Changeset f092718 in mainline for uspace/srv/fs/fat/fat_fat.c

Timestamp:

2010-11-27T17:42:19Z (13 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

a6ba0c9

Parents:

45df59a

Message:

Small-to-large block size translation in block cache.

File:

• uspace/srv/fs/fat/fat_fat.c (modified) (5 diffs)

uspace/srv/fs/fat/fat_fat.c

@@ -671 +671 @@
         int rc;
 
+        printf("fat_sanity_check() begin\n");
+
         /* Check number of FATs. */
         if (bs->fatcnt == 0)
@@ -677 +679 @@
         /* Check total number of sectors. */
 
+        printf("fat_sanity_check() totsec\n");
+
         if (bs->totsec16 == 0 && bs->totsec32 == 0)
                 return ENOTSUP;
+
+        printf("fat_sanity_check() totsec16 vs 32\n");
 
         if (bs->totsec16 != 0 && bs->totsec32 != 0 &&
@@ -684 +690 @@
                 return ENOTSUP;
 
+        printf("fat_sanity_check() media descriptor\n");
+
         /* Check media descriptor. Must be between 0xf0 and 0xff. */
         if ((bs->mdesc & 0xf0) != 0xf0)
                 return ENOTSUP;
 
+        printf("fat_sanity_check() sec_pre_fat\n");
+
         /* Check number of sectors per FAT. */
         if (bs->sec_per_fat == 0)
                 return ENOTSUP;
+
+        printf("fat_sanity_check() root dir size\n");
 
         /*
@@ -705 +717 @@
         /* Check signature of each FAT. */
 
+        printf("fat_sanity_check() FAT signatures\n");
+
         for (fat_no = 0; fat_no < bs->fatcnt; fat_no++) {
+                printf("fat_sanity_check() read cluster 0\n");
                 rc = fat_get_cluster(bs, devmap_handle, fat_no, 0, &e0);
                 if (rc != EOK)
                         return EIO;
 
+                printf("fat_sanity_check() read cluster 1\n");
                 rc = fat_get_cluster(bs, devmap_handle, fat_no, 1, &e1);
                 if (rc != EOK)
                         return EIO;
 
+                printf("fat_sanity_check() check FAT mdesc\n");
                 /* Check that first byte of FAT contains the media descriptor. */
                 if ((e0 & 0xff) != bs->mdesc)
                         return ENOTSUP;
+
+                printf("fat_sanity_check() e0/e1\n");
 
                 /*
@@ -725 +744 @@
                         return ENOTSUP;
         }
+        printf("fat_sanity_check() succeeded\n");
 
         return EOK;