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constify path_get/path_put and fs_struct.c stuff

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-03-01 23:51:07 -05:00
parent 26567cdbbf
commit dcf787f391
5 changed files with 10 additions and 10 deletions
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6
fs/fs_struct.c
View file

@ -10,7 +10,7 @@
* Replace the fs->{rootmnt,root} with {mnt,dentry}. Put the old values. * Replace the fs->{rootmnt,root} with {mnt,dentry}. Put the old values.
* It can block. * It can block.
*/ */
void set_fs_root(struct fs_struct *fs, struct path *path) void set_fs_root(struct fs_struct *fs, const struct path *path)
{ {
struct path old_root; struct path old_root;
@ -29,7 +29,7 @@ void set_fs_root(struct fs_struct *fs, struct path *path)
* Replace the fs->{pwdmnt,pwd} with {mnt,dentry}. Put the old values. * Replace the fs->{pwdmnt,pwd} with {mnt,dentry}. Put the old values.
* It can block. * It can block.
*/ */
void set_fs_pwd(struct fs_struct *fs, struct path *path) void set_fs_pwd(struct fs_struct *fs, const struct path *path)
{ {
struct path old_pwd; struct path old_pwd;
@ -53,7 +53,7 @@ static inline int replace_path(struct path *p, const struct path *old, const str
return 1; return 1;
} }
void chroot_fs_refs(struct path *old_root, struct path *new_root) void chroot_fs_refs(const struct path *old_root, const struct path *new_root)
{ {
struct task_struct *g, *p; struct task_struct *g, *p;
struct fs_struct *fs; struct fs_struct *fs;

2
fs/internal.h
View file

@ -69,7 +69,7 @@ extern void __mnt_drop_write_file(struct file *);
/* /*
* fs_struct.c * fs_struct.c
*/ */
extern void chroot_fs_refs(struct path *, struct path *); extern void chroot_fs_refs(const struct path *, const struct path *);
/* /*
* file_table.c * file_table.c

4
fs/namei.c
View file

@ -451,7 +451,7 @@ int inode_permission(struct inode *inode, int mask)
* *
* Given a path increment the reference count to the dentry and the vfsmount. * Given a path increment the reference count to the dentry and the vfsmount.
*/ */
void path_get(struct path *path) void path_get(const struct path *path)
{ {
mntget(path->mnt); mntget(path->mnt);
dget(path->dentry); dget(path->dentry);
@ -464,7 +464,7 @@ EXPORT_SYMBOL(path_get);
* *
* Given a path decrement the reference count to the dentry and the vfsmount. * Given a path decrement the reference count to the dentry and the vfsmount.
*/ */
void path_put(struct path *path) void path_put(const struct path *path)
{ {
dput(path->dentry); dput(path->dentry);
mntput(path->mnt); mntput(path->mnt);

4
include/linux/fs_struct.h
View file

@ -17,8 +17,8 @@ struct fs_struct {
extern struct kmem_cache *fs_cachep; extern struct kmem_cache *fs_cachep;
extern void exit_fs(struct task_struct *); extern void exit_fs(struct task_struct *);
extern void set_fs_root(struct fs_struct *, struct path *); extern void set_fs_root(struct fs_struct *, const struct path *);
extern void set_fs_pwd(struct fs_struct *, struct path *); extern void set_fs_pwd(struct fs_struct *, const struct path *);
extern struct fs_struct *copy_fs_struct(struct fs_struct *); extern struct fs_struct *copy_fs_struct(struct fs_struct *);
extern void free_fs_struct(struct fs_struct *); extern void free_fs_struct(struct fs_struct *);
extern int unshare_fs_struct(void); extern int unshare_fs_struct(void);

4
include/linux/path.h
View file

@ -9,8 +9,8 @@ struct path {
struct dentry *dentry; struct dentry *dentry;
}; };
extern void path_get(struct path *); extern void path_get(const struct path *);
extern void path_put(struct path *); extern void path_put(const struct path *);
static inline int path_equal(const struct path *path1, const struct path *path2) static inline int path_equal(const struct path *path1, const struct path *path2)
{ {