#define SUPERBLOCK_OFFSET 1024
#define SUPERBLOCK_SIZE 1024
+#define UUID_STR_SIZE 37
+
/*
* The last ext2fs revision level that this version of the library is
* able to support.
#include <ext2fs/ext3_extents.h>
#endif /* EXT2_FLAT_INCLUDES */
-#ifdef __CHECK_ENDIAN__
-#define __bitwise __attribute__((bitwise))
-#else
-#define __bitwise
-#endif
-
typedef __u32 __bitwise ext2_ino_t;
typedef __u32 __bitwise blk_t;
typedef __u64 __bitwise blk64_t;
/* Precomputed FS UUID checksum for seeding other checksums */
__u32 csum_seed;
+
+ io_channel journal_io;
+ char *journal_name;
};
#if EXT2_FLAT_INCLUDES
/*
* Return flags for the block iterator functions
*/
-#define BLOCK_CHANGED 1
-#define BLOCK_ABORT 2
-#define BLOCK_ERROR 4
+#define BLOCK_CHANGED 1
+#define BLOCK_ABORT 2
+#define BLOCK_ERROR 4
+#define BLOCK_INLINE_DATA_CHANGED 8
/*
* Block interate flags
#define DIRENT_FLAG_INCLUDE_EMPTY 1
#define DIRENT_FLAG_INCLUDE_REMOVED 2
#define DIRENT_FLAG_INCLUDE_CSUM 4
+#define DIRENT_FLAG_INCLUDE_INLINE_DATA 8
#define DIRENT_DOT_FILE 1
#define DIRENT_DOT_DOT_FILE 2
#define EXT2_SF_BAD_EXTRA_BYTES 0x0004
#define EXT2_SF_SKIP_MISSING_ITABLE 0x0008
#define EXT2_SF_DO_LAZY 0x0010
+#define EXT2_SF_WARN_GARBAGE_INODES 0x0020
/*
* ext2fs_check_if_mounted flags
*/
#define BMAP_ALLOC 0x0001
#define BMAP_SET 0x0002
+#define BMAP_UNINIT 0x0004
+#define BMAP_ZERO 0x0008
/*
* Returned flags from ext2fs_bmap
#define EXT2_CHECK_MAGIC(struct, code) \
if ((struct)->magic != (code)) return (code)
-
-/*
- * For ext2 compression support
- */
-#define EXT2FS_COMPRESSED_BLKADDR ((blk_t) -1)
-#define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR)
-
/*
* Features supported by this version of the library
*/
EXT3_FEATURE_COMPAT_HAS_JOURNAL|\
EXT2_FEATURE_COMPAT_RESIZE_INODE|\
EXT2_FEATURE_COMPAT_DIR_INDEX|\
- EXT2_FEATURE_COMPAT_EXT_ATTR)
-
-/* This #ifdef is temporary until compression is fully supported */
-#ifdef ENABLE_COMPRESSION
-#ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL
-/* If the below warning bugs you, then have
- `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your
- environment at configure time. */
- #warning "Compression support is experimental"
-#endif
-#define EXT2_LIB_INCOMPAT_COMPRESSION EXT2_FEATURE_INCOMPAT_COMPRESSION
-#else
-#define EXT2_LIB_INCOMPAT_COMPRESSION (0)
-#endif
+ EXT2_FEATURE_COMPAT_EXT_ATTR|\
+ EXT4_FEATURE_COMPAT_SPARSE_SUPER2)
#ifdef CONFIG_MMP
#define EXT4_LIB_INCOMPAT_MMP EXT4_FEATURE_INCOMPAT_MMP
#endif
#define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\
- EXT2_LIB_INCOMPAT_COMPRESSION|\
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\
EXT2_FEATURE_INCOMPAT_META_BG|\
EXT3_FEATURE_INCOMPAT_RECOVER|\
EXT3_FEATURE_INCOMPAT_EXTENTS|\
EXT4_FEATURE_INCOMPAT_FLEX_BG|\
EXT4_LIB_INCOMPAT_MMP|\
- EXT4_FEATURE_INCOMPAT_64BIT)
+ EXT4_FEATURE_INCOMPAT_64BIT|\
+ EXT4_FEATURE_INCOMPAT_INLINE_DATA|\
+ EXT4_FEATURE_INCOMPAT_ENCRYPT)
#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\
EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\
EXT4_FEATURE_RO_COMPAT_BIGALLOC|\
EXT4_LIB_RO_COMPAT_QUOTA|\
- EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|\
+ EXT4_FEATURE_RO_COMPAT_READONLY)
/*
* These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed
* to ext2fs_openfs()
*/
-#define EXT2_LIB_SOFTSUPP_INCOMPAT (EXT4_FEATURE_INCOMPAT_INLINE_DATA)
+#define EXT2_LIB_SOFTSUPP_INCOMPAT (0)
#define EXT2_LIB_SOFTSUPP_RO_COMPAT (EXT4_FEATURE_RO_COMPAT_REPLICA)
#define EXT2_FLAG_FLUSH_NO_SYNC 1
/*
+ * Modify and iterate extended attributes
+ */
+struct ext2_xattr_handle;
+#define XATTR_ABORT 1
+#define XATTR_CHANGED 2
+
+/*
* function prototypes
*/
static inline int ext2fs_has_group_desc_csum(ext2_filsys fs)
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
}
+/* The LARGE_FILE feature should be set if we have stored files 2GB+ in size */
+static inline int ext2fs_needs_large_file_feature(unsigned long long file_size)
+{
+ return file_size >= 0x80000000ULL;
+}
+
/* alloc.c */
extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode,
ext2fs_inode_bitmap map, ext2_ino_t *ret);
errcode_t (**old)(ext2_filsys fs,
blk64_t goal,
blk64_t *ret));
+blk64_t ext2fs_find_inode_goal(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode *inode, blk64_t lblk);
+#define EXT2_NEWRANGE_FIXED_GOAL (0x1)
+#define EXT2_NEWRANGE_MIN_LENGTH (0x2)
+#define EXT2_NEWRANGE_ALL_FLAGS (0x3)
+errcode_t ext2fs_new_range(ext2_filsys fs, int flags, blk64_t goal,
+ blk64_t len, ext2fs_block_bitmap map, blk64_t *pblk,
+ blk64_t *plen);
+#define EXT2_ALLOCRANGE_FIXED_GOAL (0x1)
+#define EXT2_ALLOCRANGE_ZERO_BLOCKS (0x2)
+#define EXT2_ALLOCRANGE_ALL_FLAGS (0x3)
+errcode_t ext2fs_alloc_range(ext2_filsys fs, int flags, blk64_t goal,
+ blk_t len, blk64_t *ret);
/* alloc_sb.c */
extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs,
int inuse, int isdir);
void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse);
void ext2fs_block_alloc_stats2(ext2_filsys fs, blk64_t blk, int inuse);
+void ext2fs_block_alloc_stats_range(ext2_filsys fs, blk64_t blk,
+ blk_t num, int inuse);
/* alloc_tables.c */
extern errcode_t ext2fs_allocate_tables(ext2_filsys fs);
const struct ext2_inode *inode);
extern void ext2fs_file_acl_block_set(ext2_filsys fs,
struct ext2_inode *inode, blk64_t blk);
+extern errcode_t ext2fs_inode_size_set(ext2_filsys fs, struct ext2_inode *inode,
+ ext2_off64_t size);
/* block.c */
extern errcode_t ext2fs_block_iterate(ext2_filsys fs,
struct ext2_inode *inode,
char *block_buf, int bmap_flags, blk64_t block,
int *ret_flags, blk64_t *phys_blk);
+errcode_t ext2fs_map_cluster_block(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode *inode, blk64_t lblk,
+ blk64_t *pblk);
#if 0
/* bmove.c */
/* closefs.c */
extern errcode_t ext2fs_close(ext2_filsys fs);
extern errcode_t ext2fs_close2(ext2_filsys fs, int flags);
+extern errcode_t ext2fs_close_free(ext2_filsys *fs);
extern errcode_t ext2fs_flush(ext2_filsys fs);
extern errcode_t ext2fs_flush2(ext2_filsys fs, int flags);
extern int ext2fs_bg_has_super(ext2_filsys fs, dgrp_t group_block);
extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist,
int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info,
void *priv_data),
- void *priv_data);
+ void *priv_data);
extern errcode_t ext2fs_dblist_iterate2(ext2_dblist dblist,
int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info,
void *priv_data),
- void *priv_data);
+ void *priv_data);
+extern errcode_t ext2fs_dblist_iterate3(ext2_dblist dblist,
+ int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info,
+ void *priv_data),
+ unsigned long long start,
+ unsigned long long count,
+ void *priv_data);
extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino,
blk_t blk, int blockcnt);
extern errcode_t ext2fs_set_dir_block2(ext2_dblist dblist, ext2_ino_t ino,
void *priv_data),
void *priv_data);
+#if 0
+/* digest_encode.c */
+#define EXT2FS_DIGEST_SIZE EXT2FS_SHA256_LENGTH
+extern int ext2fs_digest_encode(const char *src, int len, char *dst);
+extern int ext2fs_digest_decode(const char *src, int len, char *dst);
+#endif
+
/* dirblock.c */
extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block,
void *buf);
char *block_buf,
int adjust, __u32 *newcount,
ext2_ino_t inum);
+errcode_t ext2fs_xattrs_write(struct ext2_xattr_handle *handle);
+errcode_t ext2fs_xattrs_read(struct ext2_xattr_handle *handle);
+errcode_t ext2fs_xattrs_iterate(struct ext2_xattr_handle *h,
+ int (*func)(char *name, char *value,
+ size_t value_len, void *data),
+ void *data);
+errcode_t ext2fs_xattr_get(struct ext2_xattr_handle *h, const char *key,
+ void **value, size_t *value_len);
+errcode_t ext2fs_xattr_set(struct ext2_xattr_handle *handle,
+ const char *key,
+ const void *value,
+ size_t value_len);
+errcode_t ext2fs_xattr_remove(struct ext2_xattr_handle *handle,
+ const char *key);
+errcode_t ext2fs_xattrs_open(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_xattr_handle **handle);
+errcode_t ext2fs_xattrs_close(struct ext2_xattr_handle **handle);
+errcode_t ext2fs_free_ext_attr(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode_large *inode);
+errcode_t ext2fs_xattrs_count(struct ext2_xattr_handle *handle, size_t *count);
+errcode_t ext2fs_xattr_inode_max_size(ext2_filsys fs, ext2_ino_t ino,
+ size_t *size);
/* extent.c */
extern errcode_t ext2fs_extent_header_verify(void *ptr, int size);
extern errcode_t ext2fs_extent_goto2(ext2_extent_handle_t handle,
int leaf_level, blk64_t blk);
extern errcode_t ext2fs_extent_fix_parents(ext2_extent_handle_t handle);
+size_t ext2fs_max_extent_depth(ext2_extent_handle_t handle);
/* fileio.c */
extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino,
extern errcode_t ext2fs_find_first_zero_generic_bitmap(ext2fs_generic_bitmap bitmap,
__u32 start, __u32 end,
__u32 *out);
+extern errcode_t ext2fs_find_first_set_generic_bitmap(ext2fs_generic_bitmap bitmap,
+ __u32 start, __u32 end,
+ __u32 *out);
/* gen_bitmap64.c */
void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap);
extern errcode_t ext2fs_get_memalign(unsigned long size,
unsigned long align, void *ptr);
+/* inline_data.c */
+extern errcode_t ext2fs_inline_data_init(ext2_filsys fs, ext2_ino_t ino);
+extern errcode_t ext2fs_inline_data_size(ext2_filsys fs, ext2_ino_t ino,
+ size_t *size);
+extern errcode_t ext2fs_inline_data_get(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode *inode,
+ void *buf, size_t *size);
+extern errcode_t ext2fs_inline_data_set(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode *inode,
+ void *buf, size_t size);
+
/* inode.c */
+extern errcode_t ext2fs_create_inode_cache(ext2_filsys fs,
+ unsigned int cache_size);
extern void ext2fs_free_inode_cache(struct ext2_inode_cache *icache);
extern errcode_t ext2fs_flush_icache(ext2_filsys fs);
extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan,
ext2_ino_t *ino,
struct ext2_inode *inode,
int bufsize);
+#define EXT2_INODE_SCAN_DEFAULT_BUFFER_BLOCKS 8
extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks,
ext2_inode_scan *ret_scan);
extern void ext2fs_close_inode_scan(ext2_inode_scan scan);
/* newdir.c */
extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino,
ext2_ino_t parent_ino, char **block);
+extern errcode_t ext2fs_new_dir_inline_data(ext2_filsys fs, ext2_ino_t dir_ino,
+ ext2_ino_t parent_ino, __u32 *iblock);
/* mkdir.c */
extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum,
ext2_filsys journal_dev);
extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t num_blocks,
int flags);
+extern errcode_t ext2fs_add_journal_inode2(ext2_filsys fs, blk_t num_blocks,
+ blk64_t goal, int flags);
extern int ext2fs_default_journal_size(__u64 num_blocks);
+extern int ext2fs_journal_sb_start(int blocksize);
/* openfs.c */
extern errcode_t ext2fs_open(const char *name, int flags, int superblock,
int flags, int superblock,
unsigned int block_size, io_manager manager,
ext2_filsys *ret_fs);
+/*
+ * The dgrp_t argument to these two functions is not actually a group number
+ * but a block number offset within a group table! Convert with the formula
+ * (group_number / groups_per_block).
+ */
extern blk64_t ext2fs_descriptor_block_loc2(ext2_filsys fs,
blk64_t group_block, dgrp_t i);
extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block,
/* res_gdt.c */
extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs);
+/*sha256.c */
+#define EXT2FS_SHA256_LENGTH 32
+#if 0
+extern void ext2fs_sha256(const unsigned char *in, unsigned long in_size,
+ unsigned char out[EXT2FS_SHA256_LENGTH]);
+#endif
+
+/* sha512.c */
+#define EXT2FS_SHA512_LENGTH 64
+extern void ext2fs_sha512(const unsigned char *in, unsigned long in_size,
+ unsigned char out[EXT2FS_SHA512_LENGTH]);
+
/* swapfs.c */
+extern errcode_t ext2fs_dirent_swab_in2(ext2_filsys fs, char *buf, size_t size,
+ int flags);
extern errcode_t ext2fs_dirent_swab_in(ext2_filsys fs, char *buf, int flags);
+extern errcode_t ext2fs_dirent_swab_out2(ext2_filsys fs, char *buf, size_t size,
+ int flags);
extern errcode_t ext2fs_dirent_swab_out(ext2_filsys fs, char *buf, int flags);
extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize,
int has_header);
extern void ext2fs_mark_bb_dirty(ext2_filsys fs);
extern int ext2fs_test_ib_dirty(ext2_filsys fs);
extern int ext2fs_test_bb_dirty(ext2_filsys fs);
-extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk);
-extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino);
+extern dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk);
+extern dgrp_t ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino);
extern blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group);
extern blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group);
extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
struct ext2_inode *inode);
extern unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b);
extern __u64 ext2fs_div64_ceil(__u64 a, __u64 b);
+extern int ext2fs_dirent_name_len(const struct ext2_dir_entry *entry);
+extern void ext2fs_dirent_set_name_len(struct ext2_dir_entry *entry, int len);
+extern int ext2fs_dirent_file_type(const struct ext2_dir_entry *entry);
+extern void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type);
+
#endif
/*
#ifndef EXT2_CUSTOM_MEMORY_ROUTINES
#include <string.h>
/*
- * Allocate memory
+ * Allocate memory. The 'ptr' arg must point to a pointer.
*/
_INLINE_ errcode_t ext2fs_get_mem(unsigned long size, void *ptr)
{
_INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr)
{
- if (count && (-1UL)/count<size)
+ if (count && (~0UL)/count < size)
return EXT2_ET_NO_MEMORY;
return ext2fs_get_mem(count*size, ptr);
}
{
void *pp;
- if (count && (-1UL)/count<size)
+ if (count && (~0UL)/count < size)
return EXT2_ET_NO_MEMORY;
pp = calloc(count, size);
if (!pp)
}
/*
- * Free memory
+ * Free memory. The 'ptr' arg must point to a pointer.
*/
_INLINE_ errcode_t ext2fs_free_mem(void *ptr)
{
}
/*
- * Resize memory
+ * Resize memory. The 'ptr' arg must point to a pointer.
*/
_INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size,
unsigned long size, void *ptr)
/*
* Return the group # of a block
*/
-_INLINE_ int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk)
+_INLINE_ dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk)
{
return ext2fs_group_of_blk2(fs, blk);
}
/*
* Return the group # of an inode number
*/
-_INLINE_ int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino)
+_INLINE_ dgrp_t ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino)
{
return (ino - 1) / fs->super->s_inodes_per_group;
}
*/
_INLINE_ blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group)
{
- return ext2fs_group_first_block2(fs, group);
+ return (blk_t) ext2fs_group_first_block2(fs, group);
}
/*
*/
_INLINE_ blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group)
{
- return ext2fs_group_last_block2(fs, group);
+ return (blk_t) ext2fs_group_last_block2(fs, group);
}
_INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
struct ext2_inode *inode)
{
- return ext2fs_inode_data_blocks2(fs, inode);
+ return (blk_t) ext2fs_inode_data_blocks2(fs, inode);
}
/*
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff