Re: [PATCH v3 5/5] dumpe2fs: add JSON output of bad blocks

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Viktor Prutyanov <viktor.prutyanov@xxxxxxxxxxxxx> writes:

> This patch adds output of bad blocks list in JSON format
Looks good. Acked-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>

>
> Signed-off-by: Viktor Prutyanov <viktor.prutyanov@xxxxxxxxxxxxx>
> ---
>  misc/dumpe2fs.c | 19 ++++++++++++++-----
>  1 file changed, 14 insertions(+), 5 deletions(-)
>
> diff --git a/misc/dumpe2fs.c b/misc/dumpe2fs.c
> index dc18d508..819023f5 100644
> --- a/misc/dumpe2fs.c
> +++ b/misc/dumpe2fs.c
> @@ -572,14 +572,19 @@ static void fill_json_desc(struct json_obj *obj, ext2_filsys fs)
>  		free(inode_bitmap);
>  }
>  
> -static void list_bad_blocks(ext2_filsys fs, int dump)
> +static void list_bad_blocks(ext2_filsys fs, int dump, struct json_obj *obj)
>  {
>  	badblocks_list		bb_list = 0;
>  	badblocks_iterate	bb_iter;
>  	blk_t			blk;
>  	errcode_t		retval;
>  	const char		*header, *fmt;
> +	struct json_list	*bb_json_list = NULL;
> +	char	buf[32];
>  
> +	if (obj)
> +		bb_json_list = json_list_create_in_obj(obj, "bad-blocks",
> +			                                   JSON_VAL_STRING);
>  	retval = ext2fs_read_bb_inode(fs, &bb_list);
>  	if (retval) {
>  		com_err("ext2fs_read_bb_inode", retval, 0);
> @@ -598,11 +603,16 @@ static void list_bad_blocks(ext2_filsys fs, int dump)
>  		fmt = ", %u";
>  	}
>  	while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) {
> +		if (bb_json_list) {
> +			snprintf(buf, sizeof(buf), "%u", blk);
> +			json_list_add_str(bb_json_list, buf);
> +			continue;
> +		}
>  		printf(header ? header : fmt, blk);
>  		header = 0;
>  	}
>  	ext2fs_badblocks_list_iterate_end(bb_iter);
> -	if (!dump)
> +	if (!dump && !bb_json_list)
>  		fputc('\n', stdout);
>  	ext2fs_badblocks_list_free(bb_list);
>  }
> @@ -865,7 +875,7 @@ try_open_again:
>  	if (ext2fs_has_feature_64bit(fs->super))
>  		blocks64 = 1;
>  	if (print_badblocks) {
> -		list_bad_blocks(fs, 1);
> +		list_bad_blocks(fs, 1, dump_obj);
>  	} else {
>  		if (grp_only)
>  			goto just_descriptors;
> @@ -886,8 +896,7 @@ try_open_again:
>  		if (ext2fs_has_feature_journal(fs->super) &&
>  		    (fs->super->s_journal_inum != 0))
>  			print_inline_journal_information(fs, dump_obj);
> -		if (!json)
> -			list_bad_blocks(fs, 0);
> +		list_bad_blocks(fs, 0, dump_obj);
>  		if (header_only) {
>  			if (json) {
>  				json_obj_print_json(dump_obj, 0);
> -- 
> 2.14.1



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