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WSL2-Linux-Kernel
зеркало из https://github.com/microsoft/WSL2-Linux-Kernel.git
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namespace.c: constify struct path passed to a bunch of primitives 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-11-20 19:45:28 -05:00
Родитель 8c54ca9c68
Коммит ca71cf71ee
4 изменённых файлов: 8 добавлений и 8 удалений
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2
fs/internal.h
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@ -62,7 +62,7 @@ extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
extern void *copy_mount_options(const void __user *); extern void *copy_mount_options(const void __user *);
extern char *copy_mount_string(const void __user *); extern char *copy_mount_string(const void __user *);
extern struct vfsmount *lookup_mnt(struct path *); extern struct vfsmount *lookup_mnt(const struct path *);
extern int finish_automount(struct vfsmount *, struct path *); extern int finish_automount(struct vfsmount *, struct path *);
extern int sb_prepare_remount_readonly(struct super_block *); extern int sb_prepare_remount_readonly(struct super_block *);

8
fs/namespace.c
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@ -678,7 +678,7 @@ out:
* *
* lookup_mnt takes a reference to the found vfsmount. * lookup_mnt takes a reference to the found vfsmount.
*/ */
struct vfsmount *lookup_mnt(struct path *path) struct vfsmount *lookup_mnt(const struct path *path)
{ {
struct mount *child_mnt; struct mount *child_mnt;
struct vfsmount *m; struct vfsmount *m;
@ -1159,7 +1159,7 @@ struct vfsmount *mntget(struct vfsmount *mnt)
} }
EXPORT_SYMBOL(mntget); EXPORT_SYMBOL(mntget);
struct vfsmount *mnt_clone_internal(struct path *path) struct vfsmount *mnt_clone_internal(const struct path *path)
{ {
struct mount *p; struct mount *p;
p = clone_mnt(real_mount(path->mnt), path->dentry, CL_PRIVATE); p = clone_mnt(real_mount(path->mnt), path->dentry, CL_PRIVATE);
@ -1758,7 +1758,7 @@ out:
/* Caller should check returned pointer for errors */ /* Caller should check returned pointer for errors */
struct vfsmount *collect_mounts(struct path *path) struct vfsmount *collect_mounts(const struct path *path)
{ {
struct mount *tree; struct mount *tree;
namespace_lock(); namespace_lock();
@ -1791,7 +1791,7 @@ void drop_collected_mounts(struct vfsmount *mnt)
* *
* Release with mntput(). * Release with mntput().
*/ */
struct vfsmount *clone_private_mount(struct path *path) struct vfsmount *clone_private_mount(const struct path *path)
{ {
struct mount *old_mnt = real_mount(path->mnt); struct mount *old_mnt = real_mount(path->mnt);
struct mount *new_mnt; struct mount *new_mnt;

2
include/linux/fs.h
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@ -2123,7 +2123,7 @@ extern int may_umount_tree(struct vfsmount *);
extern int may_umount(struct vfsmount *); extern int may_umount(struct vfsmount *);
extern long do_mount(const char *, const char __user *, extern long do_mount(const char *, const char __user *,
const char *, unsigned long, void *); const char *, unsigned long, void *);
extern struct vfsmount *collect_mounts(struct path *); extern struct vfsmount *collect_mounts(const struct path *);
extern void drop_collected_mounts(struct vfsmount *); extern void drop_collected_mounts(struct vfsmount *);
extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *, extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *,
struct vfsmount *); struct vfsmount *);

4
include/linux/mount.h
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@ -79,12 +79,12 @@ extern void mnt_drop_write(struct vfsmount *mnt);
extern void mnt_drop_write_file(struct file *file); extern void mnt_drop_write_file(struct file *file);
extern void mntput(struct vfsmount *mnt); extern void mntput(struct vfsmount *mnt);
extern struct vfsmount *mntget(struct vfsmount *mnt); extern struct vfsmount *mntget(struct vfsmount *mnt);
extern struct vfsmount *mnt_clone_internal(struct path *path); extern struct vfsmount *mnt_clone_internal(const struct path *path);
extern int __mnt_is_readonly(struct vfsmount *mnt); extern int __mnt_is_readonly(struct vfsmount *mnt);
extern bool mnt_may_suid(struct vfsmount *mnt); extern bool mnt_may_suid(struct vfsmount *mnt);
struct path; struct path;
extern struct vfsmount *clone_private_mount(struct path *path); extern struct vfsmount *clone_private_mount(const struct path *path);
struct file_system_type; struct file_system_type;
extern struct vfsmount *vfs_kern_mount(struct file_system_type *type, extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,