Changeset 377cce8 in mainline for uspace/srv/fs/fat/fat_ops.c

Timestamp:

2010-07-25T21:08:47Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

746f623

Parents:

c621f4aa

Message:

Start to cache the FAT node's last cluster in fat_node_t and change
fat_append/chop_clusters() to make use of the cached value.

File:

• uspace/srv/fs/fat/fat_ops.c (modified) (3 diffs)

uspace/srv/fs/fat/fat_ops.c

@@ -101 +101 @@
         node->refcnt = 0;
         node->dirty = false;
+        node->lastc_cached_valid = false;
+        node->lastc_cached_value = FAT_CLST_LAST1;
 }
 
@@ -691 +693 @@
                 return rc;
         }
-        rc = fat_append_clusters(bs, parentp, mcl);
+        rc = fat_append_clusters(bs, parentp, mcl, lcl);
         if (rc != EOK) {
                 (void) fat_free_clusters(bs, parentp->idx->dev_handle, mcl);
@@ -1438 +1440 @@
                  * node's cluster chain.
                  */
-                rc = fat_append_clusters(bs, nodep, mcl);
+                rc = fat_append_clusters(bs, nodep, mcl, lcl);
                 if (rc != EOK) {
                         (void) fat_free_clusters(bs, dev_handle, mcl);