diff options
| -rw-r--r-- | util-linux/umount.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/util-linux/umount.c b/util-linux/umount.c index b45cd8a6b..e2329f8b3 100644 --- a/util-linux/umount.c +++ b/util-linux/umount.c @@ -57,6 +57,7 @@ //usage: IF_FEATURE_MOUNT_LOOP( //usage: "\n -d Free loop device if it has been used" //usage: ) +//usage: "\n -t FSTYPE[,...] Unmount only these filesystem type(s)" //usage: //usage:#define umount_example_usage //usage: "$ umount /dev/hdc1\n" @@ -81,8 +82,8 @@ static struct mntent *getmntent_r(FILE* stream, struct mntent* result, } #endif -/* ignored: -c -v -t -i */ -#define OPTION_STRING "fldnra" "cvt:i" +/* ignored: -c -v -i */ +#define OPTION_STRING "fldnrat:" "cvi" #define OPT_FORCE (1 << 0) // Same as MNT_FORCE #define OPT_LAZY (1 << 1) // Same as MNT_DETACH #define OPT_FREELOOP (1 << 2) @@ -143,7 +144,8 @@ int umount_main(int argc UNUSED_PARAM, char **argv) } // If we're not umounting all, we need at least one argument. - if (!(opt & OPT_ALL) && !fstype) { + // Note: "-t FSTYPE" does not imply -a. + if (!(opt & OPT_ALL)) { if (!argv[0]) bb_show_usage(); m = NULL; |