[FOSS_TLK]lib: fs: remove unused ext{2|3}_fs.h
Varun Wadekar [Mon, 1 Jun 2015 10:01:04 +0000 (15:01 +0530)]
In order to clear the Palamida IP scans, we need to remove these headers
from our tree.

Change-Id: I9974a02c7c9dcfc91219bb721ea3b26f5a62dba4
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-on: http://git-master/r/752891
Reviewed-by: Automatic_Commit_Validation_User

lib/fs/ext2/ext2_fs.h [deleted file]
lib/fs/ext2/ext3_fs.h [deleted file]

diff --git a/lib/fs/ext2/ext2_fs.h b/lib/fs/ext2/ext2_fs.h
deleted file mode 100644 (file)
index 9429cba..0000000
+++ /dev/null
@@ -1,436 +0,0 @@
-/*
- *  linux/include/linux/ext2_fs.h
- *
- * Copyright (C) 1992, 1993, 1994, 1995
- * Remy Card (card@masi.ibp.fr)
- * Laboratoire MASI - Institut Blaise Pascal
- * Universite Pierre et Marie Curie (Paris VI)
- *
- *  from
- *
- *  linux/include/linux/minix_fs.h
- *
- *  Copyright (C) 1991, 1992  Linus Torvalds
- */
-
-#ifndef _LINUX_EXT2_FS_H
-#define _LINUX_EXT2_FS_H
-
-#include <sys/types.h>
-#include <stdint.h>
-
-//#include <linux/types.h>
-//#include <linux/magic.h>
-
-/*
- * The second extended filesystem constants/structures
- */
-
-/*
- * Special inode numbers
- */
-#define        EXT2_BAD_INO             1      /* Bad blocks inode */
-#define EXT2_ROOT_INO           2      /* Root inode */
-#define EXT2_BOOT_LOADER_INO    5      /* Boot loader inode */
-#define EXT2_UNDEL_DIR_INO      6      /* Undelete directory inode */
-
-/* First non-reserved inode for old ext2 filesystems */
-#define EXT2_GOOD_OLD_FIRST_INO        11
-
-/*
- * Maximal count of links to a file
- */
-#define EXT2_LINK_MAX          32000
-
-/*
- * Macro-instructions used to manage several block sizes
- */
-#define EXT2_MIN_BLOCK_SIZE            1024
-#define        EXT2_MAX_BLOCK_SIZE             4096
-#define EXT2_MIN_BLOCK_LOG_SIZE                  10
-#define EXT2_BLOCK_SIZE(s)             ((uint32_t)EXT2_MIN_BLOCK_SIZE << (s).s_log_block_size)
-#define        EXT2_ADDR_PER_BLOCK(s)          (EXT2_BLOCK_SIZE(s) / sizeof (uint32_t))
-#define EXT2_BLOCK_SIZE_BITS(s)        ((s).s_log_block_size + 10)
-#define EXT2_INODE_SIZE(s)     (((s).s_rev_level == EXT2_GOOD_OLD_REV) ? \
-                                EXT2_GOOD_OLD_INODE_SIZE : \
-                                (s).s_inode_size)
-#define EXT2_FIRST_INO(s)      (((s).s_rev_level == EXT2_GOOD_OLD_REV) ? \
-                                EXT2_GOOD_OLD_FIRST_INO : \
-                                (s).s_first_ino)
-
-/*
- * Macro-instructions used to manage fragments
- */
-#define EXT2_MIN_FRAG_SIZE             1024
-#define        EXT2_MAX_FRAG_SIZE              4096
-#define EXT2_MIN_FRAG_LOG_SIZE           10
-#define EXT2_FRAG_SIZE(s)              (EXT2_MIN_FRAG_SIZE << (s).s_log_frag_size)
-#define EXT2_FRAGS_PER_BLOCK(s)        (EXT2_BLOCK_SIZE(s) / EXT2_FRAG_SIZE(s))
-
-/*
- * Structure of a blocks group descriptor
- */
-struct ext2_group_desc
-{
-       uint32_t        bg_block_bitmap;                /* Blocks bitmap block */
-       uint32_t        bg_inode_bitmap;                /* Inodes bitmap block */
-       uint32_t        bg_inode_table;         /* Inodes table block */
-       uint16_t        bg_free_blocks_count;   /* Free blocks count */
-       uint16_t        bg_free_inodes_count;   /* Free inodes count */
-       uint16_t        bg_used_dirs_count;     /* Directories count */
-       uint16_t        bg_pad;
-       uint32_t        bg_reserved[3];
-};
-
-/*
- * Macro-instructions used to manage group descriptors
- */
-#define EXT2_BLOCKS_PER_GROUP(s)       ((s).s_blocks_per_group)
-#define EXT2_DESC_PER_BLOCK(s)         (EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_group_desc))
-#define EXT2_INODES_PER_GROUP(s)       ((s).s_inodes_per_group)
-
-/*
- * Constants relative to the data blocks
- */
-#define        EXT2_NDIR_BLOCKS                12
-#define        EXT2_IND_BLOCK                  EXT2_NDIR_BLOCKS
-#define        EXT2_DIND_BLOCK                 (EXT2_IND_BLOCK + 1)
-#define        EXT2_TIND_BLOCK                 (EXT2_DIND_BLOCK + 1)
-#define        EXT2_N_BLOCKS                   (EXT2_TIND_BLOCK + 1)
-
-/*
- * Structure of an inode on the disk
- */
-struct ext2_inode {
-       uint16_t        i_mode;         /* File mode */
-       uint16_t        i_uid;          /* Low 16 bits of Owner Uid */
-       uint32_t        i_size;         /* Size in bytes */
-       uint32_t        i_atime;        /* Access time */
-       uint32_t        i_ctime;        /* Creation time */
-       uint32_t        i_mtime;        /* Modification time */
-       uint32_t        i_dtime;        /* Deletion Time */
-       uint16_t        i_gid;          /* Low 16 bits of Group Id */
-       uint16_t        i_links_count;  /* Links count */
-       uint32_t        i_blocks;       /* Blocks count */
-       uint32_t        i_flags;        /* File flags */
-       union {
-               struct {
-                       uint32_t  l_i_reserved1;
-               } linux1;
-               struct {
-                       uint32_t  h_i_translator;
-               } hurd1;
-               struct {
-                       uint32_t  m_i_reserved1;
-               } masix1;
-       } osd1;                         /* OS dependent 1 */
-       uint32_t        i_block[EXT2_N_BLOCKS];/* Pointers to blocks */
-       uint32_t        i_generation;   /* File version (for NFS) */
-       uint32_t        i_file_acl;     /* File ACL */
-       uint32_t        i_dir_acl;      /* Directory ACL */
-       uint32_t        i_faddr;        /* Fragment address */
-       union {
-               struct {
-                       uint8_t l_i_frag;       /* Fragment number */
-                       uint8_t l_i_fsize;      /* Fragment size */
-                       uint16_t        i_pad1;
-                       uint16_t        l_i_uid_high;   /* these 2 fields    */
-                       uint16_t        l_i_gid_high;   /* were reserved2[0] */
-                       uint32_t        l_i_reserved2;
-               } linux2;
-               struct {
-                       uint8_t h_i_frag;       /* Fragment number */
-                       uint8_t h_i_fsize;      /* Fragment size */
-                       uint16_t        h_i_mode_high;
-                       uint16_t        h_i_uid_high;
-                       uint16_t        h_i_gid_high;
-                       uint32_t        h_i_author;
-               } hurd2;
-               struct {
-                       uint8_t m_i_frag;       /* Fragment number */
-                       uint8_t m_i_fsize;      /* Fragment size */
-                       uint16_t        m_pad1;
-                       uint32_t        m_i_reserved2[2];
-               } masix2;
-       } osd2;                         /* OS dependent 2 */
-};
-
-#define i_size_high    i_dir_acl
-
-#define i_reserved1    osd1.linux1.l_i_reserved1
-#define i_frag         osd2.linux2.l_i_frag
-#define i_fsize                osd2.linux2.l_i_fsize
-#define i_uid_low      i_uid
-#define i_gid_low      i_gid
-#define i_uid_high     osd2.linux2.l_i_uid_high
-#define i_gid_high     osd2.linux2.l_i_gid_high
-#define i_reserved2    osd2.linux2.l_i_reserved2
-
-/*
- * File system states
- */
-#define        EXT2_VALID_FS                   0x0001  /* Unmounted cleanly */
-#define        EXT2_ERROR_FS                   0x0002  /* Errors detected */
-
-/*
- * Mount flags
- */
-#define EXT2_MOUNT_CHECK               0x000001  /* Do mount-time checks */
-#define EXT2_MOUNT_OLDALLOC            0x000002  /* Don't use the new Orlov allocator */
-#define EXT2_MOUNT_GRPID               0x000004  /* Create files with directory's group */
-#define EXT2_MOUNT_DEBUG               0x000008  /* Some debugging messages */
-#define EXT2_MOUNT_ERRORS_CONT         0x000010  /* Continue on errors */
-#define EXT2_MOUNT_ERRORS_RO           0x000020  /* Remount fs ro on errors */
-#define EXT2_MOUNT_ERRORS_PANIC                0x000040  /* Panic on errors */
-#define EXT2_MOUNT_MINIX_DF            0x000080  /* Mimics the Minix statfs */
-#define EXT2_MOUNT_NOBH                        0x000100  /* No buffer_heads */
-#define EXT2_MOUNT_NO_UID32            0x000200  /* Disable 32-bit UIDs */
-#define EXT2_MOUNT_XATTR_USER          0x004000  /* Extended user attributes */
-#define EXT2_MOUNT_POSIX_ACL           0x008000  /* POSIX Access Control Lists */
-#define EXT2_MOUNT_XIP                 0x010000  /* Execute in place */
-#define EXT2_MOUNT_USRQUOTA            0x020000 /* user quota */
-#define EXT2_MOUNT_GRPQUOTA            0x040000 /* group quota */
-
-
-#define clear_opt(o, opt)              o &= ~EXT2_MOUNT_##opt
-#define set_opt(o, opt)                        o |= EXT2_MOUNT_##opt
-#define test_opt(sb, opt)              (EXT2_SB(sb)->s_mount_opt & \
-                                        EXT2_MOUNT_##opt)
-/*
- * Maximal mount counts between two filesystem checks
- */
-#define EXT2_DFL_MAX_MNT_COUNT         20      /* Allow 20 mounts */
-#define EXT2_DFL_CHECKINTERVAL         0       /* Don't use interval check */
-
-/*
- * Behaviour when detecting errors
- */
-#define EXT2_ERRORS_CONTINUE           1       /* Continue execution */
-#define EXT2_ERRORS_RO                 2       /* Remount fs read-only */
-#define EXT2_ERRORS_PANIC              3       /* Panic */
-#define EXT2_ERRORS_DEFAULT            EXT2_ERRORS_CONTINUE
-
-#define EXT2_SUPER_MAGIC    0xEF53
-#define EXT3_SUPER_MAGIC    0xEF53
-#define EXT4_SUPER_MAGIC    0xEF53
-
-/*
- * Structure of the super block
- */
-struct ext2_super_block {
-       uint32_t        s_inodes_count;         /* Inodes count */
-       uint32_t        s_blocks_count;         /* Blocks count */
-       uint32_t        s_r_blocks_count;       /* Reserved blocks count */
-       uint32_t        s_free_blocks_count;    /* Free blocks count */
-       uint32_t        s_free_inodes_count;    /* Free inodes count */
-       uint32_t        s_first_data_block;     /* First Data Block */
-       uint32_t        s_log_block_size;       /* Block size */
-       uint32_t        s_log_frag_size;        /* Fragment size */
-       uint32_t        s_blocks_per_group;     /* # Blocks per group */
-       uint32_t        s_frags_per_group;      /* # Fragments per group */
-       uint32_t        s_inodes_per_group;     /* # Inodes per group */
-       uint32_t        s_mtime;                /* Mount time */
-       uint32_t        s_wtime;                /* Write time */
-       uint16_t        s_mnt_count;            /* Mount count */
-       uint16_t        s_max_mnt_count;        /* Maximal mount count */
-       uint16_t        s_magic;                /* Magic signature */
-       uint16_t        s_state;                /* File system state */
-       uint16_t        s_errors;               /* Behaviour when detecting errors */
-       uint16_t        s_minor_rev_level;      /* minor revision level */
-       uint32_t        s_lastcheck;            /* time of last check */
-       uint32_t        s_checkinterval;        /* max. time between checks */
-       uint32_t        s_creator_os;           /* OS */
-       uint32_t        s_rev_level;            /* Revision level */
-       uint16_t        s_def_resuid;           /* Default uid for reserved blocks */
-       uint16_t        s_def_resgid;           /* Default gid for reserved blocks */
-       /*
-        * These fields are for EXT2_DYNAMIC_REV superblocks only.
-        *
-        * Note: the difference between the compatible feature set and
-        * the incompatible feature set is that if there is a bit set
-        * in the incompatible feature set that the kernel doesn't
-        * know about, it should refuse to mount the filesystem.
-        * 
-        * e2fsck's requirements are more strict; if it doesn't know
-        * about a feature in either the compatible or incompatible
-        * feature set, it must abort and not try to meddle with
-        * things it doesn't understand...
-        */
-       uint32_t        s_first_ino;            /* First non-reserved inode */
-       uint16_t   s_inode_size;                /* size of inode structure */
-       uint16_t        s_block_group_nr;       /* block group # of this superblock */
-       uint32_t        s_feature_compat;       /* compatible feature set */
-       uint32_t        s_feature_incompat;     /* incompatible feature set */
-       uint32_t        s_feature_ro_compat;    /* readonly-compatible feature set */
-       uint8_t s_uuid[16];             /* 128-bit uuid for volume */
-       char    s_volume_name[16];      /* volume name */
-       char    s_last_mounted[64];     /* directory where last mounted */
-       uint32_t        s_algorithm_usage_bitmap; /* For compression */
-       /*
-        * Performance hints.  Directory preallocation should only
-        * happen if the EXT2_COMPAT_PREALLOC flag is on.
-        */
-       uint8_t s_prealloc_blocks;      /* Nr of blocks to try to preallocate*/
-       uint8_t s_prealloc_dir_blocks;  /* Nr to preallocate for dirs */
-       uint16_t        s_padding1;
-       /*
-        * Journaling support valid if EXT3_FEATURE_COMPAT_HAS_JOURNAL set.
-        */
-       uint8_t s_journal_uuid[16];     /* uuid of journal superblock */
-       uint32_t        s_journal_inum;         /* inode number of journal file */
-       uint32_t        s_journal_dev;          /* device number of journal file */
-       uint32_t        s_last_orphan;          /* start of list of inodes to delete */
-       uint32_t        s_hash_seed[4];         /* HTREE hash seed */
-       uint8_t s_def_hash_version;     /* Default hash version to use */
-       uint8_t s_reserved_char_pad;
-       uint16_t        s_reserved_word_pad;
-       uint32_t        s_default_mount_opts;
-       uint32_t        s_first_meta_bg;        /* First metablock block group */
-       uint32_t        s_reserved[190];        /* Padding to the end of the block */
-};
-
-/*
- * Codes for operating systems
- */
-#define EXT2_OS_LINUX          0
-#define EXT2_OS_HURD           1
-#define EXT2_OS_MASIX          2
-#define EXT2_OS_FREEBSD                3
-#define EXT2_OS_LITES          4
-
-/*
- * Revision levels
- */
-#define EXT2_GOOD_OLD_REV      0       /* The good old (original) format */
-#define EXT2_DYNAMIC_REV       1       /* V2 format w/ dynamic inode sizes */
-
-#define EXT2_CURRENT_REV       EXT2_GOOD_OLD_REV
-#define EXT2_MAX_SUPP_REV      EXT2_DYNAMIC_REV
-
-#define EXT2_GOOD_OLD_INODE_SIZE 128
-
-/*
- * Feature set definitions
- */
-
-#define EXT2_HAS_COMPAT_FEATURE(sb,mask)                       \
-       ( (sb).s_feature_compat & cpu_to_le32(mask) )
-#define EXT2_HAS_RO_COMPAT_FEATURE(sb,mask)                    \
-       ( (sb).s_feature_ro_compat & cpu_to_le32(mask) )
-#define EXT2_HAS_INCOMPAT_FEATURE(sb,mask)                     \
-       ( (sb).s_feature_incompat & cpu_to_le32(mask) )
-#define EXT2_SET_COMPAT_FEATURE(sb,mask)                       \
-       (sb).s_feature_compat |= cpu_to_le32(mask)
-#define EXT2_SET_RO_COMPAT_FEATURE(sb,mask)                    \
-       (sb).s_feature_ro_compat |= cpu_to_le32(mask)
-#define EXT2_SET_INCOMPAT_FEATURE(sb,mask)                     \
-       (sb).s_feature_incompat |= cpu_to_le32(mask)
-#define EXT2_CLEAR_COMPAT_FEATURE(sb,mask)                     \
-       (sb).s_feature_compat &= ~cpu_to_le32(mask)
-#define EXT2_CLEAR_RO_COMPAT_FEATURE(sb,mask)                  \
-       (sb).s_feature_ro_compat &= ~cpu_to_le32(mask)
-#define EXT2_CLEAR_INCOMPAT_FEATURE(sb,mask)                   \
-       (sb).s_feature_incompat &= ~cpu_to_le32(mask)
-
-#define EXT2_FEATURE_COMPAT_DIR_PREALLOC       0x0001
-#define EXT2_FEATURE_COMPAT_IMAGIC_INODES      0x0002
-#define EXT3_FEATURE_COMPAT_HAS_JOURNAL                0x0004
-#define EXT2_FEATURE_COMPAT_EXT_ATTR           0x0008
-#define EXT2_FEATURE_COMPAT_RESIZE_INO         0x0010
-#define EXT2_FEATURE_COMPAT_DIR_INDEX          0x0020
-#define EXT2_FEATURE_COMPAT_ANY                        0xffffffff
-
-#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER    0x0001
-#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE      0x0002
-#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR       0x0004
-#define EXT2_FEATURE_RO_COMPAT_ANY             0xffffffff
-
-#define EXT2_FEATURE_INCOMPAT_COMPRESSION      0x0001
-#define EXT2_FEATURE_INCOMPAT_FILETYPE         0x0002
-#define EXT3_FEATURE_INCOMPAT_RECOVER          0x0004
-#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV      0x0008
-#define EXT2_FEATURE_INCOMPAT_META_BG          0x0010
-#define EXT2_FEATURE_INCOMPAT_ANY              0xffffffff
-
-#define EXT2_FEATURE_COMPAT_SUPP       EXT2_FEATURE_COMPAT_EXT_ATTR
-#define EXT2_FEATURE_INCOMPAT_SUPP     (EXT2_FEATURE_INCOMPAT_FILETYPE| \
-                                        EXT2_FEATURE_INCOMPAT_META_BG)
-#define EXT2_FEATURE_RO_COMPAT_SUPP    (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
-                                        EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
-                                        EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
-#define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED     ~EXT2_FEATURE_RO_COMPAT_SUPP
-#define EXT2_FEATURE_INCOMPAT_UNSUPPORTED      ~EXT2_FEATURE_INCOMPAT_SUPP
-
-/*
- * Default values for user and/or group using reserved blocks
- */
-#define        EXT2_DEF_RESUID         0
-#define        EXT2_DEF_RESGID         0
-
-/*
- * Default mount options
- */
-#define EXT2_DEFM_DEBUG                0x0001
-#define EXT2_DEFM_BSDGROUPS    0x0002
-#define EXT2_DEFM_XATTR_USER   0x0004
-#define EXT2_DEFM_ACL          0x0008
-#define EXT2_DEFM_UID16                0x0010
-    /* Not used by ext2, but reserved for use by ext3 */
-#define EXT3_DEFM_JMODE                0x0060 
-#define EXT3_DEFM_JMODE_DATA   0x0020
-#define EXT3_DEFM_JMODE_ORDERED        0x0040
-#define EXT3_DEFM_JMODE_WBACK  0x0060
-
-/*
- * Structure of a directory entry
- */
-#define EXT2_NAME_LEN 255
-
-struct ext2_dir_entry {
-       uint32_t        inode;                  /* Inode number */
-       uint16_t        rec_len;                /* Directory entry length */
-       uint16_t        name_len;               /* Name length */
-       char    name[EXT2_NAME_LEN];    /* File name */
-};
-
-/*
- * The new version of the directory entry.  Since EXT2 structures are
- * stored in intel byte order, and the name_len field could never be
- * bigger than 255 chars, it's safe to reclaim the extra byte for the
- * file_type field.
- */
-struct ext2_dir_entry_2 {
-       uint32_t        inode;                  /* Inode number */
-       uint16_t        rec_len;                /* Directory entry length */
-       uint8_t name_len;               /* Name length */
-       uint8_t file_type;
-       char    name[EXT2_NAME_LEN];    /* File name */
-};
-
-/*
- * Ext2 directory file types.  Only the low 3 bits are used.  The
- * other bits are reserved for now.
- */
-enum {
-       EXT2_FT_UNKNOWN,
-       EXT2_FT_REG_FILE,
-       EXT2_FT_DIR,
-       EXT2_FT_CHRDEV,
-       EXT2_FT_BLKDEV,
-       EXT2_FT_FIFO,
-       EXT2_FT_SOCK,
-       EXT2_FT_SYMLINK,
-       EXT2_FT_MAX
-};
-
-/*
- * EXT2_DIR_PAD defines the directory entries boundaries
- *
- * NOTE: It must be a multiple of 4
- */
-#define EXT2_DIR_PAD                   4
-#define EXT2_DIR_ROUND                         (EXT2_DIR_PAD - 1)
-#define EXT2_DIR_REC_LEN(name_len)     (((name_len) + 8 + EXT2_DIR_ROUND) & \
-                                        ~EXT2_DIR_ROUND)
-
-#endif /* _LINUX_EXT2_FS_H */
diff --git a/lib/fs/ext2/ext3_fs.h b/lib/fs/ext2/ext3_fs.h
deleted file mode 100644 (file)
index ece49a8..0000000
+++ /dev/null
@@ -1,886 +0,0 @@
-/*
- *  linux/include/linux/ext3_fs.h
- *
- * Copyright (C) 1992, 1993, 1994, 1995
- * Remy Card (card@masi.ibp.fr)
- * Laboratoire MASI - Institut Blaise Pascal
- * Universite Pierre et Marie Curie (Paris VI)
- *
- *  from
- *
- *  linux/include/linux/minix_fs.h
- *
- *  Copyright (C) 1991, 1992  Linus Torvalds
- */
-
-#ifndef _LINUX_EXT3_FS_H
-#define _LINUX_EXT3_FS_H
-
-#include <linux/types.h>
-#include <linux/magic.h>
-
-/*
- * The second extended filesystem constants/structures
- */
-
-/*
- * Define EXT3FS_DEBUG to produce debug messages
- */
-#undef EXT3FS_DEBUG
-
-/*
- * Define EXT3_RESERVATION to reserve data blocks for expanding files
- */
-#define EXT3_DEFAULT_RESERVE_BLOCKS     8
-/*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
- */
-#ifdef EXT3FS_DEBUG
-#define ext3_debug(f, a...)                                            \
-       do {                                                            \
-               printk (KERN_DEBUG "EXT3-fs DEBUG (%s, %d): %s:",       \
-                       __FILE__, __LINE__, __FUNCTION__);              \
-               printk (KERN_DEBUG f, ## a);                            \
-       } while (0)
-#else
-#define ext3_debug(f, a...)    do {} while (0)
-#endif
-
-/*
- * Special inodes numbers
- */
-#define        EXT3_BAD_INO             1      /* Bad blocks inode */
-#define EXT3_ROOT_INO           2      /* Root inode */
-#define EXT3_BOOT_LOADER_INO    5      /* Boot loader inode */
-#define EXT3_UNDEL_DIR_INO      6      /* Undelete directory inode */
-#define EXT3_RESIZE_INO                 7      /* Reserved group descriptors inode */
-#define EXT3_JOURNAL_INO        8      /* Journal inode */
-
-/* First non-reserved inode for old ext3 filesystems */
-#define EXT3_GOOD_OLD_FIRST_INO        11
-
-/*
- * Maximal count of links to a file
- */
-#define EXT3_LINK_MAX          32000
-
-/*
- * 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
-#ifdef __KERNEL__
-# define EXT3_BLOCK_SIZE(s)            ((s)->s_blocksize)
-#else
-# define EXT3_BLOCK_SIZE(s)            (EXT3_MIN_BLOCK_SIZE << (s)->s_log_block_size)
-#endif
-#define        EXT3_ADDR_PER_BLOCK(s)          (EXT3_BLOCK_SIZE(s) / sizeof (__u32))
-#ifdef __KERNEL__
-# define EXT3_BLOCK_SIZE_BITS(s)       ((s)->s_blocksize_bits)
-#else
-# define EXT3_BLOCK_SIZE_BITS(s)       ((s)->s_log_block_size + 10)
-#endif
-#ifdef __KERNEL__
-#define        EXT3_ADDR_PER_BLOCK_BITS(s)     (EXT3_SB(s)->s_addr_per_block_bits)
-#define EXT3_INODE_SIZE(s)             (EXT3_SB(s)->s_inode_size)
-#define EXT3_FIRST_INO(s)              (EXT3_SB(s)->s_first_ino)
-#else
-#define EXT3_INODE_SIZE(s)     (((s)->s_rev_level == EXT3_GOOD_OLD_REV) ? \
-                                EXT3_GOOD_OLD_INODE_SIZE : \
-                                (s)->s_inode_size)
-#define EXT3_FIRST_INO(s)      (((s)->s_rev_level == EXT3_GOOD_OLD_REV) ? \
-                                EXT3_GOOD_OLD_FIRST_INO : \
-                                (s)->s_first_ino)
-#endif
-
-/*
- * Macro-instructions used to manage fragments
- */
-#define EXT3_MIN_FRAG_SIZE             1024
-#define        EXT3_MAX_FRAG_SIZE              4096
-#define EXT3_MIN_FRAG_LOG_SIZE           10
-#ifdef __KERNEL__
-# define EXT3_FRAG_SIZE(s)             (EXT3_SB(s)->s_frag_size)
-# define EXT3_FRAGS_PER_BLOCK(s)       (EXT3_SB(s)->s_frags_per_block)
-#else
-# define EXT3_FRAG_SIZE(s)             (EXT3_MIN_FRAG_SIZE << (s)->s_log_frag_size)
-# define EXT3_FRAGS_PER_BLOCK(s)       (EXT3_BLOCK_SIZE(s) / EXT3_FRAG_SIZE(s))
-#endif
-
-/*
- * Structure of a blocks group descriptor
- */
-struct ext3_group_desc
-{
-       __le32  bg_block_bitmap;                /* Blocks bitmap block */
-       __le32  bg_inode_bitmap;                /* Inodes bitmap block */
-       __le32  bg_inode_table;         /* Inodes table block */
-       __le16  bg_free_blocks_count;   /* Free blocks count */
-       __le16  bg_free_inodes_count;   /* Free inodes count */
-       __le16  bg_used_dirs_count;     /* Directories count */
-       __u16   bg_pad;
-       __le32  bg_reserved[3];
-};
-
-/*
- * Macro-instructions used to manage group descriptors
- */
-#ifdef __KERNEL__
-# define EXT3_BLOCKS_PER_GROUP(s)      (EXT3_SB(s)->s_blocks_per_group)
-# define EXT3_DESC_PER_BLOCK(s)                (EXT3_SB(s)->s_desc_per_block)
-# define EXT3_INODES_PER_GROUP(s)      (EXT3_SB(s)->s_inodes_per_group)
-# define EXT3_DESC_PER_BLOCK_BITS(s)   (EXT3_SB(s)->s_desc_per_block_bits)
-#else
-# define EXT3_BLOCKS_PER_GROUP(s)      ((s)->s_blocks_per_group)
-# define EXT3_DESC_PER_BLOCK(s)                (EXT3_BLOCK_SIZE(s) / sizeof (struct ext3_group_desc))
-# define EXT3_INODES_PER_GROUP(s)      ((s)->s_inodes_per_group)
-#endif
-
-/*
- * Constants relative to the data blocks
- */
-#define        EXT3_NDIR_BLOCKS                12
-#define        EXT3_IND_BLOCK                  EXT3_NDIR_BLOCKS
-#define        EXT3_DIND_BLOCK                 (EXT3_IND_BLOCK + 1)
-#define        EXT3_TIND_BLOCK                 (EXT3_DIND_BLOCK + 1)
-#define        EXT3_N_BLOCKS                   (EXT3_TIND_BLOCK + 1)
-
-/*
- * Inode flags
- */
-#define        EXT3_SECRM_FL                   0x00000001 /* Secure deletion */
-#define        EXT3_UNRM_FL                    0x00000002 /* Undelete */
-#define        EXT3_COMPR_FL                   0x00000004 /* Compress file */
-#define EXT3_SYNC_FL                   0x00000008 /* Synchronous updates */
-#define EXT3_IMMUTABLE_FL              0x00000010 /* Immutable file */
-#define EXT3_APPEND_FL                 0x00000020 /* writes to file may only append */
-#define EXT3_NODUMP_FL                 0x00000040 /* do not dump file */
-#define EXT3_NOATIME_FL                        0x00000080 /* do not update atime */
-/* Reserved for compression usage... */
-#define EXT3_DIRTY_FL                  0x00000100
-#define EXT3_COMPRBLK_FL               0x00000200 /* One or more compressed clusters */
-#define EXT3_NOCOMPR_FL                        0x00000400 /* Don't compress */
-#define EXT3_ECOMPR_FL                 0x00000800 /* Compression error */
-/* End compression flags --- maybe not all used */
-#define EXT3_INDEX_FL                  0x00001000 /* hash-indexed directory */
-#define EXT3_IMAGIC_FL                 0x00002000 /* AFS directory */
-#define EXT3_JOURNAL_DATA_FL           0x00004000 /* file data should be journaled */
-#define EXT3_NOTAIL_FL                 0x00008000 /* file tail should not be merged */
-#define EXT3_DIRSYNC_FL                        0x00010000 /* dirsync behaviour (directories only) */
-#define EXT3_TOPDIR_FL                 0x00020000 /* Top of directory hierarchies*/
-#define EXT3_RESERVED_FL               0x80000000 /* reserved for ext3 lib */
-
-#define EXT3_FL_USER_VISIBLE           0x0003DFFF /* User visible flags */
-#define EXT3_FL_USER_MODIFIABLE                0x000380FF /* User modifiable flags */
-
-/*
- * Inode dynamic state flags
- */
-#define EXT3_STATE_JDATA               0x00000001 /* journaled data exists */
-#define EXT3_STATE_NEW                 0x00000002 /* inode is newly created */
-#define EXT3_STATE_XATTR               0x00000004 /* has in-inode xattrs */
-
-/* Used to pass group descriptor data when online resize is done */
-struct ext3_new_group_input {
-       __u32 group;            /* Group number for this data */
-       __u32 block_bitmap;     /* Absolute block number of block bitmap */
-       __u32 inode_bitmap;     /* Absolute block number of inode bitmap */
-       __u32 inode_table;      /* Absolute block number of inode table start */
-       __u32 blocks_count;     /* Total number of blocks in this group */
-       __u16 reserved_blocks;  /* Number of reserved blocks in this group */
-       __u16 unused;
-};
-
-/* The struct ext3_new_group_input in kernel space, with free_blocks_count */
-struct ext3_new_group_data {
-       __u32 group;
-       __u32 block_bitmap;
-       __u32 inode_bitmap;
-       __u32 inode_table;
-       __u32 blocks_count;
-       __u16 reserved_blocks;
-       __u16 unused;
-       __u32 free_blocks_count;
-};
-
-
-/*
- * ioctl commands
- */
-#define        EXT3_IOC_GETFLAGS               FS_IOC_GETFLAGS
-#define        EXT3_IOC_SETFLAGS               FS_IOC_SETFLAGS
-#define        EXT3_IOC_GETVERSION             _IOR('f', 3, long)
-#define        EXT3_IOC_SETVERSION             _IOW('f', 4, long)
-#define EXT3_IOC_GROUP_EXTEND          _IOW('f', 7, unsigned long)
-#define EXT3_IOC_GROUP_ADD             _IOW('f', 8,struct ext3_new_group_input)
-#define        EXT3_IOC_GETVERSION_OLD         FS_IOC_GETVERSION
-#define        EXT3_IOC_SETVERSION_OLD         FS_IOC_SETVERSION
-#ifdef CONFIG_JBD_DEBUG
-#define EXT3_IOC_WAIT_FOR_READONLY     _IOR('f', 99, long)
-#endif
-#define EXT3_IOC_GETRSVSZ              _IOR('f', 5, long)
-#define EXT3_IOC_SETRSVSZ              _IOW('f', 6, long)
-
-/*
- * 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)
-#define EXT3_IOC32_SETRSVSZ            _IOW('f', 6, int)
-#define EXT3_IOC32_GROUP_EXTEND                _IOW('f', 7, unsigned int)
-#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
- */
-struct ext3_mount_options {
-       unsigned long s_mount_opt;
-       uid_t s_resuid;
-       gid_t s_resgid;
-       unsigned long s_commit_interval;
-#ifdef CONFIG_QUOTA
-       int s_jquota_fmt;
-       char *s_qf_names[MAXQUOTAS];
-#endif
-};
-
-/*
- * Structure of an inode on the disk
- */
-struct ext3_inode {
-       __le16  i_mode;         /* File mode */
-       __le16  i_uid;          /* Low 16 bits of Owner Uid */
-       __le32  i_size;         /* Size in bytes */
-       __le32  i_atime;        /* Access time */
-       __le32  i_ctime;        /* Creation time */
-       __le32  i_mtime;        /* Modification time */
-       __le32  i_dtime;        /* Deletion Time */
-       __le16  i_gid;          /* Low 16 bits of Group Id */
-       __le16  i_links_count;  /* Links count */
-       __le32  i_blocks;       /* Blocks count */
-       __le32  i_flags;        /* File flags */
-       union {
-               struct {
-                       __u32  l_i_reserved1;
-               } linux1;
-               struct {
-                       __u32  h_i_translator;
-               } hurd1;
-               struct {
-                       __u32  m_i_reserved1;
-               } masix1;
-       } osd1;                         /* OS dependent 1 */
-       __le32  i_block[EXT3_N_BLOCKS];/* Pointers to blocks */
-       __le32  i_generation;   /* File version (for NFS) */
-       __le32  i_file_acl;     /* File ACL */
-       __le32  i_dir_acl;      /* Directory ACL */
-       __le32  i_faddr;        /* Fragment address */
-       union {
-               struct {
-                       __u8    l_i_frag;       /* Fragment number */
-                       __u8    l_i_fsize;      /* Fragment size */
-                       __u16   i_pad1;
-                       __le16  l_i_uid_high;   /* these 2 fields    */
-                       __le16  l_i_gid_high;   /* were reserved2[0] */
-                       __u32   l_i_reserved2;
-               } linux2;
-               struct {
-                       __u8    h_i_frag;       /* Fragment number */
-                       __u8    h_i_fsize;      /* Fragment size */
-                       __u16   h_i_mode_high;
-                       __u16   h_i_uid_high;
-                       __u16   h_i_gid_high;
-                       __u32   h_i_author;
-               } hurd2;
-               struct {
-                       __u8    m_i_frag;       /* Fragment number */
-                       __u8    m_i_fsize;      /* Fragment size */
-                       __u16   m_pad1;
-                       __u32   m_i_reserved2[2];
-               } masix2;
-       } osd2;                         /* OS dependent 2 */
-       __le16  i_extra_isize;
-       __le16  i_pad1;
-};
-
-#define i_size_high    i_dir_acl
-
-#if defined(__KERNEL__) || defined(__linux__)
-#define i_reserved1    osd1.linux1.l_i_reserved1
-#define i_frag         osd2.linux2.l_i_frag
-#define i_fsize                osd2.linux2.l_i_fsize
-#define i_uid_low      i_uid
-#define i_gid_low      i_gid
-#define i_uid_high     osd2.linux2.l_i_uid_high
-#define i_gid_high     osd2.linux2.l_i_gid_high
-#define i_reserved2    osd2.linux2.l_i_reserved2
-
-#elif defined(__GNU__)
-
-#define i_translator   osd1.hurd1.h_i_translator
-#define i_frag         osd2.hurd2.h_i_frag;
-#define i_fsize                osd2.hurd2.h_i_fsize;
-#define i_uid_high     osd2.hurd2.h_i_uid_high
-#define i_gid_high     osd2.hurd2.h_i_gid_high
-#define i_author       osd2.hurd2.h_i_author
-
-#elif defined(__masix__)
-
-#define i_reserved1    osd1.masix1.m_i_reserved1
-#define i_frag         osd2.masix2.m_i_frag
-#define i_fsize                osd2.masix2.m_i_fsize
-#define i_reserved2    osd2.masix2.m_i_reserved2
-
-#endif /* defined(__KERNEL__) || defined(__linux__) */
-
-/*
- * File system states
- */
-#define        EXT3_VALID_FS                   0x0001  /* Unmounted cleanly */
-#define        EXT3_ERROR_FS                   0x0002  /* Errors detected */
-#define        EXT3_ORPHAN_FS                  0x0004  /* Orphans being recovered */
-
-/*
- * Mount flags
- */
-#define EXT3_MOUNT_CHECK               0x00001 /* Do mount-time checks */
-#define EXT3_MOUNT_OLDALLOC            0x00002  /* Don't use the new Orlov allocator */
-#define EXT3_MOUNT_GRPID               0x00004 /* Create files with directory's group */
-#define EXT3_MOUNT_DEBUG               0x00008 /* Some debugging messages */
-#define EXT3_MOUNT_ERRORS_CONT         0x00010 /* Continue on errors */
-#define EXT3_MOUNT_ERRORS_RO           0x00020 /* Remount fs ro on errors */
-#define EXT3_MOUNT_ERRORS_PANIC                0x00040 /* Panic on errors */
-#define EXT3_MOUNT_MINIX_DF            0x00080 /* Mimics the Minix statfs */
-#define EXT3_MOUNT_NOLOAD              0x00100 /* Don't use existing journal*/
-#define EXT3_MOUNT_ABORT               0x00200 /* Fatal error detected */
-#define EXT3_MOUNT_DATA_FLAGS          0x00C00 /* Mode for data writes: */
-#define EXT3_MOUNT_JOURNAL_DATA                0x00400 /* Write data to journal */
-#define EXT3_MOUNT_ORDERED_DATA                0x00800 /* Flush data before commit */
-#define EXT3_MOUNT_WRITEBACK_DATA      0x00C00 /* No data ordering */
-#define EXT3_MOUNT_UPDATE_JOURNAL      0x01000 /* Update the journal format */
-#define EXT3_MOUNT_NO_UID32            0x02000  /* Disable 32-bit UIDs */
-#define EXT3_MOUNT_XATTR_USER          0x04000 /* Extended user attributes */
-#define EXT3_MOUNT_POSIX_ACL           0x08000 /* POSIX Access Control Lists */
-#define EXT3_MOUNT_RESERVATION         0x10000 /* Preallocation */
-#define EXT3_MOUNT_BARRIER             0x20000 /* Use block barriers */
-#define EXT3_MOUNT_NOBH                        0x40000 /* No bufferheads */
-#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 */
-
-/* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
-#ifndef _LINUX_EXT2_FS_H
-#define clear_opt(o, opt)              o &= ~EXT3_MOUNT_##opt
-#define set_opt(o, opt)                        o |= EXT3_MOUNT_##opt
-#define test_opt(sb, opt)              (EXT3_SB(sb)->s_mount_opt & \
-                                        EXT3_MOUNT_##opt)
-#else
-#define EXT2_MOUNT_NOLOAD              EXT3_MOUNT_NOLOAD
-#define EXT2_MOUNT_ABORT               EXT3_MOUNT_ABORT
-#define EXT2_MOUNT_DATA_FLAGS          EXT3_MOUNT_DATA_FLAGS
-#endif
-
-#define ext3_set_bit                   ext2_set_bit
-#define ext3_set_bit_atomic            ext2_set_bit_atomic
-#define ext3_clear_bit                 ext2_clear_bit
-#define ext3_clear_bit_atomic          ext2_clear_bit_atomic
-#define ext3_test_bit                  ext2_test_bit
-#define ext3_find_first_zero_bit       ext2_find_first_zero_bit
-#define ext3_find_next_zero_bit                ext2_find_next_zero_bit
-
-/*
- * Maximal mount counts between two filesystem checks
- */
-#define EXT3_DFL_MAX_MNT_COUNT         20      /* Allow 20 mounts */
-#define EXT3_DFL_CHECKINTERVAL         0       /* Don't use interval check */
-
-/*
- * Behaviour when detecting errors
- */
-#define EXT3_ERRORS_CONTINUE           1       /* Continue execution */
-#define EXT3_ERRORS_RO                 2       /* Remount fs read-only */
-#define EXT3_ERRORS_PANIC              3       /* Panic */
-#define EXT3_ERRORS_DEFAULT            EXT3_ERRORS_CONTINUE
-
-/*
- * Structure of the super block
- */
-struct ext3_super_block {
-/*00*/ __le32  s_inodes_count;         /* Inodes count */
-       __le32  s_blocks_count;         /* Blocks count */
-       __le32  s_r_blocks_count;       /* Reserved blocks count */
-       __le32  s_free_blocks_count;    /* Free blocks count */
-/*10*/ __le32  s_free_inodes_count;    /* Free inodes count */
-       __le32  s_first_data_block;     /* First Data Block */
-       __le32  s_log_block_size;       /* Block size */
-       __le32  s_log_frag_size;        /* Fragment size */
-/*20*/ __le32  s_blocks_per_group;     /* # Blocks per group */
-       __le32  s_frags_per_group;      /* # Fragments per group */
-       __le32  s_inodes_per_group;     /* # Inodes per group */
-       __le32  s_mtime;                /* Mount time */
-/*30*/ __le32  s_wtime;                /* Write time */
-       __le16  s_mnt_count;            /* Mount count */
-       __le16  s_max_mnt_count;        /* Maximal mount count */
-       __le16  s_magic;                /* Magic signature */
-       __le16  s_state;                /* File system state */
-       __le16  s_errors;               /* Behaviour when detecting errors */
-       __le16  s_minor_rev_level;      /* minor revision level */
-/*40*/ __le32  s_lastcheck;            /* time of last check */
-       __le32  s_checkinterval;        /* max. time between checks */
-       __le32  s_creator_os;           /* OS */
-       __le32  s_rev_level;            /* Revision level */
-/*50*/ __le16  s_def_resuid;           /* Default uid for reserved blocks */
-       __le16  s_def_resgid;           /* Default gid for reserved blocks */
-       /*
-        * These fields are for EXT3_DYNAMIC_REV superblocks only.
-        *
-        * Note: the difference between the compatible feature set and
-        * the incompatible feature set is that if there is a bit set
-        * in the incompatible feature set that the kernel doesn't
-        * know about, it should refuse to mount the filesystem.
-        *
-        * e2fsck's requirements are more strict; if it doesn't know
-        * about a feature in either the compatible or incompatible
-        * feature set, it must abort and not try to meddle with
-        * things it doesn't understand...
-        */
-       __le32  s_first_ino;            /* First non-reserved inode */
-       __le16   s_inode_size;          /* size of inode structure */
-       __le16  s_block_group_nr;       /* block group # of this superblock */
-       __le32  s_feature_compat;       /* compatible feature set */
-/*60*/ __le32  s_feature_incompat;     /* incompatible feature set */
-       __le32  s_feature_ro_compat;    /* readonly-compatible feature set */
-/*68*/ __u8    s_uuid[16];             /* 128-bit uuid for volume */
-/*78*/ char    s_volume_name[16];      /* volume name */
-/*88*/ char    s_last_mounted[64];     /* directory where last mounted */
-/*C8*/ __le32  s_algorithm_usage_bitmap; /* For compression */
-       /*
-        * Performance hints.  Directory preallocation should only
-        * happen if the EXT3_FEATURE_COMPAT_DIR_PREALLOC flag is on.
-        */
-       __u8    s_prealloc_blocks;      /* Nr of blocks to try to preallocate*/
-       __u8    s_prealloc_dir_blocks;  /* Nr to preallocate for dirs */
-       __le16  s_reserved_gdt_blocks;  /* Per group desc for online growth */
-       /*
-        * Journaling support valid if EXT3_FEATURE_COMPAT_HAS_JOURNAL set.
-        */
-/*D0*/ __u8    s_journal_uuid[16];     /* uuid of journal superblock */
-/*E0*/ __le32  s_journal_inum;         /* inode number of journal file */
-       __le32  s_journal_dev;          /* device number of journal file */
-       __le32  s_last_orphan;          /* start of list of inodes to delete */
-       __le32  s_hash_seed[4];         /* HTREE hash seed */
-       __u8    s_def_hash_version;     /* Default hash version to use */
-       __u8    s_reserved_char_pad;
-       __u16   s_reserved_word_pad;
-       __le32  s_default_mount_opts;
-       __le32  s_first_meta_bg;        /* First metablock block group */
-       __u32   s_reserved[190];        /* Padding to the end of the 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;
-}
-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
- * macros from user land. */
-#define EXT3_SB(sb)    (sb)
-#endif
-
-#define NEXT_ORPHAN(inode) EXT3_I(inode)->i_dtime
-
-/*
- * Codes for operating systems
- */
-#define EXT3_OS_LINUX          0
-#define EXT3_OS_HURD           1
-#define EXT3_OS_MASIX          2
-#define EXT3_OS_FREEBSD                3
-#define EXT3_OS_LITES          4
-
-/*
- * Revision levels
- */
-#define EXT3_GOOD_OLD_REV      0       /* The good old (original) format */
-#define EXT3_DYNAMIC_REV       1       /* V2 format w/ dynamic inode sizes */
-
-#define EXT3_CURRENT_REV       EXT3_GOOD_OLD_REV
-#define EXT3_MAX_SUPP_REV      EXT3_DYNAMIC_REV
-
-#define EXT3_GOOD_OLD_INODE_SIZE 128
-
-/*
- * Feature set definitions
- */
-
-#define EXT3_HAS_COMPAT_FEATURE(sb,mask)                       \
-       ( EXT3_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask) )
-#define EXT3_HAS_RO_COMPAT_FEATURE(sb,mask)                    \
-       ( EXT3_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask) )
-#define EXT3_HAS_INCOMPAT_FEATURE(sb,mask)                     \
-       ( EXT3_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask) )
-#define EXT3_SET_COMPAT_FEATURE(sb,mask)                       \
-       EXT3_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask)
-#define EXT3_SET_RO_COMPAT_FEATURE(sb,mask)                    \
-       EXT3_SB(sb)->s_es->s_feature_ro_compat |= cpu_to_le32(mask)
-#define EXT3_SET_INCOMPAT_FEATURE(sb,mask)                     \
-       EXT3_SB(sb)->s_es->s_feature_incompat |= cpu_to_le32(mask)
-#define EXT3_CLEAR_COMPAT_FEATURE(sb,mask)                     \
-       EXT3_SB(sb)->s_es->s_feature_compat &= ~cpu_to_le32(mask)
-#define EXT3_CLEAR_RO_COMPAT_FEATURE(sb,mask)                  \
-       EXT3_SB(sb)->s_es->s_feature_ro_compat &= ~cpu_to_le32(mask)
-#define EXT3_CLEAR_INCOMPAT_FEATURE(sb,mask)                   \
-       EXT3_SB(sb)->s_es->s_feature_incompat &= ~cpu_to_le32(mask)
-
-#define EXT3_FEATURE_COMPAT_DIR_PREALLOC       0x0001
-#define EXT3_FEATURE_COMPAT_IMAGIC_INODES      0x0002
-#define EXT3_FEATURE_COMPAT_HAS_JOURNAL                0x0004
-#define EXT3_FEATURE_COMPAT_EXT_ATTR           0x0008
-#define EXT3_FEATURE_COMPAT_RESIZE_INODE       0x0010
-#define EXT3_FEATURE_COMPAT_DIR_INDEX          0x0020
-
-#define EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER    0x0001
-#define EXT3_FEATURE_RO_COMPAT_LARGE_FILE      0x0002
-#define EXT3_FEATURE_RO_COMPAT_BTREE_DIR       0x0004
-
-#define EXT3_FEATURE_INCOMPAT_COMPRESSION      0x0001
-#define EXT3_FEATURE_INCOMPAT_FILETYPE         0x0002
-#define EXT3_FEATURE_INCOMPAT_RECOVER          0x0004 /* Needs recovery */
-#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV      0x0008 /* Journal device */
-#define EXT3_FEATURE_INCOMPAT_META_BG          0x0010
-
-#define EXT3_FEATURE_COMPAT_SUPP       EXT2_FEATURE_COMPAT_EXT_ATTR
-#define EXT3_FEATURE_INCOMPAT_SUPP     (EXT3_FEATURE_INCOMPAT_FILETYPE| \
-                                        EXT3_FEATURE_INCOMPAT_RECOVER| \
-                                        EXT3_FEATURE_INCOMPAT_META_BG)
-#define EXT3_FEATURE_RO_COMPAT_SUPP    (EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER| \
-                                        EXT3_FEATURE_RO_COMPAT_LARGE_FILE| \
-                                        EXT3_FEATURE_RO_COMPAT_BTREE_DIR)
-
-/*
- * Default values for user and/or group using reserved blocks
- */
-#define        EXT3_DEF_RESUID         0
-#define        EXT3_DEF_RESGID         0
-
-/*
- * Default mount options
- */
-#define EXT3_DEFM_DEBUG                0x0001
-#define EXT3_DEFM_BSDGROUPS    0x0002
-#define EXT3_DEFM_XATTR_USER   0x0004
-#define EXT3_DEFM_ACL          0x0008
-#define EXT3_DEFM_UID16                0x0010
-#define EXT3_DEFM_JMODE                0x0060
-#define EXT3_DEFM_JMODE_DATA   0x0020
-#define EXT3_DEFM_JMODE_ORDERED        0x0040
-#define EXT3_DEFM_JMODE_WBACK  0x0060
-
-/*
- * Structure of a directory entry
- */
-#define EXT3_NAME_LEN 255
-
-struct ext3_dir_entry {
-       __le32  inode;                  /* Inode number */
-       __le16  rec_len;                /* Directory entry length */
-       __le16  name_len;               /* Name length */
-       char    name[EXT3_NAME_LEN];    /* File name */
-};
-
-/*
- * The new version of the directory entry.  Since EXT3 structures are
- * stored in intel byte order, and the name_len field could never be
- * bigger than 255 chars, it's safe to reclaim the extra byte for the
- * file_type field.
- */
-struct ext3_dir_entry_2 {
-       __le32  inode;                  /* Inode number */
-       __le16  rec_len;                /* Directory entry length */
-       __u8    name_len;               /* Name length */
-       __u8    file_type;
-       char    name[EXT3_NAME_LEN];    /* File name */
-};
-
-/*
- * Ext3 directory file types.  Only the low 3 bits are used.  The
- * other bits are reserved for now.
- */
-#define EXT3_FT_UNKNOWN                0
-#define EXT3_FT_REG_FILE       1
-#define EXT3_FT_DIR            2
-#define EXT3_FT_CHRDEV         3
-#define EXT3_FT_BLKDEV         4
-#define EXT3_FT_FIFO           5
-#define EXT3_FT_SOCK           6
-#define EXT3_FT_SYMLINK                7
-
-#define EXT3_FT_MAX            8
-
-/*
- * EXT3_DIR_PAD defines the directory entries boundaries
- *
- * NOTE: It must be a multiple of 4
- */
-#define EXT3_DIR_PAD                   4
-#define EXT3_DIR_ROUND                 (EXT3_DIR_PAD - 1)
-#define EXT3_DIR_REC_LEN(name_len)     (((name_len) + 8 + EXT3_DIR_ROUND) & \
-                                        ~EXT3_DIR_ROUND)
-/*
- * 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) && \
-                     (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: */
-
-#define DX_HASH_LEGACY         0
-#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
-{
-       u32             hash;
-       u32             minor_hash;
-       int             hash_version;
-       u32             *seed;
-};
-
-#define EXT3_HTREE_EOF 0x7fffffff
-
-/*
- * Control parameters used by ext3_htree_next_block
- */
-#define HASH_NB_ALWAYS         1
-
-
-/*
- * Describe an inode's exact location on disk and in memory
- */
-struct ext3_iloc
-{
-       struct buffer_head *bh;
-       unsigned long offset;
-       unsigned long block_group;
-};
-
-static inline struct ext3_inode *ext3_raw_inode(struct ext3_iloc *iloc)
-{
-       return (struct ext3_inode *) (iloc->bh->b_data + iloc->offset);
-}
-
-/*
- * This structure is stuffed into the struct file's private_data field
- * for directories.  It is where we put information so that we can do
- * readdir operations in hash tree order.
- */
-struct dir_private_info {
-       struct rb_root  root;
-       struct rb_node  *curr_node;
-       struct fname    *extra_fname;
-       loff_t          last_pos;
-       __u32           curr_hash;
-       __u32           curr_minor_hash;
-       __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.
- */
-#define ERR_BAD_DX_DIR -75000
-
-/*
- * Function prototypes
- */
-
-/*
- * Ok, these declarations are also in <linux/kernel.h> but none of the
- * ext3 source programs needs to include it so they are duplicated here.
- */
-# define NORET_TYPE    /**/
-# define ATTRIB_NORET  __attribute__((noreturn))
-# define NORET_AND     noreturn,
-
-/* 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 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,
-                                                   struct buffer_head ** bh);
-extern int ext3_should_retry_alloc(struct super_block *sb, int *retries);
-extern void ext3_init_block_alloc_info(struct inode *);
-extern void ext3_rsv_window_add(struct super_block *sb, struct ext3_reserve_window_node *rsv);
-
-/* dir.c */
-extern int ext3_check_dir_entry(const char *, struct inode *,
-                               struct ext3_dir_entry_2 *,
-                               struct buffer_head *, unsigned long);
-extern int ext3_htree_store_dirent(struct file *dir_file, __u32 hash,
-                                   __u32 minor_hash,
-                                   struct ext3_dir_entry_2 *dirent);
-extern void ext3_htree_free_dir_info(struct dir_private_info *p);
-
-/* fsync.c */
-extern int ext3_sync_file (struct file *, struct dentry *, int);
-
-/* hash.c */
-extern int ext3fs_dirhash(const char *name, int len, struct
-                         dx_hash_info *hinfo);
-
-/* ialloc.c */
-extern struct inode * ext3_new_inode (handle_t *, struct inode *, int);
-extern void ext3_free_inode (handle_t *, struct inode *);
-extern struct inode * ext3_orphan_get (struct super_block *, unsigned long);
-extern unsigned long ext3_count_free_inodes (struct super_block *);
-extern unsigned long ext3_count_dirs (struct super_block *);
-extern void ext3_check_inodes_bitmap (struct super_block *);
-extern unsigned long ext3_count_free (struct buffer_head *, unsigned);
-
-
-/* inode.c */
-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,
-       sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result,
-       int create, int extend_disksize);
-
-extern void ext3_read_inode (struct inode *);
-extern int  ext3_write_inode (struct inode *, int);
-extern int  ext3_setattr (struct dentry *, struct iattr *);
-extern void ext3_delete_inode (struct inode *);
-extern int  ext3_sync_inode (handle_t *, struct inode *);
-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 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);
-
-/* 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 *);
-extern int ext3_orphan_del(handle_t *, struct inode *);
-extern int ext3_htree_fill_tree(struct file *dir_file, __u32 start_hash,
-                               __u32 start_minor_hash, __u32 *next_hash);
-
-/* resize.c */
-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,
-                               ext3_fsblk_t n_blocks_count);
-
-/* super.c */
-extern void ext3_error (struct super_block *, const char *, const char *, ...)
-       __attribute__ ((format (printf, 3, 4)));
-extern void __ext3_std_error (struct super_block *, const char *, int);
-extern void ext3_abort (struct super_block *, const char *, const char *, ...)
-       __attribute__ ((format (printf, 3, 4)));
-extern void ext3_warning (struct super_block *, const char *, const char *, ...)
-       __attribute__ ((format (printf, 3, 4)));
-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));  \
-} while (0)
-
-/*
- * Inodes and files operations
- */
-
-/* dir.c */
-extern const struct file_operations ext3_dir_operations;
-
-/* file.c */
-extern const struct inode_operations ext3_file_inode_operations;
-extern const struct file_operations ext3_file_operations;
-
-/* namei.c */
-extern const struct inode_operations ext3_dir_inode_operations;
-extern const struct inode_operations ext3_special_inode_operations;
-
-/* symlink.c */
-extern const struct inode_operations ext3_symlink_inode_operations;
-extern const struct inode_operations ext3_fast_symlink_inode_operations;
-
-
-#endif /* __KERNEL__ */
-
-#endif /* _LINUX_EXT3_FS_H */