/";
root_mnt = nfs_do_root_mount(&nfs4_remote_fs_type, flags, mount_info,
@@ -257,7 +239,7 @@ nfs4_remote_referral_mount(struct file_system_type *fs_type, int flags,
const char *dev_name, void *raw_data)
{
struct nfs_mount_info mount_info = {
- .fill_super = nfs4_fill_super,
+ .fill_super = nfs_fill_super,
.set_security = nfs_clone_sb_security,
.cloned = raw_data,
};
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index a5f9fb3bfdc..a275d19ae51 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -298,7 +298,7 @@ struct file_system_type nfs_xdev_fs_type = {
.fs_flags = FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
};
-static const struct super_operations nfs_sops = {
+const struct super_operations nfs_sops = {
.alloc_inode = nfs_alloc_inode,
.destroy_inode = nfs_destroy_inode,
.write_inode = nfs_write_inode,
@@ -2105,10 +2105,12 @@ void nfs_fill_super(struct super_block *sb, struct nfs_mount_info *mount_info)
sb->s_blocksize_bits = 0;
sb->s_blocksize = 0;
- if (data->bsize)
+ sb->s_xattr = server->nfs_client->cl_nfs_mod->xattr;
+ sb->s_op = server->nfs_client->cl_nfs_mod->sops;
+ if (data && data->bsize)
sb->s_blocksize = nfs_block_size(data->bsize, &sb->s_blocksize_bits);
- if (server->nfs_client->rpc_ops->version == 3) {
+ if (server->nfs_client->rpc_ops->version != 2) {
/* The VFS shouldn't apply the umask to mode bits. We will do
* so ourselves when necessary.
*/
@@ -2116,7 +2118,6 @@ void nfs_fill_super(struct super_block *sb, struct nfs_mount_info *mount_info)
sb->s_time_gran = 1;
}
- sb->s_op = &nfs_sops;
nfs_initialise_sb(sb);
}