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Subject[PATCH 02/30] NFS: Fix up split of fs/nfs/inode.c [try #11]
Date
Fix ups for the splitting of the superblock stuff out of fs/nfs/inode.c,
including:

(*) Move the callback tcpport module param into callback.c.

(*) Move the idmap cache timeout module param into idmap.c.

(*) Changes to internal.h:

(*) namespace-nfs4.c was renamed to nfs4namespace.c.

(*) nfs_stat_to_errno() is in nfs2xdr.c, not nfs4xdr.c.

(*) nfs4xdr.c is contingent on CONFIG_NFS_V4.

(*) nfs4_path() is only uses if CONFIG_NFS_V4 is set.

Plus also:

(*) The sec_flavours[] table should really be const.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

fs/nfs/callback.c | 15 +++++++++++++++
fs/nfs/idmap.c | 14 ++++++++++++++
fs/nfs/internal.h | 12 ++++++------
fs/nfs/super.c | 40 ++++------------------------------------
4 files changed, 39 insertions(+), 42 deletions(-)

diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index fe0a6b8..d6c4bae 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -36,6 +36,21 @@ static struct svc_program nfs4_callback_

unsigned int nfs_callback_set_tcpport;
unsigned short nfs_callback_tcpport;
+static const int nfs_set_port_min = 0;
+static const int nfs_set_port_max = 65535;
+
+static int param_set_port(const char *val, struct kernel_param *kp)
+{
+ char *endp;
+ int num = simple_strtol(val, &endp, 0);
+ if (endp == val || *endp || num < nfs_set_port_min || num > nfs_set_port_max)
+ return -EINVAL;
+ *((int *)kp->arg) = num;
+ return 0;
+}
+
+module_param_call(callback_tcpport, param_set_port, param_get_int,
+ &nfs_callback_set_tcpport, 0644);

/*
* This is the callback kernel thread.
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index b81e7ed..447ae91 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -57,6 +57,20 @@ #define IDMAP_HASH_SZ 128
/* Default cache timeout is 10 minutes */
unsigned int nfs_idmap_cache_timeout = 600 * HZ;

+static int param_set_idmap_timeout(const char *val, struct kernel_param *kp)
+{
+ char *endp;
+ int num = simple_strtol(val, &endp, 0);
+ int jif = num * HZ;
+ if (endp == val || *endp || num < 0 || jif < num)
+ return -EINVAL;
+ *((int *)kp->arg) = jif;
+ return 0;
+}
+
+module_param_call(idmap_cache_timeout, param_set_idmap_timeout, param_get_int,
+ &nfs_idmap_cache_timeout, 0644);
+
struct idmap_hashent {
unsigned long ih_expires;
__u32 ih_id;
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index e4f4e5d..94a7870 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -15,7 +15,7 @@ struct nfs_clone_mount {
rpc_authflavor_t authflavor;
};

-/* namespace-nfs4.c */
+/* nfs4namespace.c */
#ifdef CONFIG_NFS_V4
extern struct vfsmount *nfs_do_refmount(const struct vfsmount *mnt_parent, struct dentry *dentry);
#else
@@ -46,6 +46,7 @@ #define nfs_destroy_directcache() do {}
#endif

/* nfs2xdr.c */
+extern int nfs_stat_to_errno(int);
extern struct rpc_procinfo nfs_procedures[];
extern u32 * nfs_decode_dirent(u32 *, struct nfs_entry *, int);

@@ -54,8 +55,9 @@ extern struct rpc_procinfo nfs3_procedur
extern u32 *nfs3_decode_dirent(u32 *, struct nfs_entry *, int);

/* nfs4xdr.c */
-extern int nfs_stat_to_errno(int);
+#ifdef CONFIG_NFS_V4
extern u32 *nfs4_decode_dirent(u32 *p, struct nfs_entry *entry, int plus);
+#endif

/* nfs4proc.c */
#ifdef CONFIG_NFS_V4
@@ -94,15 +96,13 @@ extern char *nfs_path(const char *base,
/*
* Determine the mount path as a string
*/
+#ifdef CONFIG_NFS_V4
static inline char *
nfs4_path(const struct dentry *dentry, char *buffer, ssize_t buflen)
{
-#ifdef CONFIG_NFS_V4
return nfs_path(NFS_SB(dentry->d_sb)->mnt_path, dentry, buffer, buflen);
-#else
- return NULL;
-#endif
}
+#endif

/*
* Determine the device name as a string
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index e8a9bee..1c20ff0 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -187,40 +187,6 @@ static struct super_operations nfs4_sops
};
#endif

-#ifdef CONFIG_NFS_V4
-static const int nfs_set_port_min = 0;
-static const int nfs_set_port_max = 65535;
-
-static int param_set_port(const char *val, struct kernel_param *kp)
-{
- char *endp;
- int num = simple_strtol(val, &endp, 0);
- if (endp == val || *endp || num < nfs_set_port_min || num > nfs_set_port_max)
- return -EINVAL;
- *((int *)kp->arg) = num;
- return 0;
-}
-
-module_param_call(callback_tcpport, param_set_port, param_get_int,
- &nfs_callback_set_tcpport, 0644);
-#endif
-
-#ifdef CONFIG_NFS_V4
-static int param_set_idmap_timeout(const char *val, struct kernel_param *kp)
-{
- char *endp;
- int num = simple_strtol(val, &endp, 0);
- int jif = num * HZ;
- if (endp == val || *endp || num < 0 || jif < num)
- return -EINVAL;
- *((int *)kp->arg) = jif;
- return 0;
-}
-
-module_param_call(idmap_cache_timeout, param_set_idmap_timeout, param_get_int,
- &nfs_idmap_cache_timeout, 0644);
-#endif
-
/*
* Register the NFS filesystems
*/
@@ -323,9 +289,12 @@ static int nfs_statfs(struct dentry *den

}

+/*
+ * Map the security flavour number to a name
+ */
static const char *nfs_pseudoflavour_to_name(rpc_authflavor_t flavour)
{
- static struct {
+ static const struct {
rpc_authflavor_t flavour;
const char *str;
} sec_flavours[] = {
@@ -1363,7 +1332,6 @@ static int nfs4_get_sb(struct file_syste
}

s = sget(fs_type, nfs4_compare_super, nfs_set_super, server);
-
if (IS_ERR(s)) {
error = PTR_ERR(s);
goto out_free;
-
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