On Thu, May 11, 2023 at 06:17:21PM +0800, renlei1@xxxxxxxxxxxxxxx wrote:
> From: Ren Lei <renlei1@xxxxxxxxxxxxxxx>
>
> If generation is zero, bypass the verification of generation number
> to avoid stale file error. (Be consistent with other fs, such as
> ext4, fat, jfs, etc.)
What code is affected by the gen==0 handles being rejected? Is there a
user program or test case where this is required?
--D
> Signed-off-by: Ren Lei<renlei1@xxxxxxxxxxxxxxx>
> ---
> fs/xfs/xfs_export.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
> index 1064c2342876..cbee32c5ad37 100644
> --- a/fs/xfs/xfs_export.c
> +++ b/fs/xfs/xfs_export.c
> @@ -146,7 +146,7 @@ xfs_nfs_get_inode(
> return ERR_PTR(error);
> }
>
> - if (VFS_I(ip)->i_generation != generation) {
> + if (generation && VFS_I(ip)->i_generation != generation) {
> xfs_irele(ip);
> return ERR_PTR(-ESTALE);
> }
> --
> 2.27.0
>
