Author: pjd
Date: Sun Jun 17 21:04:22 2012
New Revision: 237204
URL: http://svn.freebsd.org/changeset/base/237204
Log:
Don't check for race with close on advisory unlock (there is nothing smart we
can do when such a race occurs). This saves lock/unlock cycle for the filedesc
lock for every advisory unlock operation.
MFC after: 1 month
Modified:
head/sys/kern/kern_descrip.c
Modified: head/sys/kern/kern_descrip.c
==============================================================================
--- head/sys/kern/kern_descrip.c Sun Jun 17 21:02:48 2012
(r237203)
+++ head/sys/kern/kern_descrip.c Sun Jun 17 21:04:22 2012
(r237204)
@@ -668,7 +668,8 @@ kern_fcntl(struct thread *td, int fd, in
}
VFS_UNLOCK_GIANT(vfslocked);
vfslocked = 0;
- if (error != 0) {
+ if (error != 0 || flp->l_type == F_UNLCK ||
+ flp->l_type == F_UNLCKSYS) {
fdrop(fp, td);
break;
}
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