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| author | Karel Zak | 2011-06-20 16:42:03 +0200 |
|---|---|---|
| committer | Karel Zak | 2011-06-20 16:42:03 +0200 |
| commit | 70db6c7ef464072d2314b5f7457868ebd96efc06 (patch) | |
| tree | 92cc3812ef2700a1c3381908144b6fcce987cadc /misc-utils/blkid.c | |
| parent | libblkid: add debug message (diff) | |
| download | kernel-qcow2-util-linux-70db6c7ef464072d2314b5f7457868ebd96efc06.tar.gz kernel-qcow2-util-linux-70db6c7ef464072d2314b5f7457868ebd96efc06.tar.xz kernel-qcow2-util-linux-70db6c7ef464072d2314b5f7457868ebd96efc06.zip | |
blkid: list all known filesystems/RAIDs (add -k option)
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'misc-utils/blkid.c')
| -rw-r--r-- | misc-utils/blkid.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/misc-utils/blkid.c b/misc-utils/blkid.c index 35b3cd4b9..da13fa941 100644 --- a/misc-utils/blkid.c +++ b/misc-utils/blkid.c @@ -73,6 +73,7 @@ static void usage(int error) " -g garbage collect the blkid cache\n" " -o <format> output format; can be one of:\n" " value, device, list, udev, export or full; (default: full)\n" + " -k list all known filesystems/RAIDs and exit\n" " -s <tag> show specified tag(s) (default show all tags)\n" " -t <token> find device with a specific token (NAME=value pair)\n" " -l look up only first device with token specified by -t\n" @@ -690,7 +691,7 @@ int main(int argc, char **argv) show[0] = NULL; - while ((c = getopt (argc, argv, "c:df:ghilL:n:o:O:ps:S:t:u:U:w:v")) != EOF) + while ((c = getopt (argc, argv, "c:df:ghilL:n:ko:O:ps:S:t:u:U:w:v")) != EOF) switch (c) { case 'c': if (optarg && !*optarg) @@ -736,6 +737,15 @@ int main(int argc, char **argv) case 'g': gc = 1; break; + case 'k': + { + size_t idx = 0; + const char *name = NULL; + + while (blkid_superblocks_get_name(idx++, &name, NULL) == 0) + printf("%s\n", name); + exit(0); + } case 'o': if (!strcmp(optarg, "value")) output_format = OUTPUT_VALUE_ONLY; |