lkml.org 
[lkml]   [2019]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: "fs/namei.c: keep track of nd->root refcount status" causes boot panic
On Tue, Sep 03, 2019 at 01:37:19PM +0100, Al Viro wrote:
> On Tue, Sep 03, 2019 at 12:21:36AM -0400, Qian Cai wrote:
> > The linux-next commit "fs/namei.c: keep track of nd->root refcount status” [1] causes boot panic on all
> > architectures here on today’s linux-next (0902). Reverted it will fix the issue.
>
> <swearing>
>
> OK, I see what's going on. Incremental to be folded in:

... or, better yet,

diff --git a/include/linux/namei.h b/include/linux/namei.h
index 20ce2f917ef4..397a08ade6a2 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -37,7 +37,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
#define LOOKUP_NO_REVAL 0x0080
#define LOOKUP_JUMPED 0x1000
#define LOOKUP_ROOT 0x2000
-#define LOOKUP_ROOT_GRABBED 0x4000
+#define LOOKUP_ROOT_GRABBED 0x0008

extern int path_pts(struct path *path);

to avoid breaking out-of-tree stuff for now good reason.
Folded and pushed out.

\
 
 \ /
  Last update: 2019-09-03 15:31    [W:1.322 / U:0.164 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site