HP-UX Reference (11i v2 04/09) - 7 Device (Special) Files, 9 General Information, Index (vol 10)

vxfsio(7) vxfsio(7)

EXAMPLES

The following example shows how application code can use

VX_GETFSOPT to ﬁnd out if a JFS ﬁle system

was mounted with the

-o delaylog option:

int arg = 0;

int fd;

ioctl(fd, VX_GETFSOPT, &arg);

if (arg & VX_FSO_DELAYLOG) {

printf("FS mounted with delaylog option!\n");

}

DIAGNOSTICS

Operation failures can return any of the following values in

errno:

EACCESS The calling process does not have write access to the ﬁle speciﬁed by

fildes.

EAGAIN The ﬁle system is not currently frozen.

EBADF The fildes argument is not a valid ﬁle descriptor open for writing.

EFAULT An address speciﬁed by an argument is invalid.

EFBIG An attempt was made to reserve space larger than the maximum ﬁle size limit for this pro-

cess.

EINVAL The command or argument is invalid.

EIO An I/O error occurred while attempting to perform the operation.

ENODEV The ﬁle speciﬁed by fildes is not the root directory of a vxfs

ﬁle system.

ENOSPC Requested space could not be obtained.

EPERM The process does not have appropriate privilege.

EROFS The ﬁle system is mounted read-only.

ETIMEDOUT The VX_FREEZE timeout expired before this call.