diff options
Diffstat (limited to 'fs/squashfs/xattr.h')
-rw-r--r-- | fs/squashfs/xattr.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/fs/squashfs/xattr.h b/fs/squashfs/xattr.h new file mode 100644 index 000000000..86b0a0073 --- /dev/null +++ b/fs/squashfs/xattr.h @@ -0,0 +1,54 @@ +/* + * Squashfs - a compressed read only filesystem for Linux + * + * Copyright (c) 2010 + * Phillip Lougher <phillip@squashfs.org.uk> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2, + * or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * xattr.h + */ + +#ifdef CONFIG_SQUASHFS_XATTR +extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64, + u64 *, int *); +extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *, + unsigned int *, unsigned long long *); +#else +static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb, + u64 start, u64 *xattr_table_start, int *xattr_ids) +{ + struct squashfs_xattr_id_table *id_table; + + id_table = squashfs_read_table(sb, start, sizeof(*id_table)); + if (IS_ERR(id_table)) + return (__le64 *) id_table; + + *xattr_table_start = le64_to_cpu(id_table->xattr_table_start); + kfree(id_table); + + ERROR("Xattrs in filesystem, these will be ignored\n"); + return ERR_PTR(-ENOTSUPP); +} + +static inline int squashfs_xattr_lookup(struct super_block *sb, + unsigned int index, int *count, unsigned int *size, + unsigned long long *xattr) +{ + return 0; +} +#define squashfs_listxattr NULL +#define squashfs_xattr_handlers NULL +#endif |