diff options
Diffstat (limited to 'lib/ext2fs/ext2_fs.h')
| -rw-r--r-- | lib/ext2fs/ext2_fs.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/lib/ext2fs/ext2_fs.h b/lib/ext2fs/ext2_fs.h index 01d2573b..0fc9c09a 100644 --- a/lib/ext2fs/ext2_fs.h +++ b/lib/ext2fs/ext2_fs.h @@ -773,7 +773,8 @@ struct ext2_super_block { __u8 s_last_error_errcode; /*27c*/ __le16 s_encoding; /* Filename charset encoding */ __le16 s_encoding_flags; /* Filename charset encoding flags */ - __le32 s_reserved[95]; /* Padding to the end of the block */ + __le32 s_orphan_file_inum; /* Inode for tracking orphan inodes */ + __le32 s_reserved[94]; /* Padding to the end of the block */ /*3fc*/ __u32 s_checksum; /* crc32c(superblock) */ }; @@ -828,7 +829,7 @@ struct ext2_super_block { #define EXT4_FEATURE_COMPAT_SPARSE_SUPER2 0x0200 #define EXT4_FEATURE_COMPAT_FAST_COMMIT 0x0400 #define EXT4_FEATURE_COMPAT_STABLE_INODES 0x0800 - +#define EXT4_FEATURE_COMPAT_ORPHAN_FILE 0x1000 #define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 #define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 @@ -851,6 +852,7 @@ struct ext2_super_block { #define EXT4_FEATURE_RO_COMPAT_PROJECT 0x2000 /* Project quota */ #define EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS 0x4000 #define EXT4_FEATURE_RO_COMPAT_VERITY 0x8000 +#define EXT4_FEATURE_RO_COMPAT_ORPHAN_PRESENT 0x10000 #define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001 #define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 @@ -931,6 +933,7 @@ EXT4_FEATURE_COMPAT_FUNCS(exclude_bitmap, 2, EXCLUDE_BITMAP) EXT4_FEATURE_COMPAT_FUNCS(sparse_super2, 4, SPARSE_SUPER2) EXT4_FEATURE_COMPAT_FUNCS(fast_commit, 4, FAST_COMMIT) EXT4_FEATURE_COMPAT_FUNCS(stable_inodes, 4, STABLE_INODES) +EXT4_FEATURE_COMPAT_FUNCS(orphan_file, 4, ORPHAN_FILE) EXT4_FEATURE_RO_COMPAT_FUNCS(sparse_super, 2, SPARSE_SUPER) EXT4_FEATURE_RO_COMPAT_FUNCS(large_file, 2, LARGE_FILE) @@ -947,6 +950,7 @@ EXT4_FEATURE_RO_COMPAT_FUNCS(readonly, 4, READONLY) EXT4_FEATURE_RO_COMPAT_FUNCS(project, 4, PROJECT) EXT4_FEATURE_RO_COMPAT_FUNCS(shared_blocks, 4, SHARED_BLOCKS) EXT4_FEATURE_RO_COMPAT_FUNCS(verity, 4, VERITY) +EXT4_FEATURE_RO_COMPAT_FUNCS(orphan_present, 4, ORPHAN_PRESENT) EXT4_FEATURE_INCOMPAT_FUNCS(compression, 2, COMPRESSION) EXT4_FEATURE_INCOMPAT_FUNCS(filetype, 2, FILETYPE) @@ -1114,6 +1118,14 @@ static inline unsigned int ext2fs_dir_rec_len(__u8 name_len, return rec_len; } +#define EXT4_ORPHAN_BLOCK_MAGIC 0x0b10ca04 + +/* Structure at the tail of orphan block */ +struct ext4_orphan_block_tail { + __u32 ob_magic; + __u32 ob_checksum; +}; + /* * Constants for ext4's extended time encoding */ |