From eabcb26fa4a91d410a6f75a9915a9ebb9f702c6b Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Fri, 6 Oct 2017 09:55:40 +0200 Subject: [PATCH] dasdfmt: Implement '-Y/--yast_mode' Implement an option '-Y' to suppress most output. Signed-off-by: Hannes Reinecke --- dasdfmt/dasdfmt.8 | 7 ++++++- dasdfmt/dasdfmt.c | 27 ++++++++++++++++++++------- dasdfmt/dasdfmt.h | 1 + 3 files changed, 27 insertions(+), 8 deletions(-) Index: s390-tools-2.29.0/dasdfmt/dasdfmt.8 =================================================================== --- s390-tools-2.29.0.orig/dasdfmt/dasdfmt.8 +++ s390-tools-2.29.0/dasdfmt/dasdfmt.8 @@ -7,7 +7,7 @@ dasdfmt \- formatting of DASD (ECKD) disk drives. .SH SYNOPSIS -\fBdasdfmt\fR [-h] [-t] [-v] [-y] [-p] [-Q] [-P] [-m \fIstep\fR] +\fBdasdfmt\fR [-h] [-t] [-v] [-y] [-p] [-Q] [-P] [-Y] [-m \fIstep\fR] .br [-r \fIcylinder\fR] [-b \fIblksize\fR] [-l \fIvolser\fR] [-d \fIlayout\fR] .br @@ -113,6 +113,11 @@ The value will be at least as big as the .br .TP +\fB-Y\fR or \fB--yast_mode\fR +YaST mode; suppress most output. +.br + +.TP \fB-M\fR \fImode\fR or \fB--mode\fR=\fImode\fR Specify the \fImode\fR to be used to format the device. Valid modes are: .RS Index: s390-tools-2.29.0/dasdfmt/dasdfmt.c =================================================================== --- s390-tools-2.29.0.orig/dasdfmt/dasdfmt.c +++ s390-tools-2.29.0/dasdfmt/dasdfmt.c @@ -83,6 +83,7 @@ static struct dasdfmt_globals { int ese; int no_discard; int procnum; + int yast_mode; } g = { .dasd_info = { 0 }, }; @@ -172,6 +173,10 @@ static struct util_opt opt_vec[] = { .option = { "percentage", no_argument, NULL, 'Q' }, .desc = "Show progress in percent", }, + { + .option = { "yast_mode", no_argument, NULL, 'Y' }, + .desc = "YaST mode", + }, UTIL_OPT_SECTION("MISC"), { .option = { "check_host_count", no_argument, NULL, 'C' }, @@ -318,7 +323,9 @@ static void draw_progress(int cyl, unsig } if (g.print_hashmarks && (cyl / g.hashstep - hashcount) != 0) { - printf("%d|", g.procnum); + if (g.yast_mode) + printf("%d|", g.procnum); + else printf("#"); fflush(stdout); hashcount++; } @@ -392,7 +399,7 @@ static void evaluate_format_error(format unsigned int kl = 0; int blksize = cdata->expect.blksize; - if (g.print_progressbar || g.print_hashmarks) + if ((g.print_progressbar || g.print_hashmarks) && !g.yast_mode) printf("\n"); /* @@ -780,8 +787,9 @@ static void check_hashmarks(void) g.hashstep = 10; } - printf("Printing hashmark every %d cylinders.\n", - g.hashstep); + if (!g.yast_mode) + printf("Printing hashmark every %d cylinders.\n", + g.hashstep); } } @@ -1475,17 +1483,19 @@ static void do_format_dasd(volume_label_ break; } - printf("Finished formatting the %s device.\n", g.dev_path); + if (!g.yast_mode) + printf("Finished formatting the %s device.\n", g.dev_path); if (!(g.writenolabel || mode == EXPAND)) dasdfmt_write_labels(vlabel, cylinders, heads); - printf("Rereading the partition table for %s... ", g.dev_path); + if (!g.yast_mode) + printf("Rereading the partition table for %s... ", g.dev_path); err = dasd_reread_partition_table(g.dev_node, 5); if (err != 0) { ERRMSG("%s: error during rereading the partition " "table: %s.\n", prog_name, strerror(err)); - } else { + } else if (!g.yast_mode) { printf("ok\n"); } } @@ -1561,6 +1571,7 @@ void process_dasd(volume_label_t *orig_v error("%s", str); set_geo(&cylinders, &heads); + set_label(&vlabel, &format_params, cylinders); if (g.check) @@ -1570,6 +1581,29 @@ void process_dasd(volume_label_t *orig_v } +static void yast_print_cylinfo(const char *dev_filename) +{ + unsigned int cylinders = -1u; + int fd; + dasd_information2_t dasd_info; + struct dasd_eckd_characteristics *characteristics; + + fd = open(dev_filename, O_RDONLY); + if ((fd != -1) && ( ! ioctl(fd, BIODASDINFO2, &dasd_info))) { + + characteristics = (struct dasd_eckd_characteristics *) &dasd_info.characteristics; + if (characteristics->no_cyl == LV_COMPAT_CYL && characteristics->long_no_cyl) + cylinders = characteristics->long_no_cyl; + else + cylinders = characteristics->no_cyl; + } + + if (fd != -1) + close(fd); + printf("%u\n", cylinders); + fflush(stdout); +} + int main(int argc, char *argv[]) { volume_label_t vlabel; @@ -1706,6 +1740,10 @@ int main(int argc, char *argv[]) case OPT_NODISCARD: g.no_discard = 1; break; + case 'Y': + /* YaST mode */ + g.yast_mode = 1; + break; case 'P': max_parallel = atoi(optarg); break; @@ -1741,6 +1779,21 @@ int main(int argc, char *argv[]) reqsize = DEFAULT_REQUESTSIZE; } +/* If -Y (YaST mode) was specified by the caller, then we need to suppress + * most of all the other output that might be generated. But, we _do_ want + * hashmarks printed so that YaST can track what's going on. If it wasn't + * specified on the command line, set it to a default of 10 cylinders. + */ + if (g.yast_mode) { + g.verbosity = 0; + g.print_progressbar = 0; + g.print_percentage = 0; + if (! g.print_hashmarks) { + g.print_hashmarks = 1; + hashstep_str = "10"; + } + } + if (g.print_hashmarks) PARSE_PARAM_INTO(g.hashstep, hashstep_str, 10, "hashstep"); @@ -1760,6 +1813,12 @@ int main(int argc, char *argv[]) if (numdev > 1 && g.labelspec) error("Specifying a volser to be written doesn't make sense when formatting multiple DASD volumes."); + if (g.yast_mode) { + for (numproc = 0; numproc < numdev; numproc++) + yast_print_cylinfo(g.dev_path_array[numproc]); + + } + for (numproc = 0; numproc < numdev; numproc++) { chpid = fork(); if (chpid == -1 )