On Wed, Apr 07, 2010 at 03:22:20PM -0700, Linus Torvalds wrote:
>
>
> On Wed, 7 Apr 2010, Al Viro wrote:
> >
> > No, it's not the same thing; the fix is to have nfs ->d_revalidate()
> > return an error on failing open attempt (in insane codepath that has
> > ->d_revalidate() handling open()). Confirmed to work by reporter...
>
> Ok, can you do the proper changelog description and sign-offs etc?
[PATCH] Have nfs ->d_revalidate() report errors properly
If nfs atomic open implementation ends up doing open request from
->d_revalidate() codepath and gets an error from server, return that error
to caller explicitly and don't bother with lookup_instantiate_filp() at all.
->d_revalidate() can return an error itself just fine...
Signed-off-by: Al Viro <[email protected]>
---
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index d79a7b3..fe0cd9e 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2068,8 +2068,7 @@ nfs4_open_revalidate(struct inode *dir, struct dentry
*dentry, int openflags, st
case -EDQUOT:
case -ENOSPC:
case -EROFS:
- lookup_instantiate_filp(nd, (struct dentry
*)state, NULL);
- return 1;
+ return PTR_ERR(state);
default:
goto out_drop;
}
--
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