Changeset 40cdbec in mainline

Timestamp:

2011-09-24T21:26:24Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

b3bf143, b69e4c0

Parents:

32f623d9

Message:

FAT can be mounted using nolfn mount option.

• With nolfn, FAT will refuse to create LFN entries.
• With nolfn, only 8.3 directory entries will be created.
• nolfn does not have any impact on reading LFN entries.

File:

• uspace/srv/fs/fat/fat_ops.c (modified) (2 diffs)

uspace/srv/fs/fat/fat_ops.c

@@ -871 +871 @@
     aoff64_t *size, unsigned *linkcnt)
 {
-        enum cache_mode cmode;
+        enum cache_mode cmode = CACHE_MODE_WB;
         fat_bs_t *bs;
         fat_instance_t *instance;
@@ -879 +879 @@
         if (!instance)
                 return ENOMEM;
-
         instance->lfn_enabled = true;
 
-        /* Check for option enabling write through. */
-        if (str_cmp(opts, "wtcache") == 0)
-                cmode = CACHE_MODE_WT;
-        else
-                cmode = CACHE_MODE_WB;
+        /* Parse mount options. */
+        char *mntopts = (char *) opts;
+        char *saveptr;
+        char *opt;
+        while ((opt = strtok_r(mntopts, " ,", &saveptr)) != NULL) {
+                if (str_cmp(opt, "wtcache") == 0)
+                        cmode = CACHE_MODE_WT;
+                else if (str_cmp(opt, "nolfn") == 0)
+                        instance->lfn_enabled = false;
+                mntopts = NULL;
+        }
 
         /* initialize libblock */