#define NO_INLINE_FUNCS
#endif
-#ifndef _XOPEN_SOURCE
-#define _XOPEN_SOURCE 600 /* for posix_memalign() */
-#endif
-
/*
* Where the master copy of the superblock is located, and how big
* superblocks are supposed to be. We define SUPERBLOCK_SIZE because
#include <stdlib.h>
#include <string.h>
#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#ifndef __USE_XOPEN2K
-/* If the "#define _XOPEN_SOURCE 600" didn't succeed in declaring
- * posix_memalign(), maybe due to <features.h> or <stdlib.h> included beforej
- * _XOPEN_SOURCE, declare it here to avoid compiler warnings. */
-extern int posix_memalign(void **__memptr, size_t __alignment, size_t __size);
-#endif
#if EXT2_FLAT_INCLUDES
#include "e2_types.h"
#include <ext2fs/ext3_extents.h>
#endif /* EXT2_FLAT_INCLUDES */
-typedef __u32 ext2_ino_t;
-typedef __u32 blk_t;
-typedef __u64 blk64_t;
-typedef __u32 dgrp_t;
-typedef __u32 ext2_off_t;
-typedef __u64 ext2_off64_t;
-typedef __s64 e2_blkcnt_t;
-typedef __u32 ext2_dirhash_t;
+#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;
+typedef __u32 __bitwise dgrp_t;
+typedef __u32 __bitwise ext2_off_t;
+typedef __u64 __bitwise ext2_off64_t;
+typedef __s64 __bitwise e2_blkcnt_t;
+typedef __u32 __bitwise ext2_dirhash_t;
#if EXT2_FLAT_INCLUDES
#include "com_err.h"
#define EXT2_FLAG_PRINT_PROGRESS 0x40000
#define EXT2_FLAG_DIRECT_IO 0x80000
#define EXT2_FLAG_SKIP_MMP 0x100000
+#define EXT2_FLAG_IGNORE_CSUM_ERRORS 0x200000
/*
* Special flag in the ext2 inode i_flag field that means that this is
*/
#define EXT2_MKJOURNAL_V1_SUPER 0x0000001 /* create V1 superblock (deprecated) */
#define EXT2_MKJOURNAL_LAZYINIT 0x0000002 /* don't zero journal inode before use*/
+#define EXT2_MKJOURNAL_NO_MNT_CHECK 0x0000004 /* don't check mount status */
struct opaque_ext2_group_desc;
__u32 umask;
time_t now;
int cluster_ratio_bits;
+ __u16 default_bitmap_type;
+ __u16 pad;
/*
* Reserved for future expansion
*/
- __u32 reserved[6];
+ __u32 reserved[5];
/*
* Reserved for the use of the calling application.
* Time at which e2fsck last updated the MMP block.
*/
long mmp_last_written;
+
+ /* progress operation functions */
+ struct ext2fs_progress_ops *progress_ops;
+
+ /* Precomputed FS UUID checksum for seeding other checksums */
+ __u32 csum_seed;
};
#if EXT2_FLAT_INCLUDES
#endif
/*
+ * 64-bit bitmap backend types
+ */
+#define EXT2FS_BMAP64_BITARRAY 1
+#define EXT2FS_BMAP64_RBTREE 2
+#define EXT2FS_BMAP64_AUTODIR 3
+
+/*
* 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 DIRENT_OTHER_FILE 3
#define DIRENT_DELETED_FILE 4
+#define DIRENT_CHECKSUM 5
/*
* Inode scan definitions
EXT3_FEATURE_COMPAT_HAS_JOURNAL|\
EXT2_FEATURE_COMPAT_RESIZE_INODE|\
EXT2_FEATURE_COMPAT_DIR_INDEX|\
- EXT2_FEATURE_COMPAT_EXT_ATTR)
+ EXT2_FEATURE_COMPAT_EXT_ATTR|\
+ EXT4_FEATURE_COMPAT_SPARSE_SUPER2)
/* This #ifdef is temporary until compression is fully supported */
#ifdef ENABLE_COMPRESSION
environment at configure time. */
#warning "Compression support is experimental"
#endif
-#define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\
- EXT2_FEATURE_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_FEATURE_INCOMPAT_MMP|\
- EXT4_FEATURE_INCOMPAT_64BIT)
+#define EXT2_LIB_INCOMPAT_COMPRESSION EXT2_FEATURE_INCOMPAT_COMPRESSION
+#else
+#define EXT2_LIB_INCOMPAT_COMPRESSION (0)
+#endif
+
+#ifdef CONFIG_MMP
+#define EXT4_LIB_INCOMPAT_MMP EXT4_FEATURE_INCOMPAT_MMP
+#else
+#define EXT4_LIB_INCOMPAT_MMP (0)
+#endif
+
+#ifdef CONFIG_QUOTA
+#define EXT4_LIB_RO_COMPAT_QUOTA EXT4_FEATURE_RO_COMPAT_QUOTA
#else
+#define EXT4_LIB_RO_COMPAT_QUOTA (0)
+#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_FEATURE_INCOMPAT_MMP|\
- EXT4_FEATURE_INCOMPAT_64BIT)
-#endif
-#ifdef CONFIG_QUOTA
+ EXT4_LIB_INCOMPAT_MMP|\
+ EXT4_FEATURE_INCOMPAT_64BIT|\
+ EXT4_FEATURE_INCOMPAT_INLINE_DATA)
+
#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\
EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\
EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\
EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\
EXT4_FEATURE_RO_COMPAT_BIGALLOC|\
- EXT4_FEATURE_RO_COMPAT_QUOTA)
-#else
-#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
- EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\
- EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\
- EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\
- EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\
- EXT4_FEATURE_RO_COMPAT_BIGALLOC)
-#endif
+ EXT4_LIB_RO_COMPAT_QUOTA|\
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
/*
* These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed
* to ext2fs_openfs()
*/
-#define EXT2_LIB_SOFTSUPP_INCOMPAT (0)
-#define EXT2_LIB_SOFTSUPP_RO_COMPAT (EXT4_FEATURE_RO_COMPAT_BIGALLOC)
+#define EXT2_LIB_SOFTSUPP_INCOMPAT (EXT4_FEATURE_INCOMPAT_INLINE_DATA)
+#define EXT2_LIB_SOFTSUPP_RO_COMPAT (EXT4_FEATURE_RO_COMPAT_REPLICA)
/* Translate a block number to a cluster number */
#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)
+{
+ return EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
+ 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,
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);
void *out);
/* blknum.c */
+extern __u32 ext2fs_inode_bitmap_checksum(ext2_filsys fs, dgrp_t group);
+extern __u32 ext2fs_block_bitmap_checksum(ext2_filsys fs, dgrp_t group);
extern dgrp_t ext2fs_group_of_blk2(ext2_filsys fs, blk64_t);
extern blk64_t ext2fs_group_first_block2(ext2_filsys fs, dgrp_t group);
extern blk64_t ext2fs_group_last_block2(ext2_filsys fs, dgrp_t group);
extern struct ext2_group_desc *ext2fs_group_desc(ext2_filsys fs,
struct opaque_ext2_group_desc *gdp,
dgrp_t group);
+extern blk64_t ext2fs_block_bitmap_csum(ext2_filsys fs, dgrp_t group);
extern blk64_t ext2fs_block_bitmap_loc(ext2_filsys fs, dgrp_t group);
extern void ext2fs_block_bitmap_loc_set(ext2_filsys fs, dgrp_t group,
blk64_t blk);
+extern __u32 ext2fs_inode_bitmap_csum(ext2_filsys fs, dgrp_t group);
extern blk64_t ext2fs_inode_bitmap_loc(ext2_filsys fs, dgrp_t group);
extern void ext2fs_inode_bitmap_loc_set(ext2_filsys fs, dgrp_t group,
blk64_t blk);
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 */
extern errcode_t ext2fs_close2(ext2_filsys fs, int flags);
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, int group_block);
+extern int ext2fs_bg_has_super(ext2_filsys fs, dgrp_t group_block);
extern errcode_t ext2fs_super_and_bgd_loc2(ext2_filsys fs,
dgrp_t group,
blk64_t *ret_super_blk,
extern void ext2fs_update_dynamic_rev(ext2_filsys fs);
/* crc32c.c */
-extern __u32 ext2fs_crc32c_be(__u32 crc, unsigned char const *p, size_t len);
+extern __u32 ext2fs_crc32_be(__u32 crc, unsigned char const *p, size_t len);
extern __u32 ext2fs_crc32c_le(__u32 crc, unsigned char const *p, size_t len);
/* csum.c */
+extern errcode_t ext2fs_mmp_csum_set(ext2_filsys fs, struct mmp_struct *mmp);
+extern int ext2fs_mmp_csum_verify(ext2_filsys, struct mmp_struct *mmp);
+extern int ext2fs_verify_csum_type(ext2_filsys fs, struct ext2_super_block *sb);
+extern errcode_t ext2fs_superblock_csum_set(ext2_filsys fs,
+ struct ext2_super_block *sb);
+extern int ext2fs_superblock_csum_verify(ext2_filsys fs,
+ struct ext2_super_block *sb);
+extern errcode_t ext2fs_ext_attr_block_csum_set(ext2_filsys fs,
+ ext2_ino_t inum, blk64_t block,
+ struct ext2_ext_attr_header *hdr);
+extern int ext2fs_ext_attr_block_csum_verify(ext2_filsys fs, ext2_ino_t inum,
+ blk64_t block,
+ struct ext2_ext_attr_header *hdr);
+#define EXT2_DIRENT_TAIL(block, blocksize) \
+ ((struct ext2_dir_entry_tail *)(((char *)(block)) + \
+ (blocksize) - sizeof(struct ext2_dir_entry_tail)))
+
+extern void ext2fs_initialize_dirent_tail(ext2_filsys fs,
+ struct ext2_dir_entry_tail *t);
+extern int ext2fs_dirent_has_tail(ext2_filsys fs,
+ struct ext2_dir_entry *dirent);
+extern int ext2fs_dirent_csum_verify(ext2_filsys fs, ext2_ino_t inum,
+ struct ext2_dir_entry *dirent);
+extern int ext2fs_dir_block_csum_verify(ext2_filsys fs, ext2_ino_t inum,
+ struct ext2_dir_entry *dirent);
+extern errcode_t ext2fs_dir_block_csum_set(ext2_filsys fs, ext2_ino_t inum,
+ struct ext2_dir_entry *dirent);
+extern errcode_t ext2fs_get_dx_countlimit(ext2_filsys fs,
+ struct ext2_dir_entry *dirent,
+ struct ext2_dx_countlimit **cc,
+ int *offset);
+extern errcode_t ext2fs_extent_block_csum_set(ext2_filsys fs,
+ ext2_ino_t inum,
+ struct ext3_extent_header *eh);
+extern int ext2fs_extent_block_csum_verify(ext2_filsys fs,
+ ext2_ino_t inum,
+ struct ext3_extent_header *eh);
+extern errcode_t ext2fs_block_bitmap_csum_set(ext2_filsys fs, dgrp_t group,
+ char *bitmap, int size);
+extern int ext2fs_block_bitmap_csum_verify(ext2_filsys fs, dgrp_t group,
+ char *bitmap, int size);
+extern errcode_t ext2fs_inode_bitmap_csum_set(ext2_filsys fs, dgrp_t group,
+ char *bitmap, int size);
+extern int ext2fs_inode_bitmap_csum_verify(ext2_filsys fs, dgrp_t group,
+ char *bitmap, int size);
+extern errcode_t ext2fs_inode_csum_set(ext2_filsys fs, ext2_ino_t inum,
+ struct ext2_inode_large *inode);
+extern int ext2fs_inode_csum_verify(ext2_filsys fs, ext2_ino_t inum,
+ struct ext2_inode_large *inode);
extern void ext2fs_group_desc_csum_set(ext2_filsys fs, dgrp_t group);
extern int ext2fs_group_desc_csum_verify(ext2_filsys fs, dgrp_t group);
extern errcode_t ext2fs_set_gdt_csum(ext2_filsys fs);
+extern __u16 ext2fs_group_desc_csum(ext2_filsys fs, dgrp_t group);
/* dblist.c */
-
-extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs);
extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist);
extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino,
blk_t blk, int blockcnt);
void *buf, int flags);
extern errcode_t ext2fs_read_dir_block3(ext2_filsys fs, blk64_t block,
void *buf, int flags);
+extern errcode_t ext2fs_read_dir_block4(ext2_filsys fs, blk64_t block,
+ void *buf, int flags, ext2_ino_t ino);
extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block,
void *buf);
extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block,
void *buf, int flags);
extern errcode_t ext2fs_write_dir_block3(ext2_filsys fs, blk64_t block,
void *buf, int flags);
+extern errcode_t ext2fs_write_dir_block4(ext2_filsys fs, blk64_t block,
+ void *buf, int flags, ext2_ino_t ino);
/* dirhash.c */
extern errcode_t ext2fs_dirhash(int version, const char *name, int len,
extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf);
extern errcode_t ext2fs_read_ext_attr2(ext2_filsys fs, blk64_t block,
void *buf);
+extern errcode_t ext2fs_read_ext_attr3(ext2_filsys fs, blk64_t block,
+ void *buf, ext2_ino_t inum);
extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block,
void *buf);
extern errcode_t ext2fs_write_ext_attr2(ext2_filsys fs, blk64_t block,
void *buf);
+extern errcode_t ext2fs_write_ext_attr3(ext2_filsys fs, blk64_t block,
+ void *buf, ext2_ino_t inum);
extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk,
char *block_buf,
int adjust, __u32 *newcount);
extern errcode_t ext2fs_adjust_ea_refcount2(ext2_filsys fs, blk64_t blk,
char *block_buf,
int adjust, __u32 *newcount);
+extern errcode_t ext2fs_adjust_ea_refcount3(ext2_filsys fs, blk64_t blk,
+ 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 void ext2fs_extent_free(ext2_extent_handle_t handle);
extern errcode_t ext2fs_extent_get(ext2_extent_handle_t handle,
int flags, struct ext2fs_extent *extent);
+extern errcode_t ext2fs_extent_node_split(ext2_extent_handle_t handle);
extern errcode_t ext2fs_extent_replace(ext2_extent_handle_t handle, int flags,
struct ext2fs_extent *extent);
extern errcode_t ext2fs_extent_insert(ext2_extent_handle_t handle, int flags,
struct ext2_extent_info *info);
extern errcode_t ext2fs_extent_goto(ext2_extent_handle_t handle,
blk64_t blk);
+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);
/* fileio.c */
extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino,
int flags, ext2_file_t *ret);
extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file);
struct ext2_inode *ext2fs_file_get_inode(ext2_file_t file);
+extern ext2_ino_t ext2fs_file_get_inode_num(ext2_file_t file);
extern errcode_t ext2fs_file_close(ext2_file_t file);
extern errcode_t ext2fs_file_flush(ext2_file_t file);
extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf,
errcode_t magic,
__u32 start, __u32 num,
void *in);
+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);
errcode_t ext2fs_convert_subcluster_bitmap(ext2_filsys fs,
ext2fs_block_bitmap *bitmap);
+/* get_num_dirs.c */
+extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs);
+
/* getsize.c */
extern errcode_t ext2fs_get_device_size(const char *file, int blocksize,
blk_t *retblocks);
blk64_t *retblocks);
/* getsectsize.c */
+extern int ext2fs_get_dio_alignment(int fd);
errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize);
errcode_t ext2fs_get_device_phys_sectsize(const char *file, int *sectsize);
extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount);
errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *);
+/* inline.c */
+
+extern errcode_t ext2fs_get_memalign(unsigned long size,
+ unsigned long align, void *ptr);
+
/* 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,
char *mtpt, int mtlen);
/* punch.c */
+/*
+ * NOTE: This function removes from an inode the blocks "start", "end", and
+ * every block in between.
+ */
extern errcode_t ext2fs_punch(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode *inode,
char *block_buf, blk64_t start,
/* 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);
/* openfs.c */
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,
errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name,
ext2_ino_t ino, int flags);
+/* symlink.c */
+errcode_t ext2fs_symlink(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t ino,
+ const char *name, char *target);
+
/* mmp.c */
errcode_t ext2fs_mmp_read(ext2_filsys fs, blk64_t mmp_blk, void *buf);
errcode_t ext2fs_mmp_write(ext2_filsys fs, blk64_t mmp_blk, void *buf);
errcode_t ext2fs_mmp_init(ext2_filsys fs);
errcode_t ext2fs_mmp_start(ext2_filsys fs);
errcode_t ext2fs_mmp_update(ext2_filsys fs);
+errcode_t ext2fs_mmp_update2(ext2_filsys fs, int immediately);
errcode_t ext2fs_mmp_stop(ext2_filsys fs);
unsigned ext2fs_mmp_new_seq(void);
extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs);
/* 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_swap_ext_attr_header(struct ext2_ext_attr_header *to_header,
struct ext2_inode *f, int hostorder);
extern void ext2fs_swap_mmp(struct mmp_struct *mmp);
+/* unix_io.c */
+extern int ext2fs_open_file(const char *pathname, int flags, mode_t mode);
+extern int ext2fs_stat(const char *path, ext2fs_struct_stat *buf);
+extern int ext2fs_fstat(int fd, ext2fs_struct_stat *buf);
+
/* valid_blk.c */
extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode);
extern int ext2fs_inode_has_valid_blocks2(ext2_filsys fs,
/* inline functions */
+#ifdef NO_INLINE_FUNCS
+extern void ext2fs_init_csum_seed(ext2_filsys fs);
extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr);
-extern errcode_t ext2fs_get_memalign(unsigned long size,
- unsigned long align, void *ptr);
extern errcode_t ext2fs_get_memzero(unsigned long size, void *ptr);
extern errcode_t ext2fs_get_array(unsigned long count,
unsigned long size, void *ptr);
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_open_file(const char *pathname, int flags, mode_t mode);
-extern int ext2fs_stat(const char *path, ext2fs_struct_stat *buf);
-extern int ext2fs_fstat(int fd, ext2fs_struct_stat *buf);
+#endif
/*
* The actual inlined functions definitions themselves...
#ifdef INCLUDE_INLINE_FUNCS
#define _INLINE_ extern
#else
+#if (__STDC_VERSION__ >= 199901L)
+#define _INLINE_ inline
+#else
#ifdef __GNUC__
#define _INLINE_ extern __inline__
#else /* For Watcom C */
#define _INLINE_ extern inline
+#endif /* __GNUC__ */
+#endif /* __STDC_VERSION__ >= 199901L */
#endif
-#endif
+
+_INLINE_ void ext2fs_init_csum_seed(ext2_filsys fs)
+{
+ if (!EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+ return;
+
+ fs->csum_seed = ext2fs_crc32c_le(~0, fs->super->s_uuid,
+ sizeof(fs->super->s_uuid));
+}
#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)
{
}
/*
- * 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);
}
/*
return ((a - 1) / b) + 1;
}
-_INLINE_ int ext2fs_open_file(const char *pathname, int flags, mode_t mode)
+_INLINE_ int ext2fs_dirent_name_len(const struct ext2_dir_entry *entry)
{
- va_list args;
+ return entry->name_len & 0xff;
+}
- if (mode)
-#if defined(HAVE_OPEN64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
- return open64(pathname, flags, mode);
- else
- return open64(pathname, flags);
-#else
- return open(pathname, flags, mode);
- else
- return open(pathname, flags);
-#endif
+_INLINE_ void ext2fs_dirent_set_name_len(struct ext2_dir_entry *entry, int len)
+{
+ entry->name_len = (entry->name_len & 0xff00) | (len & 0xff);
}
-_INLINE_ int ext2fs_stat(const char *path, ext2fs_struct_stat *buf)
+_INLINE_ int ext2fs_dirent_file_type(const struct ext2_dir_entry *entry)
{
-#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
- return stat64(path, buf);
-#else
- return stat(path, buf);
-#endif
+ return entry->name_len >> 8;
}
-_INLINE_ int ext2fs_fstat(int fd, ext2fs_struct_stat *buf)
+_INLINE_ void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type)
{
-#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
- return fstat64(fd, buf);
-#else
- return fstat(fd, buf);
-#endif
+ entry->name_len = (entry->name_len & 0xff) | (type << 8);
}
#undef _INLINE_
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff