X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fext3_fs.h;h=9f9cce7bd86dd0f5e4991040cf94dee4401c8f95;hb=2ccb48ebb4de139eef4fcefd5f2bb823cb0d81b9;hp=8bb4f842cded772983f04d5c9e39f92afed89c5d;hpb=0bb065f29bffc7895f0dbac1fc7d74b3a8d357a9;p=linux-2.6

diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 8bb4f842cd..9f9cce7bd8 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -17,11 +17,6 @@
 #define _LINUX_EXT3_FS_H
 
 #include <linux/types.h>
-#include <linux/ext3_fs_i.h>
-#include <linux/ext3_fs_sb.h>
-
-
-struct statfs;
 
 /*
  * The second extended filesystem constants/structures
@@ -487,6 +482,8 @@ struct ext3_super_block {
 };
 
 #ifdef __KERNEL__
+#include <linux/ext3_fs_i.h>
+#include <linux/ext3_fs_sb.h>
 static inline struct ext3_sb_info * EXT3_SB(struct super_block *sb)
 {
 	return sb->s_fs_info;
@@ -495,6 +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
@@ -664,6 +670,8 @@ struct ext3_dir_entry_2 {
 #define DX_HASH_HALF_MD4	1
 #define DX_HASH_TEA		2
 
+#ifdef __KERNEL__
+
 /* hash info structure used by the directory hash */
 struct dx_hash_info
 {
@@ -675,7 +683,6 @@ struct dx_hash_info
 
 #define EXT3_HTREE_EOF	0x7fffffff
 
-#ifdef __KERNEL__
 /*
  * Control parameters used by ext3_htree_next_block
  */
@@ -712,6 +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.
  */
@@ -732,14 +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,
@@ -775,7 +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,
@@ -810,7 +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 *, ...)
@@ -833,11 +851,11 @@ do {								\
  */
 
 /* dir.c */
-extern struct file_operations ext3_dir_operations;
+extern const struct file_operations ext3_dir_operations;
 
 /* file.c */
 extern struct inode_operations ext3_file_inode_operations;
-extern struct file_operations ext3_file_operations;
+extern const struct file_operations ext3_file_operations;
 
 /* namei.c */
 extern struct inode_operations ext3_dir_inode_operations;