VOP_FSYNC (9)

Leading comments

Copyright (c) 1996 Doug Rabson

All rights reserved.

This program is free software.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in...

(The comments found at the beginning of the groff file "man9/VOP_FSYNC.9freebsd".)

NAME

VOP_FSYNC - flush file system buffers for a file

SYNOPSIS

In sys/param.h In sys/vnode.h Ft int Fn VOP_FSYNC struct vnode *vp int waitfor struct thread *td

DESCRIPTION

This call flushes any dirty file system buffers for the file. It is used to implement the sync(2) and fsync(2) system calls.

Its arguments are:

Fa vp

The vnode of the file.

Fa waitfor

Whether the function should wait for I/O to complete. Possible values are:

MNT_WAIT

Synchronously wait for I/O to complete.

MNT_NOWAIT

Start all I/O, but do not wait for it.

MNT_LAZY

Push data not written by file system syncer.

Fa td

The calling thread.

LOCKS

The file should be locked on entry.

RETURN VALUES

Zero is returned if the call is successful, otherwise an appropriate error code is returned.

ERRORS

Bq Er ENOSPC

The file system is full.

Bq Er EDQUOT

Quota exceeded.

SEE ALSO

vnode(9)

AUTHORS

This manual page was written by An Doug Rabson .