*
* 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*/
#define DEBUG_SUBSYSTEM S_LOV
* initializes the current atime, mtime, ctime to avoid regressing a more
* uptodate time on the local client.
*/
-int lov_merge_lvb_kms(struct lov_stripe_md *lsm,
- struct ost_lvb *lvb, __u64 *kms_place)
+int lov_merge_lvb_kms(struct lov_stripe_md *lsm, int index,
+ struct ost_lvb *lvb, __u64 *kms_place)
{
- __u64 size = 0;
- __u64 kms = 0;
- __u64 blocks = 0;
- obd_time current_mtime = lvb->lvb_mtime;
- obd_time current_atime = lvb->lvb_atime;
- obd_time current_ctime = lvb->lvb_ctime;
+ struct lov_stripe_md_entry *lse = lsm->lsm_entries[index];
+ u64 size = 0;
+ u64 kms = 0;
+ u64 blocks = 0;
+ s64 current_mtime = lvb->lvb_mtime;
+ s64 current_atime = lvb->lvb_atime;
+ s64 current_ctime = lvb->lvb_ctime;
int i;
int rc = 0;
assert_spin_locked(&lsm->lsm_lock);
- LASSERT(lsm->lsm_lock_owner == current_pid());
+ LASSERT(lsm->lsm_lock_owner == current->pid);
- CDEBUG(D_INODE, "MDT ID "DOSTID" initial value: s="LPU64" m="LPU64
- " a="LPU64" c="LPU64" b="LPU64"\n", POSTID(&lsm->lsm_oi),
+ CDEBUG(D_INODE, "MDT ID "DOSTID" initial value: s=%llu m=%llu"
+ " a=%llu c=%llu b=%llu\n", POSTID(&lsm->lsm_oi),
lvb->lvb_size, lvb->lvb_mtime, lvb->lvb_atime, lvb->lvb_ctime,
lvb->lvb_blocks);
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
- struct lov_oinfo *loi = lsm->lsm_oinfo[i];
- obd_size lov_size, tmpsize;
-
- 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;
- lov_size = lov_stripe_size(lsm, tmpsize, i);
- if (lov_size > kms)
- kms = lov_size;
-
- if (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 */
- 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;
- if (loi->loi_lvb.lvb_ctime > current_ctime)
- current_ctime = loi->loi_lvb.lvb_ctime;
+ for (i = 0; i < lse->lsme_stripe_count; i++) {
+ struct lov_oinfo *loi = lse->lsme_oinfo[i];
+ u64 lov_size;
+ u64 tmpsize;
+
+ if (OST_LVB_IS_ERR(loi->loi_lvb.lvb_blocks)) {
+ rc = OST_LVB_GET_ERR(loi->loi_lvb.lvb_blocks);
+ continue;
+ }
- CDEBUG(D_INODE, "MDT ID "DOSTID" on OST[%u]: s="LPU64" m="LPU64
- " a="LPU64" c="LPU64" b="LPU64"\n", POSTID(&lsm->lsm_oi),
+ tmpsize = loi->loi_kms;
+ lov_size = lov_stripe_size(lsm, index, tmpsize, i);
+ if (lov_size > kms)
+ kms = lov_size;
+
+ if (loi->loi_lvb.lvb_size > tmpsize)
+ tmpsize = loi->loi_lvb.lvb_size;
+
+ lov_size = lov_stripe_size(lsm, index, tmpsize, i);
+ if (lov_size > size)
+ size = lov_size;
+ /* merge blocks, mtime, atime */
+ 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;
+ if (loi->loi_lvb.lvb_ctime > current_ctime)
+ current_ctime = loi->loi_lvb.lvb_ctime;
+
+ CDEBUG(D_INODE, "MDT ID "DOSTID" on OST[%u]: s=%llu m=%llu"
+ " a=%llu c=%llu b=%llu\n", POSTID(&lsm->lsm_oi),
loi->loi_ost_idx, loi->loi_lvb.lvb_size,
loi->loi_lvb.lvb_mtime, loi->loi_lvb.lvb_atime,
loi->loi_lvb.lvb_ctime, loi->loi_lvb.lvb_blocks);
- }
-
- *kms_place = kms;
- lvb->lvb_size = size;
- lvb->lvb_blocks = blocks;
- lvb->lvb_mtime = current_mtime;
- lvb->lvb_atime = current_atime;
- lvb->lvb_ctime = current_ctime;
- RETURN(rc);
-}
-
-void lov_merge_attrs(struct obdo *tgt, struct obdo *src, obd_valid valid,
- struct lov_stripe_md *lsm, int stripeno, int *set)
-{
- valid &= src->o_valid;
-
- if (*set != 0) {
- tgt->o_valid &= valid;
- if (valid & OBD_MD_FLSIZE) {
- /* this handles sparse files properly */
- obd_size lov_size;
-
- lov_size = lov_stripe_size(lsm, src->o_size, stripeno);
- if (lov_size > tgt->o_size)
- tgt->o_size = lov_size;
- }
- if (valid & OBD_MD_FLBLOCKS)
- tgt->o_blocks += src->o_blocks;
- if (valid & OBD_MD_FLBLKSZ)
- tgt->o_blksize += src->o_blksize;
- if (valid & OBD_MD_FLCTIME && tgt->o_ctime < src->o_ctime)
- tgt->o_ctime = src->o_ctime;
- if (valid & OBD_MD_FLMTIME && tgt->o_mtime < src->o_mtime)
- tgt->o_mtime = src->o_mtime;
- if (valid & OBD_MD_FLDATAVERSION)
- tgt->o_data_version += src->o_data_version;
-
- /* handle flags */
- if (valid & OBD_MD_FLFLAGS)
- tgt->o_flags &= src->o_flags;
- else
- tgt->o_flags = 0;
- } else {
- memcpy(tgt, src, sizeof(*tgt));
- tgt->o_oi = lsm->lsm_oi;
- tgt->o_valid = valid;
- if (valid & OBD_MD_FLSIZE)
- tgt->o_size = lov_stripe_size(lsm, src->o_size,
- stripeno);
- tgt->o_flags = 0;
- if (valid & OBD_MD_FLFLAGS)
- tgt->o_flags = src->o_flags;
}
- /* data_version needs to be valid on all stripes to be correct! */
- if (!(valid & OBD_MD_FLDATAVERSION))
- tgt->o_valid &= ~OBD_MD_FLDATAVERSION;
-
- *set += 1;
+ *kms_place = kms;
+ lvb->lvb_size = size;
+ lvb->lvb_blocks = blocks;
+ lvb->lvb_mtime = current_mtime;
+ lvb->lvb_atime = current_atime;
+ lvb->lvb_ctime = current_ctime;
+ RETURN(rc);
}