/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002, 2003 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef EXPORT_SYMTAB
__u64 current_atime = lvb->lvb_atime;
__u64 current_ctime = lvb->lvb_ctime;
int i;
+ int rc = 0;
LASSERT_SPIN_LOCKED(&lsm->lsm_lock);
#ifdef __KERNEL__
LASSERT(lsm->lsm_lock_owner == cfs_current());
#endif
- for (i = 0, loi = lsm->lsm_oinfo; i < lsm->lsm_stripe_count;
- i++, loi++) {
+ for (i = 0; i < lsm->lsm_stripe_count; i++) {
obd_size lov_size, tmpsize;
+ loi = lsm->lsm_oinfo[i];
+ if (OST_LVB_IS_ERR(loi->loi_lvb.lvb_blocks)) {
+ rc = OST_LVB_GET_ERR(loi->loi_lvb.lvb_blocks);
+ continue;
+ }
+
tmpsize = loi->loi_kms;
if (kms_only == 0 && loi->loi_lvb.lvb_size > tmpsize)
tmpsize = loi->loi_lvb.lvb_size;
lov_size = lov_stripe_size(lsm, tmpsize, i);
if (lov_size > size)
size = lov_size;
- /* merge blocks, mtime, atime */
+ /* merge blocks, mtime, atime, ctime */
blocks += loi->loi_lvb.lvb_blocks;
+ if (loi->loi_lvb.lvb_mtime > current_mtime)
+ current_mtime = loi->loi_lvb.lvb_mtime;
if (loi->loi_lvb.lvb_atime > current_atime)
current_atime = loi->loi_lvb.lvb_atime;
-
- /* mtime is always updated with ctime, but can be set in past.
- As write and utime(2) may happen within 1 second, and utime's
- mtime has a priority over write's one, leave mtime from mds
- for the same ctimes. */
- if (loi->loi_lvb.lvb_ctime > current_ctime) {
+ if (loi->loi_lvb.lvb_ctime > current_ctime)
current_ctime = loi->loi_lvb.lvb_ctime;
- current_mtime = loi->loi_lvb.lvb_mtime;
- }
}
lvb->lvb_size = size;
lvb->lvb_mtime = current_mtime;
lvb->lvb_atime = current_atime;
lvb->lvb_ctime = current_ctime;
- RETURN(0);
+ RETURN(rc);
}
/* Must be called under the lov_stripe_lock() */
if (shrink) {
struct lov_oinfo *loi;
- for (loi = lsm->lsm_oinfo; stripe < lsm->lsm_stripe_count;
- stripe++, loi++) {
+ for (; stripe < lsm->lsm_stripe_count; stripe++) {
+ loi = lsm->lsm_oinfo[stripe];
kms = lov_size_to_stripe(lsm, size, stripe);
CDEBUG(D_INODE,
"stripe %d KMS %sing "LPU64"->"LPU64"\n",
if (size > 0)
stripe = lov_stripe_number(lsm, size - 1);
kms = lov_size_to_stripe(lsm, size, stripe);
- loi = &(lsm->lsm_oinfo[stripe]);
+ loi = lsm->lsm_oinfo[stripe];
CDEBUG(D_INODE, "stripe %d KMS %sincreasing "LPU64"->"LPU64"\n",
stripe, kms > loi->loi_kms ? "" : "not ", loi->loi_kms, kms);
tgt->o_blksize += src->o_blksize;
if (valid & OBD_MD_FLCTIME && tgt->o_ctime < src->o_ctime)
tgt->o_ctime = src->o_ctime;
- /* Only mtime from OSTs are merged here, as they cannot be set
- in past (only MDS's mtime can) do not look at ctime. */
if (valid & OBD_MD_FLMTIME && tgt->o_mtime < src->o_mtime)
tgt->o_mtime = src->o_mtime;
} else {
*set = 1;
}
}
+
+int lov_update_lvb(struct obd_export *exp, struct lov_stripe_md *lsm,
+ struct ost_lvb *lvb, obd_flag valid)
+{
+ int i;
+ struct lov_oinfo *loi;
+
+ LASSERT_SPIN_LOCKED(&lsm->lsm_lock);
+ LASSERT(lsm->lsm_lock_owner == cfs_current());
+
+ for (i = 0; i < lsm->lsm_stripe_count; i++) {
+ loi = lsm->lsm_oinfo[i];
+ if (valid & OBD_MD_FLATIME)
+ loi->loi_lvb.lvb_atime = lvb->lvb_atime;
+ if (valid & OBD_MD_FLMTIME)
+ loi->loi_lvb.lvb_mtime = lvb->lvb_mtime;
+ if (valid & OBD_MD_FLCTIME)
+ loi->loi_lvb.lvb_ctime = lvb->lvb_ctime;
+ }
+ return 0;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff