PERFORCE change 133645 for review
Peter Wemm
peter at FreeBSD.org
Sat Jan 19 01:04:55 PST 2008
http://perforce.freebsd.org/chv.cgi?CH=133645
Change 133645 by peter at peter_overcee on 2008/01/19 09:04:08
Add sysctl to turn off fsync
Affected files ...
.. //depot/projects/hammer/sys/kern/vfs_syscalls.c#78 edit
Differences ...
==== //depot/projects/hammer/sys/kern/vfs_syscalls.c#78 (text+ko) ====
@@ -3216,6 +3216,8 @@
}
#endif
+static int nofsync = 0;
+SYSCTL_INT(_debug, OID_AUTO, nofsync, CTLFLAG_RW, &nofsync, 0, "");
/*
* Sync an open file.
*/
@@ -3238,6 +3240,8 @@
int error;
AUDIT_ARG(fd, uap->fd);
+ if (nofsync)
+ return (0);
if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
return (error);
vp = fp->f_vnode;
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