Re: [f2fs-dev] [PATCH] fsck.f2fs: clean up codes with IS_INODE()

[Jaegeuk Kim <jaegeuk@kernel.org>]

On 05/28, Chao Yu wrote:
> and use le32_to_cpu() in IS_INODE().
> 
> Signed-off-by: Chao Yu <chao@kernel.org>
> ---
>  fsck/fsck.c  | 7 +++----
>  fsck/mount.c | 4 ++--
>  fsck/node.h  | 3 ++-
>  3 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/fsck/fsck.c b/fsck/fsck.c
> index e6ad71d..a4db2a3 100644
> --- a/fsck/fsck.c
> +++ b/fsck/fsck.c
> @@ -247,7 +247,7 @@ static int is_valid_summary(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
>  		goto out;
>  
>  	/* check its block address */
> -	if (node_blk->footer.nid == node_blk->footer.ino) {
> +	if (IS_INODE(node_blk)) {
>  		int ofs = get_extra_isize(node_blk);
>  
>  		if (ofs + ofs_in_node >= DEF_ADDRS_PER_INODE)
> @@ -447,8 +447,7 @@ static int sanity_check_nid(struct f2fs_sb_info *sbi, u32 nid,
>  				nid, ni->ino, le32_to_cpu(node_blk->footer.ino));
>  		return -EINVAL;
>  	}
> -	if (ntype != TYPE_INODE &&
> -			node_blk->footer.nid == node_blk->footer.ino) {
> +	if (ntype != TYPE_INODE && IS_INODE(node_blk)) {
>  		ASSERT_MSG("nid[0x%x] footer.nid[0x%x] footer.ino[0x%x]",
>  				nid, le32_to_cpu(node_blk->footer.nid),
>  				le32_to_cpu(node_blk->footer.ino));
> @@ -3080,7 +3079,7 @@ static int fsck_reconnect_file(struct f2fs_sb_info *sbi)
>  			ASSERT(err >= 0);
>  
>  			/* reconnection will restore these nodes if needed */
> -			if (node->footer.ino != node->footer.nid) {
> +			if (!IS_INODE(node)) {
>  				DBG(1, "Not support non-inode node [0x%x]\n",
>  				    nid);
>  				continue;
> diff --git a/fsck/mount.c b/fsck/mount.c
> index f1fb525..90ecabf 100644
> --- a/fsck/mount.c
> +++ b/fsck/mount.c
> @@ -2394,7 +2394,7 @@ void update_data_blkaddr(struct f2fs_sb_info *sbi, nid_t nid,
>  	ASSERT(ret >= 0);
>  
>  	/* check its block address */
> -	if (node_blk->footer.nid == node_blk->footer.ino) {
> +	if (IS_INODE(node_blk)) {
>  		int ofs = get_extra_isize(node_blk);
>  
>  		oldaddr = le32_to_cpu(node_blk->i.i_addr[ofs + ofs_in_node]);
> @@ -2409,7 +2409,7 @@ void update_data_blkaddr(struct f2fs_sb_info *sbi, nid_t nid,
>  	}
>  
>  	/* check extent cache entry */
> -	if (node_blk->footer.nid != node_blk->footer.ino) {
> +	if (!IS_INODE(node_blk)) {
>  		get_node_info(sbi, le32_to_cpu(node_blk->footer.ino), &ni);
>  
>  		/* read inode block */
> diff --git a/fsck/node.h b/fsck/node.h
> index 99139b1..2ba7b8c 100644
> --- a/fsck/node.h
> +++ b/fsck/node.h
> @@ -20,7 +20,8 @@
>  
>  static inline int IS_INODE(struct f2fs_node *node)

return bool?

>  {
> -	return ((node)->footer.nid == (node)->footer.ino);
> +	return le32_to_cpu(node->footer.ino) ==
> +			le32_to_cpu(node->footer.nid);

Again, why do we need this conversion which looks uncessary?

>  }
>  
>  static inline unsigned int ADDRS_PER_PAGE(struct f2fs_sb_info *sbi,
> -- 
> 2.40.1


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