Changeset 9c0c0e1 in mainline for uspace/lib/ext4/libext4_filesystem.h

Timestamp:

2011-10-04T12:18:44Z (14 years ago)

Author:

Frantisek Princ <frantisek.princ@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a23297c

Parents:

01ab41b

Message:

part of code needed for successful mount (porting from ext2)

File:

• uspace/lib/ext4/libext4_filesystem.h (modified) (1 diff)

uspace/lib/ext4/libext4_filesystem.h

@@ -42 +42 @@
 } ext4_filesystem_t;
 
-// TODO constant value
-#define EXT4_MAX_BLOCK_SIZE             8096
+#define EXT4_MAX_BLOCK_SIZE 65536 //64 KiB
+
+
+/* Compatible features */
+// TODO features comments !!!
+#define EXT4_FEATURE_COMPAT_DIR_PREALLOC        0x0001
+#define EXT4_FEATURE_COMPAT_IMAGIC_INODES       0x0002
+#define EXT4_FEATURE_COMPAT_HAS_JOURNAL         0x0004
+#define EXT4_FEATURE_COMPAT_EXT_ATTR            0x0008
+#define EXT4_FEATURE_COMPAT_RESIZE_INODE        0x0010
+#define EXT4_FEATURE_COMPAT_DIR_INDEX           0x0020
+
+/* Read-only compatible features */
+// TODO features comments !!!
+#define EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER     0x0001
+#define EXT4_FEATURE_RO_COMPAT_LARGE_FILE       0x0002
+#define EXT4_FEATURE_RO_COMPAT_BTREE_DIR        0x0004
+#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE        0x0008
+#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM         0x0010
+#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK        0x0020
+#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE      0x0040
+
+/* Incompatible features */
+// TODO features comments !!!
+#define EXT4_FEATURE_INCOMPAT_COMPRESSION       0x0001
+#define EXT4_FEATURE_INCOMPAT_FILETYPE          0x0002
+#define EXT4_FEATURE_INCOMPAT_RECOVER           0x0004 /* Needs recovery */
+#define EXT4_FEATURE_INCOMPAT_JOURNAL_DEV       0x0008 /* Journal device */
+#define EXT4_FEATURE_INCOMPAT_META_BG           0x0010
+#define EXT4_FEATURE_INCOMPAT_EXTENTS           0x0040 /* extents support */
+#define EXT4_FEATURE_INCOMPAT_64BIT             0x0080
+#define EXT4_FEATURE_INCOMPAT_MMP               0x0100
+#define EXT4_FEATURE_INCOMPAT_FLEX_BG           0x0200
+#define EXT4_FEATURE_INCOMPAT_EA_INODE          0x0400 /* EA in inode */
+#define EXT4_FEATURE_INCOMPAT_DIRDATA           0x1000 /* data in dirent */
+
+
+// TODO MODIFY features corresponding with implementation
+#define EXT4_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR
+
+#define EXT4_FEATURE_INCOMPAT_SUPP      (EXT4_FEATURE_INCOMPAT_FILETYPE| \
+                                         EXT4_FEATURE_INCOMPAT_RECOVER| \
+                                         EXT4_FEATURE_INCOMPAT_META_BG| \
+                                         EXT4_FEATURE_INCOMPAT_EXTENTS| \
+                                         EXT4_FEATURE_INCOMPAT_64BIT| \
+                                         EXT4_FEATURE_INCOMPAT_FLEX_BG)
+
+#define EXT4_FEATURE_RO_COMPAT_SUPP     (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
+                                         EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
+                                         EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \
+                                         EXT4_FEATURE_RO_COMPAT_DIR_NLINK | \
+                                         EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE | \
+                                         EXT4_FEATURE_RO_COMPAT_BTREE_DIR |\
+                                         EXT4_FEATURE_RO_COMPAT_HUGE_FILE)
+
 
 extern int ext4_filesystem_init(ext4_filesystem_t *, service_id_t);
 extern int ext4_filesystem_check_sanity(ext4_filesystem_t *fs);
-extern int ext4_filesystem_check_flags(ext4_filesystem_t *, bool *);
+extern int ext4_filesystem_check_features(ext4_filesystem_t *, bool *);
 extern void ext4_filesystem_fini(ext4_filesystem_t *fs);