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apparmor/kernel-patches/for-mainline/struct_path/struct_path-nameidata.diff
Andreas Gruenbacher 94b9004a52 Add lead-in comment.
2007-02-04 10:09:44 +00:00

2287 lines
71 KiB
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Pack the vfsmount and dentry in nameidata into a struct path
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Index: linux-2.6-hooks/include/linux/namei.h
===================================================================
--- linux-2.6-hooks.orig/include/linux/namei.h
+++ linux-2.6-hooks/include/linux/namei.h
@@ -6,6 +6,11 @@
struct vfsmount;
+struct path {
+ struct vfsmount *mnt;
+ struct dentry *dentry;
+};
+
struct open_intent {
int flags;
int create_mode;
@@ -15,8 +20,7 @@ struct open_intent {
enum { MAX_NESTED_LINKS = 8 };
struct nameidata {
- struct dentry *dentry;
- struct vfsmount *mnt;
+ struct path path;
struct qstr last;
unsigned int flags;
int last_type;
@@ -29,11 +33,6 @@ struct nameidata {
} intent;
};
-struct path {
- struct vfsmount *mnt;
- struct dentry *dentry;
-};
-
/*
* Type of the last component on LOOKUP_PARENT
*/
Index: linux-2.6-hooks/drivers/md/dm-table.c
===================================================================
--- linux-2.6-hooks.orig/drivers/md/dm-table.c
+++ linux-2.6-hooks/drivers/md/dm-table.c
@@ -356,7 +356,7 @@ static int lookup_device(const char *pat
if ((r = path_lookup(path, LOOKUP_FOLLOW, &nd)))
return r;
- inode = nd.dentry->d_inode;
+ inode = nd.path.dentry->d_inode;
if (!inode) {
r = -ENOENT;
goto out;
Index: linux-2.6-hooks/fs/afs/mntpt.c
===================================================================
--- linux-2.6-hooks.orig/fs/afs/mntpt.c
+++ linux-2.6-hooks/fs/afs/mntpt.c
@@ -235,9 +235,9 @@ static void *afs_mntpt_follow_link(struc
kenter("%p{%s},{%s:%p{%s}}",
dentry,
dentry->d_name.name,
- nd->mnt->mnt_devname,
+ nd->path.mnt->mnt_devname,
dentry,
- nd->dentry->d_name.name);
+ nd->path.dentry->d_name.name);
newmnt = afs_mntpt_do_automount(dentry);
if (IS_ERR(newmnt)) {
@@ -245,18 +245,18 @@ static void *afs_mntpt_follow_link(struc
return (void *)newmnt;
}
- old_dentry = nd->dentry;
- nd->dentry = dentry;
+ old_dentry = nd->path.dentry;
+ nd->path.dentry = dentry;
err = do_add_mount(newmnt, nd, 0, &afs_vfsmounts);
- nd->dentry = old_dentry;
+ nd->path.dentry = old_dentry;
path_release(nd);
if (!err) {
mntget(newmnt);
- nd->mnt = newmnt;
+ nd->path.mnt = newmnt;
dget(newmnt->mnt_root);
- nd->dentry = newmnt->mnt_root;
+ nd->path.dentry = newmnt->mnt_root;
}
kleave(" = %d", err);
Index: linux-2.6-hooks/fs/autofs4/root.c
===================================================================
--- linux-2.6-hooks.orig/fs/autofs4/root.c
+++ linux-2.6-hooks/fs/autofs4/root.c
@@ -369,7 +369,8 @@ static void *autofs4_follow_link(struct
* so we don't need to follow the mount.
*/
if (d_mountpoint(dentry)) {
- if (!autofs4_follow_mount(&nd->mnt, &nd->dentry)) {
+ if (!autofs4_follow_mount(&nd->path.mnt,
+ &nd->path.dentry)) {
status = -ENOENT;
goto out_error;
}
Index: linux-2.6-hooks/fs/block_dev.c
===================================================================
--- linux-2.6-hooks.orig/fs/block_dev.c
+++ linux-2.6-hooks/fs/block_dev.c
@@ -1339,12 +1339,12 @@ struct block_device *lookup_bdev(const c
if (error)
return ERR_PTR(error);
- inode = nd.dentry->d_inode;
+ inode = nd.path.dentry->d_inode;
error = -ENOTBLK;
if (!S_ISBLK(inode->i_mode))
goto fail;
error = -EACCES;
- if (nd.mnt->mnt_flags & MNT_NODEV)
+ if (nd.path.mnt->mnt_flags & MNT_NODEV)
goto fail;
error = -ENOMEM;
bdev = bd_acquire(inode);
Index: linux-2.6-hooks/fs/coda/pioctl.c
===================================================================
--- linux-2.6-hooks.orig/fs/coda/pioctl.c
+++ linux-2.6-hooks/fs/coda/pioctl.c
@@ -75,7 +75,7 @@ static int coda_pioctl(struct inode * in
if ( error ) {
return error;
} else {
- target_inode = nd.dentry->d_inode;
+ target_inode = nd.path.dentry->d_inode;
}
/* return if it is not a Coda inode */
Index: linux-2.6-hooks/fs/configfs/symlink.c
===================================================================
--- linux-2.6-hooks.orig/fs/configfs/symlink.c
+++ linux-2.6-hooks/fs/configfs/symlink.c
@@ -99,8 +99,8 @@ static int get_target(const char *symnam
ret = path_lookup(symname, LOOKUP_FOLLOW|LOOKUP_DIRECTORY, nd);
if (!ret) {
- if (nd->dentry->d_sb == configfs_sb) {
- *target = configfs_get_config_item(nd->dentry);
+ if (nd->path.dentry->d_sb == configfs_sb) {
+ *target = configfs_get_config_item(nd->path.dentry);
if (!*target) {
ret = -ENOENT;
path_release(nd);
Index: linux-2.6-hooks/fs/dquot.c
===================================================================
--- linux-2.6-hooks.orig/fs/dquot.c
+++ linux-2.6-hooks/fs/dquot.c
@@ -1519,14 +1519,15 @@ int vfs_quota_on(struct super_block *sb,
error = path_lookup(path, LOOKUP_FOLLOW, &nd);
if (error < 0)
return error;
- error = security_quota_on(nd.dentry);
+ error = security_quota_on(nd.path.dentry);
if (error)
goto out_path;
/* Quota file not on the same filesystem? */
- if (nd.mnt->mnt_sb != sb)
+ if (nd.path.mnt->mnt_sb != sb)
error = -EXDEV;
else
- error = vfs_quota_on_inode(nd.dentry->d_inode, type, format_id);
+ error = vfs_quota_on_inode(nd.path.dentry->d_inode, type,
+ format_id);
out_path:
path_release(&nd);
return error;
Index: linux-2.6-hooks/fs/ecryptfs/dentry.c
===================================================================
--- linux-2.6-hooks.orig/fs/ecryptfs/dentry.c
+++ linux-2.6-hooks/fs/ecryptfs/dentry.c
@@ -51,13 +51,13 @@ static int ecryptfs_d_revalidate(struct
if (!lower_dentry->d_op || !lower_dentry->d_op->d_revalidate)
goto out;
- dentry_save = nd->dentry;
- vfsmount_save = nd->mnt;
- nd->dentry = lower_dentry;
- nd->mnt = lower_mnt;
+ dentry_save = nd->path.dentry;
+ vfsmount_save = nd->path.mnt;
+ nd->path.dentry = lower_dentry;
+ nd->path.mnt = lower_mnt;
rc = lower_dentry->d_op->d_revalidate(lower_dentry, nd);
- nd->dentry = dentry_save;
- nd->mnt = vfsmount_save;
+ nd->path.dentry = dentry_save;
+ nd->path.mnt = vfsmount_save;
if (dentry->d_inode) {
struct inode *lower_inode =
ecryptfs_inode_to_lower(dentry->d_inode);
Index: linux-2.6-hooks/fs/ecryptfs/inode.c
===================================================================
--- linux-2.6-hooks.orig/fs/ecryptfs/inode.c
+++ linux-2.6-hooks/fs/ecryptfs/inode.c
@@ -77,13 +77,13 @@ ecryptfs_create_underlying_file(struct i
struct vfsmount *vfsmount_save;
int rc;
- dentry_save = nd->dentry;
- vfsmount_save = nd->mnt;
- nd->dentry = lower_dentry;
- nd->mnt = lower_mnt;
+ dentry_save = nd->path.dentry;
+ vfsmount_save = nd->path.mnt;
+ nd->path.dentry = lower_dentry;
+ nd->path.mnt = lower_mnt;
rc = vfs_create(lower_dir_inode, lower_dentry, mode, nd);
- nd->dentry = dentry_save;
- nd->mnt = vfsmount_save;
+ nd->path.dentry = dentry_save;
+ nd->path.mnt = vfsmount_save;
return rc;
}
@@ -371,7 +371,7 @@ static struct dentry *ecryptfs_lookup(st
goto out_dput;
}
memset(page_virt, 0, PAGE_CACHE_SIZE);
- rc = ecryptfs_read_header_region(page_virt, lower_dentry, nd->mnt);
+ rc = ecryptfs_read_header_region(page_virt, lower_dentry, nd->path.mnt);
crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
if (!ECRYPTFS_CHECK_FLAG(crypt_stat->flags, ECRYPTFS_POLICY_APPLIED))
ecryptfs_set_default_sizes(crypt_stat);
@@ -827,14 +827,14 @@ ecryptfs_permission(struct inode *inode,
int rc;
if (nd) {
- struct vfsmount *vfsmnt_save = nd->mnt;
- struct dentry *dentry_save = nd->dentry;
+ struct vfsmount *vfsmnt_save = nd->path.mnt;
+ struct dentry *dentry_save = nd->path.dentry;
- nd->mnt = ecryptfs_dentry_to_lower_mnt(nd->dentry);
- nd->dentry = ecryptfs_dentry_to_lower(nd->dentry);
+ nd->path.mnt = ecryptfs_dentry_to_lower_mnt(nd->path.dentry);
+ nd->path.dentry = ecryptfs_dentry_to_lower(nd->path.dentry);
rc = permission(ecryptfs_inode_to_lower(inode), mask, nd);
- nd->mnt = vfsmnt_save;
- nd->dentry = dentry_save;
+ nd->path.mnt = vfsmnt_save;
+ nd->path.dentry = dentry_save;
} else
rc = permission(ecryptfs_inode_to_lower(inode), mask, NULL);
return rc;
Index: linux-2.6-hooks/fs/ecryptfs/main.c
===================================================================
--- linux-2.6-hooks.orig/fs/ecryptfs/main.c
+++ linux-2.6-hooks/fs/ecryptfs/main.c
@@ -441,14 +441,14 @@ static int ecryptfs_read_super(struct su
ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n");
goto out_free;
}
- lower_root = nd.dentry;
+ lower_root = nd.path.dentry;
if (!lower_root->d_inode) {
ecryptfs_printk(KERN_WARNING,
"No directory to interpose on\n");
rc = -ENOENT;
goto out_free;
}
- lower_mnt = nd.mnt;
+ lower_mnt = nd.path.mnt;
ecryptfs_set_superblock_lower(sb, lower_root->d_sb);
sb->s_maxbytes = lower_root->d_sb->s_maxbytes;
ecryptfs_set_dentry_lower(sb->s_root, lower_root);
Index: linux-2.6-hooks/fs/exec.c
===================================================================
--- linux-2.6-hooks.orig/fs/exec.c
+++ linux-2.6-hooks/fs/exec.c
@@ -133,7 +133,7 @@ asmlinkage long sys_uselib(const char __
goto out;
error = -EINVAL;
- if (!S_ISREG(nd.dentry->d_inode->i_mode))
+ if (!S_ISREG(nd.path.dentry->d_inode->i_mode))
goto exit;
error = vfs_permission(&nd, MAY_READ | MAY_EXEC);
@@ -482,9 +482,9 @@ struct file *open_exec(const char *name)
file = ERR_PTR(err);
if (!err) {
- struct inode *inode = nd.dentry->d_inode;
+ struct inode *inode = nd.path.dentry->d_inode;
file = ERR_PTR(-EACCES);
- if (!(nd.mnt->mnt_flags & MNT_NOEXEC) &&
+ if (!(nd.path.mnt->mnt_flags & MNT_NOEXEC) &&
S_ISREG(inode->i_mode)) {
int err = vfs_permission(&nd, MAY_EXEC);
file = ERR_PTR(err);
Index: linux-2.6-hooks/fs/ext3/super.c
===================================================================
--- linux-2.6-hooks.orig/fs/ext3/super.c
+++ linux-2.6-hooks/fs/ext3/super.c
@@ -2601,12 +2601,12 @@ static int ext3_quota_on(struct super_bl
if (err)
return err;
/* Quotafile not on the same filesystem? */
- if (nd.mnt->mnt_sb != sb) {
+ if (nd.path.mnt->mnt_sb != sb) {
path_release(&nd);
return -EXDEV;
}
/* Quotafile not of fs root? */
- if (nd.dentry->d_parent->d_inode != sb->s_root->d_inode)
+ if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
printk(KERN_WARNING
"EXT3-fs: Quota file not on filesystem root. "
"Journalled quota will not work.\n");
Index: linux-2.6-hooks/fs/ext4/super.c
===================================================================
--- linux-2.6-hooks.orig/fs/ext4/super.c
+++ linux-2.6-hooks/fs/ext4/super.c
@@ -2676,12 +2676,12 @@ static int ext4_quota_on(struct super_bl
if (err)
return err;
/* Quotafile not on the same filesystem? */
- if (nd.mnt->mnt_sb != sb) {
+ if (nd.path.mnt->mnt_sb != sb) {
path_release(&nd);
return -EXDEV;
}
/* Quotafile not of fs root? */
- if (nd.dentry->d_parent->d_inode != sb->s_root->d_inode)
+ if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
printk(KERN_WARNING
"EXT4-fs: Quota file not on filesystem root. "
"Journalled quota will not work.\n");
Index: linux-2.6-hooks/fs/gfs2/ops_fstype.c
===================================================================
--- linux-2.6-hooks.orig/fs/gfs2/ops_fstype.c
+++ linux-2.6-hooks/fs/gfs2/ops_fstype.c
@@ -827,13 +827,13 @@ static struct super_block* get_gfs2_sb(c
dev_name);
goto out;
}
- error = vfs_getattr(nd.mnt, nd.dentry, &stat);
+ error = vfs_getattr(nd.path.mnt, nd.path.dentry, &stat);
fstype = get_fs_type("gfs2");
list_for_each(l, &fstype->fs_supers) {
s = list_entry(l, struct super_block, s_instances);
if ((S_ISBLK(stat.mode) && s->s_dev == stat.rdev) ||
- (S_ISDIR(stat.mode) && s == nd.dentry->d_inode->i_sb)) {
+ (S_ISDIR(stat.mode) && s == nd.path.dentry->d_inode->i_sb)) {
sb = s;
goto free_nd;
}
Index: linux-2.6-hooks/fs/inotify_user.c
===================================================================
--- linux-2.6-hooks.orig/fs/inotify_user.c
+++ linux-2.6-hooks/fs/inotify_user.c
@@ -631,7 +631,7 @@ asmlinkage long sys_inotify_add_watch(in
goto fput_and_out;
/* inode held in place by reference to nd; dev by fget on fd */
- inode = nd.dentry->d_inode;
+ inode = nd.path.dentry->d_inode;
dev = filp->private_data;
mutex_lock(&dev->up_mutex);
Index: linux-2.6-hooks/fs/jffs2/super.c
===================================================================
--- linux-2.6-hooks.orig/fs/jffs2/super.c
+++ linux-2.6-hooks/fs/jffs2/super.c
@@ -248,29 +248,29 @@ static int jffs2_get_sb(struct file_syst
err = path_lookup(dev_name, LOOKUP_FOLLOW, &nd);
D1(printk(KERN_DEBUG "jffs2_get_sb(): path_lookup() returned %d, inode %p\n",
- err, nd.dentry->d_inode));
+ err, nd.path.dentry->d_inode));
if (err)
return err;
err = -EINVAL;
- if (!S_ISBLK(nd.dentry->d_inode->i_mode))
+ if (!S_ISBLK(nd.path.dentry->d_inode->i_mode))
goto out;
- if (nd.mnt->mnt_flags & MNT_NODEV) {
+ if (nd.path.mnt->mnt_flags & MNT_NODEV) {
err = -EACCES;
goto out;
}
- if (imajor(nd.dentry->d_inode) != MTD_BLOCK_MAJOR) {
+ if (imajor(nd.path.dentry->d_inode) != MTD_BLOCK_MAJOR) {
if (!(flags & MS_SILENT))
printk(KERN_NOTICE "Attempt to mount non-MTD device \"%s\" as JFFS2\n",
dev_name);
goto out;
}
- mtdnr = iminor(nd.dentry->d_inode);
+ mtdnr = iminor(nd.path.dentry->d_inode);
path_release(&nd);
return jffs2_get_sb_mtdnr(fs_type, flags, dev_name, data, mtdnr, mnt);
Index: linux-2.6-hooks/fs/namei.c
===================================================================
--- linux-2.6-hooks.orig/fs/namei.c
+++ linux-2.6-hooks/fs/namei.c
@@ -253,7 +253,8 @@ int permission(struct inode *inode, int
* the fs is mounted with the "noexec" flag.
*/
if ((mask & MAY_EXEC) && S_ISREG(mode) && (!(mode & S_IXUGO) ||
- (nd && nd->mnt && (nd->mnt->mnt_flags & MNT_NOEXEC))))
+ (nd && nd->path.mnt &&
+ (nd->path.mnt->mnt_flags & MNT_NOEXEC))))
return -EACCES;
/* Ordinary permission routines do not understand MAY_APPEND. */
@@ -280,7 +281,7 @@ int permission(struct inode *inode, int
*/
int vfs_permission(struct nameidata *nd, int mask)
{
- return permission(nd->dentry->d_inode, mask, nd);
+ return permission(nd->path.dentry->d_inode, mask, nd);
}
/**
@@ -348,8 +349,8 @@ int deny_write_access(struct file * file
void path_release(struct nameidata *nd)
{
- dput(nd->dentry);
- mntput(nd->mnt);
+ dput(nd->path.dentry);
+ mntput(nd->path.mnt);
}
/*
@@ -358,8 +359,8 @@ void path_release(struct nameidata *nd)
*/
void path_release_on_umount(struct nameidata *nd)
{
- dput(nd->dentry);
- mntput_no_expire(nd->mnt);
+ dput(nd->path.dentry);
+ mntput_no_expire(nd->path.mnt);
}
/**
@@ -524,15 +525,15 @@ walk_init_root(const char *name, struct
read_lock(&fs->lock);
if (fs->altroot && !(nd->flags & LOOKUP_NOALT)) {
- nd->mnt = mntget(fs->altrootmnt);
- nd->dentry = dget(fs->altroot);
+ nd->path.mnt = mntget(fs->altrootmnt);
+ nd->path.dentry = dget(fs->altroot);
read_unlock(&fs->lock);
if (__emul_lookup_dentry(name,nd))
return 0;
read_lock(&fs->lock);
}
- nd->mnt = mntget(fs->rootmnt);
- nd->dentry = dget(fs->root);
+ nd->path.mnt = mntget(fs->rootmnt);
+ nd->path.dentry = dget(fs->root);
read_unlock(&fs->lock);
return 1;
}
@@ -575,17 +576,16 @@ fail:
static inline void dput_path(struct path *path, struct nameidata *nd)
{
dput(path->dentry);
- if (path->mnt != nd->mnt)
+ if (path->mnt != nd->path.mnt)
mntput(path->mnt);
}
static inline void path_to_nameidata(struct path *path, struct nameidata *nd)
{
- dput(nd->dentry);
- if (nd->mnt != path->mnt)
- mntput(nd->mnt);
- nd->mnt = path->mnt;
- nd->dentry = path->dentry;
+ dput(nd->path.dentry);
+ if (nd->path.mnt != path->mnt)
+ mntput(nd->path.mnt);
+ nd->path = *path;
}
static __always_inline int __do_follow_link(struct path *path, struct nameidata *nd)
@@ -597,7 +597,7 @@ static __always_inline int __do_follow_l
touch_atime(path->mnt, dentry);
nd_set_link(nd, NULL);
- if (path->mnt != nd->mnt) {
+ if (path->mnt != nd->path.mnt) {
path_to_nameidata(path, nd);
dget(dentry);
}
@@ -727,37 +727,37 @@ static __always_inline void follow_dotdo
while(1) {
struct vfsmount *parent;
- struct dentry *old = nd->dentry;
+ struct dentry *old = nd->path.dentry;
read_lock(&fs->lock);
- if (nd->dentry == fs->root &&
- nd->mnt == fs->rootmnt) {
+ if (nd->path.dentry == fs->root &&
+ nd->path.mnt == fs->rootmnt) {
read_unlock(&fs->lock);
break;
}
read_unlock(&fs->lock);
spin_lock(&dcache_lock);
- if (nd->dentry != nd->mnt->mnt_root) {
- nd->dentry = dget(nd->dentry->d_parent);
+ if (nd->path.dentry != nd->path.mnt->mnt_root) {
+ nd->path.dentry = dget(nd->path.dentry->d_parent);
spin_unlock(&dcache_lock);
dput(old);
break;
}
spin_unlock(&dcache_lock);
spin_lock(&vfsmount_lock);
- parent = nd->mnt->mnt_parent;
- if (parent == nd->mnt) {
+ parent = nd->path.mnt->mnt_parent;
+ if (parent == nd->path.mnt) {
spin_unlock(&vfsmount_lock);
break;
}
mntget(parent);
- nd->dentry = dget(nd->mnt->mnt_mountpoint);
+ nd->path.dentry = dget(nd->path.mnt->mnt_mountpoint);
spin_unlock(&vfsmount_lock);
dput(old);
- mntput(nd->mnt);
- nd->mnt = parent;
+ mntput(nd->path.mnt);
+ nd->path.mnt = parent;
}
- follow_mount(&nd->mnt, &nd->dentry);
+ follow_mount(&nd->path.mnt, &nd->path.dentry);
}
/*
@@ -768,8 +768,8 @@ static __always_inline void follow_dotdo
static int do_lookup(struct nameidata *nd, struct qstr *name,
struct path *path)
{
- struct vfsmount *mnt = nd->mnt;
- struct dentry *dentry = __d_lookup(nd->dentry, name);
+ struct vfsmount *mnt = nd->path.mnt;
+ struct dentry *dentry = __d_lookup(nd->path.dentry, name);
if (!dentry)
goto need_lookup;
@@ -782,7 +782,7 @@ done:
return 0;
need_lookup:
- dentry = real_lookup(nd->dentry, name, nd);
+ dentry = real_lookup(nd->path.dentry, name, nd);
if (IS_ERR(dentry))
goto fail;
goto done;
@@ -819,7 +819,7 @@ static fastcall int __link_path_walk(con
if (!*name)
goto return_reval;
- inode = nd->dentry->d_inode;
+ inode = nd->path.dentry->d_inode;
if (nd->depth)
lookup_flags = LOOKUP_FOLLOW | (nd->flags & LOOKUP_CONTINUE);
@@ -867,7 +867,7 @@ static fastcall int __link_path_walk(con
if (this.name[1] != '.')
break;
follow_dotdot(nd);
- inode = nd->dentry->d_inode;
+ inode = nd->path.dentry->d_inode;
/* fallthrough */
case 1:
continue;
@@ -876,8 +876,9 @@ static fastcall int __link_path_walk(con
* See if the low-level filesystem might want
* to use its own hash..
*/
- if (nd->dentry->d_op && nd->dentry->d_op->d_hash) {
- err = nd->dentry->d_op->d_hash(nd->dentry, &this);
+ if (nd->path.dentry->d_op && nd->path.dentry->d_op->d_hash) {
+ err = nd->path.dentry->d_op->d_hash(nd->path.dentry,
+ &this);
if (err < 0)
break;
}
@@ -899,7 +900,7 @@ static fastcall int __link_path_walk(con
if (err)
goto return_err;
err = -ENOENT;
- inode = nd->dentry->d_inode;
+ inode = nd->path.dentry->d_inode;
if (!inode)
break;
err = -ENOTDIR;
@@ -927,13 +928,14 @@ last_component:
if (this.name[1] != '.')
break;
follow_dotdot(nd);
- inode = nd->dentry->d_inode;
+ inode = nd->path.dentry->d_inode;
/* fallthrough */
case 1:
goto return_reval;
}
- if (nd->dentry->d_op && nd->dentry->d_op->d_hash) {
- err = nd->dentry->d_op->d_hash(nd->dentry, &this);
+ if (nd->path.dentry->d_op && nd->path.dentry->d_op->d_hash) {
+ err = nd->path.dentry->d_op->d_hash(nd->path.dentry,
+ &this);
if (err < 0)
break;
}
@@ -946,7 +948,7 @@ last_component:
err = do_follow_link(&next, nd);
if (err)
goto return_err;
- inode = nd->dentry->d_inode;
+ inode = nd->path.dentry->d_inode;
} else
path_to_nameidata(&next, nd);
err = -ENOENT;
@@ -974,11 +976,12 @@ return_reval:
* We bypassed the ordinary revalidation routines.
* We may need to check the cached dentry for staleness.
*/
- if (nd->dentry && nd->dentry->d_sb &&
- (nd->dentry->d_sb->s_type->fs_flags & FS_REVAL_DOT)) {
+ if (nd->path.dentry && nd->path.dentry->d_sb &&
+ (nd->path.dentry->d_sb->s_type->fs_flags & FS_REVAL_DOT)) {
err = -ESTALE;
/* Note: we do not d_invalidate() */
- if (!nd->dentry->d_op->d_revalidate(nd->dentry, nd))
+ if (!nd->path.dentry->d_op->d_revalidate(
+ nd->path.dentry, nd))
break;
}
return_base:
@@ -1005,20 +1008,20 @@ int fastcall link_path_walk(const char *
int result;
/* make sure the stuff we saved doesn't go away */
- dget(save.dentry);
- mntget(save.mnt);
+ dget(save.path.dentry);
+ mntget(save.path.mnt);
result = __link_path_walk(name, nd);
if (result == -ESTALE) {
*nd = save;
- dget(nd->dentry);
- mntget(nd->mnt);
+ dget(nd->path.dentry);
+ mntget(nd->path.mnt);
nd->flags |= LOOKUP_REVAL;
result = __link_path_walk(name, nd);
}
- dput(save.dentry);
- mntput(save.mnt);
+ dput(save.path.dentry);
+ mntput(save.path.mnt);
return result;
}
@@ -1038,9 +1041,10 @@ static int __emul_lookup_dentry(const ch
if (path_walk(name, nd))
return 0; /* something went wrong... */
- if (!nd->dentry->d_inode || S_ISDIR(nd->dentry->d_inode->i_mode)) {
- struct dentry *old_dentry = nd->dentry;
- struct vfsmount *old_mnt = nd->mnt;
+ if (!nd->path.dentry->d_inode ||
+ S_ISDIR(nd->path.dentry->d_inode->i_mode)) {
+ struct dentry *old_dentry = nd->path.dentry;
+ struct vfsmount *old_mnt = nd->path.mnt;
struct qstr last = nd->last;
int last_type = nd->last_type;
struct fs_struct *fs = current->fs;
@@ -1051,19 +1055,19 @@ static int __emul_lookup_dentry(const ch
*/
nd->last_type = LAST_ROOT;
read_lock(&fs->lock);
- nd->mnt = mntget(fs->rootmnt);
- nd->dentry = dget(fs->root);
+ nd->path.mnt = mntget(fs->rootmnt);
+ nd->path.dentry = dget(fs->root);
read_unlock(&fs->lock);
if (path_walk(name, nd) == 0) {
- if (nd->dentry->d_inode) {
+ if (nd->path.dentry->d_inode) {
dput(old_dentry);
mntput(old_mnt);
return 1;
}
path_release(nd);
}
- nd->dentry = old_dentry;
- nd->mnt = old_mnt;
+ nd->path.dentry = old_dentry;
+ nd->path.mnt = old_mnt;
nd->last = last;
nd->last_type = last_type;
}
@@ -1083,8 +1087,8 @@ void set_fs_altroot(void)
goto set_it;
err = path_lookup(emul, LOOKUP_FOLLOW|LOOKUP_DIRECTORY|LOOKUP_NOALT, &nd);
if (!err) {
- mnt = nd.mnt;
- dentry = nd.dentry;
+ mnt = nd.path.mnt;
+ dentry = nd.path.dentry;
}
set_it:
write_lock(&fs->lock);
@@ -1115,20 +1119,20 @@ static int fastcall do_path_lookup(int d
if (*name=='/') {
read_lock(&fs->lock);
if (fs->altroot && !(nd->flags & LOOKUP_NOALT)) {
- nd->mnt = mntget(fs->altrootmnt);
- nd->dentry = dget(fs->altroot);
+ nd->path.mnt = mntget(fs->altrootmnt);
+ nd->path.dentry = dget(fs->altroot);
read_unlock(&fs->lock);
if (__emul_lookup_dentry(name,nd))
goto out; /* found in altroot */
read_lock(&fs->lock);
}
- nd->mnt = mntget(fs->rootmnt);
- nd->dentry = dget(fs->root);
+ nd->path.mnt = mntget(fs->rootmnt);
+ nd->path.dentry = dget(fs->root);
read_unlock(&fs->lock);
} else if (dfd == AT_FDCWD) {
read_lock(&fs->lock);
- nd->mnt = mntget(fs->pwdmnt);
- nd->dentry = dget(fs->pwd);
+ nd->path.mnt = mntget(fs->pwdmnt);
+ nd->path.dentry = dget(fs->pwd);
read_unlock(&fs->lock);
} else {
struct dentry *dentry;
@@ -1148,8 +1152,8 @@ static int fastcall do_path_lookup(int d
if (retval)
goto fput_fail;
- nd->mnt = mntget(file->f_path.mnt);
- nd->dentry = dget(dentry);
+ nd->path.mnt = mntget(file->f_path.mnt);
+ nd->path.dentry = dget(dentry);
fput_light(file, fput_needed);
}
@@ -1157,9 +1161,10 @@ static int fastcall do_path_lookup(int d
retval = link_path_walk(name, nd);
out:
if (likely(retval == 0)) {
- if (unlikely(!audit_dummy_context() && nd && nd->dentry &&
- nd->dentry->d_inode))
- audit_inode(name, nd->dentry->d_inode);
+ if (unlikely(!audit_dummy_context() && nd &&
+ nd->path.dentry &&
+ nd->path.dentry->d_inode))
+ audit_inode(name, nd->path.dentry->d_inode);
}
out_fail:
return retval;
@@ -1289,7 +1294,7 @@ out:
static struct dentry *lookup_hash(struct nameidata *nd)
{
- return __lookup_hash(&nd->last, nd->dentry, nd);
+ return __lookup_hash(&nd->last, nd->path.dentry, nd);
}
/* SMP-safe */
@@ -1515,7 +1520,7 @@ int vfs_create(struct inode *dir, struct
int may_open(struct nameidata *nd, int acc_mode, int flag)
{
- struct dentry *dentry = nd->dentry;
+ struct dentry *dentry = nd->path.dentry;
struct inode *inode = dentry->d_inode;
int error;
@@ -1540,7 +1545,7 @@ int may_open(struct nameidata *nd, int a
if (S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
flag &= ~O_TRUNC;
} else if (S_ISBLK(inode->i_mode) || S_ISCHR(inode->i_mode)) {
- if (nd->mnt->mnt_flags & MNT_NODEV)
+ if (nd->path.mnt->mnt_flags & MNT_NODEV)
return -EACCES;
flag &= ~O_TRUNC;
@@ -1596,14 +1601,14 @@ static int open_namei_create(struct name
int flag, int mode)
{
int error;
- struct dentry *dir = nd->dentry;
+ struct dentry *dir = nd->path.dentry;
if (!IS_POSIXACL(dir->d_inode))
mode &= ~current->fs->umask;
error = vfs_create(dir->d_inode, path->dentry, mode, nd);
mutex_unlock(&dir->d_inode->i_mutex);
- dput(nd->dentry);
- nd->dentry = path->dentry;
+ dput(nd->path.dentry);
+ nd->path.dentry = path->dentry;
if (error)
return error;
/* Don't check for write permission, don't truncate */
@@ -1670,11 +1675,11 @@ int open_namei(int dfd, const char *path
if (nd->last_type != LAST_NORM || nd->last.name[nd->last.len])
goto exit;
- dir = nd->dentry;
+ dir = nd->path.dentry;
nd->flags &= ~LOOKUP_PARENT;
mutex_lock(&dir->d_inode->i_mutex);
path.dentry = lookup_hash(nd);
- path.mnt = nd->mnt;
+ path.mnt = nd->path.mnt;
do_last:
error = PTR_ERR(path.dentry);
@@ -1779,10 +1784,10 @@ do_link:
__putname(nd->last.name);
goto exit;
}
- dir = nd->dentry;
+ dir = nd->path.dentry;
mutex_lock(&dir->d_inode->i_mutex);
path.dentry = lookup_hash(nd);
- path.mnt = nd->mnt;
+ path.mnt = nd->path.mnt;
__putname(nd->last.name);
goto do_last;
}
@@ -1795,13 +1800,13 @@ do_link:
* Simple function to lookup and return a dentry and create it
* if it doesn't exist. Is SMP-safe.
*
- * Returns with nd->dentry->d_inode->i_mutex locked.
+ * Returns with nd->path.dentry->d_inode->i_mutex locked.
*/
struct dentry *lookup_create(struct nameidata *nd, int is_dir)
{
struct dentry *dentry = ERR_PTR(-EEXIST);
- mutex_lock_nested(&nd->dentry->d_inode->i_mutex, I_MUTEX_PARENT);
+ mutex_lock_nested(&nd->path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
/*
* Yucky last component or no last component at all?
* (foo/., foo/.., /////)
@@ -1880,19 +1885,21 @@ asmlinkage long sys_mknodat(int dfd, con
dentry = lookup_create(&nd, 0);
error = PTR_ERR(dentry);
- if (!IS_POSIXACL(nd.dentry->d_inode))
+ if (!IS_POSIXACL(nd.path.dentry->d_inode))
mode &= ~current->fs->umask;
if (!IS_ERR(dentry)) {
switch (mode & S_IFMT) {
case 0: case S_IFREG:
- error = vfs_create(nd.dentry->d_inode,dentry,mode,&nd);
+ error = vfs_create(nd.path.dentry->d_inode, dentry,
+ mode, &nd);
break;
case S_IFCHR: case S_IFBLK:
- error = vfs_mknod(nd.dentry->d_inode,dentry,mode,
- new_decode_dev(dev));
+ error = vfs_mknod(nd.path.dentry->d_inode, dentry, mode,
+ new_decode_dev(dev));
break;
case S_IFIFO: case S_IFSOCK:
- error = vfs_mknod(nd.dentry->d_inode,dentry,mode,0);
+ error = vfs_mknod(nd.path.dentry->d_inode, dentry,
+ mode, 0);
break;
case S_IFDIR:
error = -EPERM;
@@ -1902,7 +1909,7 @@ asmlinkage long sys_mknodat(int dfd, con
}
dput(dentry);
}
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
path_release(&nd);
out:
putname(tmp);
@@ -1957,12 +1964,12 @@ asmlinkage long sys_mkdirat(int dfd, con
if (IS_ERR(dentry))
goto out_unlock;
- if (!IS_POSIXACL(nd.dentry->d_inode))
+ if (!IS_POSIXACL(nd.path.dentry->d_inode))
mode &= ~current->fs->umask;
- error = vfs_mkdir(nd.dentry->d_inode, dentry, mode);
+ error = vfs_mkdir(nd.path.dentry->d_inode, dentry, mode);
dput(dentry);
out_unlock:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
path_release(&nd);
out:
putname(tmp);
@@ -2061,15 +2068,15 @@ static long do_rmdir(int dfd, const char
error = -EBUSY;
goto exit1;
}
- mutex_lock_nested(&nd.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
+ mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
dentry = lookup_hash(&nd);
error = PTR_ERR(dentry);
if (IS_ERR(dentry))
goto exit2;
- error = vfs_rmdir(nd.dentry->d_inode, dentry);
+ error = vfs_rmdir(nd.path.dentry->d_inode, dentry);
dput(dentry);
exit2:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
exit1:
path_release(&nd);
exit:
@@ -2136,7 +2143,7 @@ static long do_unlinkat(int dfd, const c
error = -EISDIR;
if (nd.last_type != LAST_NORM)
goto exit1;
- mutex_lock_nested(&nd.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
+ mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
dentry = lookup_hash(&nd);
error = PTR_ERR(dentry);
if (!IS_ERR(dentry)) {
@@ -2146,11 +2153,11 @@ static long do_unlinkat(int dfd, const c
inode = dentry->d_inode;
if (inode)
atomic_inc(&inode->i_count);
- error = vfs_unlink(nd.dentry->d_inode, dentry);
+ error = vfs_unlink(nd.path.dentry->d_inode, dentry);
exit2:
dput(dentry);
}
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
if (inode)
iput(inode); /* truncate the inode here */
exit1:
@@ -2227,10 +2234,10 @@ asmlinkage long sys_symlinkat(const char
if (IS_ERR(dentry))
goto out_unlock;
- error = vfs_symlink(nd.dentry->d_inode, dentry, from, S_IALLUGO);
+ error = vfs_symlink(nd.path.dentry->d_inode, dentry, from, S_IALLUGO);
dput(dentry);
out_unlock:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
path_release(&nd);
out:
putname(to);
@@ -2316,16 +2323,17 @@ asmlinkage long sys_linkat(int olddfd, c
if (error)
goto out;
error = -EXDEV;
- if (old_nd.mnt != nd.mnt)
+ if (old_nd.path.mnt != nd.path.mnt)
goto out_release;
new_dentry = lookup_create(&nd, 0);
error = PTR_ERR(new_dentry);
if (IS_ERR(new_dentry))
goto out_unlock;
- error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry);
+ error = vfs_link(old_nd.path.dentry, nd.path.dentry->d_inode,
+ new_dentry);
dput(new_dentry);
out_unlock:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
out_release:
path_release(&nd);
out:
@@ -2505,15 +2513,15 @@ static int do_rename(int olddfd, const c
goto exit1;
error = -EXDEV;
- if (oldnd.mnt != newnd.mnt)
+ if (oldnd.path.mnt != newnd.path.mnt)
goto exit2;
- old_dir = oldnd.dentry;
+ old_dir = oldnd.path.dentry;
error = -EBUSY;
if (oldnd.last_type != LAST_NORM)
goto exit2;
- new_dir = newnd.dentry;
+ new_dir = newnd.path.dentry;
if (newnd.last_type != LAST_NORM)
goto exit2;
Index: linux-2.6-hooks/fs/namespace.c
===================================================================
--- linux-2.6-hooks.orig/fs/namespace.c
+++ linux-2.6-hooks/fs/namespace.c
@@ -154,13 +154,13 @@ static void __touch_mnt_namespace(struct
static void detach_mnt(struct vfsmount *mnt, struct nameidata *old_nd)
{
- old_nd->dentry = mnt->mnt_mountpoint;
- old_nd->mnt = mnt->mnt_parent;
+ old_nd->path.dentry = mnt->mnt_mountpoint;
+ old_nd->path.mnt = mnt->mnt_parent;
mnt->mnt_parent = mnt;
mnt->mnt_mountpoint = mnt->mnt_root;
list_del_init(&mnt->mnt_child);
list_del_init(&mnt->mnt_hash);
- old_nd->dentry->d_mounted--;
+ old_nd->path.dentry->d_mounted--;
}
void mnt_set_mountpoint(struct vfsmount *mnt, struct dentry *dentry,
@@ -173,10 +173,10 @@ void mnt_set_mountpoint(struct vfsmount
static void attach_mnt(struct vfsmount *mnt, struct nameidata *nd)
{
- mnt_set_mountpoint(nd->mnt, nd->dentry, mnt);
+ mnt_set_mountpoint(nd->path.mnt, nd->path.dentry, mnt);
list_add_tail(&mnt->mnt_hash, mount_hashtable +
- hash(nd->mnt, nd->dentry));
- list_add_tail(&mnt->mnt_child, &nd->mnt->mnt_mounts);
+ hash(nd->path.mnt, nd->path.dentry));
+ list_add_tail(&mnt->mnt_child, &nd->path.mnt->mnt_mounts);
}
/*
@@ -639,16 +639,16 @@ asmlinkage long sys_umount(char __user *
if (retval)
goto out;
retval = -EINVAL;
- if (nd.dentry != nd.mnt->mnt_root)
+ if (nd.path.dentry != nd.path.mnt->mnt_root)
goto dput_and_out;
- if (!check_mnt(nd.mnt))
+ if (!check_mnt(nd.path.mnt))
goto dput_and_out;
retval = -EPERM;
if (!capable(CAP_SYS_ADMIN))
goto dput_and_out;
- retval = do_umount(nd.mnt, flags);
+ retval = do_umount(nd.path.mnt, flags);
dput_and_out:
path_release_on_umount(&nd);
out:
@@ -673,10 +673,10 @@ static int mount_is_safe(struct nameidat
return 0;
return -EPERM;
#ifdef notyet
- if (S_ISLNK(nd->dentry->d_inode->i_mode))
+ if (S_ISLNK(nd->path.dentry->d_inode->i_mode))
return -EPERM;
- if (nd->dentry->d_inode->i_mode & S_ISVTX) {
- if (current->uid != nd->dentry->d_inode->i_uid)
+ if (nd->path.dentry->d_inode->i_mode & S_ISVTX) {
+ if (current->uid != nd->path.dentry->d_inode->i_uid)
return -EPERM;
}
if (vfs_permission(nd, MAY_WRITE))
@@ -725,8 +725,8 @@ struct vfsmount *copy_tree(struct vfsmou
q = q->mnt_parent;
}
p = s;
- nd.mnt = q;
- nd.dentry = p->mnt_mountpoint;
+ nd.path.mnt = q;
+ nd.path.dentry = p->mnt_mountpoint;
q = clone_mnt(p, p->mnt_root, flag);
if (!q)
goto Enomem;
@@ -815,8 +815,8 @@ static int attach_recursive_mnt(struct v
struct nameidata *nd, struct nameidata *parent_nd)
{
LIST_HEAD(tree_list);
- struct vfsmount *dest_mnt = nd->mnt;
- struct dentry *dest_dentry = nd->dentry;
+ struct vfsmount *dest_mnt = nd->path.mnt;
+ struct dentry *dest_dentry = nd->path.dentry;
struct vfsmount *child, *p;
if (propagate_mnt(dest_mnt, dest_dentry, source_mnt, &tree_list))
@@ -851,13 +851,13 @@ static int graft_tree(struct vfsmount *m
if (mnt->mnt_sb->s_flags & MS_NOUSER)
return -EINVAL;
- if (S_ISDIR(nd->dentry->d_inode->i_mode) !=
+ if (S_ISDIR(nd->path.dentry->d_inode->i_mode) !=
S_ISDIR(mnt->mnt_root->d_inode->i_mode))
return -ENOTDIR;
err = -ENOENT;
- mutex_lock(&nd->dentry->d_inode->i_mutex);
- if (IS_DEADDIR(nd->dentry->d_inode))
+ mutex_lock(&nd->path.dentry->d_inode->i_mutex);
+ if (IS_DEADDIR(nd->path.dentry->d_inode))
goto out_unlock;
err = security_sb_check_sb(mnt, nd);
@@ -865,10 +865,10 @@ static int graft_tree(struct vfsmount *m
goto out_unlock;
err = -ENOENT;
- if (IS_ROOT(nd->dentry) || !d_unhashed(nd->dentry))
+ if (IS_ROOT(nd->path.dentry) || !d_unhashed(nd->path.dentry))
err = attach_recursive_mnt(mnt, nd, NULL);
out_unlock:
- mutex_unlock(&nd->dentry->d_inode->i_mutex);
+ mutex_unlock(&nd->path.dentry->d_inode->i_mutex);
if (!err)
security_sb_post_addmount(mnt, nd);
return err;
@@ -879,11 +879,11 @@ out_unlock:
*/
static int do_change_type(struct nameidata *nd, int flag)
{
- struct vfsmount *m, *mnt = nd->mnt;
+ struct vfsmount *m, *mnt = nd->path.mnt;
int recurse = flag & MS_REC;
int type = flag & ~MS_REC;
- if (nd->dentry != nd->mnt->mnt_root)
+ if (nd->path.dentry != nd->path.mnt->mnt_root)
return -EINVAL;
down_write(&namespace_sem);
@@ -913,17 +913,17 @@ static int do_loopback(struct nameidata
down_write(&namespace_sem);
err = -EINVAL;
- if (IS_MNT_UNBINDABLE(old_nd.mnt))
+ if (IS_MNT_UNBINDABLE(old_nd.path.mnt))
goto out;
- if (!check_mnt(nd->mnt) || !check_mnt(old_nd.mnt))
+ if (!check_mnt(nd->path.mnt) || !check_mnt(old_nd.path.mnt))
goto out;
err = -ENOMEM;
if (recurse)
- mnt = copy_tree(old_nd.mnt, old_nd.dentry, 0);
+ mnt = copy_tree(old_nd.path.mnt, old_nd.path.dentry, 0);
else
- mnt = clone_mnt(old_nd.mnt, old_nd.dentry, 0);
+ mnt = clone_mnt(old_nd.path.mnt, old_nd.path.dentry, 0);
if (!mnt)
goto out;
@@ -952,24 +952,24 @@ static int do_remount(struct nameidata *
void *data)
{
int err;
- struct super_block *sb = nd->mnt->mnt_sb;
+ struct super_block *sb = nd->path.mnt->mnt_sb;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if (!check_mnt(nd->mnt))
+ if (!check_mnt(nd->path.mnt))
return -EINVAL;
- if (nd->dentry != nd->mnt->mnt_root)
+ if (nd->path.dentry != nd->path.mnt->mnt_root)
return -EINVAL;
down_write(&sb->s_umount);
err = do_remount_sb(sb, flags, data, 0);
if (!err)
- nd->mnt->mnt_flags = mnt_flags;
+ nd->path.mnt->mnt_flags = mnt_flags;
up_write(&sb->s_umount);
if (!err)
- security_sb_post_remount(nd->mnt, flags, data);
+ security_sb_post_remount(nd->path.mnt, flags, data);
return err;
}
@@ -997,56 +997,59 @@ static int do_move_mount(struct nameidat
return err;
down_write(&namespace_sem);
- while (d_mountpoint(nd->dentry) && follow_down(&nd->mnt, &nd->dentry))
+ while (d_mountpoint(nd->path.dentry) &&
+ follow_down(&nd->path.mnt, &nd->path.dentry))
;
err = -EINVAL;
- if (!check_mnt(nd->mnt) || !check_mnt(old_nd.mnt))
+ if (!check_mnt(nd->path.mnt) || !check_mnt(old_nd.path.mnt))
goto out;
err = -ENOENT;
- mutex_lock(&nd->dentry->d_inode->i_mutex);
- if (IS_DEADDIR(nd->dentry->d_inode))
+ mutex_lock(&nd->path.dentry->d_inode->i_mutex);
+ if (IS_DEADDIR(nd->path.dentry->d_inode))
goto out1;
- if (!IS_ROOT(nd->dentry) && d_unhashed(nd->dentry))
+ if (!IS_ROOT(nd->path.dentry) && d_unhashed(nd->path.dentry))
goto out1;
err = -EINVAL;
- if (old_nd.dentry != old_nd.mnt->mnt_root)
+ if (old_nd.path.dentry != old_nd.path.mnt->mnt_root)
goto out1;
- if (old_nd.mnt == old_nd.mnt->mnt_parent)
+ if (old_nd.path.mnt == old_nd.path.mnt->mnt_parent)
goto out1;
- if (S_ISDIR(nd->dentry->d_inode->i_mode) !=
- S_ISDIR(old_nd.dentry->d_inode->i_mode))
+ if (S_ISDIR(nd->path.dentry->d_inode->i_mode) !=
+ S_ISDIR(old_nd.path.dentry->d_inode->i_mode))
goto out1;
/*
* Don't move a mount residing in a shared parent.
*/
- if (old_nd.mnt->mnt_parent && IS_MNT_SHARED(old_nd.mnt->mnt_parent))
+ if (old_nd.path.mnt->mnt_parent &&
+ IS_MNT_SHARED(old_nd.path.mnt->mnt_parent))
goto out1;
/*
* Don't move a mount tree containing unbindable mounts to a destination
* mount which is shared.
*/
- if (IS_MNT_SHARED(nd->mnt) && tree_contains_unbindable(old_nd.mnt))
+ if (IS_MNT_SHARED(nd->path.mnt) &&
+ tree_contains_unbindable(old_nd.path.mnt))
goto out1;
err = -ELOOP;
- for (p = nd->mnt; p->mnt_parent != p; p = p->mnt_parent)
- if (p == old_nd.mnt)
+ for (p = nd->path.mnt; p->mnt_parent != p; p = p->mnt_parent)
+ if (p == old_nd.path.mnt)
goto out1;
- if ((err = attach_recursive_mnt(old_nd.mnt, nd, &parent_nd)))
+ if ((err = attach_recursive_mnt(old_nd.path.mnt, nd, &parent_nd)))
goto out1;
spin_lock(&vfsmount_lock);
/* if the mount is moved, it should no longer be expire
* automatically */
- list_del_init(&old_nd.mnt->mnt_expire);
+ list_del_init(&old_nd.path.mnt->mnt_expire);
spin_unlock(&vfsmount_lock);
out1:
- mutex_unlock(&nd->dentry->d_inode->i_mutex);
+ mutex_unlock(&nd->path.dentry->d_inode->i_mutex);
out:
up_write(&namespace_sem);
if (!err)
@@ -1089,16 +1092,17 @@ int do_add_mount(struct vfsmount *newmnt
down_write(&namespace_sem);
/* Something was mounted here while we slept */
- while (d_mountpoint(nd->dentry) && follow_down(&nd->mnt, &nd->dentry))
+ while (d_mountpoint(nd->path.dentry) &&
+ follow_down(&nd->path.mnt, &nd->path.dentry))
;
err = -EINVAL;
- if (!check_mnt(nd->mnt))
+ if (!check_mnt(nd->path.mnt))
goto unlock;
/* Refuse the same filesystem on the same mount point */
err = -EBUSY;
- if (nd->mnt->mnt_sb == newmnt->mnt_sb &&
- nd->mnt->mnt_root == nd->dentry)
+ if (nd->path.mnt->mnt_sb == newmnt->mnt_sb &&
+ nd->path.mnt->mnt_root == nd->path.dentry)
goto unlock;
err = -EINVAL;
@@ -1640,12 +1644,14 @@ static void chroot_fs_refs(struct nameid
if (fs) {
atomic_inc(&fs->count);
task_unlock(p);
- if (fs->root == old_nd->dentry
- && fs->rootmnt == old_nd->mnt)
- set_fs_root(fs, new_nd->mnt, new_nd->dentry);
- if (fs->pwd == old_nd->dentry
- && fs->pwdmnt == old_nd->mnt)
- set_fs_pwd(fs, new_nd->mnt, new_nd->dentry);
+ if (fs->root == old_nd->path.dentry
+ && fs->rootmnt == old_nd->path.mnt)
+ set_fs_root(fs, new_nd->path.mnt,
+ new_nd->path.dentry);
+ if (fs->pwd == old_nd->path.dentry
+ && fs->pwdmnt == old_nd->path.mnt)
+ set_fs_pwd(fs, new_nd->path.mnt,
+ new_nd->path.dentry);
put_fs_struct(fs);
} else
task_unlock(p);
@@ -1695,7 +1701,7 @@ asmlinkage long sys_pivot_root(const cha
if (error)
goto out0;
error = -EINVAL;
- if (!check_mnt(new_nd.mnt))
+ if (!check_mnt(new_nd.path.mnt))
goto out1;
error = __user_walk(put_old, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &old_nd);
@@ -1709,55 +1715,56 @@ asmlinkage long sys_pivot_root(const cha
}
read_lock(&current->fs->lock);
- user_nd.mnt = mntget(current->fs->rootmnt);
- user_nd.dentry = dget(current->fs->root);
+ user_nd.path.mnt = mntget(current->fs->rootmnt);
+ user_nd.path.dentry = dget(current->fs->root);
read_unlock(&current->fs->lock);
down_write(&namespace_sem);
- mutex_lock(&old_nd.dentry->d_inode->i_mutex);
+ mutex_lock(&old_nd.path.dentry->d_inode->i_mutex);
error = -EINVAL;
- if (IS_MNT_SHARED(old_nd.mnt) ||
- IS_MNT_SHARED(new_nd.mnt->mnt_parent) ||
- IS_MNT_SHARED(user_nd.mnt->mnt_parent))
+ if (IS_MNT_SHARED(old_nd.path.mnt) ||
+ IS_MNT_SHARED(new_nd.path.mnt->mnt_parent) ||
+ IS_MNT_SHARED(user_nd.path.mnt->mnt_parent))
goto out2;
- if (!check_mnt(user_nd.mnt))
+ if (!check_mnt(user_nd.path.mnt))
goto out2;
error = -ENOENT;
- if (IS_DEADDIR(new_nd.dentry->d_inode))
+ if (IS_DEADDIR(new_nd.path.dentry->d_inode))
goto out2;
- if (d_unhashed(new_nd.dentry) && !IS_ROOT(new_nd.dentry))
+ if (d_unhashed(new_nd.path.dentry) && !IS_ROOT(new_nd.path.dentry))
goto out2;
- if (d_unhashed(old_nd.dentry) && !IS_ROOT(old_nd.dentry))
+ if (d_unhashed(old_nd.path.dentry) && !IS_ROOT(old_nd.path.dentry))
goto out2;
error = -EBUSY;
- if (new_nd.mnt == user_nd.mnt || old_nd.mnt == user_nd.mnt)
+ if (new_nd.path.mnt == user_nd.path.mnt ||
+ old_nd.path.mnt == user_nd.path.mnt)
goto out2; /* loop, on the same file system */
error = -EINVAL;
- if (user_nd.mnt->mnt_root != user_nd.dentry)
+ if (user_nd.path.mnt->mnt_root != user_nd.path.dentry)
goto out2; /* not a mountpoint */
- if (user_nd.mnt->mnt_parent == user_nd.mnt)
+ if (user_nd.path.mnt->mnt_parent == user_nd.path.mnt)
goto out2; /* not attached */
- if (new_nd.mnt->mnt_root != new_nd.dentry)
+ if (new_nd.path.mnt->mnt_root != new_nd.path.dentry)
goto out2; /* not a mountpoint */
- if (new_nd.mnt->mnt_parent == new_nd.mnt)
+ if (new_nd.path.mnt->mnt_parent == new_nd.path.mnt)
goto out2; /* not attached */
- tmp = old_nd.mnt; /* make sure we can reach put_old from new_root */
+ tmp = old_nd.path.mnt; /* make sure we can reach put_old from new_root */
spin_lock(&vfsmount_lock);
- if (tmp != new_nd.mnt) {
+ if (tmp != new_nd.path.mnt) {
for (;;) {
if (tmp->mnt_parent == tmp)
goto out3; /* already mounted on put_old */
- if (tmp->mnt_parent == new_nd.mnt)
+ if (tmp->mnt_parent == new_nd.path.mnt)
break;
tmp = tmp->mnt_parent;
}
- if (!is_subdir(tmp->mnt_mountpoint, new_nd.dentry))
+ if (!is_subdir(tmp->mnt_mountpoint, new_nd.path.dentry))
goto out3;
- } else if (!is_subdir(old_nd.dentry, new_nd.dentry))
+ } else if (!is_subdir(old_nd.path.dentry, new_nd.path.dentry))
goto out3;
- detach_mnt(new_nd.mnt, &parent_nd);
- detach_mnt(user_nd.mnt, &root_parent);
- attach_mnt(user_nd.mnt, &old_nd); /* mount old root on put_old */
- attach_mnt(new_nd.mnt, &root_parent); /* mount new_root on / */
+ detach_mnt(new_nd.path.mnt, &parent_nd);
+ detach_mnt(user_nd.path.mnt, &root_parent);
+ attach_mnt(user_nd.path.mnt, &old_nd); /* mount old root on put_old */
+ attach_mnt(new_nd.path.mnt, &root_parent); /* mount new_root on / */
touch_mnt_namespace(current->nsproxy->mnt_ns);
spin_unlock(&vfsmount_lock);
chroot_fs_refs(&user_nd, &new_nd);
@@ -1766,7 +1773,7 @@ asmlinkage long sys_pivot_root(const cha
path_release(&root_parent);
path_release(&parent_nd);
out2:
- mutex_unlock(&old_nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&old_nd.path.dentry->d_inode->i_mutex);
up_write(&namespace_sem);
path_release(&user_nd);
path_release(&old_nd);
Index: linux-2.6-hooks/fs/nfs/dir.c
===================================================================
--- linux-2.6-hooks.orig/fs/nfs/dir.c
+++ linux-2.6-hooks/fs/nfs/dir.c
@@ -923,7 +923,7 @@ static struct dentry *nfs_lookup(struct
res = ERR_PTR(error);
goto out_unlock;
}
- error = nfs_reval_fsid(nd->mnt, dir, &fhandle, &fattr);
+ error = nfs_reval_fsid(nd->path.mnt, dir, &fhandle, &fattr);
if (error < 0) {
res = ERR_PTR(error);
goto out_unlock;
Index: linux-2.6-hooks/fs/nfs/namespace.c
===================================================================
--- linux-2.6-hooks.orig/fs/nfs/namespace.c
+++ linux-2.6-hooks/fs/nfs/namespace.c
@@ -107,38 +107,40 @@ static void * nfs_follow_mountpoint(stru
BUG_ON(IS_ROOT(dentry));
dprintk("%s: enter\n", __FUNCTION__);
- dput(nd->dentry);
- nd->dentry = dget(dentry);
+ dput(nd->path.dentry);
+ nd->path.dentry = dget(dentry);
/* Look it up again */
- parent = dget_parent(nd->dentry);
+ parent = dget_parent(nd->path.dentry);
err = server->nfs_client->rpc_ops->lookup(parent->d_inode,
- &nd->dentry->d_name,
+ &nd->path.dentry->d_name,
&fh, &fattr);
dput(parent);
if (err != 0)
goto out_err;
if (fattr.valid & NFS_ATTR_FATTR_V4_REFERRAL)
- mnt = nfs_do_refmount(nd->mnt, nd->dentry);
+ mnt = nfs_do_refmount(nd->path.mnt, nd->path.dentry);
else
- mnt = nfs_do_submount(nd->mnt, nd->dentry, &fh, &fattr);
+ mnt = nfs_do_submount(nd->path.mnt, nd->path.dentry, &fh,
+ &fattr);
err = PTR_ERR(mnt);
if (IS_ERR(mnt))
goto out_err;
mntget(mnt);
- err = do_add_mount(mnt, nd, nd->mnt->mnt_flags|MNT_SHRINKABLE, &nfs_automount_list);
+ err = do_add_mount(mnt, nd, nd->path.mnt->mnt_flags|MNT_SHRINKABLE,
+ &nfs_automount_list);
if (err < 0) {
mntput(mnt);
if (err == -EBUSY)
goto out_follow;
goto out_err;
}
- mntput(nd->mnt);
- dput(nd->dentry);
- nd->mnt = mnt;
- nd->dentry = dget(mnt->mnt_root);
+ mntput(nd->path.mnt);
+ dput(nd->path.dentry);
+ nd->path.mnt = mnt;
+ nd->path.dentry = dget(mnt->mnt_root);
schedule_delayed_work(&nfs_automount_task, nfs_mountpoint_expiry_timeout);
out:
dprintk("%s: done, returned %d\n", __FUNCTION__, err);
@@ -149,7 +151,8 @@ out_err:
path_release(nd);
goto out;
out_follow:
- while(d_mountpoint(nd->dentry) && follow_down(&nd->mnt, &nd->dentry))
+ while(d_mountpoint(nd->path.dentry) &&
+ follow_down(&nd->path.mnt, &nd->path.dentry))
;
err = 0;
goto out;
Index: linux-2.6-hooks/fs/nfsctl.c
===================================================================
--- linux-2.6-hooks.orig/fs/nfsctl.c
+++ linux-2.6-hooks/fs/nfsctl.c
@@ -25,12 +25,12 @@ static struct file *do_open(char *name,
struct nameidata nd;
int error;
- nd.mnt = do_kern_mount("nfsd", 0, "nfsd", NULL);
+ nd.path.mnt = do_kern_mount("nfsd", 0, "nfsd", NULL);
- if (IS_ERR(nd.mnt))
- return (struct file *)nd.mnt;
+ if (IS_ERR(nd.path.mnt))
+ return (struct file *)nd.path.mnt;
- nd.dentry = dget(nd.mnt->mnt_root);
+ nd.path.dentry = dget(nd.path.mnt->mnt_root);
nd.last_type = LAST_ROOT;
nd.flags = 0;
nd.depth = 0;
@@ -45,7 +45,7 @@ static struct file *do_open(char *name,
error = may_open(&nd, MAY_WRITE, FMODE_WRITE);
if (!error)
- return dentry_open(nd.dentry, nd.mnt, flags);
+ return dentry_open(nd.path.dentry, nd.path.mnt, flags);
path_release(&nd);
return ERR_PTR(error);
Index: linux-2.6-hooks/fs/nfsd/export.c
===================================================================
--- linux-2.6-hooks.orig/fs/nfsd/export.c
+++ linux-2.6-hooks/fs/nfsd/export.c
@@ -167,8 +167,8 @@ static int expkey_parse(struct cache_det
goto out;
dprintk("Found the path %s\n", buf);
- key.ek_mnt = nd.mnt;
- key.ek_dentry = nd.dentry;
+ key.ek_mnt = nd.path.mnt;
+ key.ek_dentry = nd.path.dentry;
ek = svc_expkey_update(&key, ek);
if (ek)
@@ -472,7 +472,7 @@ static int svc_export_parse(struct cache
struct svc_export exp, *expp;
int an_int;
- nd.dentry = NULL;
+ nd.path.dentry = NULL;
exp.ex_path = NULL;
if (mesg[mlen-1] != '\n')
@@ -502,8 +502,8 @@ static int svc_export_parse(struct cache
exp.h.flags = 0;
exp.ex_client = dom;
- exp.ex_mnt = nd.mnt;
- exp.ex_dentry = nd.dentry;
+ exp.ex_mnt = nd.path.mnt;
+ exp.ex_dentry = nd.path.dentry;
exp.ex_path = kstrdup(buf, GFP_KERNEL);
err = -ENOMEM;
if (!exp.ex_path)
@@ -543,7 +543,7 @@ static int svc_export_parse(struct cache
if (err) goto out;
exp.ex_fsid = an_int;
- err = check_export(nd.dentry->d_inode, exp.ex_flags);
+ err = check_export(nd.path.dentry->d_inode, exp.ex_flags);
if (err) goto out;
err = fsloc_parse(&mesg, buf, &exp.ex_fslocs);
@@ -563,7 +563,7 @@ static int svc_export_parse(struct cache
exp_put(expp);
out:
kfree(exp.ex_path);
- if (nd.dentry)
+ if (nd.path.dentry)
path_release(&nd);
out_no_path:
if (dom)
@@ -952,7 +952,7 @@ exp_export(struct nfsctl_export *nxp)
goto out_unlock;
err = -EINVAL;
- exp = exp_get_by_name(clp, nd.mnt, nd.dentry, NULL);
+ exp = exp_get_by_name(clp, nd.path.mnt, nd.path.dentry, NULL);
memset(&new, 0, sizeof(new));
@@ -961,7 +961,8 @@ exp_export(struct nfsctl_export *nxp)
(fsid_key = exp_get_fsid_key(clp, nxp->ex_dev)) &&
!IS_ERR(fsid_key) &&
fsid_key->ek_mnt &&
- (fsid_key->ek_mnt != nd.mnt || fsid_key->ek_dentry != nd.dentry) )
+ (fsid_key->ek_mnt != nd.path.mnt ||
+ fsid_key->ek_dentry != nd.path.dentry) )
goto finish;
if (exp) {
@@ -977,7 +978,7 @@ exp_export(struct nfsctl_export *nxp)
goto finish;
}
- err = check_export(nd.dentry->d_inode, nxp->ex_flags);
+ err = check_export(nd.path.dentry->d_inode, nxp->ex_flags);
if (err) goto finish;
err = -ENOMEM;
@@ -990,8 +991,8 @@ exp_export(struct nfsctl_export *nxp)
if (!new.ex_path)
goto finish;
new.ex_client = clp;
- new.ex_mnt = nd.mnt;
- new.ex_dentry = nd.dentry;
+ new.ex_mnt = nd.path.mnt;
+ new.ex_dentry = nd.path.dentry;
new.ex_flags = nxp->ex_flags;
new.ex_anon_uid = nxp->ex_anon_uid;
new.ex_anon_gid = nxp->ex_anon_gid;
@@ -1071,7 +1072,7 @@ exp_unexport(struct nfsctl_export *nxp)
goto out_domain;
err = -EINVAL;
- exp = exp_get_by_name(dom, nd.mnt, nd.dentry, NULL);
+ exp = exp_get_by_name(dom, nd.path.mnt, nd.path.dentry, NULL);
path_release(&nd);
if (!exp)
goto out_domain;
@@ -1108,12 +1109,12 @@ exp_rootfh(svc_client *clp, char *path,
printk("nfsd: exp_rootfh path not found %s", path);
return err;
}
- inode = nd.dentry->d_inode;
+ inode = nd.path.dentry->d_inode;
dprintk("nfsd: exp_rootfh(%s [%p] %s:%s/%ld)\n",
- path, nd.dentry, clp->name,
+ path, nd.path.dentry, clp->name,
inode->i_sb->s_id, inode->i_ino);
- exp = exp_parent(clp, nd.mnt, nd.dentry, NULL);
+ exp = exp_parent(clp, nd.path.mnt, nd.path.dentry, NULL);
if (IS_ERR(exp)) {
err = PTR_ERR(exp);
goto out;
@@ -1127,7 +1128,7 @@ exp_rootfh(svc_client *clp, char *path,
* fh must be initialized before calling fh_compose
*/
fh_init(&fh, maxsize);
- if (fh_compose(&fh, exp, nd.dentry, NULL))
+ if (fh_compose(&fh, exp, nd.path.dentry, NULL))
err = -EINVAL;
else
err = 0;
Index: linux-2.6-hooks/fs/nfsd/nfs4recover.c
===================================================================
--- linux-2.6-hooks.orig/fs/nfsd/nfs4recover.c
+++ linux-2.6-hooks/fs/nfsd/nfs4recover.c
@@ -122,9 +122,9 @@ out_no_tfm:
static void
nfsd4_sync_rec_dir(void)
{
- mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
- nfsd_sync_dir(rec_dir.dentry);
- mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+ mutex_lock(&rec_dir.path.dentry->d_inode->i_mutex);
+ nfsd_sync_dir(rec_dir.path.dentry);
+ mutex_unlock(&rec_dir.path.dentry->d_inode->i_mutex);
}
int
@@ -144,9 +144,9 @@ nfsd4_create_clid_dir(struct nfs4_client
nfs4_save_user(&uid, &gid);
/* lock the parent */
- mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+ mutex_lock(&rec_dir.path.dentry->d_inode->i_mutex);
- dentry = lookup_one_len(dname, rec_dir.dentry, HEXDIR_LEN-1);
+ dentry = lookup_one_len(dname, rec_dir.path.dentry, HEXDIR_LEN-1);
if (IS_ERR(dentry)) {
status = PTR_ERR(dentry);
goto out_unlock;
@@ -156,11 +156,11 @@ nfsd4_create_clid_dir(struct nfs4_client
dprintk("NFSD: nfsd4_create_clid_dir: DIRECTORY EXISTS\n");
goto out_put;
}
- status = vfs_mkdir(rec_dir.dentry->d_inode, dentry, S_IRWXU);
+ status = vfs_mkdir(rec_dir.path.dentry->d_inode, dentry, S_IRWXU);
out_put:
dput(dentry);
out_unlock:
- mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+ mutex_unlock(&rec_dir.path.dentry->d_inode->i_mutex);
if (status == 0) {
clp->cl_firststate = 1;
nfsd4_sync_rec_dir();
@@ -223,7 +223,7 @@ nfsd4_list_rec_dir(struct dentry *dir, r
nfs4_save_user(&uid, &gid);
- filp = dentry_open(dget(dir), mntget(rec_dir.mnt), O_RDONLY);
+ filp = dentry_open(dget(dir), mntget(rec_dir.path.mnt), O_RDONLY);
status = PTR_ERR(filp);
if (IS_ERR(filp))
goto out;
@@ -288,9 +288,9 @@ nfsd4_unlink_clid_dir(char *name, int na
dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
- mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
- dentry = lookup_one_len(name, rec_dir.dentry, namlen);
- mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+ mutex_lock(&rec_dir.path.dentry->d_inode->i_mutex);
+ dentry = lookup_one_len(name, rec_dir.path.dentry, namlen);
+ mutex_unlock(&rec_dir.path.dentry->d_inode->i_mutex);
if (IS_ERR(dentry)) {
status = PTR_ERR(dentry);
return status;
@@ -299,7 +299,7 @@ nfsd4_unlink_clid_dir(char *name, int na
if (!dentry->d_inode)
goto out;
- status = nfsd4_clear_clid_dir(rec_dir.dentry, dentry);
+ status = nfsd4_clear_clid_dir(rec_dir.path.dentry, dentry);
out:
dput(dentry);
return status;
@@ -349,12 +349,12 @@ nfsd4_recdir_purge_old(void) {
if (!rec_dir_init)
return;
- status = nfsd4_list_rec_dir(rec_dir.dentry, purge_old);
+ status = nfsd4_list_rec_dir(rec_dir.path.dentry, purge_old);
if (status == 0)
nfsd4_sync_rec_dir();
if (status)
printk("nfsd4: failed to purge old clients from recovery"
- " directory %s\n", rec_dir.dentry->d_name.name);
+ " directory %s\n", rec_dir.path.dentry->d_name.name);
return;
}
@@ -375,10 +375,10 @@ int
nfsd4_recdir_load(void) {
int status;
- status = nfsd4_list_rec_dir(rec_dir.dentry, load_recdir);
+ status = nfsd4_list_rec_dir(rec_dir.path.dentry, load_recdir);
if (status)
printk("nfsd4: failed loading clients from recovery"
- " directory %s\n", rec_dir.dentry->d_name.name);
+ " directory %s\n", rec_dir.path.dentry->d_name.name);
return status;
}
Index: linux-2.6-hooks/fs/nfsd/nfs4state.c
===================================================================
--- linux-2.6-hooks.orig/fs/nfsd/nfs4state.c
+++ linux-2.6-hooks/fs/nfsd/nfs4state.c
@@ -3299,7 +3299,7 @@ nfs4_reset_recoverydir(char *recdir)
if (status)
return status;
status = -ENOTDIR;
- if (S_ISDIR(nd.dentry->d_inode->i_mode)) {
+ if (S_ISDIR(nd.path.dentry->d_inode->i_mode)) {
nfs4_set_recdir(recdir);
status = 0;
}
Index: linux-2.6-hooks/fs/open.c
===================================================================
--- linux-2.6-hooks.orig/fs/open.c
+++ linux-2.6-hooks/fs/open.c
@@ -127,7 +127,7 @@ asmlinkage long sys_statfs(const char __
error = user_path_walk(path, &nd);
if (!error) {
struct statfs tmp;
- error = vfs_statfs_native(nd.dentry, &tmp);
+ error = vfs_statfs_native(nd.path.dentry, &tmp);
if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
error = -EFAULT;
path_release(&nd);
@@ -146,7 +146,7 @@ asmlinkage long sys_statfs64(const char
error = user_path_walk(path, &nd);
if (!error) {
struct statfs64 tmp;
- error = vfs_statfs64(nd.dentry, &tmp);
+ error = vfs_statfs64(nd.path.dentry, &tmp);
if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
error = -EFAULT;
path_release(&nd);
@@ -230,7 +230,7 @@ static long do_sys_truncate(const char _
error = user_path_walk(path, &nd);
if (error)
goto out;
- inode = nd.dentry->d_inode;
+ inode = nd.path.dentry->d_inode;
/* For directories it's -EISDIR, for other non-regulars - -EINVAL */
error = -EISDIR;
@@ -267,7 +267,7 @@ static long do_sys_truncate(const char _
error = locks_verify_truncate(inode, NULL, length);
if (!error) {
DQUOT_INIT(inode);
- error = do_truncate(nd.dentry, length, 0, NULL);
+ error = do_truncate(nd.path.dentry, length, 0, NULL);
}
put_write_access(inode);
@@ -392,10 +392,10 @@ asmlinkage long sys_faccessat(int dfd, c
res = vfs_permission(&nd, mode);
/* SuS v2 requires we report a read only fs too */
if(res || !(mode & S_IWOTH) ||
- special_file(nd.dentry->d_inode->i_mode))
+ special_file(nd.path.dentry->d_inode->i_mode))
goto out_path_release;
- if(IS_RDONLY(nd.dentry->d_inode))
+ if(IS_RDONLY(nd.path.dentry->d_inode))
res = -EROFS;
out_path_release:
@@ -427,7 +427,7 @@ asmlinkage long sys_chdir(const char __u
if (error)
goto dput_and_out;
- set_fs_pwd(current->fs, nd.mnt, nd.dentry);
+ set_fs_pwd(current->fs, nd.path.mnt, nd.path.dentry);
dput_and_out:
path_release(&nd);
@@ -482,7 +482,7 @@ asmlinkage long sys_chroot(const char __
if (!capable(CAP_SYS_CHROOT))
goto dput_and_out;
- set_fs_root(current->fs, nd.mnt, nd.dentry);
+ set_fs_root(current->fs, nd.path.mnt, nd.path.dentry);
set_fs_altroot();
error = 0;
dput_and_out:
@@ -539,7 +539,7 @@ asmlinkage long sys_fchmodat(int dfd, co
error = __user_walk_fd(dfd, filename, LOOKUP_FOLLOW, &nd);
if (error)
goto out;
- inode = nd.dentry->d_inode;
+ inode = nd.path.dentry->d_inode;
error = -EROFS;
if (IS_RDONLY(inode))
@@ -554,7 +554,7 @@ asmlinkage long sys_fchmodat(int dfd, co
mode = inode->i_mode;
newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
- error = notify_change(nd.dentry, &newattrs);
+ error = notify_change(nd.path.dentry, &newattrs);
mutex_unlock(&inode->i_mutex);
dput_and_out:
@@ -611,7 +611,7 @@ asmlinkage long sys_chown(const char __u
error = user_path_walk(filename, &nd);
if (error)
goto out;
- error = chown_common(nd.dentry, user, group);
+ error = chown_common(nd.path.dentry, user, group);
path_release(&nd);
out:
return error;
@@ -631,7 +631,7 @@ asmlinkage long sys_fchownat(int dfd, co
error = __user_walk_fd(dfd, filename, follow, &nd);
if (error)
goto out;
- error = chown_common(nd.dentry, user, group);
+ error = chown_common(nd.path.dentry, user, group);
path_release(&nd);
out:
return error;
@@ -645,7 +645,7 @@ asmlinkage long sys_lchown(const char __
error = user_path_walk_link(filename, &nd);
if (error)
goto out;
- error = chown_common(nd.dentry, user, group);
+ error = chown_common(nd.path.dentry, user, group);
path_release(&nd);
out:
return error;
@@ -795,7 +795,7 @@ struct file *lookup_instantiate_filp(str
goto out;
if (IS_ERR(dentry))
goto out_err;
- nd->intent.open.file = __dentry_open(dget(dentry), mntget(nd->mnt),
+ nd->intent.open.file = __dentry_open(dget(dentry), mntget(nd->path.mnt),
nd->intent.open.flags - 1,
nd->intent.open.file,
open);
@@ -823,7 +823,8 @@ struct file *nameidata_to_filp(struct na
filp = nd->intent.open.file;
/* Has the filesystem initialised the file for us? */
if (filp->f_path.dentry == NULL)
- filp = __dentry_open(nd->dentry, nd->mnt, flags, filp, NULL);
+ filp = __dentry_open(nd->path.dentry, nd->path.mnt, flags, filp,
+ NULL);
else
path_release(nd);
return filp;
Index: linux-2.6-hooks/fs/proc/base.c
===================================================================
--- linux-2.6-hooks.orig/fs/proc/base.c
+++ linux-2.6-hooks/fs/proc/base.c
@@ -926,7 +926,8 @@ static void *proc_pid_follow_link(struct
if (!proc_fd_access_allowed(inode))
goto out;
- error = PROC_I(inode)->op.proc_get_link(inode, &nd->dentry, &nd->mnt);
+ error = PROC_I(inode)->op.proc_get_link(inode, &nd->path.dentry,
+ &nd->path.mnt);
nd->last_type = LAST_BIND;
out:
return ERR_PTR(error);
Index: linux-2.6-hooks/fs/reiserfs/super.c
===================================================================
--- linux-2.6-hooks.orig/fs/reiserfs/super.c
+++ linux-2.6-hooks/fs/reiserfs/super.c
@@ -1983,12 +1983,12 @@ static int reiserfs_quota_on(struct supe
if (err)
return err;
/* Quotafile not on the same filesystem? */
- if (nd.mnt->mnt_sb != sb) {
+ if (nd.path.mnt->mnt_sb != sb) {
path_release(&nd);
return -EXDEV;
}
/* We must not pack tails for quota files on reiserfs for quota IO to work */
- if (!REISERFS_I(nd.dentry->d_inode)->i_flags & i_nopack_mask) {
+ if (!REISERFS_I(nd.path.dentry->d_inode)->i_flags & i_nopack_mask) {
reiserfs_warning(sb,
"reiserfs: Quota file must have tail packing disabled.");
path_release(&nd);
@@ -2001,7 +2001,7 @@ static int reiserfs_quota_on(struct supe
return vfs_quota_on(sb, type, format_id, path);
}
/* Quotafile not of fs root? */
- if (nd.dentry->d_parent->d_inode != sb->s_root->d_inode)
+ if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
reiserfs_warning(sb,
"reiserfs: Quota file not on filesystem root. "
"Journalled quota will not work.");
Index: linux-2.6-hooks/fs/stat.c
===================================================================
--- linux-2.6-hooks.orig/fs/stat.c
+++ linux-2.6-hooks/fs/stat.c
@@ -63,7 +63,7 @@ int vfs_stat_fd(int dfd, char __user *na
error = __user_walk_fd(dfd, name, LOOKUP_FOLLOW, &nd);
if (!error) {
- error = vfs_getattr(nd.mnt, nd.dentry, stat);
+ error = vfs_getattr(nd.path.mnt, nd.path.dentry, stat);
path_release(&nd);
}
return error;
@@ -83,7 +83,7 @@ int vfs_lstat_fd(int dfd, char __user *n
error = __user_walk_fd(dfd, name, 0, &nd);
if (!error) {
- error = vfs_getattr(nd.mnt, nd.dentry, stat);
+ error = vfs_getattr(nd.path.mnt, nd.path.dentry, stat);
path_release(&nd);
}
return error;
@@ -303,14 +303,15 @@ asmlinkage long sys_readlinkat(int dfd,
error = __user_walk_fd(dfd, path, 0, &nd);
if (!error) {
- struct inode * inode = nd.dentry->d_inode;
+ struct inode * inode = nd.path.dentry->d_inode;
error = -EINVAL;
if (inode->i_op && inode->i_op->readlink) {
- error = security_inode_readlink(nd.dentry);
+ error = security_inode_readlink(nd.path.dentry);
if (!error) {
- touch_atime(nd.mnt, nd.dentry);
- error = inode->i_op->readlink(nd.dentry, buf, bufsiz);
+ touch_atime(nd.path.mnt, nd.path.dentry);
+ error = inode->i_op->readlink(nd.path.dentry,
+ buf, bufsiz);
}
}
path_release(&nd);
Index: linux-2.6-hooks/fs/utimes.c
===================================================================
--- linux-2.6-hooks.orig/fs/utimes.c
+++ linux-2.6-hooks/fs/utimes.c
@@ -30,7 +30,7 @@ asmlinkage long sys_utime(char __user *
error = user_path_walk(filename, &nd);
if (error)
goto out;
- inode = nd.dentry->d_inode;
+ inode = nd.path.dentry->d_inode;
error = -EROFS;
if (IS_RDONLY(inode))
@@ -62,7 +62,7 @@ asmlinkage long sys_utime(char __user *
goto dput_and_out;
}
mutex_lock(&inode->i_mutex);
- error = notify_change(nd.dentry, &newattrs);
+ error = notify_change(nd.path.dentry, &newattrs);
mutex_unlock(&inode->i_mutex);
dput_and_out:
path_release(&nd);
@@ -87,7 +87,7 @@ long do_utimes(int dfd, char __user *fil
if (error)
goto out;
- inode = nd.dentry->d_inode;
+ inode = nd.path.dentry->d_inode;
error = -EROFS;
if (IS_RDONLY(inode))
@@ -115,7 +115,7 @@ long do_utimes(int dfd, char __user *fil
goto dput_and_out;
}
mutex_lock(&inode->i_mutex);
- error = notify_change(nd.dentry, &newattrs);
+ error = notify_change(nd.path.dentry, &newattrs);
mutex_unlock(&inode->i_mutex);
dput_and_out:
path_release(&nd);
Index: linux-2.6-hooks/fs/xattr.c
===================================================================
--- linux-2.6-hooks.orig/fs/xattr.c
+++ linux-2.6-hooks/fs/xattr.c
@@ -237,7 +237,7 @@ sys_setxattr(char __user *path, char __u
error = user_path_walk(path, &nd);
if (error)
return error;
- error = setxattr(nd.dentry, name, value, size, flags);
+ error = setxattr(nd.path.dentry, name, value, size, flags);
path_release(&nd);
return error;
}
@@ -252,7 +252,7 @@ sys_lsetxattr(char __user *path, char __
error = user_path_walk_link(path, &nd);
if (error)
return error;
- error = setxattr(nd.dentry, name, value, size, flags);
+ error = setxattr(nd.path.dentry, name, value, size, flags);
path_release(&nd);
return error;
}
@@ -322,7 +322,7 @@ sys_getxattr(char __user *path, char __u
error = user_path_walk(path, &nd);
if (error)
return error;
- error = getxattr(nd.dentry, name, value, size);
+ error = getxattr(nd.path.dentry, name, value, size);
path_release(&nd);
return error;
}
@@ -337,7 +337,7 @@ sys_lgetxattr(char __user *path, char __
error = user_path_walk_link(path, &nd);
if (error)
return error;
- error = getxattr(nd.dentry, name, value, size);
+ error = getxattr(nd.path.dentry, name, value, size);
path_release(&nd);
return error;
}
@@ -395,7 +395,7 @@ sys_listxattr(char __user *path, char __
error = user_path_walk(path, &nd);
if (error)
return error;
- error = listxattr(nd.dentry, list, size);
+ error = listxattr(nd.path.dentry, list, size);
path_release(&nd);
return error;
}
@@ -409,7 +409,7 @@ sys_llistxattr(char __user *path, char _
error = user_path_walk_link(path, &nd);
if (error)
return error;
- error = listxattr(nd.dentry, list, size);
+ error = listxattr(nd.path.dentry, list, size);
path_release(&nd);
return error;
}
@@ -455,7 +455,7 @@ sys_removexattr(char __user *path, char
error = user_path_walk(path, &nd);
if (error)
return error;
- error = removexattr(nd.dentry, name);
+ error = removexattr(nd.path.dentry, name);
path_release(&nd);
return error;
}
@@ -469,7 +469,7 @@ sys_lremovexattr(char __user *path, char
error = user_path_walk_link(path, &nd);
if (error)
return error;
- error = removexattr(nd.dentry, name);
+ error = removexattr(nd.path.dentry, name);
path_release(&nd);
return error;
}
Index: linux-2.6-hooks/fs/xfs/linux-2.6/xfs_ioctl.c
===================================================================
--- linux-2.6-hooks.orig/fs/xfs/linux-2.6/xfs_ioctl.c
+++ linux-2.6-hooks/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -93,9 +93,9 @@ xfs_find_handle(
if (error)
return error;
- ASSERT(nd.dentry);
- ASSERT(nd.dentry->d_inode);
- inode = igrab(nd.dentry->d_inode);
+ ASSERT(nd.path.dentry);
+ ASSERT(nd.path.dentry->d_inode);
+ inode = igrab(nd.path.dentry->d_inode);
path_release(&nd);
break;
}
Index: linux-2.6-hooks/kernel/auditfilter.c
===================================================================
--- linux-2.6-hooks.orig/kernel/auditfilter.c
+++ linux-2.6-hooks/kernel/auditfilter.c
@@ -167,8 +167,8 @@ static struct audit_parent *audit_init_p
inotify_init_watch(&parent->wdata);
/* grab a ref so inotify watch hangs around until we take audit_filter_mutex */
get_inotify_watch(&parent->wdata);
- wd = inotify_add_watch(audit_ih, &parent->wdata, ndp->dentry->d_inode,
- AUDIT_IN_WATCH);
+ wd = inotify_add_watch(audit_ih, &parent->wdata,
+ ndp->path.dentry->d_inode, AUDIT_IN_WATCH);
if (wd < 0) {
audit_free_parent(&parent->wdata);
return ERR_PTR(wd);
@@ -1126,8 +1126,8 @@ static int audit_add_watch(struct audit_
/* update watch filter fields */
if (ndw) {
- watch->dev = ndw->dentry->d_inode->i_sb->s_dev;
- watch->ino = ndw->dentry->d_inode->i_ino;
+ watch->dev = ndw->path.dentry->d_inode->i_sb->s_dev;
+ watch->ino = ndw->path.dentry->d_inode->i_ino;
}
/* The audit_filter_mutex must not be held during inotify calls because
@@ -1137,7 +1137,8 @@ static int audit_add_watch(struct audit_
*/
mutex_unlock(&audit_filter_mutex);
- if (inotify_find_watch(audit_ih, ndp->dentry->d_inode, &i_watch) < 0) {
+ if (inotify_find_watch(audit_ih, ndp->path.dentry->d_inode,
+ &i_watch) < 0) {
parent = audit_init_parent(ndp);
if (IS_ERR(parent)) {
/* caller expects mutex locked */
Index: linux-2.6-hooks/net/sunrpc/rpc_pipe.c
===================================================================
--- linux-2.6-hooks.orig/net/sunrpc/rpc_pipe.c
+++ linux-2.6-hooks/net/sunrpc/rpc_pipe.c
@@ -453,14 +453,14 @@ rpc_lookup_parent(char *path, struct nam
{
if (path[0] == '\0')
return -ENOENT;
- nd->mnt = rpc_get_mount();
- if (IS_ERR(nd->mnt)) {
+ nd->path.mnt = rpc_get_mount();
+ if (IS_ERR(nd->path.mnt)) {
printk(KERN_WARNING "%s: %s failed to mount "
"pseudofilesystem \n", __FILE__, __FUNCTION__);
- return PTR_ERR(nd->mnt);
+ return PTR_ERR(nd->path.mnt);
}
- mntget(nd->mnt);
- nd->dentry = dget(rpc_mount->mnt_root);
+ mntget(nd->path.mnt);
+ nd->path.dentry = dget(rpc_mount->mnt_root);
nd->last_type = LAST_ROOT;
nd->flags = LOOKUP_PARENT;
nd->depth = 0;
@@ -649,7 +649,8 @@ rpc_lookup_negative(char *path, struct n
if ((error = rpc_lookup_parent(path, nd)) != 0)
return ERR_PTR(error);
- dentry = rpc_lookup_create(nd->dentry, nd->last.name, nd->last.len);
+ dentry = rpc_lookup_create(nd->path.dentry, nd->last.name,
+ nd->last.len);
if (IS_ERR(dentry))
rpc_release_path(nd);
return dentry;
@@ -667,7 +668,7 @@ rpc_mkdir(char *path, struct rpc_clnt *r
dentry = rpc_lookup_negative(path, &nd);
if (IS_ERR(dentry))
return dentry;
- dir = nd.dentry->d_inode;
+ dir = nd.path.dentry->d_inode;
if ((error = __rpc_mkdir(dir, dentry)) != 0)
goto err_dput;
RPC_I(dentry->d_inode)->private = rpc_client;
Index: linux-2.6-hooks/net/unix/af_unix.c
===================================================================
--- linux-2.6-hooks.orig/net/unix/af_unix.c
+++ linux-2.6-hooks/net/unix/af_unix.c
@@ -708,14 +708,14 @@ static struct sock *unix_find_other(stru
goto put_fail;
err = -ECONNREFUSED;
- if (!S_ISSOCK(nd.dentry->d_inode->i_mode))
+ if (!S_ISSOCK(nd.path.dentry->d_inode->i_mode))
goto put_fail;
- u=unix_find_socket_byinode(nd.dentry->d_inode);
+ u=unix_find_socket_byinode(nd.path.dentry->d_inode);
if (!u)
goto put_fail;
if (u->sk_type == type)
- touch_atime(nd.mnt, nd.dentry);
+ touch_atime(nd.path.mnt, nd.path.dentry);
path_release(&nd);
@@ -808,12 +808,12 @@ static int unix_bind(struct socket *sock
*/
mode = S_IFSOCK |
(SOCK_INODE(sock)->i_mode & ~current->fs->umask);
- err = vfs_mknod(nd.dentry->d_inode, dentry, mode, 0);
+ err = vfs_mknod(nd.path.dentry->d_inode, dentry, mode, 0);
if (err)
goto out_mknod_dput;
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
- dput(nd.dentry);
- nd.dentry = dentry;
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
+ dput(nd.path.dentry);
+ nd.path.dentry = dentry;
addr->hash = UNIX_HASH_SIZE;
}
@@ -831,8 +831,8 @@ static int unix_bind(struct socket *sock
list = &unix_socket_table[addr->hash];
} else {
list = &unix_socket_table[dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1)];
- u->dentry = nd.dentry;
- u->mnt = nd.mnt;
+ u->dentry = nd.path.dentry;
+ u->mnt = nd.path.mnt;
}
err = 0;
@@ -850,7 +850,7 @@ out:
out_mknod_dput:
dput(dentry);
out_mknod_unlock:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
path_release(&nd);
out_mknod_parent:
if (err==-EEXIST)
Index: linux-2.6-hooks/security/selinux/hooks.c
===================================================================
--- linux-2.6-hooks.orig/security/selinux/hooks.c
+++ linux-2.6-hooks/security/selinux/hooks.c
@@ -2042,10 +2042,10 @@ static int selinux_mount(char * dev_name
return rc;
if (flags & MS_REMOUNT)
- return superblock_has_perm(current, nd->mnt->mnt_sb,
+ return superblock_has_perm(current, nd->path.mnt->mnt_sb,
FILESYSTEM__REMOUNT, NULL);
else
- return dentry_has_perm(current, nd->mnt, nd->dentry,
+ return dentry_has_perm(current, nd->path.mnt, nd->path.dentry,
FILE__MOUNTON);
}
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