vfs: fix d_ancestor() case in d_materialize_unique

[firefly-linux-kernel-4.4.55.git] / fs / jffs2 / dir.c

diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 05f73328b28b40bf1ba30952faa64e7568d53a43..4bca6a2e5c07431628b5acb9c201bb4daf56ba55 100644 (file)
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -75,7 +75,6 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
                                   struct nameidata *nd)
 {
        struct jffs2_inode_info *dir_f;
-       struct jffs2_sb_info *c;
        struct jffs2_full_dirent *fd = NULL, *fd_list;
        uint32_t ino = 0;
        struct inode *inode = NULL;
@@ -86,7 +85,6 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
                return ERR_PTR(-ENAMETOOLONG);
 
        dir_f = JFFS2_INODE_INFO(dir_i);
-       c = JFFS2_SB_INFO(dir_i->i_sb);
 
        mutex_lock(&dir_f->sem);
 
@@ -119,7 +117,6 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
 static int jffs2_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
        struct jffs2_inode_info *f;
-       struct jffs2_sb_info *c;
        struct inode *inode = filp->f_path.dentry->d_inode;
        struct jffs2_full_dirent *fd;
        unsigned long offset, curofs;
@@ -127,7 +124,6 @@ static int jffs2_readdir(struct file *filp, void *dirent, filldir_t filldir)
        D1(printk(KERN_DEBUG "jffs2_readdir() for dir_i #%lu\n", filp->f_path.dentry->d_inode->i_ino));
 
        f = JFFS2_INODE_INFO(inode);
-       c = JFFS2_SB_INFO(inode->i_sb);
 
        offset = filp->f_pos;
 
@@ -609,8 +605,6 @@ static int jffs2_rmdir (struct inode *dir_i, struct dentry *dentry)
        int ret;
        uint32_t now = get_seconds();
 
-       dentry_unhash(dentry);
-
        for (fd = f->dents ; fd; fd = fd->next) {
                if (fd->ino)
                        return -ENOTEMPTY;
@@ -786,9 +780,6 @@ static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry,
        uint8_t type;
        uint32_t now;
 
-       if (new_dentry->d_inode && S_ISDIR(new_dentry->d_inode->i_mode))
-               dentry_unhash(new_dentry);
-
        /* The VFS will check for us and prevent trying to rename a
         * file over a directory and vice versa, but if it's a directory,
         * the VFS can't check whether the victim is empty. The filesystem