Changeset c00e729 in mainline for uspace/lib/ext2/libext2_superblock.c

Timestamp:

2011-02-13T23:19:12Z (13 years ago)

Author:

Martin Sucha <sucha14@…>

Branches:

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

Children:

f6fa2c2

Parents:

8bd5dad

Message:

Support for some more superblock fields and displaying in ext2info

File:

• uspace/lib/ext2/libext2_superblock.c (modified) (1 diff)

uspace/lib/ext2/libext2_superblock.c

@@ -130 +130 @@
 }
 
+/**
+ * Get filesystem state
+ * 
+ * @param sb pointer to superblock
+ */
+inline uint16_t ext2_superblock_get_state(ext2_superblock_t *sb)
+{
+        return uint16_t_le2host(sb->state);
+}
+
+/**
+ * Get minor revision number
+ * 
+ * @param sb pointer to superblock
+ */
+inline uint16_t ext2_superblock_get_rev_minor(ext2_superblock_t *sb)
+{
+        return uint16_t_le2host(sb->rev_minor);
+}
+
+/**
+ * Get major revision number
+ * 
+ * @param sb pointer to superblock
+ */
+inline uint32_t ext2_superblock_get_rev_major(ext2_superblock_t *sb)
+{
+        return uint32_t_le2host(sb->rev_major);
+}
+
+/**
+ * Get index of first regular inode
+ * 
+ * @param sb pointer to superblock
+ */
+inline uint32_t ext2_superblock_get_first_inode(ext2_superblock_t *sb)
+{
+        if (ext2_superblock_get_rev_major(sb) == 0) {
+                return EXT2_REV0_FIRST_INODE;
+        }
+        return uint32_t_le2host(sb->first_inode);
+}
+
+/**
+ * Get size of inode
+ * 
+ * @param sb pointer to superblock
+ */
+inline uint16_t ext2_superblock_get_inode_size(ext2_superblock_t *sb)
+{
+        if (ext2_superblock_get_rev_major(sb) == 0) {
+                return EXT2_REV0_INODE_SIZE;
+        }
+        return uint32_t_le2host(sb->inode_size);
+}
+
 
 /** Read a superblock directly from device (i.e. no libblock cache)