1 files changed, 32 insertions, 4 deletions

diff --git a/module/zfs/zfs_vnops.c b/module/zfs/zfs_vnops.c
index 5765c9aa6..415ba7191 100644
--- a/module/zfs/zfs_vnops.c
+++ b/module/zfs/zfs_vnops.c
@@ -218,11 +218,32 @@ zfs_close(struct inode *ip, int flag, cred_t *cr)
 {
 	znode_t	*zp = ITOZ(ip);
 	zfs_sb_t *zsb = ITOZSB(ip);
+	int error = 0;
 
 	ZFS_ENTER(zsb);
 	ZFS_VERIFY_ZP(zp);
 
 	/*
+	 * When closing an mmap()'ed file ensure the inode atime, mtime, and
+	 * ctime are written to disk.  These values may have been updated in
+	 * memory by filemap_page_mkwrite() bit are not yet reflected in the
+	 * znode since writepage() may occur after the close.
+	 */
+	if (zp->z_is_mapped) {
+		vattr_t *vap;
+
+		vap = kmem_zalloc(sizeof(vattr_t), KM_SLEEP);
+		vap->va_mask = ATTR_ATIME | ATTR_MTIME | ATTR_CTIME;
+		vap->va_atime = ip->i_atime;
+		vap->va_mtime = ip->i_mtime;
+		vap->va_ctime = ip->i_ctime;
+
+		error = zfs_setattr(ip, vap, 0, cr);
+
+		kmem_free(vap, sizeof(vattr_t));
+	}
+
+	/*
 	 * Zero the synchronous opens in the znode.  Under Linux the
 	 * zfs_close() hook is not symmetric with zfs_open(), it is
 	 * only called once when the last reference is dropped.
@@ -235,7 +256,7 @@ zfs_close(struct inode *ip, int flag, cred_t *cr)
 		VERIFY(zfs_vscan(ip, cr, 1) == 0);
 
 	ZFS_EXIT(zsb);
-	return (0);
+	return (error);
 }
 EXPORT_SYMBOL(zfs_close);
 
@@ -3876,12 +3897,19 @@ zfs_putpage(struct inode *ip, struct page *pp, struct writeback_control *wbc)
 	SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(zsb), NULL, &mtime, 16);
 	SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(zsb), NULL, &ctime, 16);
 	SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(zsb), NULL, &zp->z_pflags, 8);
-	zfs_tstamp_update_setup(zp, CONTENT_MODIFIED, mtime, ctime, B_TRUE);
-	zfs_log_write(zsb->z_log, tx, TX_WRITE, zp, pgoff, pglen, 0);
 
+	/* Preserve the mtime and ctime provided by the inode */
+	ZFS_TIME_ENCODE(&ip->i_mtime, mtime);
+	ZFS_TIME_ENCODE(&ip->i_ctime, ctime);
+	zp->z_atime_dirty = 0;
+	zp->z_seq++;
+
+	err = sa_bulk_update(zp->z_sa_hdl, bulk, cnt, tx);
+
+	zfs_log_write(zsb->z_log, tx, TX_WRITE, zp, pgoff, pglen, 0);
 	dmu_tx_commit(tx);
+
 	zfs_range_unlock(rl);
-	ASSERT3S(err, ==, 0);
 
 	if (sync) {
 		zil_commit(zsb->z_log, zp->z_id);