aboutsummaryrefslogtreecommitdiff
path: root/fs/nfs
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/dir.c33
-rw-r--r--fs/nfs/inode.c41
-rw-r--r--fs/nfs/super.c49
3 files changed, 55 insertions, 68 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ac289909814..fd9a872fada 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -47,13 +47,13 @@ static int nfs_opendir(struct inode *, struct file *);
static int nfs_closedir(struct inode *, struct file *);
static int nfs_readdir(struct file *, void *, filldir_t);
static struct dentry *nfs_lookup(struct inode *, struct dentry *, struct nameidata *);
-static int nfs_create(struct inode *, struct dentry *, int, struct nameidata *);
-static int nfs_mkdir(struct inode *, struct dentry *, int);
+static int nfs_create(struct inode *, struct dentry *, umode_t, struct nameidata *);
+static int nfs_mkdir(struct inode *, struct dentry *, umode_t);
static int nfs_rmdir(struct inode *, struct dentry *);
static int nfs_unlink(struct inode *, struct dentry *);
static int nfs_symlink(struct inode *, struct dentry *, const char *);
static int nfs_link(struct dentry *, struct inode *, struct dentry *);
-static int nfs_mknod(struct inode *, struct dentry *, int, dev_t);
+static int nfs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
static int nfs_rename(struct inode *, struct dentry *,
struct inode *, struct dentry *);
static int nfs_fsync_dir(struct file *, loff_t, loff_t, int);
@@ -112,7 +112,7 @@ const struct inode_operations nfs3_dir_inode_operations = {
#ifdef CONFIG_NFS_V4
static struct dentry *nfs_atomic_lookup(struct inode *, struct dentry *, struct nameidata *);
-static int nfs_open_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd);
+static int nfs_open_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd);
const struct inode_operations nfs4_dir_inode_operations = {
.create = nfs_open_create,
.lookup = nfs_atomic_lookup,
@@ -1368,18 +1368,7 @@ static fmode_t flags_to_mode(int flags)
static struct nfs_open_context *create_nfs_open_context(struct dentry *dentry, int open_flags)
{
- struct nfs_open_context *ctx;
- struct rpc_cred *cred;
- fmode_t fmode = flags_to_mode(open_flags);
-
- cred = rpc_lookup_cred();
- if (IS_ERR(cred))
- return ERR_CAST(cred);
- ctx = alloc_nfs_open_context(dentry, cred, fmode);
- put_rpccred(cred);
- if (ctx == NULL)
- return ERR_PTR(-ENOMEM);
- return ctx;
+ return alloc_nfs_open_context(dentry, flags_to_mode(open_flags));
}
static int do_open(struct inode *inode, struct file *filp)
@@ -1584,8 +1573,8 @@ no_open:
return nfs_lookup_revalidate(dentry, nd);
}
-static int nfs_open_create(struct inode *dir, struct dentry *dentry, int mode,
- struct nameidata *nd)
+static int nfs_open_create(struct inode *dir, struct dentry *dentry,
+ umode_t mode, struct nameidata *nd)
{
struct nfs_open_context *ctx = NULL;
struct iattr attr;
@@ -1675,8 +1664,8 @@ out_error:
* that the operation succeeded on the server, but an error in the
* reply path made it appear to have failed.
*/
-static int nfs_create(struct inode *dir, struct dentry *dentry, int mode,
- struct nameidata *nd)
+static int nfs_create(struct inode *dir, struct dentry *dentry,
+ umode_t mode, struct nameidata *nd)
{
struct iattr attr;
int error;
@@ -1704,7 +1693,7 @@ out_err:
* See comments for nfs_proc_create regarding failed operations.
*/
static int
-nfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
+nfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct iattr attr;
int status;
@@ -1730,7 +1719,7 @@ out_err:
/*
* See comments for nfs_proc_create regarding failed operations.
*/
-static int nfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+static int nfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
struct iattr attr;
int error;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 50a15fa8cf9..6f00086e340 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -629,23 +629,28 @@ void nfs_close_context(struct nfs_open_context *ctx, int is_sync)
nfs_revalidate_inode(server, inode);
}
-struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, struct rpc_cred *cred, fmode_t f_mode)
+struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, fmode_t f_mode)
{
struct nfs_open_context *ctx;
+ struct rpc_cred *cred = rpc_lookup_cred();
+ if (IS_ERR(cred))
+ return ERR_CAST(cred);
ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
- if (ctx != NULL) {
- nfs_sb_active(dentry->d_sb);
- ctx->dentry = dget(dentry);
- ctx->cred = get_rpccred(cred);
- ctx->state = NULL;
- ctx->mode = f_mode;
- ctx->flags = 0;
- ctx->error = 0;
- nfs_init_lock_context(&ctx->lock_context);
- ctx->lock_context.open_context = ctx;
- INIT_LIST_HEAD(&ctx->list);
+ if (!ctx) {
+ put_rpccred(cred);
+ return ERR_PTR(-ENOMEM);
}
+ nfs_sb_active(dentry->d_sb);
+ ctx->dentry = dget(dentry);
+ ctx->cred = cred;
+ ctx->state = NULL;
+ ctx->mode = f_mode;
+ ctx->flags = 0;
+ ctx->error = 0;
+ nfs_init_lock_context(&ctx->lock_context);
+ ctx->lock_context.open_context = ctx;
+ INIT_LIST_HEAD(&ctx->list);
return ctx;
}
@@ -738,15 +743,10 @@ static void nfs_file_clear_open_context(struct file *filp)
int nfs_open(struct inode *inode, struct file *filp)
{
struct nfs_open_context *ctx;
- struct rpc_cred *cred;
- cred = rpc_lookup_cred();
- if (IS_ERR(cred))
- return PTR_ERR(cred);
- ctx = alloc_nfs_open_context(filp->f_path.dentry, cred, filp->f_mode);
- put_rpccred(cred);
- if (ctx == NULL)
- return -ENOMEM;
+ ctx = alloc_nfs_open_context(filp->f_path.dentry, filp->f_mode);
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);
nfs_file_set_open_context(filp, ctx);
put_nfs_open_context(ctx);
nfs_fscache_set_inode_cookie(inode, filp);
@@ -1464,7 +1464,6 @@ struct inode *nfs_alloc_inode(struct super_block *sb)
static void nfs_i_callback(struct rcu_head *head)
{
struct inode *inode = container_of(head, struct inode, i_rcu);
- INIT_LIST_HEAD(&inode->i_dentry);
kmem_cache_free(nfs_inode_cachep, NFS_I(inode));
}
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 134777406ee..e463967aafb 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -41,7 +41,6 @@
#include <linux/lockd/bind.h>
#include <linux/seq_file.h>
#include <linux/mount.h>
-#include <linux/mnt_namespace.h>
#include <linux/namei.h>
#include <linux/nfs_idmap.h>
#include <linux/vfs.h>
@@ -263,10 +262,10 @@ static match_table_t nfs_local_lock_tokens = {
static void nfs_umount_begin(struct super_block *);
static int nfs_statfs(struct dentry *, struct kstatfs *);
-static int nfs_show_options(struct seq_file *, struct vfsmount *);
-static int nfs_show_devname(struct seq_file *, struct vfsmount *);
-static int nfs_show_path(struct seq_file *, struct vfsmount *);
-static int nfs_show_stats(struct seq_file *, struct vfsmount *);
+static int nfs_show_options(struct seq_file *, struct dentry *);
+static int nfs_show_devname(struct seq_file *, struct dentry *);
+static int nfs_show_path(struct seq_file *, struct dentry *);
+static int nfs_show_stats(struct seq_file *, struct dentry *);
static struct dentry *nfs_fs_mount(struct file_system_type *,
int, const char *, void *);
static struct dentry *nfs_xdev_mount(struct file_system_type *fs_type,
@@ -721,9 +720,9 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
/*
* Describe the mount options on this VFS mountpoint
*/
-static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
+static int nfs_show_options(struct seq_file *m, struct dentry *root)
{
- struct nfs_server *nfss = NFS_SB(mnt->mnt_sb);
+ struct nfs_server *nfss = NFS_SB(root->d_sb);
nfs_show_mount_options(m, nfss, 0);
@@ -761,14 +760,14 @@ static void show_pnfs(struct seq_file *m, struct nfs_server *server) {}
#endif
#endif
-static int nfs_show_devname(struct seq_file *m, struct vfsmount *mnt)
+static int nfs_show_devname(struct seq_file *m, struct dentry *root)
{
char *page = (char *) __get_free_page(GFP_KERNEL);
char *devname, *dummy;
int err = 0;
if (!page)
return -ENOMEM;
- devname = nfs_path(&dummy, mnt->mnt_root, page, PAGE_SIZE);
+ devname = nfs_path(&dummy, root, page, PAGE_SIZE);
if (IS_ERR(devname))
err = PTR_ERR(devname);
else
@@ -777,7 +776,7 @@ static int nfs_show_devname(struct seq_file *m, struct vfsmount *mnt)
return err;
}
-static int nfs_show_path(struct seq_file *m, struct vfsmount *mnt)
+static int nfs_show_path(struct seq_file *m, struct dentry *dentry)
{
seq_puts(m, "/");
return 0;
@@ -786,10 +785,10 @@ static int nfs_show_path(struct seq_file *m, struct vfsmount *mnt)
/*
* Present statistical information for this VFS mountpoint
*/
-static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt)
+static int nfs_show_stats(struct seq_file *m, struct dentry *root)
{
int i, cpu;
- struct nfs_server *nfss = NFS_SB(mnt->mnt_sb);
+ struct nfs_server *nfss = NFS_SB(root->d_sb);
struct rpc_auth *auth = nfss->client->cl_auth;
struct nfs_iostats totals = { };
@@ -799,10 +798,10 @@ static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt)
* Display all mount option settings
*/
seq_printf(m, "\n\topts:\t");
- seq_puts(m, mnt->mnt_sb->s_flags & MS_RDONLY ? "ro" : "rw");
- seq_puts(m, mnt->mnt_sb->s_flags & MS_SYNCHRONOUS ? ",sync" : "");
- seq_puts(m, mnt->mnt_sb->s_flags & MS_NOATIME ? ",noatime" : "");
- seq_puts(m, mnt->mnt_sb->s_flags & MS_NODIRATIME ? ",nodiratime" : "");
+ seq_puts(m, root->d_sb->s_flags & MS_RDONLY ? "ro" : "rw");
+ seq_puts(m, root->d_sb->s_flags & MS_SYNCHRONOUS ? ",sync" : "");
+ seq_puts(m, root->d_sb->s_flags & MS_NOATIME ? ",noatime" : "");
+ seq_puts(m, root->d_sb->s_flags & MS_NODIRATIME ? ",nodiratime" : "");
nfs_show_mount_options(m, nfss, 1);
seq_printf(m, "\n\tage:\t%lu", (jiffies - nfss->mount_time) / HZ);
@@ -2788,11 +2787,15 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
const char *export_path)
{
struct dentry *dentry;
- int ret = nfs_referral_loop_protect();
+ int err;
- if (ret) {
+ if (IS_ERR(root_mnt))
+ return ERR_CAST(root_mnt);
+
+ err = nfs_referral_loop_protect();
+ if (err) {
mntput(root_mnt);
- return ERR_PTR(ret);
+ return ERR_PTR(err);
}
dentry = mount_subtree(root_mnt, export_path);
@@ -2816,9 +2819,7 @@ static struct dentry *nfs4_try_mount(int flags, const char *dev_name,
data->nfs_server.hostname);
data->nfs_server.export_path = export_path;
- res = ERR_CAST(root_mnt);
- if (!IS_ERR(root_mnt))
- res = nfs_follow_remote_path(root_mnt, export_path);
+ res = nfs_follow_remote_path(root_mnt, export_path);
dfprintk(MOUNT, "<-- nfs4_try_mount() = %ld%s\n",
IS_ERR(res) ? PTR_ERR(res) : 0,
@@ -3079,9 +3080,7 @@ static struct dentry *nfs4_referral_mount(struct file_system_type *fs_type,
flags, data, data->hostname);
data->mnt_path = export_path;
- res = ERR_CAST(root_mnt);
- if (!IS_ERR(root_mnt))
- res = nfs_follow_remote_path(root_mnt, export_path);
+ res = nfs_follow_remote_path(root_mnt, export_path);
dprintk("<-- nfs4_referral_mount() = %ld%s\n",
IS_ERR(res) ? PTR_ERR(res) : 0,
IS_ERR(res) ? " [error]" : "");
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-19 07:53:59 +0000