mount命令要在应用程序里面做很多
[root@T-bagwell ~]# strace mount -t ext4 /dev/sdc1 /mntexecve("/bin/mount", ["mount...", "-t", "ext4", "/dev/sdc1", "/mnt"], [/* 26 vars */]) = 0brk(0) = 0xb894c000……stat64("/sbin/mount.ext4...[root@T-bagwell ~]# strace mount -t ext4 -o remount /dev/sdc1 /mntexecve("/bin/mount", ["mount", "-t"...(mnt, path, mnt_flags, NULL);1692 }
里面有两个和mount有关的操作一个是do_kern_mount,一个是 do_add_mount,一个是做mount挂载,一个是将...mount挂载的fs添加到mount的列表里