-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
* Lustre is a trademark of Sun Microsystems, Inc.
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_LOV
#ifdef __KERNEL__
__u64 size = 0;
__u64 kms = 0;
__u64 blocks = 0;
- __u64 current_mtime = lvb->lvb_mtime;
- __u64 current_atime = lvb->lvb_atime;
- __u64 current_ctime = lvb->lvb_ctime;
+ obd_time current_mtime = lvb->lvb_mtime;
+ obd_time current_atime = lvb->lvb_atime;
+ obd_time current_ctime = lvb->lvb_ctime;
int i;
int rc = 0;
LASSERT(lsm->lsm_lock_owner == cfs_curproc_pid());
#endif
+ CDEBUG(D_INODE, "MDT FID "DFID" initial value: s="LPU64" m="LPU64
+ " a="LPU64" c="LPU64" b="LPU64"\n",
+ lsm->lsm_object_seq, (__u32)lsm->lsm_object_id,
+ (__u32)(lsm->lsm_object_id >> 32), 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;
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;
-
- /* 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;
- }
+ CDEBUG(D_INODE, "MDT FID "DFID" on OST[%u]: s="LPU64" m="LPU64
+ " a="LPU64" c="LPU64" b="LPU64"\n",
+ lsm->lsm_object_seq, (__u32)lsm->lsm_object_id,
+ (__u32)(lsm->lsm_object_id >> 32), 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;
int lov_merge_lvb(struct obd_export *exp,
struct lov_stripe_md *lsm, struct ost_lvb *lvb, int kms_only)
{
- int rc;
- __u64 kms;
-
- ENTRY;
- rc = lov_merge_lvb_kms(lsm, lvb, &kms);
- if (kms_only)
- lvb->lvb_size = kms;
- CDEBUG(D_INODE, "merged: %llu %llu %llu %llu %llu\n",
- lvb->lvb_size, lvb->lvb_mtime, lvb->lvb_atime,
- lvb->lvb_ctime, lvb->lvb_blocks);
- RETURN(rc);
+ int rc;
+ __u64 kms;
+
+ ENTRY;
+ lov_stripe_lock(lsm);
+ rc = lov_merge_lvb_kms(lsm, lvb, &kms);
+ lov_stripe_unlock(lsm);
+ if (kms_only)
+ lvb->lvb_size = kms;
+ CDEBUG(D_INODE, "merged for FID "DFID" s="LPU64" m="LPU64" a="LPU64
+ " c="LPU64" b="LPU64"\n",
+ lsm->lsm_object_seq, (__u32)lsm->lsm_object_id,
+ (__u32)(lsm->lsm_object_id >> 32), lvb->lvb_size, lvb->lvb_mtime,
+ lvb->lvb_atime, lvb->lvb_ctime, lvb->lvb_blocks);
+ RETURN(rc);
}
/* Must be called under the lov_stripe_lock() */
RETURN(0);
}
-void lov_merge_attrs(struct obdo *tgt, struct obdo *src, obd_flag valid,
+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;
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;
+ if (valid & OBD_MD_FLDATAVERSION)
+ tgt->o_data_version += src->o_data_version;
} else {
memcpy(tgt, src, sizeof(*tgt));
tgt->o_id = lsm->lsm_object_id;
if (valid & OBD_MD_FLSIZE)
tgt->o_size = lov_stripe_size(lsm,src->o_size,stripeno);
- *set = 1;
}
+
+ /* 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;
}