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

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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
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland





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