[PATCH] ext4: rename ext4 symbols to avoid duplication of ext3 symbols
Mingming Cao originally did this work, and Shaggy reproduced it using some
scripts from her.
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h
index 11cca1b..f582cd7 100644
--- a/include/linux/ext4_fs.h
+++ b/include/linux/ext4_fs.h
@@ -1,5 +1,5 @@
/*
- * linux/include/linux/ext3_fs.h
+ * linux/include/linux/ext4_fs.h
*
* Copyright (C) 1992, 1993, 1994, 1995
* Remy Card (card@masi.ibp.fr)
@@ -13,8 +13,8 @@
* Copyright (C) 1991, 1992 Linus Torvalds
*/
-#ifndef _LINUX_EXT3_FS_H
-#define _LINUX_EXT3_FS_H
+#ifndef _LINUX_EXT4_FS_H
+#define _LINUX_EXT4_FS_H
#include <linux/types.h>
#include <linux/magic.h>
@@ -24,102 +24,102 @@
*/
/*
- * Define EXT3FS_DEBUG to produce debug messages
+ * Define EXT4FS_DEBUG to produce debug messages
*/
-#undef EXT3FS_DEBUG
+#undef EXT4FS_DEBUG
/*
- * Define EXT3_RESERVATION to reserve data blocks for expanding files
+ * Define EXT4_RESERVATION to reserve data blocks for expanding files
*/
-#define EXT3_DEFAULT_RESERVE_BLOCKS 8
+#define EXT4_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
+#define EXT4_MAX_RESERVE_BLOCKS 1027
+#define EXT4_RESERVE_WINDOW_NOT_ALLOCATED 0
/*
* Always enable hashed directories
*/
-#define CONFIG_EXT3_INDEX
+#define CONFIG_EXT4_INDEX
/*
* Debug code
*/
-#ifdef EXT3FS_DEBUG
-#define ext3_debug(f, a...) \
+#ifdef EXT4FS_DEBUG
+#define ext4_debug(f, a...) \
do { \
- printk (KERN_DEBUG "EXT3-fs DEBUG (%s, %d): %s:", \
+ printk (KERN_DEBUG "EXT4-fs DEBUG (%s, %d): %s:", \
__FILE__, __LINE__, __FUNCTION__); \
printk (KERN_DEBUG f, ## a); \
} while (0)
#else
-#define ext3_debug(f, a...) do {} while (0)
+#define ext4_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 */
+#define EXT4_BAD_INO 1 /* Bad blocks inode */
+#define EXT4_ROOT_INO 2 /* Root inode */
+#define EXT4_BOOT_LOADER_INO 5 /* Boot loader inode */
+#define EXT4_UNDEL_DIR_INO 6 /* Undelete directory inode */
+#define EXT4_RESIZE_INO 7 /* Reserved group descriptors inode */
+#define EXT4_JOURNAL_INO 8 /* Journal inode */
-/* First non-reserved inode for old ext3 filesystems */
-#define EXT3_GOOD_OLD_FIRST_INO 11
+/* First non-reserved inode for old ext4 filesystems */
+#define EXT4_GOOD_OLD_FIRST_INO 11
/*
* Maximal count of links to a file
*/
-#define EXT3_LINK_MAX 32000
+#define EXT4_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
+#define EXT4_MIN_BLOCK_SIZE 1024
+#define EXT4_MAX_BLOCK_SIZE 4096
+#define EXT4_MIN_BLOCK_LOG_SIZE 10
#ifdef __KERNEL__
-# define EXT3_BLOCK_SIZE(s) ((s)->s_blocksize)
+# define EXT4_BLOCK_SIZE(s) ((s)->s_blocksize)
#else
-# define EXT3_BLOCK_SIZE(s) (EXT3_MIN_BLOCK_SIZE << (s)->s_log_block_size)
+# define EXT4_BLOCK_SIZE(s) (EXT4_MIN_BLOCK_SIZE << (s)->s_log_block_size)
#endif
-#define EXT3_ADDR_PER_BLOCK(s) (EXT3_BLOCK_SIZE(s) / sizeof (__u32))
+#define EXT4_ADDR_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / sizeof (__u32))
#ifdef __KERNEL__
-# define EXT3_BLOCK_SIZE_BITS(s) ((s)->s_blocksize_bits)
+# define EXT4_BLOCK_SIZE_BITS(s) ((s)->s_blocksize_bits)
#else
-# define EXT3_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10)
+# define EXT4_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)
+#define EXT4_ADDR_PER_BLOCK_BITS(s) (EXT4_SB(s)->s_addr_per_block_bits)
+#define EXT4_INODE_SIZE(s) (EXT4_SB(s)->s_inode_size)
+#define EXT4_FIRST_INO(s) (EXT4_SB(s)->s_first_ino)
#else
-#define EXT3_INODE_SIZE(s) (((s)->s_rev_level == EXT3_GOOD_OLD_REV) ? \
- EXT3_GOOD_OLD_INODE_SIZE : \
+#define EXT4_INODE_SIZE(s) (((s)->s_rev_level == EXT4_GOOD_OLD_REV) ? \
+ EXT4_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 : \
+#define EXT4_FIRST_INO(s) (((s)->s_rev_level == EXT4_GOOD_OLD_REV) ? \
+ EXT4_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
+#define EXT4_MIN_FRAG_SIZE 1024
+#define EXT4_MAX_FRAG_SIZE 4096
+#define EXT4_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)
+# define EXT4_FRAG_SIZE(s) (EXT4_SB(s)->s_frag_size)
+# define EXT4_FRAGS_PER_BLOCK(s) (EXT4_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))
+# define EXT4_FRAG_SIZE(s) (EXT4_MIN_FRAG_SIZE << (s)->s_log_frag_size)
+# define EXT4_FRAGS_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / EXT4_FRAG_SIZE(s))
#endif
/*
* Structure of a blocks group descriptor
*/
-struct ext3_group_desc
+struct ext4_group_desc
{
__le32 bg_block_bitmap; /* Blocks bitmap block */
__le32 bg_inode_bitmap; /* Inodes bitmap block */
@@ -135,62 +135,62 @@
* 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)
+# define EXT4_BLOCKS_PER_GROUP(s) (EXT4_SB(s)->s_blocks_per_group)
+# define EXT4_DESC_PER_BLOCK(s) (EXT4_SB(s)->s_desc_per_block)
+# define EXT4_INODES_PER_GROUP(s) (EXT4_SB(s)->s_inodes_per_group)
+# define EXT4_DESC_PER_BLOCK_BITS(s) (EXT4_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)
+# define EXT4_BLOCKS_PER_GROUP(s) ((s)->s_blocks_per_group)
+# define EXT4_DESC_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / sizeof (struct ext4_group_desc))
+# define EXT4_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)
+#define EXT4_NDIR_BLOCKS 12
+#define EXT4_IND_BLOCK EXT4_NDIR_BLOCKS
+#define EXT4_DIND_BLOCK (EXT4_IND_BLOCK + 1)
+#define EXT4_TIND_BLOCK (EXT4_DIND_BLOCK + 1)
+#define EXT4_N_BLOCKS (EXT4_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 */
+#define EXT4_SECRM_FL 0x00000001 /* Secure deletion */
+#define EXT4_UNRM_FL 0x00000002 /* Undelete */
+#define EXT4_COMPR_FL 0x00000004 /* Compress file */
+#define EXT4_SYNC_FL 0x00000008 /* Synchronous updates */
+#define EXT4_IMMUTABLE_FL 0x00000010 /* Immutable file */
+#define EXT4_APPEND_FL 0x00000020 /* writes to file may only append */
+#define EXT4_NODUMP_FL 0x00000040 /* do not dump file */
+#define EXT4_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 */
+#define EXT4_DIRTY_FL 0x00000100
+#define EXT4_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */
+#define EXT4_NOCOMPR_FL 0x00000400 /* Don't compress */
+#define EXT4_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 EXT4_INDEX_FL 0x00001000 /* hash-indexed directory */
+#define EXT4_IMAGIC_FL 0x00002000 /* AFS directory */
+#define EXT4_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */
+#define EXT4_NOTAIL_FL 0x00008000 /* file tail should not be merged */
+#define EXT4_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
+#define EXT4_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
+#define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
-#define EXT3_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
-#define EXT3_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
+#define EXT4_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+#define EXT4_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 */
+#define EXT4_STATE_JDATA 0x00000001 /* journaled data exists */
+#define EXT4_STATE_NEW 0x00000002 /* inode is newly created */
+#define EXT4_STATE_XATTR 0x00000004 /* has in-inode xattrs */
/* Used to pass group descriptor data when online resize is done */
-struct ext3_new_group_input {
+struct ext4_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 */
@@ -200,8 +200,8 @@
__u16 unused;
};
-/* The struct ext3_new_group_input in kernel space, with free_blocks_count */
-struct ext3_new_group_data {
+/* The struct ext4_new_group_input in kernel space, with free_blocks_count */
+struct ext4_new_group_data {
__u32 group;
__u32 block_bitmap;
__u32 inode_bitmap;
@@ -216,41 +216,41 @@
/*
* 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
+#define EXT4_IOC_GETFLAGS FS_IOC_GETFLAGS
+#define EXT4_IOC_SETFLAGS FS_IOC_SETFLAGS
+#define EXT4_IOC_GETVERSION _IOR('f', 3, long)
+#define EXT4_IOC_SETVERSION _IOW('f', 4, long)
+#define EXT4_IOC_GROUP_EXTEND _IOW('f', 7, unsigned long)
+#define EXT4_IOC_GROUP_ADD _IOW('f', 8,struct ext4_new_group_input)
+#define EXT4_IOC_GETVERSION_OLD FS_IOC_GETVERSION
+#define EXT4_IOC_SETVERSION_OLD FS_IOC_SETVERSION
#ifdef CONFIG_JBD_DEBUG
-#define EXT3_IOC_WAIT_FOR_READONLY _IOR('f', 99, long)
+#define EXT4_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)
+#define EXT4_IOC_GETRSVSZ _IOR('f', 5, long)
+#define EXT4_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)
+#define EXT4_IOC32_GETFLAGS FS_IOC32_GETFLAGS
+#define EXT4_IOC32_SETFLAGS FS_IOC32_SETFLAGS
+#define EXT4_IOC32_GETVERSION _IOR('f', 3, int)
+#define EXT4_IOC32_SETVERSION _IOW('f', 4, int)
+#define EXT4_IOC32_GETRSVSZ _IOR('f', 5, int)
+#define EXT4_IOC32_SETRSVSZ _IOW('f', 6, int)
+#define EXT4_IOC32_GROUP_EXTEND _IOW('f', 7, unsigned int)
#ifdef CONFIG_JBD_DEBUG
-#define EXT3_IOC32_WAIT_FOR_READONLY _IOR('f', 99, int)
+#define EXT4_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
+#define EXT4_IOC32_GETVERSION_OLD FS_IOC32_GETVERSION
+#define EXT4_IOC32_SETVERSION_OLD FS_IOC32_SETVERSION
/*
* Mount options
*/
-struct ext3_mount_options {
+struct ext4_mount_options {
unsigned long s_mount_opt;
uid_t s_resuid;
gid_t s_resgid;
@@ -264,7 +264,7 @@
/*
* Structure of an inode on the disk
*/
-struct ext3_inode {
+struct ext4_inode {
__le16 i_mode; /* File mode */
__le16 i_uid; /* Low 16 bits of Owner Uid */
__le32 i_size; /* Size in bytes */
@@ -287,7 +287,7 @@
__u32 m_i_reserved1;
} masix1;
} osd1; /* OS dependent 1 */
- __le32 i_block[EXT3_N_BLOCKS];/* Pointers to blocks */
+ __le32 i_block[EXT4_N_BLOCKS];/* Pointers to blocks */
__le32 i_generation; /* File version (for NFS) */
__le32 i_file_acl; /* File ACL */
__le32 i_dir_acl; /* Directory ACL */
@@ -353,76 +353,76 @@
/*
* 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 */
+#define EXT4_VALID_FS 0x0001 /* Unmounted cleanly */
+#define EXT4_ERROR_FS 0x0002 /* Errors detected */
+#define EXT4_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 */
+#define EXT4_MOUNT_CHECK 0x00001 /* Do mount-time checks */
+#define EXT4_MOUNT_OLDALLOC 0x00002 /* Don't use the new Orlov allocator */
+#define EXT4_MOUNT_GRPID 0x00004 /* Create files with directory's group */
+#define EXT4_MOUNT_DEBUG 0x00008 /* Some debugging messages */
+#define EXT4_MOUNT_ERRORS_CONT 0x00010 /* Continue on errors */
+#define EXT4_MOUNT_ERRORS_RO 0x00020 /* Remount fs ro on errors */
+#define EXT4_MOUNT_ERRORS_PANIC 0x00040 /* Panic on errors */
+#define EXT4_MOUNT_MINIX_DF 0x00080 /* Mimics the Minix statfs */
+#define EXT4_MOUNT_NOLOAD 0x00100 /* Don't use existing journal*/
+#define EXT4_MOUNT_ABORT 0x00200 /* Fatal error detected */
+#define EXT4_MOUNT_DATA_FLAGS 0x00C00 /* Mode for data writes: */
+#define EXT4_MOUNT_JOURNAL_DATA 0x00400 /* Write data to journal */
+#define EXT4_MOUNT_ORDERED_DATA 0x00800 /* Flush data before commit */
+#define EXT4_MOUNT_WRITEBACK_DATA 0x00C00 /* No data ordering */
+#define EXT4_MOUNT_UPDATE_JOURNAL 0x01000 /* Update the journal format */
+#define EXT4_MOUNT_NO_UID32 0x02000 /* Disable 32-bit UIDs */
+#define EXT4_MOUNT_XATTR_USER 0x04000 /* Extended user attributes */
+#define EXT4_MOUNT_POSIX_ACL 0x08000 /* POSIX Access Control Lists */
+#define EXT4_MOUNT_RESERVATION 0x10000 /* Preallocation */
+#define EXT4_MOUNT_BARRIER 0x20000 /* Use block barriers */
+#define EXT4_MOUNT_NOBH 0x40000 /* No bufferheads */
+#define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */
+#define EXT4_MOUNT_USRQUOTA 0x100000 /* "old" user quota */
+#define EXT4_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
-/* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
+/* Compatibility, for having both ext2_fs.h and ext4_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)
+#define clear_opt(o, opt) o &= ~EXT4_MOUNT_##opt
+#define set_opt(o, opt) o |= EXT4_MOUNT_##opt
+#define test_opt(sb, opt) (EXT4_SB(sb)->s_mount_opt & \
+ EXT4_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
+#define EXT2_MOUNT_NOLOAD EXT4_MOUNT_NOLOAD
+#define EXT2_MOUNT_ABORT EXT4_MOUNT_ABORT
+#define EXT2_MOUNT_DATA_FLAGS EXT4_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
+#define ext4_set_bit ext2_set_bit
+#define ext4_set_bit_atomic ext2_set_bit_atomic
+#define ext4_clear_bit ext2_clear_bit
+#define ext4_clear_bit_atomic ext2_clear_bit_atomic
+#define ext4_test_bit ext2_test_bit
+#define ext4_find_first_zero_bit ext2_find_first_zero_bit
+#define ext4_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 */
+#define EXT4_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */
+#define EXT4_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
+#define EXT4_ERRORS_CONTINUE 1 /* Continue execution */
+#define EXT4_ERRORS_RO 2 /* Remount fs read-only */
+#define EXT4_ERRORS_PANIC 3 /* Panic */
+#define EXT4_ERRORS_DEFAULT EXT4_ERRORS_CONTINUE
/*
* Structure of the super block
*/
-struct ext3_super_block {
+struct ext4_super_block {
/*00*/ __le32 s_inodes_count; /* Inodes count */
__le32 s_blocks_count; /* Blocks count */
__le32 s_r_blocks_count; /* Reserved blocks count */
@@ -449,7 +449,7 @@
/*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.
+ * These fields are for EXT4_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
@@ -473,13 +473,13 @@
/*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.
+ * happen if the EXT4_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.
+ * Journaling support valid if EXT4_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 */
@@ -495,186 +495,186 @@
};
#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)
+#include <linux/ext4_fs_i.h>
+#include <linux/ext4_fs_sb.h>
+static inline struct ext4_sb_info * EXT4_SB(struct super_block *sb)
{
return sb->s_fs_info;
}
-static inline struct ext3_inode_info *EXT3_I(struct inode *inode)
+static inline struct ext4_inode_info *EXT4_I(struct inode *inode)
{
- return container_of(inode, struct ext3_inode_info, vfs_inode);
+ return container_of(inode, struct ext4_inode_info, vfs_inode);
}
-static inline int ext3_valid_inum(struct super_block *sb, unsigned long ino)
+static inline int ext4_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));
+ return ino == EXT4_ROOT_INO ||
+ ino == EXT4_JOURNAL_INO ||
+ ino == EXT4_RESIZE_INO ||
+ (ino >= EXT4_FIRST_INO(sb) &&
+ ino <= le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count));
}
#else
-/* Assume that user mode programs are passing in an ext3fs superblock, not
+/* Assume that user mode programs are passing in an ext4fs 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)
+#define EXT4_SB(sb) (sb)
#endif
-#define NEXT_ORPHAN(inode) EXT3_I(inode)->i_dtime
+#define NEXT_ORPHAN(inode) EXT4_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
+#define EXT4_OS_LINUX 0
+#define EXT4_OS_HURD 1
+#define EXT4_OS_MASIX 2
+#define EXT4_OS_FREEBSD 3
+#define EXT4_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 EXT4_GOOD_OLD_REV 0 /* The good old (original) format */
+#define EXT4_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 EXT4_CURRENT_REV EXT4_GOOD_OLD_REV
+#define EXT4_MAX_SUPP_REV EXT4_DYNAMIC_REV
-#define EXT3_GOOD_OLD_INODE_SIZE 128
+#define EXT4_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 EXT4_HAS_COMPAT_FEATURE(sb,mask) \
+ ( EXT4_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask) )
+#define EXT4_HAS_RO_COMPAT_FEATURE(sb,mask) \
+ ( EXT4_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask) )
+#define EXT4_HAS_INCOMPAT_FEATURE(sb,mask) \
+ ( EXT4_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask) )
+#define EXT4_SET_COMPAT_FEATURE(sb,mask) \
+ EXT4_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask)
+#define EXT4_SET_RO_COMPAT_FEATURE(sb,mask) \
+ EXT4_SB(sb)->s_es->s_feature_ro_compat |= cpu_to_le32(mask)
+#define EXT4_SET_INCOMPAT_FEATURE(sb,mask) \
+ EXT4_SB(sb)->s_es->s_feature_incompat |= cpu_to_le32(mask)
+#define EXT4_CLEAR_COMPAT_FEATURE(sb,mask) \
+ EXT4_SB(sb)->s_es->s_feature_compat &= ~cpu_to_le32(mask)
+#define EXT4_CLEAR_RO_COMPAT_FEATURE(sb,mask) \
+ EXT4_SB(sb)->s_es->s_feature_ro_compat &= ~cpu_to_le32(mask)
+#define EXT4_CLEAR_INCOMPAT_FEATURE(sb,mask) \
+ EXT4_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 EXT4_FEATURE_COMPAT_DIR_PREALLOC 0x0001
+#define EXT4_FEATURE_COMPAT_IMAGIC_INODES 0x0002
+#define EXT4_FEATURE_COMPAT_HAS_JOURNAL 0x0004
+#define EXT4_FEATURE_COMPAT_EXT_ATTR 0x0008
+#define EXT4_FEATURE_COMPAT_RESIZE_INODE 0x0010
+#define EXT4_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 EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001
+#define EXT4_FEATURE_RO_COMPAT_LARGE_FILE 0x0002
+#define EXT4_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 EXT4_FEATURE_INCOMPAT_COMPRESSION 0x0001
+#define EXT4_FEATURE_INCOMPAT_FILETYPE 0x0002
+#define EXT4_FEATURE_INCOMPAT_RECOVER 0x0004 /* Needs recovery */
+#define EXT4_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */
+#define EXT4_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)
+#define EXT4_FEATURE_COMPAT_SUPP EXT2_FEATURE_COMPAT_EXT_ATTR
+#define EXT4_FEATURE_INCOMPAT_SUPP (EXT4_FEATURE_INCOMPAT_FILETYPE| \
+ EXT4_FEATURE_INCOMPAT_RECOVER| \
+ EXT4_FEATURE_INCOMPAT_META_BG)
+#define EXT4_FEATURE_RO_COMPAT_SUPP (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
+ EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
+ EXT4_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
+#define EXT4_DEF_RESUID 0
+#define EXT4_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
+#define EXT4_DEFM_DEBUG 0x0001
+#define EXT4_DEFM_BSDGROUPS 0x0002
+#define EXT4_DEFM_XATTR_USER 0x0004
+#define EXT4_DEFM_ACL 0x0008
+#define EXT4_DEFM_UID16 0x0010
+#define EXT4_DEFM_JMODE 0x0060
+#define EXT4_DEFM_JMODE_DATA 0x0020
+#define EXT4_DEFM_JMODE_ORDERED 0x0040
+#define EXT4_DEFM_JMODE_WBACK 0x0060
/*
* Structure of a directory entry
*/
-#define EXT3_NAME_LEN 255
+#define EXT4_NAME_LEN 255
-struct ext3_dir_entry {
+struct ext4_dir_entry {
__le32 inode; /* Inode number */
__le16 rec_len; /* Directory entry length */
__le16 name_len; /* Name length */
- char name[EXT3_NAME_LEN]; /* File name */
+ char name[EXT4_NAME_LEN]; /* File name */
};
/*
- * The new version of the directory entry. Since EXT3 structures are
+ * The new version of the directory entry. Since EXT4 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 {
+struct ext4_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 */
+ char name[EXT4_NAME_LEN]; /* File name */
};
/*
- * Ext3 directory file types. Only the low 3 bits are used. The
+ * Ext4 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 EXT4_FT_UNKNOWN 0
+#define EXT4_FT_REG_FILE 1
+#define EXT4_FT_DIR 2
+#define EXT4_FT_CHRDEV 3
+#define EXT4_FT_BLKDEV 4
+#define EXT4_FT_FIFO 5
+#define EXT4_FT_SOCK 6
+#define EXT4_FT_SYMLINK 7
-#define EXT3_FT_MAX 8
+#define EXT4_FT_MAX 8
/*
- * EXT3_DIR_PAD defines the directory entries boundaries
+ * EXT4_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)
+#define EXT4_DIR_PAD 4
+#define EXT4_DIR_ROUND (EXT4_DIR_PAD - 1)
+#define EXT4_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT4_DIR_ROUND) & \
+ ~EXT4_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)
+#ifdef CONFIG_EXT4_INDEX
+ #define is_dx(dir) (EXT4_HAS_COMPAT_FEATURE(dir->i_sb, \
+ EXT4_FEATURE_COMPAT_DIR_INDEX) && \
+ (EXT4_I(dir)->i_flags & EXT4_INDEX_FL))
+#define EXT4_DIR_LINK_MAX(dir) (!is_dx(dir) && (dir)->i_nlink >= EXT4_LINK_MAX)
+#define EXT4_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)
+#define EXT4_DIR_LINK_MAX(dir) ((dir)->i_nlink >= EXT4_LINK_MAX)
+#define EXT4_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2)
#endif
/* Legal values for the dx_root hash_version field: */
@@ -694,10 +694,10 @@
u32 *seed;
};
-#define EXT3_HTREE_EOF 0x7fffffff
+#define EXT4_HTREE_EOF 0x7fffffff
/*
- * Control parameters used by ext3_htree_next_block
+ * Control parameters used by ext4_htree_next_block
*/
#define HASH_NB_ALWAYS 1
@@ -705,16 +705,16 @@
/*
* Describe an inode's exact location on disk and in memory
*/
-struct ext3_iloc
+struct ext4_iloc
{
struct buffer_head *bh;
unsigned long offset;
unsigned long block_group;
};
-static inline struct ext3_inode *ext3_raw_inode(struct ext3_iloc *iloc)
+static inline struct ext4_inode *ext4_raw_inode(struct ext4_iloc *iloc)
{
- return (struct ext3_inode *) (iloc->bh->b_data + iloc->offset);
+ return (struct ext4_inode *) (iloc->bh->b_data + iloc->offset);
}
/*
@@ -733,11 +733,11 @@
};
/* 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)
+static inline ext4_fsblk_t
+ext4_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);
+ return group_no * (ext4_fsblk_t)EXT4_BLOCKS_PER_GROUP(sb) +
+ le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);
}
/*
@@ -751,113 +751,113 @@
/*
* 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.
+ * ext4 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,
+extern int ext4_bg_has_super(struct super_block *sb, int group);
+extern unsigned long ext4_bg_num_gdb(struct super_block *sb, int group);
+extern ext4_fsblk_t ext4_new_block (handle_t *handle, struct inode *inode,
+ ext4_fsblk_t goal, int *errp);
+extern ext4_fsblk_t ext4_new_blocks (handle_t *handle, struct inode *inode,
+ ext4_fsblk_t goal, unsigned long *count, int *errp);
+extern void ext4_free_blocks (handle_t *handle, struct inode *inode,
+ ext4_fsblk_t block, unsigned long count);
+extern void ext4_free_blocks_sb (handle_t *handle, struct super_block *sb,
+ ext4_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,
+extern ext4_fsblk_t ext4_count_free_blocks (struct super_block *);
+extern void ext4_check_blocks_bitmap (struct super_block *);
+extern struct ext4_group_desc * ext4_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);
+extern int ext4_should_retry_alloc(struct super_block *sb, int *retries);
+extern void ext4_init_block_alloc_info(struct inode *);
+extern void ext4_rsv_window_add(struct super_block *sb, struct ext4_reserve_window_node *rsv);
/* dir.c */
-extern int ext3_check_dir_entry(const char *, struct inode *,
- struct ext3_dir_entry_2 *,
+extern int ext4_check_dir_entry(const char *, struct inode *,
+ struct ext4_dir_entry_2 *,
struct buffer_head *, unsigned long);
-extern int ext3_htree_store_dirent(struct file *dir_file, __u32 hash,
+extern int ext4_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);
+ struct ext4_dir_entry_2 *dirent);
+extern void ext4_htree_free_dir_info(struct dir_private_info *p);
/* fsync.c */
-extern int ext3_sync_file (struct file *, struct dentry *, int);
+extern int ext4_sync_file (struct file *, struct dentry *, int);
/* hash.c */
-extern int ext3fs_dirhash(const char *name, int len, struct
+extern int ext4fs_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);
+extern struct inode * ext4_new_inode (handle_t *, struct inode *, int);
+extern void ext4_free_inode (handle_t *, struct inode *);
+extern struct inode * ext4_orphan_get (struct super_block *, unsigned long);
+extern unsigned long ext4_count_free_inodes (struct super_block *);
+extern unsigned long ext4_count_dirs (struct super_block *);
+extern void ext4_check_inodes_bitmap (struct super_block *);
+extern unsigned long ext4_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,
+int ext4_forget(handle_t *handle, int is_metadata, struct inode *inode,
+ struct buffer_head *bh, ext4_fsblk_t blocknr);
+struct buffer_head * ext4_getblk (handle_t *, struct inode *, long, int, int *);
+struct buffer_head * ext4_bread (handle_t *, struct inode *, int, int, int *);
+int ext4_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_set_aops(struct inode *inode);
+extern void ext4_read_inode (struct inode *);
+extern int ext4_write_inode (struct inode *, int);
+extern int ext4_setattr (struct dentry *, struct iattr *);
+extern void ext4_delete_inode (struct inode *);
+extern int ext4_sync_inode (handle_t *, struct inode *);
+extern void ext4_discard_reservation (struct inode *);
+extern void ext4_dirty_inode(struct inode *);
+extern int ext4_change_inode_journal_flag(struct inode *, int);
+extern int ext4_get_inode_loc(struct inode *, struct ext4_iloc *);
+extern void ext4_truncate (struct inode *);
+extern void ext4_set_inode_flags(struct inode *);
+extern void ext4_set_aops(struct inode *inode);
/* ioctl.c */
-extern int ext3_ioctl (struct inode *, struct file *, unsigned int,
+extern int ext4_ioctl (struct inode *, struct file *, unsigned int,
unsigned long);
-extern long ext3_compat_ioctl (struct file *, unsigned int, unsigned long);
+extern long ext4_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,
+extern int ext4_orphan_add(handle_t *, struct inode *);
+extern int ext4_orphan_del(handle_t *, struct inode *);
+extern int ext4_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);
+extern int ext4_group_add(struct super_block *sb,
+ struct ext4_new_group_data *input);
+extern int ext4_group_extend(struct super_block *sb,
+ struct ext4_super_block *es,
+ ext4_fsblk_t n_blocks_count);
/* super.c */
-extern void ext3_error (struct super_block *, const char *, const char *, ...)
+extern void ext4_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 *, ...)
+extern void __ext4_std_error (struct super_block *, const char *, int);
+extern void ext4_abort (struct super_block *, const char *, const char *, ...)
__attribute__ ((format (printf, 3, 4)));
-extern void ext3_warning (struct super_block *, const char *, const char *, ...)
+extern void ext4_warning (struct super_block *, const char *, const char *, ...)
__attribute__ ((format (printf, 3, 4)));
-extern void ext3_update_dynamic_rev (struct super_block *sb);
+extern void ext4_update_dynamic_rev (struct super_block *sb);
-#define ext3_std_error(sb, errno) \
+#define ext4_std_error(sb, errno) \
do { \
if ((errno)) \
- __ext3_std_error((sb), __FUNCTION__, (errno)); \
+ __ext4_std_error((sb), __FUNCTION__, (errno)); \
} while (0)
/*
@@ -865,21 +865,21 @@
*/
/* dir.c */
-extern const struct file_operations ext3_dir_operations;
+extern const struct file_operations ext4_dir_operations;
/* file.c */
-extern struct inode_operations ext3_file_inode_operations;
-extern const struct file_operations ext3_file_operations;
+extern struct inode_operations ext4_file_inode_operations;
+extern const struct file_operations ext4_file_operations;
/* namei.c */
-extern struct inode_operations ext3_dir_inode_operations;
-extern struct inode_operations ext3_special_inode_operations;
+extern struct inode_operations ext4_dir_inode_operations;
+extern struct inode_operations ext4_special_inode_operations;
/* symlink.c */
-extern struct inode_operations ext3_symlink_inode_operations;
-extern struct inode_operations ext3_fast_symlink_inode_operations;
+extern struct inode_operations ext4_symlink_inode_operations;
+extern struct inode_operations ext4_fast_symlink_inode_operations;
#endif /* __KERNEL__ */
-#endif /* _LINUX_EXT3_FS_H */
+#endif /* _LINUX_EXT4_FS_H */
diff --git a/include/linux/ext4_fs_i.h b/include/linux/ext4_fs_i.h
index 4395e52..18a6ce9 100644
--- a/include/linux/ext4_fs_i.h
+++ b/include/linux/ext4_fs_i.h
@@ -1,5 +1,5 @@
/*
- * linux/include/linux/ext3_fs_i.h
+ * linux/include/linux/ext4_fs_i.h
*
* Copyright (C) 1992, 1993, 1994, 1995
* Remy Card (card@masi.ibp.fr)
@@ -13,8 +13,8 @@
* Copyright (C) 1991, 1992 Linus Torvalds
*/
-#ifndef _LINUX_EXT3_FS_I
-#define _LINUX_EXT3_FS_I
+#ifndef _LINUX_EXT4_FS_I
+#define _LINUX_EXT4_FS_I
#include <linux/rwsem.h>
#include <linux/rbtree.h>
@@ -22,43 +22,43 @@
#include <linux/mutex.h>
/* data type for block offset of block group */
-typedef int ext3_grpblk_t;
+typedef int ext4_grpblk_t;
/* data type for filesystem-wide blocks number */
-typedef unsigned long ext3_fsblk_t;
+typedef unsigned long ext4_fsblk_t;
#define E3FSBLK "%lu"
-struct ext3_reserve_window {
- ext3_fsblk_t _rsv_start; /* First byte reserved */
- ext3_fsblk_t _rsv_end; /* Last byte reserved or 0 */
+struct ext4_reserve_window {
+ ext4_fsblk_t _rsv_start; /* First byte reserved */
+ ext4_fsblk_t _rsv_end; /* Last byte reserved or 0 */
};
-struct ext3_reserve_window_node {
+struct ext4_reserve_window_node {
struct rb_node rsv_node;
__u32 rsv_goal_size;
__u32 rsv_alloc_hit;
- struct ext3_reserve_window rsv_window;
+ struct ext4_reserve_window rsv_window;
};
-struct ext3_block_alloc_info {
+struct ext4_block_alloc_info {
/* information about reservation window */
- struct ext3_reserve_window_node rsv_window_node;
+ struct ext4_reserve_window_node rsv_window_node;
/*
- * was i_next_alloc_block in ext3_inode_info
+ * was i_next_alloc_block in ext4_inode_info
* is the logical (file-relative) number of the
* most-recently-allocated block in this file.
* We use this for detecting linearly ascending allocation requests.
*/
__u32 last_alloc_logical_block;
/*
- * Was i_next_alloc_goal in ext3_inode_info
+ * Was i_next_alloc_goal in ext4_inode_info
* is the *physical* companion to i_next_alloc_block.
* it the the physical block number of the block which was most-recentl
* allocated to this file. This give us the goal (target) for the next
* allocation when we detect linearly ascending requests.
*/
- ext3_fsblk_t last_alloc_physical_block;
+ ext4_fsblk_t last_alloc_physical_block;
};
#define rsv_start rsv_window._rsv_start
@@ -67,15 +67,15 @@
/*
* third extended file system inode data in memory
*/
-struct ext3_inode_info {
+struct ext4_inode_info {
__le32 i_data[15]; /* unconverted */
__u32 i_flags;
-#ifdef EXT3_FRAGMENTS
+#ifdef EXT4_FRAGMENTS
__u32 i_faddr;
__u8 i_frag_no;
__u8 i_frag_size;
#endif
- ext3_fsblk_t i_file_acl;
+ ext4_fsblk_t i_file_acl;
__u32 i_dir_acl;
__u32 i_dtime;
@@ -87,13 +87,13 @@
* near to their parent directory's inode.
*/
__u32 i_block_group;
- __u32 i_state; /* Dynamic state flags for ext3 */
+ __u32 i_state; /* Dynamic state flags for ext4 */
/* block reservation info */
- struct ext3_block_alloc_info *i_block_alloc_info;
+ struct ext4_block_alloc_info *i_block_alloc_info;
__u32 i_dir_start_lookup;
-#ifdef CONFIG_EXT3_FS_XATTR
+#ifdef CONFIG_EXT4DEV_FS_XATTR
/*
* Extended attributes can be read independently of the main file
* data. Taking i_mutex even when reading would cause contention
@@ -103,7 +103,7 @@
*/
struct rw_semaphore xattr_sem;
#endif
-#ifdef CONFIG_EXT3_FS_POSIX_ACL
+#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
struct posix_acl *i_acl;
struct posix_acl *i_default_acl;
#endif
@@ -113,7 +113,7 @@
/*
* i_disksize keeps track of what the inode size is ON DISK, not
* in memory. During truncate, i_size is set to the new size by
- * the VFS prior to calling ext3_truncate(), but the filesystem won't
+ * the VFS prior to calling ext4_truncate(), but the filesystem won't
* set i_disksize to 0 until the truncate is actually under way.
*
* The intent is that i_disksize always represents the blocks which
@@ -123,7 +123,7 @@
*
* The only time when i_disksize and i_size may be different is when
* a truncate is in progress. The only things which change i_disksize
- * are ext3_get_block (growth) and ext3_truncate (shrinkth).
+ * are ext4_get_block (growth) and ext4_truncate (shrinkth).
*/
loff_t i_disksize;
@@ -131,10 +131,10 @@
__u16 i_extra_isize;
/*
- * truncate_mutex is for serialising ext3_truncate() against
- * ext3_getblock(). In the 2.4 ext2 design, great chunks of inode's
+ * truncate_mutex is for serialising ext4_truncate() against
+ * ext4_getblock(). In the 2.4 ext2 design, great chunks of inode's
* data tree are chopped off during truncate. We can't do that in
- * ext3 because whenever we perform intermediate commits during
+ * ext4 because whenever we perform intermediate commits during
* truncate, the inode and all the metadata blocks *must* be in a
* consistent state which allows truncation of the orphans to restart
* during recovery. Hence we must fix the get_block-vs-truncate race
@@ -144,4 +144,4 @@
struct inode vfs_inode;
};
-#endif /* _LINUX_EXT3_FS_I */
+#endif /* _LINUX_EXT4_FS_I */
diff --git a/include/linux/ext4_fs_sb.h b/include/linux/ext4_fs_sb.h
index f61309c..ce4856d 100644
--- a/include/linux/ext4_fs_sb.h
+++ b/include/linux/ext4_fs_sb.h
@@ -1,5 +1,5 @@
/*
- * linux/include/linux/ext3_fs_sb.h
+ * linux/include/linux/ext4_fs_sb.h
*
* Copyright (C) 1992, 1993, 1994, 1995
* Remy Card (card@masi.ibp.fr)
@@ -13,8 +13,8 @@
* Copyright (C) 1991, 1992 Linus Torvalds
*/
-#ifndef _LINUX_EXT3_FS_SB
-#define _LINUX_EXT3_FS_SB
+#ifndef _LINUX_EXT4_FS_SB
+#define _LINUX_EXT4_FS_SB
#ifdef __KERNEL__
#include <linux/timer.h>
@@ -27,7 +27,7 @@
/*
* third extended-fs super-block data in memory
*/
-struct ext3_sb_info {
+struct ext4_sb_info {
unsigned long s_frag_size; /* Size of a fragment in bytes */
unsigned long s_frags_per_block;/* Number of fragments per block */
unsigned long s_inodes_per_block;/* Number of inodes per block */
@@ -39,7 +39,7 @@
unsigned long s_desc_per_block; /* Number of group descriptors per block */
unsigned long s_groups_count; /* Number of groups in the fs */
struct buffer_head * s_sbh; /* Buffer containing the super block */
- struct ext3_super_block * s_es; /* Pointer to the super block in the buffer */
+ struct ext4_super_block * s_es; /* Pointer to the super block in the buffer */
struct buffer_head ** s_group_desc;
unsigned long s_mount_opt;
uid_t s_resuid;
@@ -62,7 +62,7 @@
/* root of the per fs reservation window tree */
spinlock_t s_rsv_window_lock;
struct rb_root s_rsv_window_root;
- struct ext3_reserve_window_node s_rsv_window_head;
+ struct ext4_reserve_window_node s_rsv_window_head;
/* Journaling */
struct inode * s_journal_inode;
@@ -80,4 +80,4 @@
#endif
};
-#endif /* _LINUX_EXT3_FS_SB */
+#endif /* _LINUX_EXT4_FS_SB */
diff --git a/include/linux/ext4_jbd.h b/include/linux/ext4_jbd.h
index ce0e610..3dbf6c7 100644
--- a/include/linux/ext4_jbd.h
+++ b/include/linux/ext4_jbd.h
@@ -1,5 +1,5 @@
/*
- * linux/include/linux/ext3_jbd.h
+ * linux/include/linux/ext4_jbd.h
*
* Written by Stephen C. Tweedie <sct@redhat.com>, 1999
*
@@ -9,17 +9,17 @@
* the terms of the GNU General Public License, version 2, or at your
* option, any later version, incorporated herein by reference.
*
- * Ext3-specific journaling extensions.
+ * Ext4-specific journaling extensions.
*/
-#ifndef _LINUX_EXT3_JBD_H
-#define _LINUX_EXT3_JBD_H
+#ifndef _LINUX_EXT4_JBD_H
+#define _LINUX_EXT4_JBD_H
#include <linux/fs.h>
#include <linux/jbd.h>
-#include <linux/ext3_fs.h>
+#include <linux/ext4_fs.h>
-#define EXT3_JOURNAL(inode) (EXT3_SB((inode)->i_sb)->s_journal)
+#define EXT4_JOURNAL(inode) (EXT4_SB((inode)->i_sb)->s_journal)
/* Define the number of blocks we need to account to a transaction to
* modify one block of data.
@@ -28,13 +28,13 @@
* indirection blocks, the group and superblock summaries, and the data
* block to complete the transaction. */
-#define EXT3_SINGLEDATA_TRANS_BLOCKS 8U
+#define EXT4_SINGLEDATA_TRANS_BLOCKS 8U
/* Extended attribute operations touch at most two data buffers,
* two bitmap buffers, and two group summaries, in addition to the inode
* and the superblock, which are already accounted for. */
-#define EXT3_XATTR_TRANS_BLOCKS 6U
+#define EXT4_XATTR_TRANS_BLOCKS 6U
/* Define the minimum size for a transaction which modifies data. This
* needs to take into account the fact that we may end up modifying two
@@ -42,15 +42,15 @@
* superblock only gets updated once, of course, so don't bother
* counting that again for the quota updates. */
-#define EXT3_DATA_TRANS_BLOCKS(sb) (EXT3_SINGLEDATA_TRANS_BLOCKS + \
- EXT3_XATTR_TRANS_BLOCKS - 2 + \
- 2*EXT3_QUOTA_TRANS_BLOCKS(sb))
+#define EXT4_DATA_TRANS_BLOCKS(sb) (EXT4_SINGLEDATA_TRANS_BLOCKS + \
+ EXT4_XATTR_TRANS_BLOCKS - 2 + \
+ 2*EXT4_QUOTA_TRANS_BLOCKS(sb))
/* Delete operations potentially hit one directory's namespace plus an
* entire inode, plus arbitrary amounts of bitmap/indirection data. Be
* generous. We can grow the delete transaction later if necessary. */
-#define EXT3_DELETE_TRANS_BLOCKS(sb) (2 * EXT3_DATA_TRANS_BLOCKS(sb) + 64)
+#define EXT4_DELETE_TRANS_BLOCKS(sb) (2 * EXT4_DATA_TRANS_BLOCKS(sb) + 64)
/* Define an arbitrary limit for the amount of data we will anticipate
* writing to any given transaction. For unbounded transactions such as
@@ -58,7 +58,7 @@
* start off at the maximum transaction size and grow the transaction
* optimistically as we go. */
-#define EXT3_MAX_TRANS_DATA 64U
+#define EXT4_MAX_TRANS_DATA 64U
/* We break up a large truncate or write transaction once the handle's
* buffer credits gets this low, we need either to extend the
@@ -67,202 +67,202 @@
* one block, plus two quota updates. Quota allocations are not
* needed. */
-#define EXT3_RESERVE_TRANS_BLOCKS 12U
+#define EXT4_RESERVE_TRANS_BLOCKS 12U
-#define EXT3_INDEX_EXTRA_TRANS_BLOCKS 8
+#define EXT4_INDEX_EXTRA_TRANS_BLOCKS 8
#ifdef CONFIG_QUOTA
/* Amount of blocks needed for quota update - we know that the structure was
* allocated so we need to update only inode+data */
-#define EXT3_QUOTA_TRANS_BLOCKS(sb) (test_opt(sb, QUOTA) ? 2 : 0)
+#define EXT4_QUOTA_TRANS_BLOCKS(sb) (test_opt(sb, QUOTA) ? 2 : 0)
/* Amount of blocks needed for quota insert/delete - we do some block writes
* but inode, sb and group updates are done only once */
-#define EXT3_QUOTA_INIT_BLOCKS(sb) (test_opt(sb, QUOTA) ? (DQUOT_INIT_ALLOC*\
- (EXT3_SINGLEDATA_TRANS_BLOCKS-3)+3+DQUOT_INIT_REWRITE) : 0)
-#define EXT3_QUOTA_DEL_BLOCKS(sb) (test_opt(sb, QUOTA) ? (DQUOT_DEL_ALLOC*\
- (EXT3_SINGLEDATA_TRANS_BLOCKS-3)+3+DQUOT_DEL_REWRITE) : 0)
+#define EXT4_QUOTA_INIT_BLOCKS(sb) (test_opt(sb, QUOTA) ? (DQUOT_INIT_ALLOC*\
+ (EXT4_SINGLEDATA_TRANS_BLOCKS-3)+3+DQUOT_INIT_REWRITE) : 0)
+#define EXT4_QUOTA_DEL_BLOCKS(sb) (test_opt(sb, QUOTA) ? (DQUOT_DEL_ALLOC*\
+ (EXT4_SINGLEDATA_TRANS_BLOCKS-3)+3+DQUOT_DEL_REWRITE) : 0)
#else
-#define EXT3_QUOTA_TRANS_BLOCKS(sb) 0
-#define EXT3_QUOTA_INIT_BLOCKS(sb) 0
-#define EXT3_QUOTA_DEL_BLOCKS(sb) 0
+#define EXT4_QUOTA_TRANS_BLOCKS(sb) 0
+#define EXT4_QUOTA_INIT_BLOCKS(sb) 0
+#define EXT4_QUOTA_DEL_BLOCKS(sb) 0
#endif
int
-ext3_mark_iloc_dirty(handle_t *handle,
+ext4_mark_iloc_dirty(handle_t *handle,
struct inode *inode,
- struct ext3_iloc *iloc);
+ struct ext4_iloc *iloc);
/*
* On success, We end up with an outstanding reference count against
* iloc->bh. This _must_ be cleaned up later.
*/
-int ext3_reserve_inode_write(handle_t *handle, struct inode *inode,
- struct ext3_iloc *iloc);
+int ext4_reserve_inode_write(handle_t *handle, struct inode *inode,
+ struct ext4_iloc *iloc);
-int ext3_mark_inode_dirty(handle_t *handle, struct inode *inode);
+int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode);
/*
- * Wrapper functions with which ext3 calls into JBD. The intent here is
- * to allow these to be turned into appropriate stubs so ext3 can control
- * ext2 filesystems, so ext2+ext3 systems only nee one fs. This work hasn't
+ * Wrapper functions with which ext4 calls into JBD. The intent here is
+ * to allow these to be turned into appropriate stubs so ext4 can control
+ * ext2 filesystems, so ext2+ext4 systems only nee one fs. This work hasn't
* been done yet.
*/
-void ext3_journal_abort_handle(const char *caller, const char *err_fn,
+void ext4_journal_abort_handle(const char *caller, const char *err_fn,
struct buffer_head *bh, handle_t *handle, int err);
static inline int
-__ext3_journal_get_undo_access(const char *where, handle_t *handle,
+__ext4_journal_get_undo_access(const char *where, handle_t *handle,
struct buffer_head *bh)
{
int err = journal_get_undo_access(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
return err;
}
static inline int
-__ext3_journal_get_write_access(const char *where, handle_t *handle,
+__ext4_journal_get_write_access(const char *where, handle_t *handle,
struct buffer_head *bh)
{
int err = journal_get_write_access(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
return err;
}
static inline void
-ext3_journal_release_buffer(handle_t *handle, struct buffer_head *bh)
+ext4_journal_release_buffer(handle_t *handle, struct buffer_head *bh)
{
journal_release_buffer(handle, bh);
}
static inline int
-__ext3_journal_forget(const char *where, handle_t *handle, struct buffer_head *bh)
+__ext4_journal_forget(const char *where, handle_t *handle, struct buffer_head *bh)
{
int err = journal_forget(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
return err;
}
static inline int
-__ext3_journal_revoke(const char *where, handle_t *handle,
+__ext4_journal_revoke(const char *where, handle_t *handle,
unsigned long blocknr, struct buffer_head *bh)
{
int err = journal_revoke(handle, blocknr, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
return err;
}
static inline int
-__ext3_journal_get_create_access(const char *where,
+__ext4_journal_get_create_access(const char *where,
handle_t *handle, struct buffer_head *bh)
{
int err = journal_get_create_access(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
return err;
}
static inline int
-__ext3_journal_dirty_metadata(const char *where,
+__ext4_journal_dirty_metadata(const char *where,
handle_t *handle, struct buffer_head *bh)
{
int err = journal_dirty_metadata(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
return err;
}
-#define ext3_journal_get_undo_access(handle, bh) \
- __ext3_journal_get_undo_access(__FUNCTION__, (handle), (bh))
-#define ext3_journal_get_write_access(handle, bh) \
- __ext3_journal_get_write_access(__FUNCTION__, (handle), (bh))
-#define ext3_journal_revoke(handle, blocknr, bh) \
- __ext3_journal_revoke(__FUNCTION__, (handle), (blocknr), (bh))
-#define ext3_journal_get_create_access(handle, bh) \
- __ext3_journal_get_create_access(__FUNCTION__, (handle), (bh))
-#define ext3_journal_dirty_metadata(handle, bh) \
- __ext3_journal_dirty_metadata(__FUNCTION__, (handle), (bh))
-#define ext3_journal_forget(handle, bh) \
- __ext3_journal_forget(__FUNCTION__, (handle), (bh))
+#define ext4_journal_get_undo_access(handle, bh) \
+ __ext4_journal_get_undo_access(__FUNCTION__, (handle), (bh))
+#define ext4_journal_get_write_access(handle, bh) \
+ __ext4_journal_get_write_access(__FUNCTION__, (handle), (bh))
+#define ext4_journal_revoke(handle, blocknr, bh) \
+ __ext4_journal_revoke(__FUNCTION__, (handle), (blocknr), (bh))
+#define ext4_journal_get_create_access(handle, bh) \
+ __ext4_journal_get_create_access(__FUNCTION__, (handle), (bh))
+#define ext4_journal_dirty_metadata(handle, bh) \
+ __ext4_journal_dirty_metadata(__FUNCTION__, (handle), (bh))
+#define ext4_journal_forget(handle, bh) \
+ __ext4_journal_forget(__FUNCTION__, (handle), (bh))
-int ext3_journal_dirty_data(handle_t *handle, struct buffer_head *bh);
+int ext4_journal_dirty_data(handle_t *handle, struct buffer_head *bh);
-handle_t *ext3_journal_start_sb(struct super_block *sb, int nblocks);
-int __ext3_journal_stop(const char *where, handle_t *handle);
+handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks);
+int __ext4_journal_stop(const char *where, handle_t *handle);
-static inline handle_t *ext3_journal_start(struct inode *inode, int nblocks)
+static inline handle_t *ext4_journal_start(struct inode *inode, int nblocks)
{
- return ext3_journal_start_sb(inode->i_sb, nblocks);
+ return ext4_journal_start_sb(inode->i_sb, nblocks);
}
-#define ext3_journal_stop(handle) \
- __ext3_journal_stop(__FUNCTION__, (handle))
+#define ext4_journal_stop(handle) \
+ __ext4_journal_stop(__FUNCTION__, (handle))
-static inline handle_t *ext3_journal_current_handle(void)
+static inline handle_t *ext4_journal_current_handle(void)
{
return journal_current_handle();
}
-static inline int ext3_journal_extend(handle_t *handle, int nblocks)
+static inline int ext4_journal_extend(handle_t *handle, int nblocks)
{
return journal_extend(handle, nblocks);
}
-static inline int ext3_journal_restart(handle_t *handle, int nblocks)
+static inline int ext4_journal_restart(handle_t *handle, int nblocks)
{
return journal_restart(handle, nblocks);
}
-static inline int ext3_journal_blocks_per_page(struct inode *inode)
+static inline int ext4_journal_blocks_per_page(struct inode *inode)
{
return journal_blocks_per_page(inode);
}
-static inline int ext3_journal_force_commit(journal_t *journal)
+static inline int ext4_journal_force_commit(journal_t *journal)
{
return journal_force_commit(journal);
}
/* super.c */
-int ext3_force_commit(struct super_block *sb);
+int ext4_force_commit(struct super_block *sb);
-static inline int ext3_should_journal_data(struct inode *inode)
+static inline int ext4_should_journal_data(struct inode *inode)
{
if (!S_ISREG(inode->i_mode))
return 1;
- if (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_JOURNAL_DATA)
+ if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
return 1;
- if (EXT3_I(inode)->i_flags & EXT3_JOURNAL_DATA_FL)
+ if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL)
return 1;
return 0;
}
-static inline int ext3_should_order_data(struct inode *inode)
+static inline int ext4_should_order_data(struct inode *inode)
{
if (!S_ISREG(inode->i_mode))
return 0;
- if (EXT3_I(inode)->i_flags & EXT3_JOURNAL_DATA_FL)
+ if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL)
return 0;
- if (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA)
+ if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
return 1;
return 0;
}
-static inline int ext3_should_writeback_data(struct inode *inode)
+static inline int ext4_should_writeback_data(struct inode *inode)
{
if (!S_ISREG(inode->i_mode))
return 0;
- if (EXT3_I(inode)->i_flags & EXT3_JOURNAL_DATA_FL)
+ if (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL)
return 0;
- if (test_opt(inode->i_sb, DATA_FLAGS) == EXT3_MOUNT_WRITEBACK_DATA)
+ if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
return 1;
return 0;
}
-#endif /* _LINUX_EXT3_JBD_H */
+#endif /* _LINUX_EXT4_JBD_H */