[GFS2] Fix up merge of Linus' kernel into GFS2

[linux-2.6] / include / linux / ext3_fs.h

diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 34136ff02aca632401b93e8f64e617cabbfbd9fe..0eed918b38168a05a3847a641243a3622862aa10 100644 (file)
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -17,6 +17,7 @@
 #define _LINUX_EXT3_FS_H
 
 #include <linux/types.h>
+#include <linux/magic.h>
 
 /*
  * The second extended filesystem constants/structures
@@ -66,11 +67,6 @@
 /* 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
  */
@@ -492,6 +488,15 @@ static inline struct ext3_inode_info *EXT3_I(struct inode *inode)
 {
        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
@@ -710,6 +715,14 @@ struct dir_private_info {
        __u32           next_hash;
 };
 
+/* calculate the first block number of the group */
+static inline ext3_fsblk_t
+ext3_group_first_block_no(struct super_block *sb, unsigned long group_no)
+{
+       return group_no * (ext3_fsblk_t)EXT3_BLOCKS_PER_GROUP(sb) +
+               le32_to_cpu(EXT3_SB(sb)->s_es->s_first_data_block);
+}
+
 /*
  * Special error return code only used by dx_probe() and its callers.
  */
@@ -739,7 +752,7 @@ extern void ext3_free_blocks (handle_t *handle, struct inode *inode,
 extern void ext3_free_blocks_sb (handle_t *handle, struct super_block *sb,
                                 ext3_fsblk_t block, unsigned long count,
                                unsigned long *pdquot_freed_blocks);
-extern unsigned long ext3_count_free_blocks (struct super_block *);
+extern ext3_fsblk_t ext3_count_free_blocks (struct super_block *);
 extern void ext3_check_blocks_bitmap (struct super_block *);
 extern struct ext3_group_desc * ext3_get_group_desc(struct super_block * sb,
                                                    unsigned int block_group,
@@ -811,7 +824,7 @@ extern int ext3_group_add(struct super_block *sb,
                                struct ext3_new_group_data *input);
 extern int ext3_group_extend(struct super_block *sb,
                                struct ext3_super_block *es,
-                               unsigned long n_blocks_count);
+                               ext3_fsblk_t n_blocks_count);
 
 /* super.c */
 extern void ext3_error (struct super_block *, const char *, const char *, ...)