qstr: constify instances in ext2

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 19efd1197fa511c0f45229ec9bbdfb267e9f7a7d..61ad490ed67b9837db3049b09ecfff009572852d 100644 (file)
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -358,8 +358,8 @@ ext2_readdir(struct file *file, struct dir_context *ctx)
  * and the entry itself. Page is returned mapped and unlocked.
  * Entry is guaranteed to be valid.
  */
-struct ext2_dir_entry_2 *ext2_find_entry (struct inode * dir,
-                       struct qstr *child, struct page ** res_page)
+struct ext2_dir_entry_2 *ext2_find_entry (struct inode *dir,
+                       const struct qstr *child, struct page **res_page)
 {
        const char *name = child->name;
        int namelen = child->len;
@@ -435,7 +435,7 @@ struct ext2_dir_entry_2 * ext2_dotdot (struct inode *dir, struct page **p)
        return de;
 }
 
-ino_t ext2_inode_by_name(struct inode *dir, struct qstr *child)
+ino_t ext2_inode_by_name(struct inode *dir, const struct qstr *child)
 {
        ino_t res = 0;
        struct ext2_dir_entry_2 *de;

diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 170939f379d74d84ca38bf9fd11d22483495fd3d..24a270f26bc3a8a6a58a7339a15970454be73a82 100644 (file)
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -754,9 +754,9 @@ extern void ext2_rsv_window_add(struct super_block *sb, struct ext2_reserve_wind
 
 /* dir.c */
 extern int ext2_add_link (struct dentry *, struct inode *);
-extern ino_t ext2_inode_by_name(struct inode *, struct qstr *);
+extern ino_t ext2_inode_by_name(struct inode *, const struct qstr *);
 extern int ext2_make_empty(struct inode *, struct inode *);
-extern struct ext2_dir_entry_2 * ext2_find_entry (struct inode *,struct qstr *, struct page **);
+extern struct ext2_dir_entry_2 * ext2_find_entry (struct inode *,const struct qstr *, struct page **);
 extern int ext2_delete_entry (struct ext2_dir_entry_2 *, struct page *);
 extern int ext2_empty_dir (struct inode *);
 extern struct ext2_dir_entry_2 * ext2_dotdot (struct inode *, struct page **);