Re: next: /dev/root: Can't open blockdev

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On 2/7/2024 4:35 AM, Marek Szyprowski wrote:
Hi Christian,

On 06.02.2024 16:53, Christian Brauner wrote:
On it.
Ok, can you try:
git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.super.debug
please?


I've also encountered this issue during my linux-next daily tests and I
confirm that the above branch works fine.


I've applied the diff between e3bfad989976^2 and the above branch
(bc7cb6c829e2), which looks following:

diff --git a/init/do_mounts.c b/init/do_mounts.c
index 279ad28bf4fb..d8ea839463a5 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -19,6 +19,7 @@
   #include <linux/ramfs.h>
   #include <linux/shmem_fs.h>
   #include <linux/ktime.h>
+#include <linux/task_work.h>

   #include <linux/nfs_fs.h>
   #include <linux/nfs_fs_sb.h>
@@ -208,6 +209,10 @@ void __init mount_root_generic(char *name, char
*pretty_name, int flags)
                                  goto out;
                          case -EACCES:
                          case -EINVAL:
+#ifdef CONFIG_BLOCK
+                               flush_delayed_fput();
+                               task_work_run();
+#endif
                                  continue;
                  }
                  /*


onto next-20240206 and it fixed all boot problems I've observed on my
test farm. :)

Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>

Best regards

We as well encountered this issue during our CI run. The given branch fixes the issues seen in our run.

Tested-by: Srikanth Aithal <sraithal@xxxxxxx>




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