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Re: [PATCH v4 12/16] perf header: add a buffer to struct feat_fd

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On Mon, Jun 12, 2017 at 09:29:28PM -0700, David Carrillo-Cisneros wrote:

SNIP

>  /* Return: 0 if succeded, -ERR if failed. */
>  int write_padded(struct feat_fd *ff, const void *bf,
>  		 size_t count, size_t count_aligned)
> @@ -125,13 +151,32 @@ static int do_write_string(struct feat_fd *ff, const char *str)
>  	return write_padded(ff, str, olen, len);
>  }
>  
> -static int __do_read(struct feat_fd *ff, void *addr, ssize_t size)
> +static int __do_read_fd(struct feat_fd *ff, void *addr, ssize_t size)
>  {
> -	ssize_t ret = readn(ff->fd, addr, size);
> +		ssize_t ret = readn(ff->fd, addr, size);
> +
> +		if (ret != size)
> +			return ret < 0 ? (int)ret : -1;
> +		return 0;

extra tab in indent

jirka

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[PATCH v4 00/16] perf tool: add meta-data header support for pipe-mode David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 16/16] perf header: add event desc to pipe-mode header David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 03/16] perf header: fail on write_padded error David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 13/16] perf header: change FEAT_OP* macros David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 02/16] perf header: add PROCESS_STR_FUN macro David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 10/16] perf header: use struct feat_fd in read header records David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 07/16] perf header: use struct feat_fd for print David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 01/16] perf header: encapsulate read and swap David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 04/16] perf util: add const modifier to buf in "writen" function David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 11/16] perf header: make write_pmu_mappings pipe-mode friendly David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 09/16] perf header: don't pass struct perf_file_section to process_##_feat David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
    Re: [PATCH v4 09/16] perf header: don't pass struct  perf_file_section to process_##_feat Jiri Olsa <jolsa@redhat.com> - 2017-06-13 21:00 +0200
      Re: [PATCH v4 09/16] perf header: don't pass struct perf_file_section  to process_##_feat David Carrillo-Cisneros <davidcc@google.com> - 2017-06-14 04:00 +0200
  [PATCH v4 12/16] perf header: add a buffer to struct feat_fd David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
    Re: [PATCH v4 12/16] perf header: add a buffer to struct feat_fd Jiri Olsa <jolsa@redhat.com> - 2017-06-13 21:00 +0200
      Re: [PATCH v4 12/16] perf header: add a buffer to struct feat_fd David Carrillo-Cisneros <davidcc@google.com> - 2017-06-14 04:00 +0200
  [PATCH v4 14/16] perf tool: add show_feature_header to perf_tool David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
    Re: [PATCH v4 14/16] perf tool: add show_feature_header to perf_tool Jiri Olsa <jolsa@redhat.com> - 2017-06-13 21:00 +0200
  [PATCH v4 06/16] perf header: add struct feat_fd for write David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  [PATCH v4 08/16] perf header: use struct feat_fd to process header records David Carrillo-Cisneros <davidcc@google.com> - 2017-06-13 06:40 +0200
  Re: [PATCH v4 00/16] perf tool: add meta-data header support for  pipe-mode Jiri Olsa <jolsa@redhat.com> - 2017-06-13 21:00 +0200
    Re: [PATCH v4 00/16] perf tool: add meta-data header support for pipe-mode David Carrillo-Cisneros <davidcc@google.com> - 2017-06-14 08:50 +0200
  Re: [PATCH v4 00/16] perf tool: add meta-data header support for  pipe-mode Jiri Olsa <jolsa@redhat.com> - 2017-06-13 21:00 +0200
    Re: [PATCH v4 00/16] perf tool: add meta-data header support for pipe-mode David Carrillo-Cisneros <davidcc@google.com> - 2017-06-14 09:00 +0200
      Re: [PATCH v4 00/16] perf tool: add meta-data header support for  pipe-mode Jiri Olsa <jolsa@redhat.com> - 2017-06-14 09:30 +0200
        Re: [PATCH v4 00/16] perf tool: add meta-data header support for pipe-mode David Carrillo-Cisneros <davidcc@google.com> - 2017-06-14 20:40 +0200

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