man - statvfs(5) manpage

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Ben Gras 2010-06-27 15:52:50 +00:00
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MAN= configfile.5 crontab.5 dhcp.conf.5 dir.5 ethers.5 \ MAN= configfile.5 crontab.5 dhcp.conf.5 dir.5 ethers.5 \
fstab.5 hosts.5 httpd.conf.5 http_status.5 keymap.5 \ fstab.5 hosts.5 httpd.conf.5 http_status.5 keymap.5 \
passwd.5 resolv.conf.5 resolver.5 rhosts.5 serv.access.5 \ passwd.5 resolv.conf.5 resolver.5 rhosts.5 statvfs.5 serv.access.5 \
syslog.conf.5 termcap.5 ttytab.5 TZ.5 tzfile.5 utmp.5 \ syslog.conf.5 termcap.5 ttytab.5 TZ.5 tzfile.5 utmp.5 \
whatis.5 whatis.5

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.\" $NetBSD: statvfs.5,v 1.10 2008/06/23 04:22:36 dholland Exp $
.\"
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.\" @(#)statfs.2 8.5 (Berkeley) 5/24/95
.\"
.Dd June 23, 2008
.Dt STATVFS 5
.Os
.Sh NAME
.Nm statvfs
.Nd file system statistics
.Sh SYNOPSIS
.In sys/types.h
.In sys/statvfs.h
.Sh DESCRIPTION
The
.Aq Pa sys/statvfs.h
header defines the structures and functions that
return information about a mounted file system.
The
.Nm statvfs
structure is defined as follows:
.Bd -literal
struct statvfs {
unsigned long f_bsize; /* system block size */
unsigned long f_frsize; /* system fragment size */
fsblkcnt_t f_blocks; /* number of blocks in file system */
fsblkcnt_t f_bfree; /* free blocks avail in file system */
fsblkcnt_t f_bavail; /* free blocks avail to non-root */
fsfilcnt_t f_files; /* total file nodes in file system */
fsfilcnt_t f_ffree; /* free file nodes in file system */
fsfilcnt_t f_favail; /* free file nodes avail to non-root */
unsigned long f_fsid; /* File system ID */
unsigned long f_flag; /* flags */
unsigned long f_namemax;/* maximum filename length */
};
.Ed
.Pp
The
.Fa f_flag
argument can have the following bits set:
.Bl -tag -width ST_SYNCHRONOUS
.It Dv ST_RDONLY
The filesystem is mounted read-only;
Even the super-user may not write on it.
.It Dv ST_NOSUID
Setuid and setgid bits on files are not honored when they are executed.
.El
.Sh SEE ALSO
.Xr statvfs 2
.Sh HISTORY
The
.Aq Pa sys/statvfs.h
header first appeared in
.Nx 3.0 .