Changeset aab85d90 in mainline for uspace/lib/ext4/include

Timestamp:

2018-08-27T14:17:14Z (7 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

c606e33, e43d658

Parents:

8867cf6

git-author:

Jiri Svoboda <jiri@…> (2018-08-26 17:15:23)

git-committer:

Jiri Svoboda <jiri@…> (2018-08-27 14:17:14)

Message:

Basic Ext4 filesystem creation (can only create Ext2-old, 1K blocks).

Location:

uspace/lib/ext4/include/ext4

Files:

• filesystem.h (modified) (3 diffs)
• ialloc.h (modified) (2 diffs)
• superblock.h (modified) (4 diffs)
• types.h (modified) (3 diffs)

uspace/lib/ext4/include/ext4/filesystem.h

@@ -1 +1 @@
 /*
+ * Copyright (c) 2018 Jiri Svoboda
  * Copyright (c) 2011 Martin Sucha
  * Copyright (c) 2012 Frantisek Princ
@@ -40 +41 @@
 
 extern errno_t ext4_filesystem_probe(service_id_t);
+extern errno_t ext4_filesystem_create(service_id_t);
 extern errno_t ext4_filesystem_open(ext4_instance_t *, service_id_t,
     enum cache_mode, aoff64_t *, ext4_filesystem_t **);
@@ -67 +69 @@
 uint32_t ext4_filesystem_bg_get_backup_blocks(ext4_block_group_ref_t *bg);
 uint32_t ext4_filesystem_bg_get_itable_size(ext4_superblock_t *sb,
-    ext4_block_group_ref_t *bg_ref);
+    uint32_t);
 
 #endif

uspace/lib/ext4/include/ext4/ialloc.h

@@ -1 +1 @@
 /*
+ * Copyright (c) 2018 Jiri Svoboda
  * Copyright (c) 2012 Frantisek Princ
  * All rights reserved.
@@ -38 +39 @@
 extern errno_t ext4_ialloc_free_inode(ext4_filesystem_t *, uint32_t, bool);
 extern errno_t ext4_ialloc_alloc_inode(ext4_filesystem_t *, uint32_t *, bool);
+extern errno_t ext4_ialloc_alloc_this_inode(ext4_filesystem_t *, uint32_t,
+    bool);
+
 
 #endif

uspace/lib/ext4/include/ext4/superblock.h

@@ -1 +1 @@
 /*
+ * Copyright (c) 2018 Jiri Svoboda
  * Copyright (c) 2011 Martin Sucha
  * Copyright (c) 2012 Frantisek Princ
@@ -37 +38 @@
 #include <block.h>
 #include <stdint.h>
+#include <uuid.h>
 #include "ext4/types.h"
 
@@ -113 +115 @@
     uint32_t);
 
-extern const uint8_t *ext4_superblock_get_uuid(ext4_superblock_t *);
-extern void ext4_superblock_set_uuid(ext4_superblock_t *, const uint8_t *);
+extern void ext4_superblock_get_uuid(ext4_superblock_t *, uuid_t *);
+extern void ext4_superblock_set_uuid(ext4_superblock_t *, uuid_t *);
 extern const char *ext4_superblock_get_volume_name(ext4_superblock_t *);
 extern void ext4_superblock_set_volume_name(ext4_superblock_t *, const char *);
@@ -162 +164 @@
 extern uint32_t ext4_superblock_get_inodes_in_group(ext4_superblock_t *,
     uint32_t);
+extern errno_t ext4_superblock_create(size_t, uint64_t, ext4_superblock_t **);
+extern uint32_t ext4_superblock_get_group_backup_blocks(ext4_superblock_t *,
+    uint32_t);
 
 #endif

uspace/lib/ext4/include/ext4/types.h

@@ -1 +1 @@
 /*
+ * Copyright (c) 2018 Jiri Svoboda
  * Copyright (c) 2011 Martin Sucha
  * Copyright (c) 2012 Frantisek Princ
@@ -143 +144 @@
 
 
+#define EXT4_GOOD_OLD_REV 0
+#define EXT4_DYNAMIC_REV 1
+
 #define EXT4_SUPERBLOCK_MAGIC   0xEF53
 #define EXT4_SUPERBLOCK_SIZE    1024
@@ -276 +280 @@
 #define EXT4_MAX_BLOCK_SIZE   65536  /* 64 KiB */
 #define EXT4_REV0_INODE_SIZE  128
+#define EXT4_REV0_FIRST_INO   11
 
 #define EXT4_INODE_BLOCK_SIZE  512