VOP_FSYNC man page on DragonFly

VOP_FSYNC man page on DragonFly

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VOP_FSYNC(9)		 BSD Kernel Developer's Manual		  VOP_FSYNC(9)

NAME
     VOP_FSYNC — flush filesystem buffers for a file

SYNOPSIS
     #include <sys/param.h>
     #include <sys/vnode.h>

     int
     VOP_FSYNC(struct vnode *vp, struct ucred *cred, int waitfor,
	 struct proc *p);

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

     Its arguments are:

     vp	      the vnode of the file

     cred     the caller's credentials

     waitfor  whether the function should wait for I/O to complete

     p	      the calling process

     The argument waitfor is either MNT_WAIT or MNT_NOWAIT and specifies
     whether or not the function should wait for the writes to finish before
     returning.

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
     [ENOSPC]		The filesystem is full.

     [EDQUOT]		Quota exceeded.

SEE ALSO
     vnode(9)

AUTHORS
     This man page was written by Doug Rabson.

BSD				 July 24, 1996				   BSD

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