proc: move /proc/diskstats boilerplate to block/genhd.c

[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 a7a01ff..d14f029 100644 (file)
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -35,10 +35,6 @@
 /*max window size: 1024(direct blocks) + 3([t,d]indirect blocks) */
 #define EXT3_MAX_RESERVE_BLOCKS         1027
 #define EXT3_RESERVE_WINDOW_NOT_ALLOCATED 0
-/*
- * Always enable hashed directories
- */
-#define CONFIG_EXT3_INDEX
 
 /*
  * Debug code
@@ -47,7 +43,7 @@
 #define ext3_debug(f, a...)                                            \
        do {                                                            \
                printk (KERN_DEBUG "EXT3-fs DEBUG (%s, %d): %s:",       \
-                       __FILE__, __LINE__, __FUNCTION__);              \
+                       __FILE__, __LINE__, __func__);          \
                printk (KERN_DEBUG f, ## a);                            \
        } while (0)
 #else
@@ -76,8 +72,8 @@
  * Macro-instructions used to manage several block sizes
  */
 #define EXT3_MIN_BLOCK_SIZE            1024
-#define        EXT3_MAX_BLOCK_SIZE             4096
-#define EXT3_MIN_BLOCK_LOG_SIZE                  10
+#define        EXT3_MAX_BLOCK_SIZE             65536
+#define EXT3_MIN_BLOCK_LOG_SIZE                10
 #ifdef __KERNEL__
 # define EXT3_BLOCK_SIZE(s)            ((s)->s_blocksize)
 #else
@@ -233,6 +229,8 @@ struct ext3_new_group_data {
 /*
  * ioctl commands in 32 bit emulation
  */
+#define EXT3_IOC32_GETFLAGS            FS_IOC32_GETFLAGS
+#define EXT3_IOC32_SETFLAGS            FS_IOC32_SETFLAGS
 #define EXT3_IOC32_GETVERSION          _IOR('f', 3, int)
 #define EXT3_IOC32_SETVERSION          _IOW('f', 4, int)
 #define EXT3_IOC32_GETRSVSZ            _IOR('f', 5, int)
@@ -241,6 +239,9 @@ struct ext3_new_group_data {
 #ifdef CONFIG_JBD_DEBUG
 #define EXT3_IOC32_WAIT_FOR_READONLY   _IOR('f', 99, int)
 #endif
+#define EXT3_IOC32_GETVERSION_OLD      FS_IOC32_GETVERSION
+#define EXT3_IOC32_SETVERSION_OLD      FS_IOC32_SETVERSION
+
 
 /*
  *  Mount options
@@ -379,6 +380,8 @@ struct ext3_inode {
 #define EXT3_MOUNT_QUOTA               0x80000 /* Some quota option set */
 #define EXT3_MOUNT_USRQUOTA            0x100000 /* "old" user quota */
 #define EXT3_MOUNT_GRPQUOTA            0x200000 /* "old" group quota */
+#define EXT3_MOUNT_DATA_ERR_ABORT      0x400000 /* Abort on file data write
+                                                 * error in ordered mode */
 
 /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
 #ifndef _LINUX_EXT2_FS_H
@@ -655,22 +658,36 @@ struct ext3_dir_entry_2 {
 #define EXT3_DIR_ROUND                 (EXT3_DIR_PAD - 1)
 #define EXT3_DIR_REC_LEN(name_len)     (((name_len) + 8 + EXT3_DIR_ROUND) & \
                                         ~EXT3_DIR_ROUND)
+#define EXT3_MAX_REC_LEN               ((1<<16)-1)
+
+static inline unsigned ext3_rec_len_from_disk(__le16 dlen)
+{
+       unsigned len = le16_to_cpu(dlen);
+
+       if (len == EXT3_MAX_REC_LEN)
+               return 1 << 16;
+       return len;
+}
+
+static inline __le16 ext3_rec_len_to_disk(unsigned len)
+{
+       if (len == (1 << 16))
+               return cpu_to_le16(EXT3_MAX_REC_LEN);
+       else if (len > (1 << 16))
+               BUG();
+       return cpu_to_le16(len);
+}
+
 /*
  * Hash Tree Directory indexing
  * (c) Daniel Phillips, 2001
  */
 
-#ifdef CONFIG_EXT3_INDEX
-  #define is_dx(dir) (EXT3_HAS_COMPAT_FEATURE(dir->i_sb, \
-                                             EXT3_FEATURE_COMPAT_DIR_INDEX) && \
+#define is_dx(dir) (EXT3_HAS_COMPAT_FEATURE(dir->i_sb, \
+                                     EXT3_FEATURE_COMPAT_DIR_INDEX) && \
                      (EXT3_I(dir)->i_flags & EXT3_INDEX_FL))
 #define EXT3_DIR_LINK_MAX(dir) (!is_dx(dir) && (dir)->i_nlink >= EXT3_LINK_MAX)
 #define EXT3_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2 || (dir)->i_nlink == 1)
-#else
-  #define is_dx(dir) 0
-#define EXT3_DIR_LINK_MAX(dir) ((dir)->i_nlink >= EXT3_LINK_MAX)
-#define EXT3_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2)
-#endif
 
 /* Legal values for the dx_root hash_version field: */
 
@@ -808,7 +825,7 @@ int ext3_get_blocks_handle(handle_t *handle, struct inode *inode,
        sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result,
        int create, int extend_disksize);
 
-extern void ext3_read_inode (struct inode *);
+extern struct inode *ext3_iget(struct super_block *, unsigned long);
 extern int  ext3_write_inode (struct inode *, int);
 extern int  ext3_setattr (struct dentry *, struct iattr *);
 extern void ext3_delete_inode (struct inode *);
@@ -817,13 +834,18 @@ extern void ext3_discard_reservation (struct inode *);
 extern void ext3_dirty_inode(struct inode *);
 extern int ext3_change_inode_journal_flag(struct inode *, int);
 extern int ext3_get_inode_loc(struct inode *, struct ext3_iloc *);
+extern int ext3_can_truncate(struct inode *inode);
 extern void ext3_truncate (struct inode *);
 extern void ext3_set_inode_flags(struct inode *);
+extern void ext3_get_inode_flags(struct ext3_inode_info *);
 extern void ext3_set_aops(struct inode *inode);
+extern int ext3_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+                      u64 start, u64 len);
 
 /* ioctl.c */
 extern int ext3_ioctl (struct inode *, struct file *, unsigned int,
                       unsigned long);
+extern long ext3_compat_ioctl (struct file *, unsigned int, unsigned long);
 
 /* namei.c */
 extern int ext3_orphan_add(handle_t *, struct inode *);
@@ -851,7 +873,7 @@ extern void ext3_update_dynamic_rev (struct super_block *sb);
 #define ext3_std_error(sb, errno)                              \
 do {                                                           \
        if ((errno))                                            \
-               __ext3_std_error((sb), __FUNCTION__, (errno));  \
+               __ext3_std_error((sb), __func__, (errno));      \
 } while (0)
 
 /*
@@ -862,16 +884,16 @@ do {                                                              \
 extern const struct file_operations ext3_dir_operations;
 
 /* file.c */
-extern struct inode_operations ext3_file_inode_operations;
+extern const struct inode_operations ext3_file_inode_operations;
 extern const struct file_operations ext3_file_operations;
 
 /* namei.c */
-extern struct inode_operations ext3_dir_inode_operations;
-extern struct inode_operations ext3_special_inode_operations;
+extern const struct inode_operations ext3_dir_inode_operations;
+extern const struct inode_operations ext3_special_inode_operations;
 
 /* symlink.c */
-extern struct inode_operations ext3_symlink_inode_operations;
-extern struct inode_operations ext3_fast_symlink_inode_operations;
+extern const struct inode_operations ext3_symlink_inode_operations;
+extern const struct inode_operations ext3_fast_symlink_inode_operations;
 
 
 #endif /* __KERNEL__ */