Changeset 6ebe721 in mainline for uspace/srv/fs/fat/fat_fat.c

Timestamp:

2009-06-17T22:07:42Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

4e1b57d

Parents:

34ca870

Message:

Use fibril synchronization in FAT.

File:

• uspace/srv/fs/fat/fat_fat.c (modified) (4 diffs)

uspace/srv/fs/fat/fat_fat.c

@@ -46 +46 @@
 #include <align.h>
 #include <assert.h>
-#include <futex.h>
+#include <fibril_sync.h>
 #include <mem.h>
 
 /**
- * The fat_alloc_lock futex protects all copies of the File Allocation Table
+ * The fat_alloc_lock mutex protects all copies of the File Allocation Table
  * during allocation of clusters. The lock does not have to be held durring
  * deallocation of clusters.
  */  
-static futex_t fat_alloc_lock = FUTEX_INITIALIZER;
+static FIBRIL_MUTEX_INITIALIZE(fat_alloc_lock);
 
 /** Walk the cluster chain.
@@ -327 +327 @@
          * Search FAT1 for unused clusters.
          */
-        futex_down(&fat_alloc_lock);
+        fibril_mutex_lock(&fat_alloc_lock);
         for (b = 0, cl = 0; b < sf; b++) {
                 blk = block_get(dev_handle, rscnt + b, BLOCK_FLAGS_NONE);
@@ -351 +351 @@
                                         *lcl = lifo[0];
                                         free(lifo);
-                                        futex_up(&fat_alloc_lock);
+                                        fibril_mutex_unlock(&fat_alloc_lock);
                                         return EOK;
                                 }
@@ -358 +358 @@
                 block_put(blk);
         }
-        futex_up(&fat_alloc_lock);
+        fibril_mutex_unlock(&fat_alloc_lock);
 
         /*