Since nodev FSs have no backing block device, it's unreasonable to try and resolve the source back to a path on the filesystem. Always trust the source of the FS given in /etc/fstab to avoid remounting the device when a directory of the same name exists in the current working directory. Example reproduction: # mkdir /foo # echo 'foo /foo tmpfs defaults 0 0' >> /etc/fstab # mount -a # cd /root; mkdir foo # mount -a # mount | grep /foo foo on /foo type tmpfs (rw,relatime) /root/foo on /foo type tmpfs (rw,relatime) Signed-off-by: Dave Reisner <dreisner@xxxxxxxxxxxxx> --- libmount/src/tab.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/libmount/src/tab.c b/libmount/src/tab.c index 2bc49e3..da3677f 100644 --- a/libmount/src/tab.c +++ b/libmount/src/tab.c @@ -45,6 +45,7 @@ #include "mountP.h" #include "strutils.h" +#include "utils.h" /** * mnt_new_table: @@ -841,6 +842,8 @@ int mnt_table_is_fs_mounted(struct libmnt_table *tb, struct libmnt_fs *fstab_fs) src_fs = mnt_table_get_fs_root(tb, fstab_fs, flags, &root); if (src_fs) src = mnt_fs_get_srcpath(src_fs); + else if (mnt_fstype_is_pseudofs(mnt_fs_get_fstype(fstab_fs))) + src = mnt_fs_get_source(fstab_fs); else src = mnt_resolve_spec(mnt_fs_get_source(fstab_fs), tb->cache); -- 1.7.8.1 -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
