Changeset 9c0c0e1 in mainline for uspace/lib/ext4/libext4_superblock.c

Timestamp:

2011-10-04T12:18:44Z (13 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_superblock.c (modified) (5 diffs)

uspace/lib/ext4/libext4_superblock.c

@@ -45 +45 @@
  * TODO doxy
  */
-uint16_t ext2_superblock_get_magic(ext4_superblock_t *sb)
+uint16_t ext4_superblock_get_magic(ext4_superblock_t *sb)
 {
-        return uint16_t_le2host(sb->s_magic);
+        return uint16_t_le2host(sb->magic);
 }
 
@@ -55 +55 @@
 uint32_t ext4_superblock_get_first_block(ext4_superblock_t *sb)
 {
-        return uint32_t_le2host(sb->s_first_data_block);
+        return uint32_t_le2host(sb->first_data_block);
 }
 
@@ -63 +63 @@
 uint32_t ext4_superblock_get_block_size_log2(ext4_superblock_t *sb)
 {
-        return uint32_t_le2host(sb->s_log_block_size);
+        return uint32_t_le2host(sb->log_block_size);
 }
 
@@ -72 +72 @@
 {
         return 1024 << ext4_superblock_get_block_size_log2(sb);
+}
+
+/**
+ * TODO doxy
+ */
+uint32_t ext4_superblock_get_rev_level(ext4_superblock_t *sb)
+{
+        return uint32_t_le2host(sb->rev_level);
+}
+
+/**
+ * TODO doxy
+ */
+uint32_t ext4_superblock_get_features_compatible(ext4_superblock_t *sb)
+{
+        return uint32_t_le2host(sb->features_compatible);
+}
+
+/**
+ * TODO doxy
+ */
+uint32_t ext4_superblock_get_features_incompatible(ext4_superblock_t *sb)
+{
+        return uint32_t_le2host(sb->features_incompatible);
+}
+
+/**
+ * TODO doxy
+ */
+uint32_t ext4_superblock_get_features_read_only(ext4_superblock_t *sb)
+{
+        return uint32_t_le2host(sb->features_read_only);
 }
 
@@ -107 +139 @@
 int ext4_superblock_check_sanity(ext4_superblock_t *sb)
 {
-        // TODO
+        if (ext4_superblock_get_magic(sb) != EXT4_SUPERBLOCK_MAGIC) {
+                return ENOTSUP;
+        }
+
+        // TODO more checks !!!
+
         return EOK;
 }