Changeset 01ab41b in mainline for uspace/lib/ext4/libext4_filesystem.c

Timestamp:

2011-10-03T11:57:14Z (14 years ago)

Author:

Frantisek Princ <frantisek.princ@…>

Branches:

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

Children:

9c0c0e1

Parents:

54935cf6

Message:

added more methods needed during ext4 mounting (also copied from ext2)

File:

• uspace/lib/ext4/libext4_filesystem.c (modified) (2 diffs)

uspace/lib/ext4/libext4_filesystem.c

@@ -37 +37 @@
 
 #include <errno.h>
+#include <malloc.h>
 #include "libext4_filesystem.h"
 
+/**
+ * TODO doxy
+ */
 int ext4_filesystem_init(ext4_filesystem_t *fs, service_id_t service_id)
 {
+
+        int rc;
+        ext4_superblock_t *temp_superblock;
+        size_t block_size;
+
+        fs->device = service_id;
+
+        // TODO block size !!!
+        rc = block_init(EXCHANGE_SERIALIZE, fs->device, 2048);
+        if (rc != EOK) {
+                return rc;
+        }
+
+        rc = ext4_superblock_read_direct(fs->device, &temp_superblock);
+        if (rc != EOK) {
+                block_fini(fs->device);
+                return rc;
+        }
+
+        block_size = ext4_superblock_get_block_size(temp_superblock);
+
+        if (block_size > EXT4_MAX_BLOCK_SIZE) {
+                block_fini(fs->device);
+                return ENOTSUP;
+        }
+
+        rc = block_cache_init(service_id, block_size, 0, CACHE_MODE_WT);
+        if (rc != EOK) {
+                block_fini(fs->device);
+                return rc;
+        }
+
+        fs->superblock = temp_superblock;
+
+
         // TODO
         return EOK;
 }
 
+/**
+ * TODO doxy
+ */
 int ext4_filesystem_check_sanity(ext4_filesystem_t *fs)
 {
-        // TODO
+        int rc;
+
+        rc = ext4_superblock_check_sanity(fs->superblock);
+        if (rc != EOK) {
+                return rc;
+        }
+
         return EOK;
 }
 
+/**
+ * TODO doxy
+ */
 int ext4_filesystem_check_flags(ext4_filesystem_t *fs, bool *o_read_only)
 {
@@ -57 +108 @@
 }
 
+/**
+ * TODO doxy
+ */
 void ext4_filesystem_fini(ext4_filesystem_t *fs)
 {
-        // TODO
+        free(fs->superblock);
+        block_fini(fs->device);
 }