mutex_lock_interruptible(): add __must_check

[safe/jmp/linux-2.6] / include / linux / ext4_fs.h

diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h
index 296609b..54c576d 100644 (file)
--- a/include/linux/ext4_fs.h
+++ b/include/linux/ext4_fs.h
@@ -769,26 +769,8 @@ ext4_group_first_block_no(struct super_block *sb, unsigned long group_no)
  */
 #define ERR_BAD_DX_DIR -75000
 
-/*
- * This function calculate the block group number and offset,
- * given a block number
- */
-
-static inline void ext4_get_group_no_and_offset(struct super_block * sb,
-                                ext4_fsblk_t blocknr, unsigned long* blockgrpp,
-                                ext4_grpblk_t *offsetp)
-{
-        struct ext4_super_block *es = EXT4_SB(sb)->s_es;
-       ext4_grpblk_t offset;
-
-        blocknr = blocknr - le32_to_cpu(es->s_first_data_block);
-        offset = sector_div(blocknr, EXT4_BLOCKS_PER_GROUP(sb));
-       if (offsetp)
-               *offsetp = offset;
-       if (blockgrpp)
-               *blockgrpp = blocknr;
-
-}
+void ext4_get_group_no_and_offset(struct super_block *sb, ext4_fsblk_t blocknr,
+                       unsigned long *blockgrpp, ext4_grpblk_t *offsetp);
 
 /*
  * Function prototypes
@@ -973,16 +955,16 @@ do {                                                              \
 extern const struct file_operations ext4_dir_operations;
 
 /* file.c */
-extern struct inode_operations ext4_file_inode_operations;
+extern const struct inode_operations ext4_file_inode_operations;
 extern const struct file_operations ext4_file_operations;
 
 /* namei.c */
-extern struct inode_operations ext4_dir_inode_operations;
-extern struct inode_operations ext4_special_inode_operations;
+extern const struct inode_operations ext4_dir_inode_operations;
+extern const struct inode_operations ext4_special_inode_operations;
 
 /* symlink.c */
-extern struct inode_operations ext4_symlink_inode_operations;
-extern struct inode_operations ext4_fast_symlink_inode_operations;
+extern const struct inode_operations ext4_symlink_inode_operations;
+extern const struct inode_operations ext4_fast_symlink_inode_operations;
 
 /* extents.c */
 extern int ext4_ext_tree_init(handle_t *handle, struct inode *);