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btrfs-progs: fi usage, add switches to set output units 

Same set of options as 'fi df': binary and decimal bases, human readable
options etc.

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba 2014-12-17 18:11:58 +01:00
parent 8e27f8ee91
commit 14e5f687fb
1 changed files with 53 additions and 11 deletions
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64
cmds-fi-disk_usage.c
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@ -21,6 +21,7 @@
#include <sys/ioctl.h>
#include <errno.h>
#include <stdarg.h>
#include <getopt.h>
#include "utils.h"
#include "kerncompat.h"
@ -844,31 +845,72 @@ out:
}
const char * const cmd_filesystem_usage_usage[] = {
"btrfs filesystem usage [-b][-t] <path> [<path>..]",
"Show in which disk the chunks are allocated.",
"",
"-b\tSet byte as unit",
"-T\tShow data in tabular format",
"btrfs filesystem usage [options] <path> [<path>..]",
"Show detailed information about internal filesystem usage .",
"-b|--raw raw numbers in bytes",
"-h human friendly numbers, base 1024 (default)",
"-H human friendly numbers, base 1000",
"--iec use 1024 as a base (KiB, MiB, GiB, TiB)",
"--si use 1000 as a base (kB, MB, GB, TB)",
"-k|--kbytes show sizes in KiB, or kB with --si",
"-m|--mbytes show sizes in MiB, or MB with --si",
"-g|--gbytes show sizes in GiB, or GB with --si",
"-t|--tbytes show sizes in TiB, or TB with --si",
"-T show data in tabular format",
NULL
};
int cmd_filesystem_usage(int argc, char **argv)
{
int mode = UNITS_HUMAN;
unsigned unit_mode = UNITS_DEFAULT;
int ret = 0;
int i, more_than_one = 0;
int tabular = 0;
optind = 1;
while (1) {
int c = getopt(argc, argv, "bT");
int long_index;
static const struct option long_options[] = {
{ "raw", no_argument, NULL, 'b'},
{ "kbytes", no_argument, NULL, 'k'},
{ "mbytes", no_argument, NULL, 'm'},
{ "gbytes", no_argument, NULL, 'g'},
{ "tbytes", no_argument, NULL, 't'},
{ "si", no_argument, NULL, 256},
{ "iec", no_argument, NULL, 257},
};
int c = getopt_long(argc, argv, "bhHkmgtT", long_options,
&long_index);
if (c < 0)
break;
switch (c) {
case 'b':
mode = UNITS_RAW;
unit_mode = UNITS_RAW;
break;
case 'k':
units_set_base(&unit_mode, UNITS_KBYTES);
break;
case 'm':
units_set_base(&unit_mode, UNITS_MBYTES);
break;
case 'g':
units_set_base(&unit_mode, UNITS_GBYTES);
break;
case 't':
units_set_base(&unit_mode, UNITS_TBYTES);
break;
case 'h':
unit_mode = UNITS_HUMAN_BINARY;
break;
case 'H':
unit_mode = UNITS_HUMAN_DECIMAL;
break;
case 256:
units_set_mode(&unit_mode, UNITS_DECIMAL);
break;
case 257:
units_set_mode(&unit_mode, UNITS_BINARY);
break;
case 'T':
tabular = 1;
@ -905,12 +947,12 @@ int cmd_filesystem_usage(int argc, char **argv)
goto cleanup;
ret = print_filesystem_usage_overall(fd, chunkinfo, chunkcount,
devinfo, devcount, argv[i], mode);
devinfo, devcount, argv[i], unit_mode);
if (ret)
goto cleanup;
printf("\n");
ret = print_filesystem_usage_by_chunk(fd, chunkinfo, chunkcount,
devinfo, devcount, argv[i], mode, tabular);
devinfo, devcount, argv[i], unit_mode, tabular);
cleanup:
close_file_or_dir(fd, dirstream);
free(chunkinfo);