- __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;
- int i;
- int rc = 0;
-
- LASSERT_SPIN_LOCKED(&lsm->lsm_lock);
-#ifdef __KERNEL__
- 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;
-
- 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;
- 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;
- 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);
-}
-
-/** Merge the lock value block(&lvb) attributes from each of the stripes in a
- * file into a single lvb. It is expected that the caller initializes the
- * current atime, mtime, ctime to avoid regressing a more uptodate time on
- * the local client.
- *
- * If \a kms_only is set then we do not consider the recently seen size (rss)
- * when updating the known minimum size (kms). Even when merging RSS, we will
- * take the KMS value if it's larger. This prevents getattr from stomping on
- * dirty cached pages which extend the file size. */
-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;
- 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);
+ 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);
+
+ 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 < 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;
+ }
+
+ 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;