diff options
| author | Bob Beck <beck@cvs.openbsd.org> | 2014-04-08 18:48:42 +0000 |
|---|---|---|
| committer | Bob Beck <beck@cvs.openbsd.org> | 2014-04-08 18:48:42 +0000 |
| commit | 02d836163d83b98646740e86de95f86529a4e3dc (patch) | |
| tree | d03eeb9a87e82df4a62b89d50019f8ae504b81e0 /sys/msdosfs | |
| parent | 7ca30df626e08a236325f4c383792994380cb841 (diff) | |
add IO_NOCACHE flag to vop_write arguments, which in turn sets B_NOCACHE
on the written buffers. Use the flag for writes from the page daemon to
ensure that we free buffers written out by the page daemon rather than
caching them.
ok kettenis@
Diffstat (limited to 'sys/msdosfs')
| -rw-r--r-- | sys/msdosfs/msdosfs_vnops.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/msdosfs/msdosfs_vnops.c b/sys/msdosfs/msdosfs_vnops.c index 581c4174741..ef78d3ec5ce 100644 --- a/sys/msdosfs/msdosfs_vnops.c +++ b/sys/msdosfs/msdosfs_vnops.c @@ -1,4 +1,4 @@ -/* $OpenBSD: msdosfs_vnops.c,v 1.91 2013/12/14 02:57:25 guenther Exp $ */ +/* $OpenBSD: msdosfs_vnops.c,v 1.92 2014/04/08 18:48:41 beck Exp $ */ /* $NetBSD: msdosfs_vnops.c,v 1.63 1997/10/17 11:24:19 ws Exp $ */ /*- @@ -743,6 +743,8 @@ msdosfs_write(void *v) * without delay. Otherwise do a delayed write because we * may want to write somemore into the block later. */ + if (ioflag & IO_NOCACHE) + bp->b_flags |= B_NOCACHE; if (ioflag & IO_SYNC) (void) bwrite(bp); else if (n + croffset == pmp->pm_bpcluster) |