Re: [PATCH] nfs_unlink() race (was: nfs_refresh_inode: inode number mismatch)

[Frank Cusack]

On Wed, Jun 11, 2003 at 08:26:52PM +0200, Trond Myklebust wrote:
> diff -u --recursive --new-file linux-2.4.21-rc6/fs/namei.c linux/fs/namei.c
> --- linux-2.4.21-rc6/fs/namei.c	2002-12-30 09:39:54.000000000 -0800
> +++ linux/fs/namei.c	2003-06-11 11:16:49.000000000 -0700
> @@ -633,7 +633,8 @@
>  		 * Check the cached dentry for staleness.
>  		 */
>  		dentry = nd->dentry;
> -		if (dentry && dentry->d_op && dentry->d_op->d_revalidate) {

Doesn't the above simply always revalidate?

> +		if (dentry && dentry->d_sb
> +		    && (dentry->d_sb->s_type->fs_flags & FS_ALWAYS_REVAL)) {
>  			err = -ESTALE;
>  			if (!dentry->d_op->d_revalidate(dentry, 0)) {
>  				d_invalidate(dentry);

/fc