-int reiserfs_xattr_del(struct inode *inode, const char *name)
-{
- struct dentry *dir;
- int err;
-
- dir = open_xa_dir(inode, FL_READONLY);
- if (IS_ERR(dir)) {
- err = PTR_ERR(dir);
- goto out;
- }
-
- err = __reiserfs_xattr_del(dir, name, strlen(name));
- dput(dir);
-
- if (!err) {
- inode->i_ctime = CURRENT_TIME_SEC;
- mark_inode_dirty(inode);
- }
-
- out:
- return err;
-}
-
-/* The following are side effects of other operations that aren't explicitly
- * modifying extended attributes. This includes operations such as permissions
- * or ownership changes, object deletions, etc. */
-
-static int
-reiserfs_delete_xattrs_filler(void *buf, const char *name, int namelen,
- loff_t offset, u64 ino, unsigned int d_type)
-{
- struct dentry *xadir = (struct dentry *)buf;
-
- return __reiserfs_xattr_del(xadir, name, namelen);
-
-}
-
-/* This is called w/ inode->i_mutex downed */
-int reiserfs_delete_xattrs(struct inode *inode)
-{
- struct file *fp;
- struct dentry *dir, *root;
- int err = 0;
-
- /* Skip out, an xattr has no xattrs associated with it */
- if (is_reiserfs_priv_object(inode) ||
- get_inode_sd_version(inode) == STAT_DATA_V1 ||
- !reiserfs_xattrs(inode->i_sb)) {
- return 0;
- }
- reiserfs_read_lock_xattrs(inode->i_sb);
- dir = open_xa_dir(inode, FL_READONLY);
- reiserfs_read_unlock_xattrs(inode->i_sb);
- if (IS_ERR(dir)) {
- err = PTR_ERR(dir);
- goto out;
- } else if (!dir->d_inode) {
- dput(dir);
- return 0;
- }
-
- fp = dentry_open(dir, NULL, O_RDWR);
- if (IS_ERR(fp)) {
- err = PTR_ERR(fp);
- /* dentry_open dputs the dentry if it fails */
- goto out;
- }
-
- lock_kernel();
- err = xattr_readdir(fp, reiserfs_delete_xattrs_filler, dir);
- if (err) {
- unlock_kernel();
- goto out_dir;
- }
-
- /* Leftovers besides . and .. -- that's not good. */
- if (dir->d_inode->i_nlink <= 2) {
- root = get_xa_root(inode->i_sb, XATTR_REPLACE);
- reiserfs_write_lock_xattrs(inode->i_sb);
- err = vfs_rmdir(root->d_inode, dir);
- reiserfs_write_unlock_xattrs(inode->i_sb);
- dput(root);
- } else {
- reiserfs_warning(inode->i_sb,
- "Couldn't remove all entries in directory");
- }
- unlock_kernel();
-
- out_dir:
- fput(fp);
-
- out:
- if (!err)
- REISERFS_I(inode)->i_flags =
- REISERFS_I(inode)->i_flags & ~i_has_xattr_dir;
- return err;
-}
-
-struct reiserfs_chown_buf {
- struct inode *inode;
- struct dentry *xadir;
- struct iattr *attrs;
-};
-
-/* XXX: If there is a better way to do this, I'd love to hear about it */
-static int
-reiserfs_chown_xattrs_filler(void *buf, const char *name, int namelen,
- loff_t offset, u64 ino, unsigned int d_type)
-{
- struct reiserfs_chown_buf *chown_buf = (struct reiserfs_chown_buf *)buf;
- struct dentry *xafile, *xadir = chown_buf->xadir;
- struct iattr *attrs = chown_buf->attrs;
- int err = 0;
-
- xafile = lookup_one_len(name, xadir, namelen);
- if (IS_ERR(xafile))
- return PTR_ERR(xafile);
- else if (!xafile->d_inode) {
- dput(xafile);
- return -ENODATA;
- }
-
- if (!S_ISDIR(xafile->d_inode->i_mode))
- err = notify_change(xafile, attrs);
- dput(xafile);
-
- return err;
-}