NAME
getvfsbyname —
get information about a
filesystem
LIBRARY
library “libc”
SYNOPSIS
#include
<sys/param.h>
#include <sys/mount.h>
int
getvfsbyname(const
char *name, struct
vfsconf *vfc);
DESCRIPTION
Thegetvfsbyname()
function provides access to information about a filesystem module that is
configured in the kernel. If successful, the requested filesystem
vfsconf is returned in the location pointed to by
vfc. The fields in a “struct
vfsconf” are defined as follows:
- vfc_name
- the name of the filesystem
- vfc_typenum
- the filesystem type number assigned by the kernel
- vfc_refcount
- the number of active mount points using the filesystem
- vfc_flags
- flag bits as described in getvfsent(3)
RETURN VALUES
The getvfsbyname() function returns the
value 0 if successful; otherwise the value -1 is returned and
the global variable errno is set to indicate the
error.
ERRORS
The following errors may be reported:
- [
EFAULT] - The vfc pointer contains an invalid address.
- [
ENOENT] - The name specifies a filesystem that is unknown or not configured in the kernel.
SEE ALSO
HISTORY
A variant of the getvfsbyname() function
first appeared in FreeBSD 2.0.