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Diffstat (limited to 'sbin/fsck_msdosfs/dosfs.h')
-rw-r--r--sbin/fsck_msdosfs/dosfs.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/sbin/fsck_msdosfs/dosfs.h b/sbin/fsck_msdosfs/dosfs.h
index bd01b2423119..485b3a15e668 100644
--- a/sbin/fsck_msdosfs/dosfs.h
+++ b/sbin/fsck_msdosfs/dosfs.h
@@ -30,7 +30,9 @@
#ifndef DOSFS_H
#define DOSFS_H
-#define DOSBOOTBLOCKSIZE 512
+/* support 4Kn disk reads */
+#define DOSBOOTBLOCKSIZE_REAL 512
+#define DOSBOOTBLOCKSIZE 4096
typedef u_int32_t cl_t; /* type holding a cluster number */