Changeset 85065 in vbox for trunk/src/VBox/Additions

Timestamp:

Jul 6, 2020 11:12:22 AM (4 years ago)

Author:

vboxsync

Message:

Additions/linux/sharedfolders: Assign our own backing device information up to and including Linux kernel 4.11.x

Starting with kernel 4.12.0 the newly introduced super_setup_bdi_name() is used but before we have to assign our own bdi
to prevent the default noop one from being used which has page writeback disabled for example making the mmap() FsPerf tests fail
on those kernels (Ubuntu 16.04.03 for example), bugref:9172

File:

• trunk/src/VBox/Additions/linux/sharedfolders/vfsmod.c (modified) (1 diff)

trunk/src/VBox/Additions/linux/sharedfolders/vfsmod.c

@@ -422 +422 @@
 # endif  /* 4.11.0 > version >= 2.6.24 */
 
-# if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34) && LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)
+# if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34) && LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0)
     if (!rc)
         sb->s_bdi = bdi;