-int lov_merge_lvb_kms(struct lov_stripe_md *lsm,
- struct ost_lvb *lvb, __u64 *kms_place)
-{
- __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;
- int i;
- int rc = 0;
-
- LASSERT_SPIN_LOCKED(&lsm->lsm_lock);
-#ifdef __KERNEL__
- LASSERT(lsm->lsm_lock_owner == cfs_curproc_pid());
-#endif
-
- 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;
- }
-
- *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;
- rc = lov_merge_lvb_kms(lsm, lvb, &kms);
- if (kms_only)
- lvb->lvb_size = kms;
- CDEBUG(D_INODE, "merged: "LPU64" "LPU64" "LPU64" "LPU64" "LPU64"\n",
- 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() */
-int lov_adjust_kms(struct obd_export *exp, struct lov_stripe_md *lsm,
- obd_off size, int shrink)