Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

brelse: always wakeup on b_busy, in case BC_WANTED is not set.

This commit is contained in:
ad 2008-05-26 14:56:55 +00:00
parent 9cae530b67
commit 46540aaf0e
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sys/kern/vfs_bio.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vfs_bio.c,v 1.198 2008/05/16 09:21:59 hannken Exp $ */
/* $NetBSD: vfs_bio.c,v 1.199 2008/05/26 14:56:55 ad Exp $ */
/*-
* Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
@ -107,7 +107,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vfs_bio.c,v 1.198 2008/05/16 09:21:59 hannken Exp $");
__KERNEL_RCSID(0, "$NetBSD: vfs_bio.c,v 1.199 2008/05/26 14:56:55 ad Exp $");
#include "fs_ffs.h"
#include "opt_bufcache.h"
@ -978,10 +978,8 @@ brelsel(buf_t *bp, int set)
cv_signal(&needbuffer_cv);
/* Wake up any proceeses waiting for _this_ buffer to become */
if (ISSET(bp->b_cflags, BC_WANTED) != 0) {
if (ISSET(bp->b_cflags, BC_WANTED))
CLR(bp->b_cflags, BC_WANTED|BC_AGE);
cv_broadcast(&bp->b_busy);
}
/*
* Determine which queue the buffer should be on, then put it there.
@ -1075,6 +1073,7 @@ already_queued:
/* Unlock the buffer. */
CLR(bp->b_cflags, BC_AGE|BC_BUSY|BC_NOCACHE);
CLR(bp->b_flags, B_ASYNC);
cv_broadcast(&bp->b_busy);
if (bp->b_bufsize <= 0)
brele(bp);