/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
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;
- 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);
+ __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_is_locked(&lsm->lsm_lock));
#ifdef __KERNEL__
- LASSERT(lsm->lsm_lock_owner == cfs_curproc_pid());
+ LASSERT(lsm->lsm_lock_owner == current_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++) {
+ CDEBUG(D_INODE, "MDT ID "DOSTID" initial value: s="LPU64" m="LPU64
+ " a="LPU64" c="LPU64" b="LPU64"\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;
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);
+
+ CDEBUG(D_INODE, "MDT ID "DOSTID" on OST[%u]: s="LPU64" m="LPU64
+ " a="LPU64" c="LPU64" b="LPU64"\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;
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 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);
+ 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 ID "DOSTID" s="LPU64" m="LPU64" a="LPU64
+ " c="LPU64" b="LPU64"\n", POSTID(&lsm->lsm_oi), 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() */
__u64 kms;
ENTRY;
- LASSERT_SPIN_LOCKED(&lsm->lsm_lock);
+ LASSERT(spin_is_locked(&lsm->lsm_lock));
#ifdef __KERNEL__
- LASSERT(lsm->lsm_lock_owner == cfs_curproc_pid());
+ LASSERT(lsm->lsm_lock_owner == current_pid());
#endif
if (shrink) {
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) {
- 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;
- } 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);
- }
-
- /* 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;
+ 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;
}