#define EXT2_FLAG_64BITS 0x20000
#define EXT2_FLAG_PRINT_PROGRESS 0x40000
#define EXT2_FLAG_DIRECT_IO 0x80000
+#define EXT2_FLAG_SKIP_MMP 0x100000
/*
* Special flag in the ext2 inode i_flag field that means that this is
io_channel image_io;
/*
+ * Buffers for Multiple mount protection(MMP) block.
+ */
+ void *mmp_buf;
+ void *mmp_cmp;
+ int mmp_fd;
+
+ /*
+ * Time at which e2fsck last updated the MMP block.
+ */
+ long mmp_last_written;
+
+ /*
* More callback functions
*/
errcode_t (*get_alloc_block)(ext2_filsys fs, blk64_t goal,
EXT3_FEATURE_INCOMPAT_RECOVER|\
EXT3_FEATURE_INCOMPAT_EXTENTS|\
EXT4_FEATURE_INCOMPAT_FLEX_BG|\
+ EXT4_FEATURE_INCOMPAT_MMP|\
EXT4_FEATURE_INCOMPAT_64BIT)
#else
#define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\
EXT3_FEATURE_INCOMPAT_RECOVER|\
EXT3_FEATURE_INCOMPAT_EXTENTS|\
EXT4_FEATURE_INCOMPAT_FLEX_BG|\
+ EXT4_FEATURE_INCOMPAT_MMP|\
EXT4_FEATURE_INCOMPAT_64BIT)
#endif
#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
#define EXT2FS_NUM_B2C(fs, blks) (((blks) + EXT2FS_CLUSTER_MASK(fs)) >> \
(fs)->cluster_ratio_bits)
-#ifdef HAVE_OPEN64
+#if defined(HAVE_STAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
typedef struct stat64 ext2fs_struct_stat;
#else
typedef struct stat ext2fs_struct_stat;
#endif
/*
+ * For ext2fs_close2() and ext2fs_flush2(), this flag allows you to
+ * avoid the fsync call.
+ */
+#define EXT2_FLAG_FLUSH_NO_SYNC 1
+
+/*
* function prototypes
*/
/* closefs.c */
extern errcode_t ext2fs_close(ext2_filsys fs);
+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 errcode_t ext2fs_super_and_bgd_loc2(ext2_filsys fs,
dgrp_t group,
extern void ext2fs_update_dynamic_rev(ext2_filsys fs);
/* crc32c.c */
-extern __u32 crc32c_be(__u32 crc, unsigned char const *p, size_t len);
-extern __u32 crc32c_le(__u32 crc, unsigned char const *p, size_t len);
+extern __u32 ext2fs_crc32c_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 void ext2fs_group_desc_csum_set(ext2_filsys fs, dgrp_t group);
errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name,
ext2_ino_t ino, int flags);
+/* 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_clear(ext2_filsys fs);
+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_stop(ext2_filsys fs);
+unsigned ext2fs_mmp_new_seq();
+
/* read_bb.c */
extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs,
ext2_badblocks_list *bb_list);
int bufsize);
extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t,
struct ext2_inode *f, int hostorder);
+extern void ext2fs_swap_mmp(struct mmp_struct *mmp);
/* valid_blk.c */
extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode);
extern __u64 ext2fs_div64_ceil(__u64 a, __u64 b);
extern int ext2fs_open_file(const char *pathname, int flags, ...);
extern int ext2fs_stat(const char *path, ext2fs_struct_stat *buf);
+extern int ext2fs_fstat(int fd, ext2fs_struct_stat *buf);
/*
* The actual inlined functions definitions themselves...
va_end(args);
if (mode)
-#ifdef HAVE_OPEN64
+#if defined(HAVE_OPEN64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
return open64(pathname, flags, mode);
else
return open64(pathname, flags);
_INLINE_ int ext2fs_stat(const char *path, ext2fs_struct_stat *buf)
{
-#ifdef HAVE_OPEN64
+#if defined(HAVE_STAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
return stat64(path, buf);
#else
- return open(path, buf);
+ return stat(path, buf);
+#endif
+}
+
+_INLINE_ int ext2fs_fstat(int fd, ext2fs_struct_stat *buf)
+{
+#if defined(HAVE_STAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
+ return fstat64(fd, buf);
+#else
+ return fstat(fd, buf);
#endif
}