diff options
Diffstat (limited to 'lib/ext2fs/ext2fs.h')
| -rw-r--r-- | lib/ext2fs/ext2fs.h | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h index b5477c10..72c60d2b 100644 --- a/lib/ext2fs/ext2fs.h +++ b/lib/ext2fs/ext2fs.h @@ -532,6 +532,7 @@ typedef struct ext2_struct_inode_scan *ext2_inode_scan; #define EXT2_MF_READONLY 4 #define EXT2_MF_SWAP 8 #define EXT2_MF_BUSY 16 +#define EXT2_MF_EXTFS 32 /* * Ext2/linux mode flags. We define them here so that we don't need @@ -633,7 +634,8 @@ typedef struct ext2_icount *ext2_icount_t; EXT2_FEATURE_COMPAT_EXT_ATTR|\ EXT4_FEATURE_COMPAT_SPARSE_SUPER2|\ EXT4_FEATURE_COMPAT_FAST_COMMIT|\ - EXT4_FEATURE_COMPAT_STABLE_INODES) + EXT4_FEATURE_COMPAT_STABLE_INODES|\ + EXT4_FEATURE_COMPAT_ORPHAN_FILE) #ifdef CONFIG_MMP #define EXT4_LIB_INCOMPAT_MMP EXT4_FEATURE_INCOMPAT_MMP @@ -668,7 +670,8 @@ typedef struct ext2_icount *ext2_icount_t; EXT4_FEATURE_RO_COMPAT_READONLY |\ EXT4_FEATURE_RO_COMPAT_PROJECT |\ EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS |\ - EXT4_FEATURE_RO_COMPAT_VERITY) + EXT4_FEATURE_RO_COMPAT_VERITY |\ + EXT4_FEATURE_RO_COMPAT_ORPHAN_PRESENT) /* * These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed @@ -1295,6 +1298,8 @@ extern errcode_t ext2fs_adjust_ea_refcount3(ext2_filsys fs, blk64_t blk, 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_read_inode(struct ext2_xattr_handle *handle, + struct ext2_inode_large *inode); errcode_t ext2fs_xattrs_iterate(struct ext2_xattr_handle *h, int (*func)(char *name, char *value, size_t value_len, void *data), @@ -1706,6 +1711,19 @@ errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); +/* orphan.c */ +extern errcode_t ext2fs_create_orphan_file(ext2_filsys fs, blk_t num_blocks); +extern errcode_t ext2fs_truncate_orphan_file(ext2_filsys fs); +extern e2_blkcnt_t ext2fs_default_orphan_file_blocks(ext2_filsys fs); +extern __u32 ext2fs_do_orphan_file_block_csum(ext2_filsys fs, ext2_ino_t ino, + __u32 gen, blk64_t blk, + char *buf); +extern errcode_t ext2fs_orphan_file_block_csum_set(ext2_filsys fs, + ext2_ino_t ino, blk64_t blk, + char *buf); +extern int ext2fs_orphan_file_block_csum_verify(ext2_filsys fs, ext2_ino_t ino, + blk64_t blk, char *buf); + /* get_pathname.c */ extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, char **name); @@ -1859,7 +1877,9 @@ 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); extern struct ext2_inode *ext2fs_inode(struct ext2_inode_large * large_inode); extern const struct ext2_inode *ext2fs_const_inode(const struct ext2_inode_large * large_inode); - +extern int ext2fs_inodes_per_orphan_block(ext2_filsys fs); +extern struct ext4_orphan_block_tail *ext2fs_orphan_block_tail(ext2_filsys fs, + char *buf); #endif /* @@ -2169,6 +2189,19 @@ ext2fs_const_inode(const struct ext2_inode_large * large_inode) return (const struct ext2_inode *) large_inode; } +_INLINE_ int ext2fs_inodes_per_orphan_block(ext2_filsys fs) +{ + return (fs->blocksize - sizeof(struct ext4_orphan_block_tail)) / + sizeof(__u32); +} + +_INLINE_ struct ext4_orphan_block_tail * +ext2fs_orphan_block_tail(ext2_filsys fs, char *buf) +{ + return (struct ext4_orphan_block_tail *)(buf + fs->blocksize - + sizeof(struct ext4_orphan_block_tail)); +} + #undef _INLINE_ #endif |