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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-01 23:51:07 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-03-01 23:51:07 -0500
commitdcf787f39162ce32ca325b3e784aba2d2444619a (patch)
tree0c9ca31625ed193558758aba2df9e127b2abd81b
parent26567cdbbf1a6b13a92a82332daee00672aa48a9 (diff)
downloadop-kernel-dev-dcf787f39162ce32ca325b3e784aba2d2444619a.zip
op-kernel-dev-dcf787f39162ce32ca325b3e784aba2d2444619a.tar.gz
constify path_get/path_put and fs_struct.c stuff
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/fs_struct.c6
-rw-r--r--fs/internal.h2
-rw-r--r--fs/namei.c4
-rw-r--r--include/linux/fs_struct.h4
-rw-r--r--include/linux/path.h4
5 files changed, 10 insertions, 10 deletions
diff --git a/fs/fs_struct.c b/fs/fs_struct.c
index fe6ca58..d8ac61d 100644
--- a/fs/fs_struct.c
+++ b/fs/fs_struct.c
@@ -10,7 +10,7 @@
* Replace the fs->{rootmnt,root} with {mnt,dentry}. Put the old values.
* 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;
@@ -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.
* 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;
@@ -53,7 +53,7 @@ static inline int replace_path(struct path *p, const struct path *old, const str
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 fs_struct *fs;
diff --git a/fs/internal.h b/fs/internal.h
index 2f6af7f..507141f 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -69,7 +69,7 @@ extern void __mnt_drop_write_file(struct file *);
/*
* 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
diff --git a/fs/namei.c b/fs/namei.c
index dc984fe..961bc12 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -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.
*/
-void path_get(struct path *path)
+void path_get(const struct path *path)
{
mntget(path->mnt);
dget(path->dentry);
@@ -464,7 +464,7 @@ EXPORT_SYMBOL(path_get);
*
* 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);
mntput(path->mnt);
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index d0ae3a8..729eded 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -17,8 +17,8 @@ struct fs_struct {
extern struct kmem_cache *fs_cachep;
extern void exit_fs(struct task_struct *);
-extern void set_fs_root(struct fs_struct *, struct path *);
-extern void set_fs_pwd(struct fs_struct *, struct path *);
+extern void set_fs_root(struct fs_struct *, const struct path *);
+extern void set_fs_pwd(struct fs_struct *, const struct path *);
extern struct fs_struct *copy_fs_struct(struct fs_struct *);
extern void free_fs_struct(struct fs_struct *);
extern int unshare_fs_struct(void);
diff --git a/include/linux/path.h b/include/linux/path.h
index edc98de..d137218 100644
--- a/include/linux/path.h
+++ b/include/linux/path.h
@@ -9,8 +9,8 @@ struct path {
struct dentry *dentry;
};
-extern void path_get(struct path *);
-extern void path_put(struct path *);
+extern void path_get(const struct path *);
+extern void path_put(const struct path *);
static inline int path_equal(const struct path *path1, const struct path *path2)
{
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