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Date:      Thu, 16 Jan 2014 16:13:21 +0000 (UTC)
From:      Andriy Gapon <avg@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r260773 - stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Message-ID:  <201401161613.s0GGDLoH078029@svn.freebsd.org>

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Author: avg
Date: Thu Jan 16 16:13:21 2014
New Revision: 260773
URL: http://svnweb.freebsd.org/changeset/base/260773

Log:
  MFC r258739: zfs mappedread_sf: assert that a page is never partially valid

Modified:
  stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c	Thu Jan 16 16:12:09 2014	(r260772)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c	Thu Jan 16 16:13:21 2014	(r260773)
@@ -580,8 +580,10 @@ mappedread_sf(vnode_t *vp, int nbytes, u
 				vm_page_activate(pp);
 			}
 			vm_page_unlock(pp);
-		} else
+		} else {
+			ASSERT3U(pp->valid, ==, VM_PAGE_BITS_ALL);
 			vm_page_sunbusy(pp);
+		}
 		if (error)
 			break;
 		uio->uio_resid -= bytes;



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