On Thu, Apr 06, 2017 at 01:48:50PM -0500, Eric Sandeen wrote:
> This adds a "-r" raw structure dump to stat options, and
> factors the code a bit; statx will also use print_file_info
> and print_xfs_info.
>
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
--D
> ---
>
> diff --git a/io/stat.c b/io/stat.c
> index 3ae9903..770f3c7 100644
> --- a/io/stat.c
> +++ b/io/stat.c
> @@ -59,16 +59,32 @@ filetype(mode_t mode)
> return NULL;
> }
>
> -int
> -stat_f(
> - int argc,
> - char **argv)
> +static int
> +dump_raw_stat(struct stat *st)
> {
> - struct dioattr dio;
> - struct fsxattr fsx, fsxa;
> - struct stat st;
> - int verbose = (argc == 2 && !strcmp(argv[1], "-v"));
> + printf("stat.blksize = %lu\n", st->st_blksize);
> + printf("stat.nlink = %lu\n", st->st_nlink);
> + printf("stat.uid = %u\n", st->st_uid);
> + printf("stat.gid = %u\n", st->st_gid);
> + printf("stat.mode: 0%o\n", st->st_mode);
> + printf("stat.ino = %lu\n", st->st_ino);
> + printf("stat.size = %lu\n", st->st_size);
> + printf("stat.blocks = %lu\n", st->st_blocks);
> + printf("stat.atime.tv_sec = %ld\n", st->st_atim.tv_sec);
> + printf("stat.atime.tv_nsec = %ld\n", st->st_atim.tv_nsec);
> + printf("stat.ctime.tv_sec = %ld\n", st->st_ctim.tv_sec);
> + printf("stat.ctime.tv_nsec = %ld\n", st->st_ctim.tv_nsec);
> + printf("stat.mtime.tv_sec = %ld\n", st->st_mtim.tv_sec);
> + printf("stat.mtime.tv_nsec = %ld\n", st->st_mtim.tv_nsec);
> + printf("stat.rdev_major = %u\n", major(st->st_rdev));
> + printf("stat.rdev_minor = %u\n", minor(st->st_rdev));
> + printf("stat.dev_major = %u\n", major(st->st_dev));
> + printf("stat.dev_minor = %u\n", minor(st->st_dev));
> + return 0;
> +}
>
> +void print_file_info(void)
> +{
> printf(_("fd.path = \"%s\"\n"), file->name);
> printf(_("fd.flags = %s,%s,%s%s%s%s%s\n"),
> file->flags & IO_OSYNC ? _("sync") : _("non-sync"),
> @@ -78,21 +94,13 @@ stat_f(
> file->flags & IO_APPEND ? _(",append-only") : "",
> file->flags & IO_NONBLOCK ? _(",non-block") : "",
> file->flags & IO_TMPFILE ? _(",tmpfile") : "");
> - if (fstat(file->fd, &st) < 0) {
> - perror("fstat");
> - } else {
> - printf(_("stat.ino = %lld\n"), (long long)st.st_ino);
> - printf(_("stat.type = %s\n"), filetype(st.st_mode));
> - printf(_("stat.size = %lld\n"), (long long)st.st_size);
> - printf(_("stat.blocks = %lld\n"), (long long)st.st_blocks);
> - if (verbose) {
> - printf(_("stat.atime = %s"), ctime(&st.st_atime));
> - printf(_("stat.mtime = %s"), ctime(&st.st_mtime));
> - printf(_("stat.ctime = %s"), ctime(&st.st_ctime));
> - }
> - }
> - if (file->flags & IO_FOREIGN)
> - return 0;
> +}
> +
> +void print_xfs_info(int verbose)
> +{
> + struct dioattr dio;
> + struct fsxattr fsx, fsxa;
> +
> if ((xfsctl(file->name, file->fd, FS_IOC_FSGETXATTR, &fsx)) < 0 ||
> (xfsctl(file->name, file->fd, XFS_IOC_FSGETXATTRA, &fsxa)) < 0) {
> perror("FS_IOC_FSGETXATTR");
> @@ -112,6 +120,57 @@ stat_f(
> printf(_("dioattr.miniosz = %u\n"), dio.d_miniosz);
> printf(_("dioattr.maxiosz = %u\n"), dio.d_maxiosz);
> }
> +}
> +
> +int
> +stat_f(
> + int argc,
> + char **argv)
> +{
> + struct stat st;
> + int c, verbose = 0, raw = 0;
> +
> + while ((c = getopt(argc, argv, "rv")) != EOF) {
> + switch (c) {
> + case 'r':
> + raw = 1;
> + break;
> + case 'v':
> + verbose = 1;
> + break;
> + default:
> + return command_usage(&stat_cmd);
> + }
> + }
> +
> + if (raw && verbose)
> + return command_usage(&stat_cmd);
> +
> + if (fstat(file->fd, &st) < 0) {
> + perror("fstat");
> + return 0;
> + }
> +
> + if (raw)
> + return dump_raw_stat(&st);
> +
> + print_file_info();
> +
> + printf(_("stat.ino = %lld\n"), (long long)st.st_ino);
> + printf(_("stat.type = %s\n"), filetype(st.st_mode));
> + printf(_("stat.size = %lld\n"), (long long)st.st_size);
> + printf(_("stat.blocks = %lld\n"), (long long)st.st_blocks);
> + if (verbose) {
> + printf(_("stat.atime = %s"), ctime(&st.st_atime));
> + printf(_("stat.mtime = %s"), ctime(&st.st_mtime));
> + printf(_("stat.ctime = %s"), ctime(&st.st_ctime));
> + }
> +
> + if (file->flags & IO_FOREIGN)
> + return 0;
> +
> + print_xfs_info(verbose);
> +
> return 0;
> }
>
> @@ -175,7 +234,7 @@ stat_init(void)
> stat_cmd.argmin = 0;
> stat_cmd.argmax = 1;
> stat_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
> - stat_cmd.args = _("[-v]");
> + stat_cmd.args = _("[-v|-r]");
> stat_cmd.oneline = _("statistics on the currently open file");
>
> statfs_cmd.name = "statfs";
> diff --git a/man/man8/xfs_io.8 b/man/man8/xfs_io.8
> index 19e1ae4..e384327 100644
> --- a/man/man8/xfs_io.8
> +++ b/man/man8/xfs_io.8
> @@ -872,13 +872,15 @@ Only available in expert mode and requires privileges.
> Force the filesystem to shutdown (with or without flushing the log).
> Only available in expert mode and requires privileges.
> .TP
> -.BR stat " [ " \-v " ]"
> +.BR stat " [ " \-v "|" \-r " ]"
> Selected statistics from
> .BR stat (2)
> and the XFS_IOC_GETXATTR system call on the current file. If the
> .B \-v
> option is specified, the atime (last access), mtime
> -(last modify), and ctime (last change) timestamps are also displayed.
> +(last modify), and ctime (last change) timestamps are also displayed. The
> +.B \-r
> +option dumps raw fields from the stat structure.
> .TP
> .B statfs
> Selected statistics from
>
>
> --
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