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| author | Karel Zak | 2010-12-27 22:12:55 +0100 |
|---|---|---|
| committer | Karel Zak | 2011-01-03 12:28:48 +0100 |
| commit | 462363888283fa14db5ded75728632df237e5196 (patch) | |
| tree | b218bf98fe367c60b3a3e0e3ba7dbcbb703dd586 /misc-utils/findmnt.c | |
| parent | libblkid: support LIBBLKID_DEBUG= env. (diff) | |
| download | kernel-qcow2-util-linux-462363888283fa14db5ded75728632df237e5196.tar.gz kernel-qcow2-util-linux-462363888283fa14db5ded75728632df237e5196.tar.xz kernel-qcow2-util-linux-462363888283fa14db5ded75728632df237e5196.zip | |
findmnt: add MAJ:MIN
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'misc-utils/findmnt.c')
| -rw-r--r-- | misc-utils/findmnt.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/misc-utils/findmnt.c b/misc-utils/findmnt.c index ff0e12663..4b9d45baa 100644 --- a/misc-utils/findmnt.c +++ b/misc-utils/findmnt.c @@ -59,6 +59,7 @@ enum { COL_FS_OPTIONS, COL_LABEL, COL_UUID, + COL_MAJMIN, __NCOLUMNS }; @@ -81,10 +82,12 @@ struct colinfo infos[__NCOLUMNS] = { [COL_FS_OPTIONS] = { "FS-OPTIONS", 0.10, TRUE }, [COL_LABEL] = { "LABEL", 0.10, FALSE }, [COL_UUID] = { "UUID", 36, FALSE }, + [COL_MAJMIN] = { "MAJ:MIN", 6, FALSE }, }; /* global flags */ int flags; +int tt_flags = 0; /* array with IDs of enabled columns */ int columns[__NCOLUMNS]; @@ -209,7 +212,9 @@ static const char *get_tag(mnt_fs *fs, const char *tagname) return res; } -/* reads FS data from libmount */ +/* reads FS data from libmount + * TODO: add function that will deallocate data allocated by get_data() + */ static const char *get_data(mnt_fs *fs, int num) { const char *str = NULL; @@ -258,6 +263,20 @@ static const char *get_data(mnt_fs *fs, int num) case COL_LABEL: str = get_tag(fs, "LABEL"); break; + case COL_MAJMIN: + { + dev_t devno = mnt_fs_get_devno(fs); + if (devno) { + char *tmp; + int rc = 0; + if (tt_flags & TT_FL_RAW) + rc = asprintf(&tmp, "%u:%u", major(devno), minor(devno)); + else + rc = asprintf(&tmp, "%3u:%-3u", major(devno), minor(devno)); + if (rc) + str = tmp; + } + } default: break; } @@ -452,7 +471,7 @@ static void __attribute__((__noreturn__)) usage(FILE *out) " -f, --first-only print the first found filesystem only\n" " -h, --help print this help\n" " -i, --invert invert sense of matching\n" - " -l, --list use list format ouput\n" + " -l, --list use list format output\n" " -n, --noheadings don't print headings\n" " -u, --notruncate don't truncate text in columns\n" " -O, --options <list> limit the set of filesystems by mount options\n" @@ -497,7 +516,6 @@ int main(int argc, char *argv[]) /* table.h */ struct tt *tt = NULL; - int tt_flags = 0; int i, c, nlines = 0, rc = EXIT_FAILURE; |