svn commit: r199466 -
user/kmacy/releng_8_fcs_buf/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Kip Macy
kmacy at FreeBSD.org
Wed Nov 18 01:43:12 UTC 2009
Author: kmacy
Date: Wed Nov 18 01:43:11 2009
New Revision: 199466
URL: http://svn.freebsd.org/changeset/base/199466
Log:
mark buffer invalid if it doesn't match the expect birth txg
Modified:
user/kmacy/releng_8_fcs_buf/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
Modified: user/kmacy/releng_8_fcs_buf/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
==============================================================================
--- user/kmacy/releng_8_fcs_buf/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Wed Nov 18 01:35:36 2009 (r199465)
+++ user/kmacy/releng_8_fcs_buf/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Wed Nov 18 01:43:11 2009 (r199466)
@@ -1369,7 +1369,6 @@ arc_getblk(arc_buf_t *buf)
struct vnode *vp;
struct bufobj *bo;
int flags = 0;
- int preflags, postflags;
if (type == ARC_BUFC_METADATA) {
arc_space_consume(size);
@@ -1392,14 +1391,9 @@ arc_getblk(arc_buf_t *buf)
buf->b_hdr->b_flags &= ~ARC_BUF_CLONING;
} else {
newbp = getblk(vp, blkno, size, 0, 0, flags);
- preflags = newbp->b_flags;
-
- if (newbp->b_vp != NULL)
- brelvp(newbp);
- postflags = newbp->b_flags;
-
- if (preflags != postflags)
- CTR2(KTR_SPARE2, "arc_getblk() flags change pre %X post %X", preflags, postflags);
+ if (newbp->b_birth != buf->b_hdr->b_birth)
+ newbp->b_flags |= B_INVAL;
+ brelvp(newbp);
data = newbp->b_data;
}
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