Changeset e15f4d5 in mainline for uspace/app/mkexfat/mkexfat.c

Timestamp:

2012-02-21T19:38:19Z (12 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

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

Children:

55dbaeb

Parents:

207ad8bd

Message:

mkexfat: Try to keep the FAT size under 64 Mb

File:

• uspace/app/mkexfat/mkexfat.c (modified) (2 diffs)

uspace/app/mkexfat/mkexfat.c

@@ -88 +88 @@
             cfg->sector_size;
 
-        /** Number of clusters required to index the entire device, it must
-         * be less then UINT32_MAX.
-         */
         aoff64_t n_req_clusters = volume_bytes / DEFAULT_CLUSTER_SIZE;
         cfg->cluster_size = DEFAULT_CLUSTER_SIZE;
 
         /* Compute the required cluster size to index
-         * the entire storage device.
+         * the entire storage device and to keep the FAT
+         * size less or equal to 64 Mb.
          */
-        while (n_req_clusters > 4000000 &&
+        while (n_req_clusters > 16000000ULL &&
             (cfg->cluster_size < 32 * 1024 * 1024)) {
 
@@ -104 +102 @@
         }
 
+        /* The first two clusters are reserved */
         cfg->total_clusters = n_req_clusters + 2;