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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

Browse Source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  [PATCH] get rid of __exit_files(), __exit_fs() and __put_fs_struct()
  [PATCH] proc_readfd_common() race fix
  [PATCH] double-free of inode on alloc_file() failure exit in create_write_pipe()
  [PATCH] teach seq_file to discard entries
  [PATCH] umount_tree() will unhash everything itself
  [PATCH] get rid of more nameidata passing in namespace.c
  [PATCH] switch a bunch of LSM hooks from nameidata to path
  [PATCH] lock exclusively in collect_mounts() and drop_collected_mounts()
  [PATCH] move a bunch of declarations to fs/internal.h
This commit is contained in:
Linus Torvalds
2008-04-22 18:27:56 -07:00
parent 934b7024f0 1ec7f1ddbe
commit 94bc891b00
18 changed files with 118 additions and 120 deletions
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1
include/linux/dcache.h
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@@ -359,7 +359,6 @@ static inline int d_mountpoint(struct dentry *dentry)
}
extern struct vfsmount *lookup_mnt(struct vfsmount *, struct dentry *);
extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int);
extern struct dentry *lookup_create(struct nameidata *nd, int is_dir);
extern int sysctl_vfs_cache_pressure;

6
include/linux/fs.h
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@@ -305,7 +305,6 @@ struct vfsmount;
extern void __init inode_init(void);
extern void __init inode_init_early(void);
extern void __init mnt_init(void);
extern void __init files_init(unsigned long);
struct buffer_head;
@@ -1536,12 +1535,7 @@ extern struct vfsmount *kern_mount_data(struct file_system_type *, void *data);
#define kern_mount(type) kern_mount_data(type, NULL)
extern int may_umount_tree(struct vfsmount *);
extern int may_umount(struct vfsmount *);
extern void umount_tree(struct vfsmount *, int, struct list_head *);
extern void release_mounts(struct list_head *);
extern long do_mount(char *, char *, char *, unsigned long, void *);
extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
struct vfsmount *);
extern struct vfsmount *collect_mounts(struct vfsmount *, struct dentry *);
extern void drop_collected_mounts(struct vfsmount *);

2
include/linux/mount.h
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@@ -94,8 +94,6 @@ static inline void mntput(struct vfsmount *mnt)
}
}
extern void free_vfsmnt(struct vfsmount *mnt);
extern struct vfsmount *alloc_vfsmnt(const char *name);
extern struct vfsmount *do_kern_mount(const char *fstype, int flags,
const char *name, void *data);

52
include/linux/security.h
View File

@@ -230,7 +230,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* loopback/bind mount (@flags & MS_BIND), @dev_name identifies the
* pathname of the object being mounted.
* @dev_name contains the name for object being mounted.
* @nd contains the nameidata structure for mount point object.
* @path contains the path for mount point object.
* @type contains the filesystem type.
* @flags contains the mount flags.
* @data contains the filesystem-specific data.
@@ -249,7 +249,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* Check permission before the device with superblock @mnt->sb is mounted
* on the mount point named by @nd.
* @mnt contains the vfsmount for device being mounted.
* @nd contains the nameidata object for the mount point.
* @path contains the path for the mount point.
* Return 0 if permission is granted.
* @sb_umount:
* Check permission before the @mnt file system is unmounted.
@@ -278,16 +278,16 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* This hook is called any time a mount is successfully grafetd to
* the tree.
* @mnt contains the mounted filesystem.
* @mountpoint_nd contains the nameidata structure for the mount point.
* @mountpoint contains the path for the mount point.
* @sb_pivotroot:
* Check permission before pivoting the root filesystem.
* @old_nd contains the nameidata structure for the new location of the current root (put_old).
* @new_nd contains the nameidata structure for the new root (new_root).
* @old_path contains the path for the new location of the current root (put_old).
* @new_path contains the path for the new root (new_root).
* Return 0 if permission is granted.
* @sb_post_pivotroot:
* Update module state after a successful pivot.
* @old_nd contains the nameidata structure for the old root.
* @new_nd contains the nameidata structure for the new root.
* @old_path contains the path for the old root.
* @new_path contains the path for the new root.
* @sb_get_mnt_opts:
* Get the security relevant mount options used for a superblock
* @sb the superblock to get security mount options from
@@ -1315,20 +1315,20 @@ struct security_operations {
int (*sb_copy_data)(char *orig, char *copy);
int (*sb_kern_mount) (struct super_block *sb, void *data);
int (*sb_statfs) (struct dentry *dentry);
int (*sb_mount) (char *dev_name, struct nameidata * nd,
int (*sb_mount) (char *dev_name, struct path *path,
char *type, unsigned long flags, void *data);
int (*sb_check_sb) (struct vfsmount * mnt, struct nameidata * nd);
int (*sb_check_sb) (struct vfsmount * mnt, struct path *path);
int (*sb_umount) (struct vfsmount * mnt, int flags);
void (*sb_umount_close) (struct vfsmount * mnt);
void (*sb_umount_busy) (struct vfsmount * mnt);
void (*sb_post_remount) (struct vfsmount * mnt,
unsigned long flags, void *data);
void (*sb_post_addmount) (struct vfsmount * mnt,
struct nameidata * mountpoint_nd);
int (*sb_pivotroot) (struct nameidata * old_nd,
struct nameidata * new_nd);
void (*sb_post_pivotroot) (struct nameidata * old_nd,
struct nameidata * new_nd);
struct path *mountpoint);
int (*sb_pivotroot) (struct path *old_path,
struct path *new_path);
void (*sb_post_pivotroot) (struct path *old_path,
struct path *new_path);
int (*sb_get_mnt_opts) (const struct super_block *sb,
struct security_mnt_opts *opts);
int (*sb_set_mnt_opts) (struct super_block *sb,
@@ -1593,16 +1593,16 @@ void security_sb_free(struct super_block *sb);
int security_sb_copy_data(char *orig, char *copy);
int security_sb_kern_mount(struct super_block *sb, void *data);
int security_sb_statfs(struct dentry *dentry);
int security_sb_mount(char *dev_name, struct nameidata *nd,
int security_sb_mount(char *dev_name, struct path *path,
char *type, unsigned long flags, void *data);
int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd);
int security_sb_check_sb(struct vfsmount *mnt, struct path *path);
int security_sb_umount(struct vfsmount *mnt, int flags);
void security_sb_umount_close(struct vfsmount *mnt);
void security_sb_umount_busy(struct vfsmount *mnt);
void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data);
void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd);
int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd);
void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd);
void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint);
int security_sb_pivotroot(struct path *old_path, struct path *new_path);
void security_sb_post_pivotroot(struct path *old_path, struct path *new_path);
int security_sb_get_mnt_opts(const struct super_block *sb,
struct security_mnt_opts *opts);
int security_sb_set_mnt_opts(struct super_block *sb, struct security_mnt_opts *opts);
@@ -1872,7 +1872,7 @@ static inline int security_sb_statfs (struct dentry *dentry)
return 0;
}
static inline int security_sb_mount (char *dev_name, struct nameidata *nd,
static inline int security_sb_mount (char *dev_name, struct path *path,
char *type, unsigned long flags,
void *data)
{
@@ -1880,7 +1880,7 @@ static inline int security_sb_mount (char *dev_name, struct nameidata *nd,
}
static inline int security_sb_check_sb (struct vfsmount *mnt,
struct nameidata *nd)
struct path *path)
{
return 0;
}
@@ -1901,17 +1901,17 @@ static inline void security_sb_post_remount (struct vfsmount *mnt,
{ }
static inline void security_sb_post_addmount (struct vfsmount *mnt,
struct nameidata *mountpoint_nd)
struct path *mountpoint)
{ }
static inline int security_sb_pivotroot (struct nameidata *old_nd,
struct nameidata *new_nd)
static inline int security_sb_pivotroot (struct path *old_path,
struct path *new_path)
{
return 0;
}
static inline void security_sb_post_pivotroot (struct nameidata *old_nd,
struct nameidata *new_nd)
static inline void security_sb_post_pivotroot (struct path *old_path,
struct path *new_path)
{ }
static inline int security_sb_get_mnt_opts(const struct super_block *sb,
struct security_mnt_opts *opts)

2
include/linux/seq_file.h
View File

@@ -30,6 +30,8 @@ struct seq_operations {
int (*show) (struct seq_file *m, void *v);
};
#define SEQ_SKIP 1
int seq_open(struct file *, const struct seq_operations *);
ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);
loff_t seq_lseek(struct file *, loff_t, int);