#include <linux/types.h>
#include <linux/blkdev.h>
#include <linux/magic.h>
#include <linux/jbd2.h>
#include <linux/quota.h>
#include <linux/rwsem.h>
#include <linux/rbtree.h>
#include <linux/seqlock.h>
#include <linux/mutex.h>
#include <linux/timer.h>
#include <linux/wait.h>
#include <linux/blockgroup_lock.h>
#include <linux/percpu_counter.h>
#include <crypto/hash.h>
#include "ext4_extents.h"

Data Structures
struct	ext4_allocation_request

struct	ext4_map_blocks

struct	mpage_da_data

struct	ext4_io_page

struct	ext4_io_end

struct	ext4_io_submit

struct	ext4_group_desc

struct	flex_groups

struct	ext4_new_group_input

struct	ext4_new_group_data

struct	ext4_inode

struct	move_extent

struct	ext4_ext_cache

struct	ext4_inode_info

struct	ext4_super_block

struct	ext4_dir_entry

struct	ext4_dir_entry_2

struct	ext4_dir_entry_tail

Macros
#define	ext4_debug(fmt,...) no_printk(fmt, ##__VA_ARGS__)

#define	EXT4_ERROR_INODE(inode, fmt, a...) ext4_error_inode((inode), __func__, __LINE__, 0, (fmt), ## a)

#define	EXT4_ERROR_INODE_BLOCK(inode, block, fmt, a...) ext4_error_inode((inode), __func__, __LINE__, (block), (fmt), ## a)

#define	EXT4_ERROR_FILE(file, block, fmt, a...) ext4_error_file((file), __func__, __LINE__, (block), (fmt), ## a)

#define	EXT4_MB_HINT_MERGE 0x0001

#define	EXT4_MB_HINT_RESERVED 0x0002

#define	EXT4_MB_HINT_METADATA 0x0004

#define	EXT4_MB_HINT_FIRST 0x0008

#define	EXT4_MB_HINT_BEST 0x0010

#define	EXT4_MB_HINT_DATA 0x0020

#define	EXT4_MB_HINT_NOPREALLOC 0x0040

#define	EXT4_MB_HINT_GROUP_ALLOC 0x0080

#define	EXT4_MB_HINT_GOAL_ONLY 0x0100

#define	EXT4_MB_HINT_TRY_GOAL 0x0200

#define	EXT4_MB_DELALLOC_RESERVED 0x0400

#define	EXT4_MB_STREAM_ALLOC 0x0800

#define	EXT4_MB_USE_ROOT_BLOCKS 0x1000

#define	EXT4_MAP_NEW (1 << BH_New)

#define	EXT4_MAP_MAPPED (1 << BH_Mapped)

#define	EXT4_MAP_UNWRITTEN (1 << BH_Unwritten)

#define	EXT4_MAP_BOUNDARY (1 << BH_Boundary)

#define	EXT4_MAP_UNINIT (1 << BH_Uninit)

#define	EXT4_MAP_FROM_CLUSTER (1 << BH_AllocFromCluster)

#define	EXT4_MAP_FLAGS

#define	EXT4_IO_END_UNWRITTEN 0x0001

#define	EXT4_IO_END_ERROR 0x0002

#define	EXT4_IO_END_QUEUED 0x0004

#define	EXT4_IO_END_DIRECT 0x0008

#define	MAX_IO_PAGES 128

#define	EXT4_BAD_INO 1 /* Bad blocks inode */

#define	EXT4_ROOT_INO 2 /* Root inode */

#define	EXT4_USR_QUOTA_INO 3 /* User quota inode */

#define	EXT4_GRP_QUOTA_INO 4 /* Group quota 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 */

#define	EXT4_GOOD_OLD_FIRST_INO 11

#define	EXT4_LINK_MAX 65000

#define	EXT4_MIN_BLOCK_SIZE 1024

#define	EXT4_MAX_BLOCK_SIZE 65536

#define	EXT4_MIN_BLOCK_LOG_SIZE 10

#define	EXT4_MAX_BLOCK_LOG_SIZE 16

#define	EXT4_BLOCK_SIZE(s) (EXT4_MIN_BLOCK_SIZE << (s)->s_log_block_size)

#define	EXT4_ADDR_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / sizeof(__u32))

#define	EXT4_CLUSTER_SIZE(s)

#define	EXT4_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10)

#define	EXT4_INODE_SIZE(s)

#define	EXT4_FIRST_INO(s)

#define	EXT4_BLOCK_ALIGN(size, blkbits) ALIGN((size), (1 << (blkbits)))

#define	EXT4_B2C(sbi, blk) ((blk) >> (sbi)->s_cluster_bits)

#define	EXT4_C2B(sbi, cluster) ((cluster) << (sbi)->s_cluster_bits)

#define	EXT4_NUM_B2C(sbi, blks)

#define	EXT4_BG_INODE_BITMAP_CSUM_HI_END

#define	EXT4_BG_BLOCK_BITMAP_CSUM_HI_END

#define	EXT4_BG_INODE_UNINIT 0x0001 /* Inode table/bitmap not in use */

#define	EXT4_BG_BLOCK_UNINIT 0x0002 /* Block bitmap not in use */

#define	EXT4_BG_INODE_ZEROED 0x0004 /* On-disk itable initialized to zero */

#define	EXT4_MIN_DESC_SIZE 32

#define	EXT4_MIN_DESC_SIZE_64BIT 64

#define	EXT4_MAX_DESC_SIZE EXT4_MIN_BLOCK_SIZE

#define	EXT4_DESC_SIZE(s) (EXT4_SB(s)->s_desc_size)

#define	EXT4_BLOCKS_PER_GROUP(s) ((s)->s_blocks_per_group)

#define	EXT4_DESC_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / EXT4_DESC_SIZE(s))

#define	EXT4_INODES_PER_GROUP(s) ((s)->s_inodes_per_group)

#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)

#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 */

#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 */

#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_HUGE_FILE_FL 0x00040000 /* Set to each huge file */

#define	EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */

#define	EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */

#define	EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */

#define	EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */

#define	EXT4_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */

#define	EXT4_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */

#define	EXT4_FL_INHERITED

#define	EXT4_REG_FLMASK (~(EXT4_DIRSYNC_FL \| EXT4_TOPDIR_FL))

#define	EXT4_OTHER_FLMASK (EXT4_NODUMP_FL \| EXT4_NOATIME_FL)

#define	TEST_FLAG_VALUE(FLAG) (EXT4_##FLAG##_FL == (1 << EXT4_INODE_##FLAG))

#define	CHECK_FLAG_VALUE(FLAG)

#define	EXT4_GET_BLOCKS_CREATE 0x0001

#define	EXT4_GET_BLOCKS_UNINIT_EXT 0x0002

#define	EXT4_GET_BLOCKS_CREATE_UNINIT_EXT

#define	EXT4_GET_BLOCKS_DELALLOC_RESERVE 0x0004

#define	EXT4_GET_BLOCKS_PRE_IO 0x0008

#define	EXT4_GET_BLOCKS_CONVERT 0x0010

#define	EXT4_GET_BLOCKS_IO_CREATE_EXT

#define	EXT4_GET_BLOCKS_IO_CONVERT_EXT

#define	EXT4_GET_BLOCKS_PUNCH_OUT_EXT 0x0020

#define	EXT4_GET_BLOCKS_NO_NORMALIZE 0x0040

#define	EXT4_GET_BLOCKS_KEEP_SIZE 0x0080

#define	EXT4_GET_BLOCKS_NO_LOCK 0x0100

#define	EXT4_FREE_BLOCKS_METADATA 0x0001

#define	EXT4_FREE_BLOCKS_FORGET 0x0002

#define	EXT4_FREE_BLOCKS_VALIDATED 0x0004

#define	EXT4_FREE_BLOCKS_NO_QUOT_UPDATE 0x0008

#define	EXT4_FREE_BLOCKS_NOFREE_FIRST_CLUSTER 0x0010

#define	EXT4_FREE_BLOCKS_NOFREE_LAST_CLUSTER 0x0020

#define	EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED 0x0001

#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_GETVERSION_OLD FS_IOC_GETVERSION

#define	EXT4_IOC_SETVERSION_OLD FS_IOC_SETVERSION

#define	EXT4_IOC_GETRSVSZ _IOR('f', 5, long)

#define	EXT4_IOC_SETRSVSZ _IOW('f', 6, 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_MIGRATE _IO('f', 9)

#define	EXT4_IOC_ALLOC_DA_BLKS _IO('f', 12)

#define	EXT4_IOC_MOVE_EXT _IOWR('f', 15, struct move_extent)

#define	EXT4_IOC_RESIZE_FS _IOW('f', 16, __u64)

#define	EXT4_MAX_BLOCK_FILE_PHYS 0xFFFFFFFF

#define	EXT4_EPOCH_BITS 2

#define	EXT4_EPOCH_MASK ((1 << EXT4_EPOCH_BITS) - 1)

#define	EXT4_NSEC_MASK (~0UL << EXT4_EPOCH_BITS)

#define	EXT4_FITS_IN_INODE(ext4_inode, einode, field)

#define	EXT4_INODE_SET_XTIME(xtime, inode, raw_inode)

#define	EXT4_EINODE_SET_XTIME(xtime, einode, raw_inode)

#define	EXT4_INODE_GET_XTIME(xtime, inode, raw_inode)

#define	EXT4_EINODE_GET_XTIME(xtime, einode, raw_inode)

#define	i_disk_version osd1.linux1.l_i_version

#define	EXT4_VALID_FS 0x0001 /* Unmounted cleanly */

#define	EXT4_ERROR_FS 0x0002 /* Errors detected */

#define	EXT4_ORPHAN_FS 0x0004 /* Orphans being recovered */

#define	EXT2_FLAGS_SIGNED_HASH 0x0001 /* Signed dirhash in use */

#define	EXT2_FLAGS_UNSIGNED_HASH 0x0002 /* Unsigned dirhash in use */

#define	EXT2_FLAGS_TEST_FILESYS 0x0004 /* to test development code */

#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_ERRORS_MASK 0x00070

#define	EXT4_MOUNT_MINIX_DF 0x00080 /* Mimics the Minix statfs */

#define	EXT4_MOUNT_NOLOAD 0x00100 /* Don't use existing journal*/

#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_NO_AUTO_DA_ALLOC 0x10000 /* No auto delalloc mapping */

#define	EXT4_MOUNT_BARRIER 0x20000 /* Use block barriers */

#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 */

#define	EXT4_MOUNT_DIOREAD_NOLOCK 0x400000 /* Enable support for dio read nolocking */

#define	EXT4_MOUNT_JOURNAL_CHECKSUM 0x800000 /* Journal checksums */

#define	EXT4_MOUNT_JOURNAL_ASYNC_COMMIT 0x1000000 /* Journal Async Commit */

#define	EXT4_MOUNT_MBLK_IO_SUBMIT 0x4000000 /* multi-block io submits */

#define	EXT4_MOUNT_DELALLOC 0x8000000 /* Delalloc support */

#define	EXT4_MOUNT_DATA_ERR_ABORT 0x10000000 /* Abort on file data write */

#define	EXT4_MOUNT_BLOCK_VALIDITY 0x20000000 /* Block validity checking */

#define	EXT4_MOUNT_DISCARD 0x40000000 /* Issue DISCARD requests */

#define	EXT4_MOUNT_INIT_INODE_TABLE 0x80000000 /* Initialize uninitialized itables */

#define	EXT4_MOUNT2_EXPLICIT_DELALLOC

#define	clear_opt(sb, opt)

#define	set_opt(sb, opt)

#define	test_opt(sb, opt)

#define	clear_opt2(sb, opt)

#define	set_opt2(sb, opt)

#define	test_opt2(sb, opt)

#define	ext4_test_and_set_bit __test_and_set_bit_le

#define	ext4_set_bit __set_bit_le

#define	ext4_set_bit_atomic ext2_set_bit_atomic

#define	ext4_test_and_clear_bit __test_and_clear_bit_le

#define	ext4_clear_bit __clear_bit_le

#define	ext4_clear_bit_atomic ext2_clear_bit_atomic

#define	ext4_test_bit test_bit_le

#define	ext4_find_next_zero_bit find_next_zero_bit_le

#define	ext4_find_next_bit find_next_bit_le

#define	EXT4_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */

#define	EXT4_DFL_CHECKINTERVAL 0 /* Don't use interval check */

#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

#define	EXT4_CRC32C_CHKSUM 1

#define	EXT4_S_ERR_START offsetof(struct ext4_super_block, s_error_count)

#define	EXT4_S_ERR_END offsetof(struct ext4_super_block, s_mount_opts)

#define	EXT4_S_ERR_LEN (EXT4_S_ERR_END - EXT4_S_ERR_START)

#define	EXT4_SB(sb) (sb)

#define	NEXT_ORPHAN(inode) EXT4_I(inode)->i_dtime

#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

#define	EXT4_GOOD_OLD_REV 0 /* The good old (original) format */

#define	EXT4_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */

#define	EXT4_CURRENT_REV EXT4_GOOD_OLD_REV

#define	EXT4_MAX_SUPP_REV EXT4_DYNAMIC_REV

#define	EXT4_GOOD_OLD_INODE_SIZE 128

#define	EXT4_HAS_COMPAT_FEATURE(sb, mask) ((EXT4_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask)) != 0)

#define	EXT4_HAS_RO_COMPAT_FEATURE(sb, mask) ((EXT4_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask)) != 0)

#define	EXT4_HAS_INCOMPAT_FEATURE(sb, mask) ((EXT4_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask)) != 0)

#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	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	EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001

#define	EXT4_FEATURE_RO_COMPAT_LARGE_FILE 0x0002

#define	EXT4_FEATURE_RO_COMPAT_BTREE_DIR 0x0004

#define	EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008

#define	EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010

#define	EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020

#define	EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040

#define	EXT4_FEATURE_RO_COMPAT_QUOTA 0x0100

#define	EXT4_FEATURE_RO_COMPAT_BIGALLOC 0x0200

#define	EXT4_FEATURE_RO_COMPAT_METADATA_CSUM 0x0400

#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	EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */

#define	EXT4_FEATURE_INCOMPAT_64BIT 0x0080

#define	EXT4_FEATURE_INCOMPAT_MMP 0x0100

#define	EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200

#define	EXT4_FEATURE_INCOMPAT_EA_INODE 0x0400 /* EA in inode */

#define	EXT4_FEATURE_INCOMPAT_DIRDATA 0x1000 /* data in dirent */

#define	EXT4_FEATURE_INCOMPAT_BG_USE_META_CSUM 0x2000 /* use crc32c for bg */

#define	EXT4_FEATURE_INCOMPAT_LARGEDIR 0x4000 /* >2GB or 3-lvl htree */

#define	EXT4_FEATURE_INCOMPAT_INLINEDATA 0x8000 /* data in inode */

#define	EXT2_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR

#define	EXT2_FEATURE_INCOMPAT_SUPP

#define	EXT2_FEATURE_RO_COMPAT_SUPP

#define	EXT3_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR

#define	EXT3_FEATURE_INCOMPAT_SUPP

#define	EXT3_FEATURE_RO_COMPAT_SUPP

#define	EXT4_FEATURE_COMPAT_SUPP EXT2_FEATURE_COMPAT_EXT_ATTR

#define	EXT4_FEATURE_INCOMPAT_SUPP

#define	EXT4_FEATURE_RO_COMPAT_SUPP

#define	EXT4_DEF_RESUID 0

#define	EXT4_DEF_RESGID 0

#define	EXT4_DEF_INODE_READAHEAD_BLKS 32

#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

#define	EXT4_DEFM_NOBARRIER 0x0100

#define	EXT4_DEFM_BLOCK_VALIDITY 0x0200

#define	EXT4_DEFM_DISCARD 0x0400

#define	EXT4_DEFM_NODELALLOC 0x0800

#define	EXT4_DEF_MIN_BATCH_TIME 0

#define	EXT4_DEF_MAX_BATCH_TIME 15000 /* 15ms */

#define	EXT4_FLEX_SIZE_DIR_ALLOC_SCHEME 4

#define	EXT4_NAME_LEN 255

#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	EXT4_FT_MAX 8

#define	EXT4_FT_DIR_CSUM 0xDE

#define	EXT4_DIR_PAD 4

#define	EXT4_DIR_ROUND (EXT4_DIR_PAD - 1)

#define	EXT4_DIR_REC_LEN(name_len)

#define	EXT4_MAX_REC_LEN ((1<<16)-1)

#define	is_dx(dir)

#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)

#define	DX_HASH_LEGACY 0

#define	DX_HASH_HALF_MD4 1

#define	DX_HASH_TEA 2

#define	DX_HASH_LEGACY_UNSIGNED 3

#define	DX_HASH_HALF_MD4_UNSIGNED 4

#define	DX_HASH_TEA_UNSIGNED 5

Typedefs
typedef int	ext4_grpblk_t

typedef unsigned long long	ext4_fsblk_t

typedef __u32	ext4_lblk_t

typedef unsigned int	ext4_group_t

typedef struct ext4_io_end	ext4_io_end_t

Enumerations
enum	{ EXT4_INODE_SECRM = 0, EXT4_INODE_UNRM = 1, EXT4_INODE_COMPR = 2, EXT4_INODE_SYNC = 3, EXT4_INODE_IMMUTABLE = 4, EXT4_INODE_APPEND = 5, EXT4_INODE_NODUMP = 6, EXT4_INODE_NOATIME = 7, EXT4_INODE_DIRTY = 8, EXT4_INODE_COMPRBLK = 9, EXT4_INODE_NOCOMPR = 10, EXT4_INODE_ECOMPR = 11, EXT4_INODE_INDEX = 12, EXT4_INODE_IMAGIC = 13, EXT4_INODE_JOURNAL_DATA = 14, EXT4_INODE_NOTAIL = 15, EXT4_INODE_DIRSYNC = 16, EXT4_INODE_TOPDIR = 17, EXT4_INODE_HUGE_FILE = 18, EXT4_INODE_EXTENTS = 19, EXT4_INODE_EA_INODE = 21, EXT4_INODE_EOFBLOCKS = 22, EXT4_INODE_RESERVED = 31 }

enum	{ BLOCK_BITMAP = 0, INODE_BITMAP, INODE_TABLE, GROUP_TABLE_COUNT }

Functions
void	ext4_set_bits (void *bm, int cur, int len)

Macro Definition Documentation

#define CHECK_FLAG_VALUE ( FLAG )

Value:

if (!TEST_FLAG_VALUE(FLAG)) { \
    printk(KERN_EMERG "EXT4 flag fail: " #FLAG ": %d %d\n", \
        EXT4_##FLAG##_FL, EXT4_INODE_##FLAG); BUG_ON(1); }

Definition at line 455 of file ext4.h.

#define clear_opt	(	sb,
		opt
	)

Value:

EXT4_SB(sb)->s_mount_opt &= \

~EXT4_MOUNT_##opt

Definition at line 979 of file ext4.h.

#define clear_opt2	(	sb,
		opt
	)

Value:

EXT4_SB(sb)->s_mount_opt2 &= \

~EXT4_MOUNT2_##opt

Definition at line 986 of file ext4.h.

#define DX_HASH_HALF_MD4 1

Definition at line 1673 of file ext4.h.

#define DX_HASH_HALF_MD4_UNSIGNED 4

Definition at line 1676 of file ext4.h.

#define DX_HASH_LEGACY 0

Definition at line 1672 of file ext4.h.

#define DX_HASH_LEGACY_UNSIGNED 3

Definition at line 1675 of file ext4.h.

#define DX_HASH_TEA 2

Definition at line 1674 of file ext4.h.

#define DX_HASH_TEA_UNSIGNED 5

Definition at line 1677 of file ext4.h.

#define EXT2_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR

Definition at line 1485 of file ext4.h.

#define EXT2_FEATURE_INCOMPAT_SUPP

Value:

(EXT4_FEATURE_INCOMPAT_FILETYPE| \

EXT4_FEATURE_INCOMPAT_META_BG)

Definition at line 1486 of file ext4.h.

#define EXT2_FEATURE_RO_COMPAT_SUPP

Value:

(EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
                     EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
                     EXT4_FEATURE_RO_COMPAT_BTREE_DIR)

Definition at line 1488 of file ext4.h.

#define EXT2_FLAGS_SIGNED_HASH 0x0001 /* Signed dirhash in use */

Definition at line 939 of file ext4.h.

#define EXT2_FLAGS_TEST_FILESYS 0x0004 /* to test development code */

Definition at line 941 of file ext4.h.

#define EXT2_FLAGS_UNSIGNED_HASH 0x0002 /* Unsigned dirhash in use */

Definition at line 940 of file ext4.h.

#define EXT3_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR

Definition at line 1492 of file ext4.h.

#define EXT3_FEATURE_INCOMPAT_SUPP

Value:

(EXT4_FEATURE_INCOMPAT_FILETYPE| \
                     EXT4_FEATURE_INCOMPAT_RECOVER| \
                     EXT4_FEATURE_INCOMPAT_META_BG)

Definition at line 1493 of file ext4.h.

#define EXT3_FEATURE_RO_COMPAT_SUPP

Value:

(EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
                     EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
                     EXT4_FEATURE_RO_COMPAT_BTREE_DIR)

Definition at line 1496 of file ext4.h.

#define EXT4_ADDR_PER_BLOCK ( s ) (EXT4_BLOCK_SIZE(s) / sizeof(__u32))

Definition at line 258 of file ext4.h.

#define EXT4_APPEND_FL 0x00000020 /* writes to file may only append */

Definition at line 376 of file ext4.h.

#define EXT4_B2C	(	sbi,
		blk
	)	((blk) >> (sbi)->s_cluster_bits)

Definition at line 282 of file ext4.h.

#define EXT4_BAD_INO 1 /* Bad blocks inode */

Definition at line 229 of file ext4.h.

#define EXT4_BG_BLOCK_BITMAP_CSUM_HI_END

Value:

(offsetof(struct ext4_group_desc, bg_block_bitmap_csum_hi) + \

sizeof(__le16))

Definition at line 322 of file ext4.h.

#define EXT4_BG_BLOCK_UNINIT 0x0002 /* Block bitmap not in use */

Definition at line 337 of file ext4.h.

#define EXT4_BG_INODE_BITMAP_CSUM_HI_END

Value:

(offsetof(struct ext4_group_desc, bg_inode_bitmap_csum_hi) + \

sizeof(__le16))

Definition at line 319 of file ext4.h.

#define EXT4_BG_INODE_UNINIT 0x0001 /* Inode table/bitmap not in use */

Definition at line 336 of file ext4.h.

#define EXT4_BG_INODE_ZEROED 0x0004 /* On-disk itable initialized to zero */

Definition at line 338 of file ext4.h.

#define EXT4_BLOCK_ALIGN	(	size,
		blkbits
	)	ALIGN((size), (1 << (blkbits)))

Definition at line 279 of file ext4.h.

#define EXT4_BLOCK_SIZE ( s ) (EXT4_MIN_BLOCK_SIZE << (s)->s_log_block_size)

Definition at line 256 of file ext4.h.

#define EXT4_BLOCK_SIZE_BITS ( s ) ((s)->s_log_block_size + 10)

Definition at line 265 of file ext4.h.

#define EXT4_BLOCKS_PER_GROUP ( s ) ((s)->s_blocks_per_group)

Definition at line 354 of file ext4.h.

#define EXT4_BOOT_LOADER_INO 5 /* Boot loader inode */

Definition at line 233 of file ext4.h.

#define EXT4_C2B	(	sbi,
		cluster
	)	((cluster) << (sbi)->s_cluster_bits)

Definition at line 284 of file ext4.h.

#define ext4_clear_bit __clear_bit_le

Definition at line 997 of file ext4.h.

#define ext4_clear_bit_atomic ext2_clear_bit_atomic

Definition at line 998 of file ext4.h.

#define EXT4_CLEAR_COMPAT_FEATURE	(	sb,
		mask
	)	EXT4_SB(sb)->s_es->s_feature_compat &= ~cpu_to_le32(mask)

Definition at line 1439 of file ext4.h.

#define EXT4_CLEAR_INCOMPAT_FEATURE	(	sb,
		mask
	)	EXT4_SB(sb)->s_es->s_feature_incompat &= ~cpu_to_le32(mask)

Definition at line 1443 of file ext4.h.

#define EXT4_CLEAR_RO_COMPAT_FEATURE	(	sb,
		mask
	)	EXT4_SB(sb)->s_es->s_feature_ro_compat &= ~cpu_to_le32(mask)

Definition at line 1441 of file ext4.h.

#define EXT4_CLUSTER_SIZE ( s )

Value:

(EXT4_BLOCK_SIZE(s) << \

EXT4_SB(s)->s_cluster_bits)

Definition at line 259 of file ext4.h.

#define EXT4_COMPR_FL 0x00000004 /* Compress file */

Definition at line 373 of file ext4.h.

#define EXT4_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */

Definition at line 381 of file ext4.h.

#define EXT4_CRC32C_CHKSUM 1

Definition at line 1020 of file ext4.h.

#define EXT4_CURRENT_REV EXT4_GOOD_OLD_REV

Definition at line 1418 of file ext4.h.

#define ext4_debug	(	fmt,
		...
	)	no_printk(fmt, ##__VA_ARGS__)

Definition at line 57 of file ext4.h.

#define EXT4_DEF_INODE_READAHEAD_BLKS 32

Definition at line 1525 of file ext4.h.

#define EXT4_DEF_MAX_BATCH_TIME 15000 /* 15ms */

Definition at line 1548 of file ext4.h.

#define EXT4_DEF_MIN_BATCH_TIME 0

Definition at line 1547 of file ext4.h.

#define EXT4_DEF_RESGID 0

Definition at line 1523 of file ext4.h.

#define EXT4_DEF_RESUID 0

Definition at line 1522 of file ext4.h.

#define EXT4_DEFM_ACL 0x0008

Definition at line 1533 of file ext4.h.

#define EXT4_DEFM_BLOCK_VALIDITY 0x0200

Definition at line 1540 of file ext4.h.

#define EXT4_DEFM_BSDGROUPS 0x0002

Definition at line 1531 of file ext4.h.

#define EXT4_DEFM_DEBUG 0x0001

Definition at line 1530 of file ext4.h.

#define EXT4_DEFM_DISCARD 0x0400

Definition at line 1541 of file ext4.h.

#define EXT4_DEFM_JMODE 0x0060

Definition at line 1535 of file ext4.h.

#define EXT4_DEFM_JMODE_DATA 0x0020

Definition at line 1536 of file ext4.h.

#define EXT4_DEFM_JMODE_ORDERED 0x0040

Definition at line 1537 of file ext4.h.

#define EXT4_DEFM_JMODE_WBACK 0x0060

Definition at line 1538 of file ext4.h.

#define EXT4_DEFM_NOBARRIER 0x0100

Definition at line 1539 of file ext4.h.

#define EXT4_DEFM_NODELALLOC 0x0800

Definition at line 1542 of file ext4.h.

#define EXT4_DEFM_UID16 0x0010

Definition at line 1534 of file ext4.h.

#define EXT4_DEFM_XATTR_USER 0x0004

Definition at line 1532 of file ext4.h.

#define EXT4_DESC_PER_BLOCK ( s ) (EXT4_BLOCK_SIZE(s) / EXT4_DESC_SIZE(s))

Definition at line 355 of file ext4.h.

#define EXT4_DESC_SIZE ( s ) (EXT4_SB(s)->s_desc_size)

Definition at line 346 of file ext4.h.

#define EXT4_DFL_CHECKINTERVAL 0 /* Don't use interval check */

Definition at line 1009 of file ext4.h.

#define EXT4_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */

Definition at line 1008 of file ext4.h.

#define EXT4_DIND_BLOCK (EXT4_IND_BLOCK + 1)

Definition at line 364 of file ext4.h.

#define EXT4_DIR_LINK_EMPTY ( dir ) ((dir)->i_nlink == 2 || (dir)->i_nlink == 1)

Definition at line 1668 of file ext4.h.

#define EXT4_DIR_LINK_MAX ( dir ) (!is_dx(dir) && (dir)->i_nlink >= EXT4_LINK_MAX)

Definition at line 1667 of file ext4.h.

#define EXT4_DIR_PAD 4

Definition at line 1616 of file ext4.h.

#define EXT4_DIR_REC_LEN ( name_len )

Value:

(((name_len) + 8 + EXT4_DIR_ROUND) & \

~EXT4_DIR_ROUND)

Definition at line 1618 of file ext4.h.

#define EXT4_DIR_ROUND (EXT4_DIR_PAD - 1)

Definition at line 1617 of file ext4.h.

#define EXT4_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */

Definition at line 389 of file ext4.h.

#define EXT4_DIRTY_FL 0x00000100

Definition at line 380 of file ext4.h.

#define EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED 0x0001

Definition at line 589 of file ext4.h.

#define EXT4_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */

Definition at line 1416 of file ext4.h.

#define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */

Definition at line 393 of file ext4.h.

#define EXT4_ECOMPR_FL 0x00000800 /* Compression error */

Definition at line 383 of file ext4.h.

#define EXT4_EINODE_GET_XTIME	(	xtime,
		einode,
		raw_inode
	)

Value:

do {                                           \
    if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime))              \
        (einode)->xtime.tv_sec =                       \
            (signed)le32_to_cpu((raw_inode)->xtime);           \
    if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime ## _extra))        \
        ext4_decode_extra_time(&(einode)->xtime,               \
                       raw_inode->xtime ## _extra);        \
    else                                       \
        (einode)->xtime.tv_nsec = 0;                       \
} while (0)

Definition at line 764 of file ext4.h.

#define EXT4_EINODE_SET_XTIME	(	xtime,
		einode,
		raw_inode
	)

Value:

do {                                           \
    if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime))              \
        (raw_inode)->xtime = cpu_to_le32((einode)->xtime.tv_sec);      \
    if (EXT4_FITS_IN_INODE(raw_inode, einode, xtime ## _extra))        \
        (raw_inode)->xtime ## _extra =                     \
                ext4_encode_extra_time(&(einode)->xtime);      \
} while (0)

Definition at line 745 of file ext4.h.

#define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */

Definition at line 394 of file ext4.h.

#define EXT4_EPOCH_BITS 2

Definition at line 702 of file ext4.h.

#define EXT4_EPOCH_MASK ((1 << EXT4_EPOCH_BITS) - 1)

Definition at line 703 of file ext4.h.

#define EXT4_ERROR_FILE	(	file,
		block,
		fmt,
		a...
	)	ext4_error_file((file), __func__, __LINE__, (block), (fmt), ## a)

Definition at line 66 of file ext4.h.

#define EXT4_ERROR_FS 0x0002 /* Errors detected */

Definition at line 933 of file ext4.h.

#define EXT4_ERROR_INODE	(	inode,
		fmt,
		a...
	)	ext4_error_inode((inode), __func__, __LINE__, 0, (fmt), ## a)

Definition at line 60 of file ext4.h.

#define EXT4_ERROR_INODE_BLOCK	(	inode,
		block,
		fmt,
		a...
	)	ext4_error_inode((inode), __func__, __LINE__, (block), (fmt), ## a)

Definition at line 63 of file ext4.h.

#define EXT4_ERRORS_CONTINUE 1 /* Continue execution */

Definition at line 1014 of file ext4.h.

#define EXT4_ERRORS_DEFAULT EXT4_ERRORS_CONTINUE

Definition at line 1017 of file ext4.h.

#define EXT4_ERRORS_PANIC 3 /* Panic */

Definition at line 1016 of file ext4.h.

#define EXT4_ERRORS_RO 2 /* Remount fs read-only */

Definition at line 1015 of file ext4.h.

#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */

Definition at line 392 of file ext4.h.

#define EXT4_FEATURE_COMPAT_DIR_INDEX 0x0020

Definition at line 1451 of file ext4.h.

#define EXT4_FEATURE_COMPAT_DIR_PREALLOC 0x0001

Definition at line 1446 of file ext4.h.

#define EXT4_FEATURE_COMPAT_EXT_ATTR 0x0008

Definition at line 1449 of file ext4.h.

#define EXT4_FEATURE_COMPAT_HAS_JOURNAL 0x0004

Definition at line 1448 of file ext4.h.

#define EXT4_FEATURE_COMPAT_IMAGIC_INODES 0x0002

Definition at line 1447 of file ext4.h.

#define EXT4_FEATURE_COMPAT_RESIZE_INODE 0x0010

Definition at line 1450 of file ext4.h.

#define EXT4_FEATURE_COMPAT_SUPP EXT2_FEATURE_COMPAT_EXT_ATTR

Definition at line 1500 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080

Definition at line 1476 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_BG_USE_META_CSUM 0x2000 /* use crc32c for bg */

Definition at line 1481 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_COMPRESSION 0x0001

Definition at line 1470 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_DIRDATA 0x1000 /* data in dirent */

Definition at line 1480 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_EA_INODE 0x0400 /* EA in inode */

Definition at line 1479 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */

Definition at line 1475 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_FILETYPE 0x0002

Definition at line 1471 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200

Definition at line 1478 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_INLINEDATA 0x8000 /* data in inode */

Definition at line 1483 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */

Definition at line 1473 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_LARGEDIR 0x4000 /* >2GB or 3-lvl htree */

Definition at line 1482 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_META_BG 0x0010

Definition at line 1474 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_MMP 0x0100

Definition at line 1477 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_RECOVER 0x0004 /* Needs recovery */

Definition at line 1472 of file ext4.h.

#define EXT4_FEATURE_INCOMPAT_SUPP

Value:

(EXT4_FEATURE_INCOMPAT_FILETYPE| \
                     EXT4_FEATURE_INCOMPAT_RECOVER| \
                     EXT4_FEATURE_INCOMPAT_META_BG| \
                     EXT4_FEATURE_INCOMPAT_EXTENTS| \
                     EXT4_FEATURE_INCOMPAT_64BIT| \
                     EXT4_FEATURE_INCOMPAT_FLEX_BG| \
                     EXT4_FEATURE_INCOMPAT_MMP)

Definition at line 1501 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_BIGALLOC 0x0200

Definition at line 1461 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_BTREE_DIR 0x0004

Definition at line 1455 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020

Definition at line 1458 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040

Definition at line 1459 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010

Definition at line 1457 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008

Definition at line 1456 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_LARGE_FILE 0x0002

Definition at line 1454 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM 0x0400

Definition at line 1468 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_QUOTA 0x0100

Definition at line 1460 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001

Definition at line 1453 of file ext4.h.

#define EXT4_FEATURE_RO_COMPAT_SUPP

Value:

(EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
                     EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
                     EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \
                     EXT4_FEATURE_RO_COMPAT_DIR_NLINK | \
                     EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE | \
                     EXT4_FEATURE_RO_COMPAT_BTREE_DIR |\
                     EXT4_FEATURE_RO_COMPAT_HUGE_FILE |\
                     EXT4_FEATURE_RO_COMPAT_BIGALLOC |\
                     EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|\
                     EXT4_FEATURE_RO_COMPAT_QUOTA)

Definition at line 1508 of file ext4.h.

#define ext4_find_next_bit find_next_bit_le

Definition at line 1001 of file ext4.h.

#define ext4_find_next_zero_bit find_next_zero_bit_le

Definition at line 1000 of file ext4.h.

#define EXT4_FIRST_INO ( s )

Value:

(((s)->s_rev_level == EXT4_GOOD_OLD_REV) ? \
                 EXT4_GOOD_OLD_FIRST_INO : \
                 (s)->s_first_ino)

Definition at line 275 of file ext4.h.

#define EXT4_FITS_IN_INODE	(	ext4_inode,
		einode,
		field
	)

Value:

((offsetof(typeof(*ext4_inode), field) +    \
      sizeof((ext4_inode)->field))          \
    <= (EXT4_GOOD_OLD_INODE_SIZE +          \
        (einode)->i_extra_isize))           \

Definition at line 716 of file ext4.h.

#define EXT4_FL_INHERITED

Value:

(EXT4_SECRM_FL | EXT4_UNRM_FL | EXT4_COMPR_FL |\
               EXT4_SYNC_FL | EXT4_NODUMP_FL | EXT4_NOATIME_FL |\
               EXT4_NOCOMPR_FL | EXT4_JOURNAL_DATA_FL |\
               EXT4_NOTAIL_FL | EXT4_DIRSYNC_FL)

Definition at line 401 of file ext4.h.

#define EXT4_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */

Definition at line 398 of file ext4.h.

#define EXT4_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */

Definition at line 397 of file ext4.h.

#define EXT4_FLEX_SIZE_DIR_ALLOC_SCHEME 4

Definition at line 1554 of file ext4.h.

#define EXT4_FREE_BLOCKS_FORGET 0x0002

Definition at line 580 of file ext4.h.

#define EXT4_FREE_BLOCKS_METADATA 0x0001

Definition at line 579 of file ext4.h.

#define EXT4_FREE_BLOCKS_NO_QUOT_UPDATE 0x0008

Definition at line 582 of file ext4.h.

#define EXT4_FREE_BLOCKS_NOFREE_FIRST_CLUSTER 0x0010

Definition at line 583 of file ext4.h.

#define EXT4_FREE_BLOCKS_NOFREE_LAST_CLUSTER 0x0020

Definition at line 584 of file ext4.h.

#define EXT4_FREE_BLOCKS_VALIDATED 0x0004

Definition at line 581 of file ext4.h.

#define EXT4_FT_BLKDEV 4

Definition at line 1602 of file ext4.h.

#define EXT4_FT_CHRDEV 3

Definition at line 1601 of file ext4.h.

#define EXT4_FT_DIR 2

Definition at line 1600 of file ext4.h.

#define EXT4_FT_DIR_CSUM 0xDE

Definition at line 1609 of file ext4.h.

#define EXT4_FT_FIFO 5

Definition at line 1603 of file ext4.h.

#define EXT4_FT_MAX 8

Definition at line 1607 of file ext4.h.

#define EXT4_FT_REG_FILE 1

Definition at line 1599 of file ext4.h.

#define EXT4_FT_SOCK 6

Definition at line 1604 of file ext4.h.

#define EXT4_FT_SYMLINK 7

Definition at line 1605 of file ext4.h.

#define EXT4_FT_UNKNOWN 0

Definition at line 1598 of file ext4.h.

#define EXT4_GET_BLOCKS_CONVERT 0x0010

Definition at line 561 of file ext4.h.

#define EXT4_GET_BLOCKS_CREATE 0x0001

Definition at line 548 of file ext4.h.

#define EXT4_GET_BLOCKS_CREATE_UNINIT_EXT

Value:

(EXT4_GET_BLOCKS_UNINIT_EXT|\

EXT4_GET_BLOCKS_CREATE)

Definition at line 551 of file ext4.h.

#define EXT4_GET_BLOCKS_DELALLOC_RESERVE 0x0004

Definition at line 556 of file ext4.h.

#define EXT4_GET_BLOCKS_IO_CONVERT_EXT

Value:

(EXT4_GET_BLOCKS_CONVERT|\

EXT4_GET_BLOCKS_CREATE_UNINIT_EXT)

Definition at line 565 of file ext4.h.

#define EXT4_GET_BLOCKS_IO_CREATE_EXT

Value:

(EXT4_GET_BLOCKS_PRE_IO|\

EXT4_GET_BLOCKS_CREATE_UNINIT_EXT)

Definition at line 562 of file ext4.h.

#define EXT4_GET_BLOCKS_KEEP_SIZE 0x0080

Definition at line 572 of file ext4.h.

#define EXT4_GET_BLOCKS_NO_LOCK 0x0100

Definition at line 574 of file ext4.h.

#define EXT4_GET_BLOCKS_NO_NORMALIZE 0x0040

Definition at line 570 of file ext4.h.

#define EXT4_GET_BLOCKS_PRE_IO 0x0008

Definition at line 560 of file ext4.h.

#define EXT4_GET_BLOCKS_PUNCH_OUT_EXT 0x0020

Definition at line 568 of file ext4.h.

#define EXT4_GET_BLOCKS_UNINIT_EXT 0x0002

Definition at line 550 of file ext4.h.

#define EXT4_GOOD_OLD_FIRST_INO 11

Definition at line 239 of file ext4.h.

#define EXT4_GOOD_OLD_INODE_SIZE 128

Definition at line 1421 of file ext4.h.

#define EXT4_GOOD_OLD_REV 0 /* The good old (original) format */

Definition at line 1415 of file ext4.h.

#define EXT4_GRP_QUOTA_INO 4 /* Group quota inode */

Definition at line 232 of file ext4.h.

#define EXT4_HAS_COMPAT_FEATURE	(	sb,
		mask
	)	((EXT4_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask)) != 0)

Definition at line 1427 of file ext4.h.

#define EXT4_HAS_INCOMPAT_FEATURE	(	sb,
		mask
	)	((EXT4_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask)) != 0)

Definition at line 1431 of file ext4.h.

#define EXT4_HAS_RO_COMPAT_FEATURE	(	sb,
		mask
	)	((EXT4_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask)) != 0)

Definition at line 1429 of file ext4.h.

#define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */

Definition at line 391 of file ext4.h.

#define EXT4_IMAGIC_FL 0x00002000 /* AFS directory */

Definition at line 386 of file ext4.h.

#define EXT4_IMMUTABLE_FL 0x00000010 /* Immutable file */

Definition at line 375 of file ext4.h.

#define EXT4_IND_BLOCK EXT4_NDIR_BLOCKS

Definition at line 363 of file ext4.h.

#define EXT4_INDEX_FL 0x00001000 /* hash-indexed directory */

Definition at line 385 of file ext4.h.

#define EXT4_INODE_GET_XTIME	(	xtime,
		inode,
		raw_inode
	)

Value:

do {                                           \
    (inode)->xtime.tv_sec = (signed)le32_to_cpu((raw_inode)->xtime);       \
    if (EXT4_FITS_IN_INODE(raw_inode, EXT4_I(inode), xtime ## _extra))     \
        ext4_decode_extra_time(&(inode)->xtime,                \
                       raw_inode->xtime ## _extra);        \
    else                                       \
        (inode)->xtime.tv_nsec = 0;                    \
} while (0)

Definition at line 754 of file ext4.h.

#define EXT4_INODE_SET_XTIME	(	xtime,
		inode,
		raw_inode
	)

Value:

do {                                           \
    (raw_inode)->xtime = cpu_to_le32((inode)->xtime.tv_sec);           \
    if (EXT4_FITS_IN_INODE(raw_inode, EXT4_I(inode), xtime ## _extra))     \
        (raw_inode)->xtime ## _extra =                     \
                ext4_encode_extra_time(&(inode)->xtime);       \
} while (0)

Definition at line 737 of file ext4.h.

#define EXT4_INODE_SIZE ( s )

Value:

(((s)->s_rev_level == EXT4_GOOD_OLD_REV) ? \
                 EXT4_GOOD_OLD_INODE_SIZE : \
                 (s)->s_inode_size)

Definition at line 272 of file ext4.h.

#define EXT4_INODES_PER_GROUP ( s ) ((s)->s_inodes_per_group)

Definition at line 356 of file ext4.h.

#define EXT4_IO_END_DIRECT 0x0008

Definition at line 188 of file ext4.h.

#define EXT4_IO_END_ERROR 0x0002

Definition at line 186 of file ext4.h.

#define EXT4_IO_END_QUEUED 0x0004

Definition at line 187 of file ext4.h.

#define EXT4_IO_END_UNWRITTEN 0x0001

Definition at line 185 of file ext4.h.

#define EXT4_IOC_ALLOC_DA_BLKS _IO('f', 12)

Definition at line 607 of file ext4.h.

#define EXT4_IOC_GETFLAGS FS_IOC_GETFLAGS

Definition at line 594 of file ext4.h.

#define EXT4_IOC_GETRSVSZ _IOR('f', 5, long)

Definition at line 600 of file ext4.h.

#define EXT4_IOC_GETVERSION _IOR('f', 3, long)

Definition at line 596 of file ext4.h.

#define EXT4_IOC_GETVERSION_OLD FS_IOC_GETVERSION

Definition at line 598 of file ext4.h.

#define EXT4_IOC_GROUP_ADD _IOW('f', 8, struct ext4_new_group_input)

Definition at line 603 of file ext4.h.

#define EXT4_IOC_GROUP_EXTEND _IOW('f', 7, unsigned long)

Definition at line 602 of file ext4.h.

#define EXT4_IOC_MIGRATE _IO('f', 9)

Definition at line 604 of file ext4.h.

#define EXT4_IOC_MOVE_EXT _IOWR('f', 15, struct move_extent)

Definition at line 608 of file ext4.h.

#define EXT4_IOC_RESIZE_FS _IOW('f', 16, __u64)

Definition at line 609 of file ext4.h.

#define EXT4_IOC_SETFLAGS FS_IOC_SETFLAGS

Definition at line 595 of file ext4.h.

#define EXT4_IOC_SETRSVSZ _IOW('f', 6, long)

Definition at line 601 of file ext4.h.

#define EXT4_IOC_SETVERSION _IOW('f', 4, long)

Definition at line 597 of file ext4.h.

#define EXT4_IOC_SETVERSION_OLD FS_IOC_SETVERSION

Definition at line 599 of file ext4.h.

#define EXT4_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */

Definition at line 387 of file ext4.h.

#define EXT4_JOURNAL_INO 8 /* Journal inode */

Definition at line 236 of file ext4.h.

#define EXT4_LINK_MAX 65000

Definition at line 244 of file ext4.h.

#define EXT4_MAP_BOUNDARY (1 << BH_Boundary)

Definition at line 146 of file ext4.h.

#define EXT4_MAP_FLAGS

Value:

(EXT4_MAP_NEW | EXT4_MAP_MAPPED |\
                 EXT4_MAP_UNWRITTEN | EXT4_MAP_BOUNDARY |\
                 EXT4_MAP_UNINIT | EXT4_MAP_FROM_CLUSTER)

Definition at line 156 of file ext4.h.

#define EXT4_MAP_FROM_CLUSTER (1 << BH_AllocFromCluster)

Definition at line 155 of file ext4.h.

#define EXT4_MAP_MAPPED (1 << BH_Mapped)

Definition at line 144 of file ext4.h.

#define EXT4_MAP_NEW (1 << BH_New)

Definition at line 143 of file ext4.h.

#define EXT4_MAP_UNINIT (1 << BH_Uninit)

Definition at line 147 of file ext4.h.

#define EXT4_MAP_UNWRITTEN (1 << BH_Unwritten)

Definition at line 145 of file ext4.h.

#define EXT4_MAX_BLOCK_FILE_PHYS 0xFFFFFFFF

Definition at line 628 of file ext4.h.

#define EXT4_MAX_BLOCK_LOG_SIZE 16

Definition at line 252 of file ext4.h.

#define EXT4_MAX_BLOCK_SIZE 65536

Definition at line 250 of file ext4.h.

#define EXT4_MAX_DESC_SIZE EXT4_MIN_BLOCK_SIZE

Definition at line 345 of file ext4.h.

#define EXT4_MAX_REC_LEN ((1<<16)-1)

Definition at line 1620 of file ext4.h.

#define EXT4_MAX_SUPP_REV EXT4_DYNAMIC_REV

Definition at line 1419 of file ext4.h.

#define EXT4_MB_DELALLOC_RESERVED 0x0400

Definition at line 109 of file ext4.h.

#define EXT4_MB_HINT_BEST 0x0010

Definition at line 97 of file ext4.h.

#define EXT4_MB_HINT_DATA 0x0020

Definition at line 99 of file ext4.h.

#define EXT4_MB_HINT_FIRST 0x0008

Definition at line 95 of file ext4.h.

#define EXT4_MB_HINT_GOAL_ONLY 0x0100

Definition at line 105 of file ext4.h.

#define EXT4_MB_HINT_GROUP_ALLOC 0x0080

Definition at line 103 of file ext4.h.

#define EXT4_MB_HINT_MERGE 0x0001

Definition at line 89 of file ext4.h.

#define EXT4_MB_HINT_METADATA 0x0004

Definition at line 93 of file ext4.h.

#define EXT4_MB_HINT_NOPREALLOC 0x0040

Definition at line 101 of file ext4.h.

#define EXT4_MB_HINT_RESERVED 0x0002

Definition at line 91 of file ext4.h.

#define EXT4_MB_HINT_TRY_GOAL 0x0200

Definition at line 107 of file ext4.h.

#define EXT4_MB_STREAM_ALLOC 0x0800

Definition at line 111 of file ext4.h.

#define EXT4_MB_USE_ROOT_BLOCKS 0x1000

Definition at line 113 of file ext4.h.

#define EXT4_MIN_BLOCK_LOG_SIZE 10

Definition at line 251 of file ext4.h.

#define EXT4_MIN_BLOCK_SIZE 1024

Definition at line 249 of file ext4.h.

#define EXT4_MIN_DESC_SIZE 32

Definition at line 343 of file ext4.h.

#define EXT4_MIN_DESC_SIZE_64BIT 64

Definition at line 344 of file ext4.h.

#define EXT4_MOUNT2_EXPLICIT_DELALLOC

Value:

0x00000001 /* User explicitly

specified delalloc */

Definition at line 977 of file ext4.h.

#define EXT4_MOUNT_BARRIER 0x20000 /* Use block barriers */

Definition at line 963 of file ext4.h.

#define EXT4_MOUNT_BLOCK_VALIDITY 0x20000000 /* Block validity checking */

Definition at line 973 of file ext4.h.

#define EXT4_MOUNT_DATA_ERR_ABORT 0x10000000 /* Abort on file data write */

Definition at line 972 of file ext4.h.

#define EXT4_MOUNT_DATA_FLAGS 0x00C00 /* Mode for data writes: */

Definition at line 954 of file ext4.h.

#define EXT4_MOUNT_DEBUG 0x00008 /* Some debugging messages */

Definition at line 947 of file ext4.h.

#define EXT4_MOUNT_DELALLOC 0x8000000 /* Delalloc support */

Definition at line 971 of file ext4.h.

#define EXT4_MOUNT_DIOREAD_NOLOCK 0x400000 /* Enable support for dio read nolocking */

Definition at line 967 of file ext4.h.

#define EXT4_MOUNT_DISCARD 0x40000000 /* Issue DISCARD requests */

Definition at line 974 of file ext4.h.

#define EXT4_MOUNT_ERRORS_CONT 0x00010 /* Continue on errors */

Definition at line 948 of file ext4.h.

#define EXT4_MOUNT_ERRORS_MASK 0x00070

Definition at line 951 of file ext4.h.

#define EXT4_MOUNT_ERRORS_PANIC 0x00040 /* Panic on errors */

Definition at line 950 of file ext4.h.

#define EXT4_MOUNT_ERRORS_RO 0x00020 /* Remount fs ro on errors */

Definition at line 949 of file ext4.h.

#define EXT4_MOUNT_GRPID 0x00004 /* Create files with directory's group */

Definition at line 946 of file ext4.h.

#define EXT4_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */

Definition at line 966 of file ext4.h.

#define EXT4_MOUNT_INIT_INODE_TABLE 0x80000000 /* Initialize uninitialized itables */

Definition at line 975 of file ext4.h.

#define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT 0x1000000 /* Journal Async Commit */

Definition at line 969 of file ext4.h.

#define EXT4_MOUNT_JOURNAL_CHECKSUM 0x800000 /* Journal checksums */

Definition at line 968 of file ext4.h.

#define EXT4_MOUNT_JOURNAL_DATA 0x00400 /* Write data to journal */

Definition at line 955 of file ext4.h.

#define EXT4_MOUNT_MBLK_IO_SUBMIT 0x4000000 /* multi-block io submits */

Definition at line 970 of file ext4.h.

#define EXT4_MOUNT_MINIX_DF 0x00080 /* Mimics the Minix statfs */

Definition at line 952 of file ext4.h.

#define EXT4_MOUNT_NO_AUTO_DA_ALLOC 0x10000 /* No auto delalloc mapping */

Definition at line 962 of file ext4.h.

#define EXT4_MOUNT_NO_UID32 0x02000 /* Disable 32-bit UIDs */

Definition at line 959 of file ext4.h.

#define EXT4_MOUNT_NOLOAD 0x00100 /* Don't use existing journal*/

Definition at line 953 of file ext4.h.

#define EXT4_MOUNT_ORDERED_DATA 0x00800 /* Flush data before commit */

Definition at line 956 of file ext4.h.

#define EXT4_MOUNT_POSIX_ACL 0x08000 /* POSIX Access Control Lists */

Definition at line 961 of file ext4.h.

#define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */

Definition at line 964 of file ext4.h.

#define EXT4_MOUNT_UPDATE_JOURNAL 0x01000 /* Update the journal format */

Definition at line 958 of file ext4.h.

#define EXT4_MOUNT_USRQUOTA 0x100000 /* "old" user quota */

Definition at line 965 of file ext4.h.

#define EXT4_MOUNT_WRITEBACK_DATA 0x00C00 /* No data ordering */

Definition at line 957 of file ext4.h.

#define EXT4_MOUNT_XATTR_USER 0x04000 /* Extended user attributes */

Definition at line 960 of file ext4.h.

#define EXT4_N_BLOCKS (EXT4_TIND_BLOCK + 1)

Definition at line 366 of file ext4.h.

#define EXT4_NAME_LEN 255

Definition at line 1559 of file ext4.h.

#define EXT4_NDIR_BLOCKS 12

Definition at line 362 of file ext4.h.

#define EXT4_NOATIME_FL 0x00000080 /* do not update atime */

Definition at line 378 of file ext4.h.

#define EXT4_NOCOMPR_FL 0x00000400 /* Don't compress */

Definition at line 382 of file ext4.h.

#define EXT4_NODUMP_FL 0x00000040 /* do not dump file */

Definition at line 377 of file ext4.h.

#define EXT4_NOTAIL_FL 0x00008000 /* file tail should not be merged */

Definition at line 388 of file ext4.h.

#define EXT4_NSEC_MASK (~0UL << EXT4_EPOCH_BITS)

Definition at line 704 of file ext4.h.

#define EXT4_NUM_B2C	(	sbi,
		blks
	)

Value:

(((blks) + (sbi)->s_cluster_ratio - 1) >> \

(sbi)->s_cluster_bits)

Definition at line 286 of file ext4.h.

#define EXT4_ORPHAN_FS 0x0004 /* Orphans being recovered */

Definition at line 934 of file ext4.h.

#define EXT4_OS_FREEBSD 3

Definition at line 1409 of file ext4.h.

#define EXT4_OS_HURD 1

Definition at line 1407 of file ext4.h.

#define EXT4_OS_LINUX 0

Definition at line 1406 of file ext4.h.

#define EXT4_OS_LITES 4

Definition at line 1410 of file ext4.h.

#define EXT4_OS_MASIX 2

Definition at line 1408 of file ext4.h.

#define EXT4_OTHER_FLMASK (EXT4_NODUMP_FL | EXT4_NOATIME_FL)

Definition at line 410 of file ext4.h.

#define EXT4_REG_FLMASK (~(EXT4_DIRSYNC_FL | EXT4_TOPDIR_FL))

Definition at line 407 of file ext4.h.

#define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */

Definition at line 395 of file ext4.h.

#define EXT4_RESIZE_INO 7 /* Reserved group descriptors inode */

Definition at line 235 of file ext4.h.

#define EXT4_ROOT_INO 2 /* Root inode */

Definition at line 230 of file ext4.h.

#define EXT4_S_ERR_END offsetof(struct ext4_super_block, s_mount_opts)

Definition at line 1129 of file ext4.h.

#define EXT4_S_ERR_LEN (EXT4_S_ERR_END - EXT4_S_ERR_START)

Definition at line 1138 of file ext4.h.

#define EXT4_S_ERR_START offsetof(struct ext4_super_block, s_error_count)

Definition at line 1117 of file ext4.h.

#define EXT4_SB ( sb ) (sb)

Definition at line 1398 of file ext4.h.

#define EXT4_SECRM_FL 0x00000001 /* Secure deletion */

Definition at line 371 of file ext4.h.

#define ext4_set_bit __set_bit_le

Definition at line 994 of file ext4.h.

#define ext4_set_bit_atomic ext2_set_bit_atomic

Definition at line 995 of file ext4.h.

#define EXT4_SET_COMPAT_FEATURE	(	sb,
		mask
	)	EXT4_SB(sb)->s_es->s_feature_compat \|= cpu_to_le32(mask)

Definition at line 1433 of file ext4.h.

#define EXT4_SET_INCOMPAT_FEATURE	(	sb,
		mask
	)	EXT4_SB(sb)->s_es->s_feature_incompat \|= cpu_to_le32(mask)

Definition at line 1437 of file ext4.h.

#define EXT4_SET_RO_COMPAT_FEATURE	(	sb,
		mask
	)	EXT4_SB(sb)->s_es->s_feature_ro_compat \|= cpu_to_le32(mask)

Definition at line 1435 of file ext4.h.

#define EXT4_SYNC_FL 0x00000008 /* Synchronous updates */

Definition at line 374 of file ext4.h.

#define ext4_test_and_clear_bit __test_and_clear_bit_le

Definition at line 996 of file ext4.h.

#define ext4_test_and_set_bit __test_and_set_bit_le

Definition at line 993 of file ext4.h.

#define ext4_test_bit test_bit_le

Definition at line 999 of file ext4.h.

#define EXT4_TIND_BLOCK (EXT4_DIND_BLOCK + 1)

Definition at line 365 of file ext4.h.

#define EXT4_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/

Definition at line 390 of file ext4.h.

#define EXT4_UNDEL_DIR_INO 6 /* Undelete directory inode */

Definition at line 234 of file ext4.h.

#define EXT4_UNRM_FL 0x00000002 /* Undelete */

Definition at line 372 of file ext4.h.

#define EXT4_USR_QUOTA_INO 3 /* User quota inode */

Definition at line 231 of file ext4.h.

#define EXT4_VALID_FS 0x0001 /* Unmounted cleanly */

Definition at line 932 of file ext4.h.

#define i_disk_version osd1.linux1.l_i_version

Definition at line 776 of file ext4.h.

#define is_dx ( dir )

Value:

(EXT4_HAS_COMPAT_FEATURE(dir->i_sb, \
                      EXT4_FEATURE_COMPAT_DIR_INDEX) && \
            ext4_test_inode_flag((dir), EXT4_INODE_INDEX))

Definition at line 1664 of file ext4.h.

#define MAX_IO_PAGES 128

Definition at line 195 of file ext4.h.

#define NEXT_ORPHAN ( inode ) EXT4_I(inode)->i_dtime

Definition at line 1401 of file ext4.h.

#define set_opt	(	sb,
		opt
	)

Value:

EXT4_SB(sb)->s_mount_opt |= \

EXT4_MOUNT_##opt

Definition at line 981 of file ext4.h.

#define set_opt2	(	sb,
		opt
	)

Value:

EXT4_SB(sb)->s_mount_opt2 |= \

EXT4_MOUNT2_##opt

Definition at line 988 of file ext4.h.

#define TEST_FLAG_VALUE ( FLAG ) (EXT4_##FLAG##_FL == (1 << EXT4_INODE_##FLAG))

Definition at line 454 of file ext4.h.

#define test_opt	(	sb,
		opt
	)

Value:

(EXT4_SB(sb)->s_mount_opt & \

EXT4_MOUNT_##opt)

Definition at line 983 of file ext4.h.

#define test_opt2	(	sb,
		opt
	)

Value:

(EXT4_SB(sb)->s_mount_opt2 & \

EXT4_MOUNT2_##opt)

Definition at line 990 of file ext4.h.

Typedef Documentation

typedef unsigned long long ext4_fsblk_t

Definition at line 73 of file ext4.h.

typedef unsigned int ext4_group_t

Definition at line 79 of file ext4.h.

typedef int ext4_grpblk_t

Definition at line 70 of file ext4.h.

typedef struct ext4_io_end ext4_io_end_t

typedef __u32 ext4_lblk_t

Definition at line 76 of file ext4.h.

Enumeration Type Documentation

anonymous enum

Enumerator:

EXT4_INODE_SECRM
EXT4_INODE_UNRM
EXT4_INODE_COMPR
EXT4_INODE_SYNC
EXT4_INODE_IMMUTABLE
EXT4_INODE_APPEND
EXT4_INODE_NODUMP
EXT4_INODE_NOATIME
EXT4_INODE_DIRTY
EXT4_INODE_COMPRBLK
EXT4_INODE_NOCOMPR
EXT4_INODE_ECOMPR
EXT4_INODE_INDEX
EXT4_INODE_IMAGIC
EXT4_INODE_JOURNAL_DATA
EXT4_INODE_NOTAIL
EXT4_INODE_DIRSYNC
EXT4_INODE_TOPDIR
EXT4_INODE_HUGE_FILE
EXT4_INODE_EXTENTS
EXT4_INODE_EA_INODE
EXT4_INODE_EOFBLOCKS
EXT4_INODE_RESERVED

Definition at line 426 of file ext4.h.

anonymous enum

Enumerator:

BLOCK_BITMAP
INODE_BITMAP
INODE_TABLE
GROUP_TABLE_COUNT

Definition at line 536 of file ext4.h.

Function Documentation

void ext4_set_bits	(	void *	bm,
		int	cur,
		int	len
	)

Definition at line 1240 of file mballoc.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation