Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for...

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

diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 757d54d..9f9cce7 100644 (file)
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -492,6 +492,15 @@ 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 +719,14 @@ 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.
  */
@@ -730,14 +747,16 @@ struct dir_private_info {
 /* balloc.c */
 extern int ext3_bg_has_super(struct super_block *sb, int group);
 extern unsigned long ext3_bg_num_gdb(struct super_block *sb, int group);
-extern int ext3_new_block (handle_t *, struct inode *, unsigned long, int *);
-extern int ext3_new_blocks (handle_t *, struct inode *, unsigned long,
-                       unsigned long *, int *);
-extern void ext3_free_blocks (handle_t *, struct inode *, unsigned long,
-                             unsigned long);
-extern void ext3_free_blocks_sb (handle_t *, struct super_block *,
-                                unsigned long, unsigned long, int *);
-extern unsigned long ext3_count_free_blocks (struct super_block *);
+extern ext3_fsblk_t ext3_new_block (handle_t *handle, struct inode *inode,
+                       ext3_fsblk_t goal, int *errp);
+extern ext3_fsblk_t ext3_new_blocks (handle_t *handle, struct inode *inode,
+                       ext3_fsblk_t goal, unsigned long *count, int *errp);
+extern void ext3_free_blocks (handle_t *handle, struct inode *inode,
+                       ext3_fsblk_t block, unsigned long count);
+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 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,
@@ -773,7 +792,8 @@ extern unsigned long ext3_count_free (struct buffer_head *, unsigned);
 
 
 /* inode.c */
-int ext3_forget(handle_t *, int, struct inode *, struct buffer_head *, int);
+int ext3_forget(handle_t *handle, int is_metadata, struct inode *inode,
+               struct buffer_head *bh, ext3_fsblk_t blocknr);
 struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *);
 struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *);
 int ext3_get_blocks_handle(handle_t *handle, struct inode *inode,
@@ -808,7 +828,7 @@ 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 *, ...)