Provided by: freebsd-manpages_8.0-1_all
VFS_STATFS - return file system status
VFS_STATFS(struct mount *mp, struct statfs *sbp);
The VFS_STATFS() macro returns various pieces of information about the
file system, including recommended I/O sizes, free space, free inodes,
The arguments it expects are:
mp The file system.
sbp A statfs structure, as defined by into which information is placed
about the file system.
The fields of struct statfs related to the file system are as follows:
f_type Type of file system.
f_flags A copy of mount exported flags.
f_bsize Fragment size.
f_iosize Optimal transfer block size.
f_blocks The total number of data blocks in the file system.
f_bfree The number of free blocks in the file system.
f_bavail The number of free blocks available to non-superuser
f_files The total number of file nodes in the file system.
f_ffree The number of free nodes available to non-superuser
f_syncwrites The number of synchronous writes since the file system was
f_asyncwrites The number of asynchronous writes since the file system
f_syncreads The number of synchronous reads since the file system was
f_asyncreads The number of asynchronous reads since the file system was
f_namemax The maximum file name length for this file system.
f_owner The user ID of the user that mounted the file system.
f_fsid Unique file system ID.
f_fstypename The file system type name; a string of at most MFSNAMELEN
f_mntfromname The device name the file system was mounted from; a string
of at most MNAMELEN bytes.
f_mntonname The name of the directory on which the file system is
mounted; a string of at most MNAMELEN bytes.
This manual page was written by Doug Rabson.