#define _LINUX_EXT3_FS_H
#include <linux/types.h>
+#include <linux/magic.h>
/*
* The second extended filesystem constants/structures
/* First non-reserved inode for old ext3 filesystems */
#define EXT3_GOOD_OLD_FIRST_INO 11
-/*
- * The second extended file system magic number
- */
-#define EXT3_SUPER_MAGIC 0xEF53
-
/*
* Maximal count of links to a file
*/
{
return container_of(inode, struct ext3_inode_info, vfs_inode);
}
+
+static inline int ext3_valid_inum(struct super_block *sb, unsigned long ino)
+{
+ return ino == EXT3_ROOT_INO ||
+ ino == EXT3_JOURNAL_INO ||
+ ino == EXT3_RESIZE_INO ||
+ (ino >= EXT3_FIRST_INO(sb) &&
+ ino <= le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count));
+}
#else
/* Assume that user mode programs are passing in an ext3fs superblock, not
* a kernel struct super_block. This will allow us to call the feature-test