diff options
Diffstat (limited to 'util-linux/umount.c')
| -rw-r--r-- | util-linux/umount.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/util-linux/umount.c b/util-linux/umount.c index 4ea15d91b..19f13454b 100644 --- a/util-linux/umount.c +++ b/util-linux/umount.c @@ -12,7 +12,7 @@ #include <mntent.h> #include <getopt.h> -#define OPTION_STRING "flDnravd" +#define OPTION_STRING "flDnravdt:" #define OPT_FORCE 1 #define OPT_LAZY 2 #define OPT_DONTFREELOOP 4 @@ -27,6 +27,7 @@ int umount_main(int argc, char **argv) char path[2*PATH_MAX]; struct mntent me; FILE *fp; + char *fstype = 0; int status = EXIT_SUCCESS; unsigned opt; struct mtab_list { @@ -37,7 +38,7 @@ int umount_main(int argc, char **argv) /* Parse any options */ - opt = getopt32(argc, argv, OPTION_STRING); + opt = getopt32(argc, argv, OPTION_STRING, &fstype); argc -= optind; argv += optind; @@ -61,6 +62,9 @@ int umount_main(int argc, char **argv) bb_error_msg_and_die("cannot open %s", bb_path_mtab_file); } else { while (getmntent_r(fp, &me, path, sizeof(path))) { + /* Match fstype if passed */ + if (fstype && match_fstype(&me, fstype)) + continue; m = xmalloc(sizeof(struct mtab_list)); m->next = mtl; m->device = xstrdup(me.mnt_fsname); @@ -71,7 +75,7 @@ int umount_main(int argc, char **argv) } /* If we're not umounting all, we need at least one argument. */ - if (!(opt & OPT_ALL)) { + if (!(opt & OPT_ALL) && !fstype) { m = 0; if (!argc) bb_show_usage(); } |