1LOCKDEV(8)                                                          LOCKDEV(8)
2
3
4

NAME

6       lockdev demonstrates functionality of liblockdev library.
7
8

SYNOPSIS

10       /usr/sbin/lockdev [<operation>] <device>
11
12

DESCRIPTION

14       The lockdev command can perform one of the following operations:
15
16       -l - lock device with dev_lock() function
17
18       -u - unlock device with dev_unlock() function
19
20       no operation - test lock with dev_testlock() function
21
22

RETURN VALUES

24          Value  dev_lock         dev_unlock       dev_testlock
25          0      OK               OK               not locked
26          1      locked other     locked other     locked
27          2      EACCES
28          3      EROFS
29          4      EFAULT
30          5      EINVAL
31          6      ENAMETOOLONG
32          7      ENOENT
33          8      ENOTDIR
34          9      ENOMEM
35         10      ELOOP
36         11      EIO
37        255      error               error               error
38
39

SEE ALSO

41       lockdev(3).
42
43
44
45                                SEPTEMBER 2009                      LOCKDEV(8)