# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1680022874 -7200
# Node ID 9bf4d6f92b33021517e349fcf5dea3158a9dd04a
# Parent  2a38d78cb43dd735b279f711893e80ed0e1cadb8
Work around region mapper issues when detaching and attaching dataspaces.

diff -r 2a38d78cb43d -r 9bf4d6f92b33 libext2fs_blockserver/lib/src/blockserver_io.c
--- a/libext2fs_blockserver/lib/src/blockserver_io.c	Tue Mar 28 18:54:01 2023 +0200
+++ b/libext2fs_blockserver/lib/src/blockserver_io.c	Tue Mar 28 19:01:14 2023 +0200
@@ -136,6 +136,11 @@
   if (!client_opened(file))
     return EXT2_ET_BAD_DEVICE_NAME;
 
+  /* NOTE: Map the entire block device to avoid peculiar region mapping issues
+           when detaching and attaching the underlying dataspace. */
+
+  client_mmap(file, 0, file->size, 0, 0, file_region_flags(file->flags));
+
   return blockserver_open_channel(name, file, flags, channel, blockserver_io_manager);
 }