Hi Wanpeng,
On Mon, Mar 09, 2015 at 11:00:53AM +0800, Wanpeng Li wrote:
> Node/Meta inode numbers are also should not be reused, this patch
> guarantee it.
We don't need to do this, since the mkfs.f2fs assigns block addresses as 1
for node and meta nids in their nat entries.
So, this should not happen.
Otherwise, we should fix any bugs in nat operations.
Thanks,
>
> Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxxxxxx>
> ---
> fs/f2fs/node.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index 4687eae..1a7e925 100644
> --- a/fs/f2fs/node.c
> +++ b/fs/f2fs/node.c
> @@ -1421,7 +1421,7 @@ static int add_free_nid(struct f2fs_sb_info *sbi, nid_t nid, bool build)
> return -1;
>
> /* 0 nid should not be used */
> - if (unlikely(nid == 0))
> + if (unlikely(nid == 0 || nid == 1 || nid == 2))
> return 0;
>
> if (build) {
> --
> 1.9.1
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