Changeset 85ff862 in mainline

Timestamp:

2011-09-18T21:22:03Z (13 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

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

Children:

f1d6866

Parents:

f456ab2

Message:

Currently MFS does not support minix filesystems where the size of a zone is not equal to the size
of a block.

Refuse to mount the filesystem if the "log2_zone_size" field of the superblock is not zero.

File:

• uspace/srv/fs/mfs/mfs_ops.c (modified) (1 diff)

uspace/srv/fs/mfs/mfs_ops.c

@@ -249 +249 @@
                                     MFS_MAX_NAME_LEN;
         }
+
+        if (sbi->log2_zone_size != 0) {
+                /* In MFS, file space is allocated per zones.
+                 * Zones are a collection of consecutive blocks on disk.
+                 *
+                 * The current MFS implementation supports only filesystems
+                 * where the size of a zone is equal to the
+                 * size of a block.
+                 */
+                rc = ENOTSUP;
+                goto out_error;
+        }
+
         sbi->itable_off = 2 + sbi->ibmap_blocks + sbi->zbmap_blocks;