Changeset c25e39b in mainline for uspace/lib/ext4/libext4_superblock.c

Timestamp:

2011-10-31T15:21:09Z (14 years ago)

Author:

Frantisek Princ <frantisek.princ@…>

Branches:

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

Children:

a9a0982

Parents:

c83a55c

Message:

bugfix, TODO resolving

File:

• uspace/lib/ext4/libext4_superblock.c (modified) (3 diffs)

uspace/lib/ext4/libext4_superblock.c

@@ -190 +190 @@
 }
 
+uint16_t ext4_superblock_get_desc_size(ext4_superblock_t *sb)
+{
+        uint16_t size = uint16_t_le2host(sb->desc_size);
+
+        if (size < EXT4_BLOCK_MIN_GROUP_DESCRIPTOR_SIZE) {
+                size = EXT4_BLOCK_MIN_GROUP_DESCRIPTOR_SIZE;
+        }
+
+        return size;
+}
+
 uint32_t ext4_superblock_get_flags(ext4_superblock_t *sb)
 {
@@ -197 +208 @@
 
 /*
- * More complex superblock functions
+ * More complex superblock operations
  */
 
@@ -207 +218 @@
         return false;
 }
+
+// Feature checkers
+bool ext4_superblock_has_feature_compatible(ext4_superblock_t *sb, uint32_t feature)
+{
+        if (ext4_superblock_get_features_compatible(sb) & feature) {
+                return true;
+        }
+        return false;
+}
+
+bool ext4_superblock_has_feature_incompatible(ext4_superblock_t *sb, uint32_t feature)
+{
+        if (ext4_superblock_get_features_incompatible(sb) & feature) {
+                return true;
+        }
+        return false;
+}
+
+bool ext4_superblock_has_feature_read_only(ext4_superblock_t *sb, uint32_t feature)
+{
+        if (ext4_superblock_get_features_read_only(sb) & feature) {
+                return true;
+        }
+        return false;
+}
+
 
 int ext4_superblock_read_direct(service_id_t service_id,