libext2fs: clean up feature test macros with predicate functions

[tools/e2fsprogs.git] / lib / ext2fs / ext2_fs.h

diff --git a/lib/ext2fs/ext2_fs.h b/lib/ext2fs/ext2_fs.h
index cfeaa05..709838d 100644 (file)
--- a/lib/ext2fs/ext2_fs.h
+++ b/lib/ext2fs/ext2_fs.h
@@ -809,6 +809,95 @@ struct ext2_super_block {
 #define EXT4_FEATURE_INCOMPAT_INLINE_DATA      0x8000 /* data in inode */
 #define EXT4_FEATURE_INCOMPAT_ENCRYPT          0x10000
 
+#define EXT4_FEATURE_COMPAT_FUNCS(name, ver, flagname) \
+static inline int ext2fs_has_feature_##name(struct ext2_super_block *sb) \
+{ \
+       return ((EXT2_SB(sb)->s_feature_compat & \
+                EXT##ver##_FEATURE_COMPAT_##flagname) != 0); \
+} \
+static inline void ext2fs_set_feature_##name(struct ext2_super_block *sb) \
+{ \
+       EXT2_SB(sb)->s_feature_compat |= \
+               EXT##ver##_FEATURE_COMPAT_##flagname; \
+} \
+static inline void ext2fs_clear_feature_##name(struct ext2_super_block *sb) \
+{ \
+       EXT2_SB(sb)->s_feature_compat &= \
+               ~EXT##ver##_FEATURE_COMPAT_##flagname; \
+}
+
+#define EXT4_FEATURE_RO_COMPAT_FUNCS(name, ver, flagname) \
+static inline int ext2fs_has_feature_##name(struct ext2_super_block *sb) \
+{ \
+       return ((EXT2_SB(sb)->s_feature_ro_compat & \
+                EXT##ver##_FEATURE_RO_COMPAT_##flagname) != 0); \
+} \
+static inline void ext2fs_set_feature_##name(struct ext2_super_block *sb) \
+{ \
+       EXT2_SB(sb)->s_feature_ro_compat |= \
+               EXT##ver##_FEATURE_RO_COMPAT_##flagname; \
+} \
+static inline void ext2fs_clear_feature_##name(struct ext2_super_block *sb) \
+{ \
+       EXT2_SB(sb)->s_feature_ro_compat &= \
+               ~EXT##ver##_FEATURE_RO_COMPAT_##flagname; \
+}
+
+#define EXT4_FEATURE_INCOMPAT_FUNCS(name, ver, flagname) \
+static inline int ext2fs_has_feature_##name(struct ext2_super_block *sb) \
+{ \
+       return ((EXT2_SB(sb)->s_feature_incompat & \
+                EXT##ver##_FEATURE_INCOMPAT_##flagname) != 0); \
+} \
+static inline void ext2fs_set_feature_##name(struct ext2_super_block *sb) \
+{ \
+       EXT2_SB(sb)->s_feature_incompat |= \
+               EXT##ver##_FEATURE_INCOMPAT_##flagname; \
+} \
+static inline void ext2fs_clear_feature_##name(struct ext2_super_block *sb) \
+{ \
+       EXT2_SB(sb)->s_feature_incompat &= \
+               ~EXT##ver##_FEATURE_INCOMPAT_##flagname; \
+}
+
+EXT4_FEATURE_COMPAT_FUNCS(dir_prealloc,                2, DIR_PREALLOC)
+EXT4_FEATURE_COMPAT_FUNCS(imagic_inodes,       2, IMAGIC_INODES)
+EXT4_FEATURE_COMPAT_FUNCS(journal,             3, HAS_JOURNAL)
+EXT4_FEATURE_COMPAT_FUNCS(xattr,               2, EXT_ATTR)
+EXT4_FEATURE_COMPAT_FUNCS(resize_inode,                2, RESIZE_INODE)
+EXT4_FEATURE_COMPAT_FUNCS(dir_index,           2, DIR_INDEX)
+EXT4_FEATURE_COMPAT_FUNCS(lazy_bg,             2, LAZY_BG)
+EXT4_FEATURE_COMPAT_FUNCS(exclude_bitmap,      2, EXCLUDE_BITMAP)
+EXT4_FEATURE_COMPAT_FUNCS(sparse_super2,       4, SPARSE_SUPER2)
+
+EXT4_FEATURE_RO_COMPAT_FUNCS(sparse_super,     2, SPARSE_SUPER)
+EXT4_FEATURE_RO_COMPAT_FUNCS(large_file,       2, LARGE_FILE)
+EXT4_FEATURE_RO_COMPAT_FUNCS(huge_file,                4, HUGE_FILE)
+EXT4_FEATURE_RO_COMPAT_FUNCS(gdt_csum,         4, GDT_CSUM)
+EXT4_FEATURE_RO_COMPAT_FUNCS(dir_nlink,                4, DIR_NLINK)
+EXT4_FEATURE_RO_COMPAT_FUNCS(extra_isize,      4, EXTRA_ISIZE)
+EXT4_FEATURE_RO_COMPAT_FUNCS(has_snapshot,     4, HAS_SNAPSHOT)
+EXT4_FEATURE_RO_COMPAT_FUNCS(quota,            4, QUOTA)
+EXT4_FEATURE_RO_COMPAT_FUNCS(bigalloc,         4, BIGALLOC)
+EXT4_FEATURE_RO_COMPAT_FUNCS(metadata_csum,    4, METADATA_CSUM)
+EXT4_FEATURE_RO_COMPAT_FUNCS(replica,          4, REPLICA)
+EXT4_FEATURE_RO_COMPAT_FUNCS(readonly,         4, READONLY)
+
+EXT4_FEATURE_INCOMPAT_FUNCS(compression,       2, COMPRESSION)
+EXT4_FEATURE_INCOMPAT_FUNCS(filetype,          2, FILETYPE)
+EXT4_FEATURE_INCOMPAT_FUNCS(journal_needs_recovery,    3, RECOVER)
+EXT4_FEATURE_INCOMPAT_FUNCS(journal_dev,       3, JOURNAL_DEV)
+EXT4_FEATURE_INCOMPAT_FUNCS(meta_bg,           2, META_BG)
+EXT4_FEATURE_INCOMPAT_FUNCS(extents,           3, EXTENTS)
+EXT4_FEATURE_INCOMPAT_FUNCS(64bit,             4, 64BIT)
+EXT4_FEATURE_INCOMPAT_FUNCS(mmp,               4, MMP)
+EXT4_FEATURE_INCOMPAT_FUNCS(flex_bg,           4, FLEX_BG)
+EXT4_FEATURE_INCOMPAT_FUNCS(ea_inode,          4, EA_INODE)
+EXT4_FEATURE_INCOMPAT_FUNCS(dirdata,           4, DIRDATA)
+EXT4_FEATURE_INCOMPAT_FUNCS(largedir,          4, LARGEDIR)
+EXT4_FEATURE_INCOMPAT_FUNCS(inline_data,       4, INLINE_DATA)
+EXT4_FEATURE_INCOMPAT_FUNCS(encrypt,           4, ENCRYPT)
+
 #define EXT2_FEATURE_COMPAT_SUPP       0
 #define EXT2_FEATURE_INCOMPAT_SUPP    (EXT2_FEATURE_INCOMPAT_FILETYPE| \
                                       EXT4_FEATURE_INCOMPAT_MMP)