Changeset b1178d0 in mainline

Timestamp:

2008-10-26T15:35:26Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

f772105e

Parents:

0f57d0e

Message:

Implement fat_alloc_shadow_clusters().

File:

• uspace/srv/fs/fat/fat_fat.c (modified) (1 diff)

uspace/srv/fs/fat/fat_fat.c

@@ -217 +217 @@
 }
 
-void
-fat_alloc_shadow_clusters(dev_handle_t dev_handle, fat_cluster_t *lifo,
+void fat_alloc_shadow_clusters(dev_handle_t dev_handle, fat_cluster_t *lifo,
     unsigned nclsts)
 {
-        /* TODO */
+        uint8_t fatcnt;
+        uint8_t fatno;
+        unsigned c;
+        block_t *bb;
+
+        bb = block_get(dev_handle, BS_BLOCK, BS_SIZE);
+        fatcnt = FAT_BS(bb)->fatcnt;
+        block_put(bb);
+        
+        for (fatno = FAT1 + 1; fatno < fatcnt; fatno++) {
+                for (c = 0; c < nclsts; c++) {
+                        fat_mark_cluster(dev_handle, fatno, lifo[c],
+                            c == 0 ? FAT_CLST_LAST1 : lifo[c - 1]);
+                }
+        }
 }