/* 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)
{
struct lov_oinfo *loi;
int stripe = 0;
__u64 kms;
ENTRY;
LASSERT_SPIN_LOCKED(&lsm->lsm_lock);
#ifdef __KERNEL__
LASSERT(lsm->lsm_lock_owner == cfs_curproc_pid());
#endif
if (shrink) {
for (; stripe < lsm->lsm_stripe_count; stripe++) {
struct lov_oinfo *loi = lsm->lsm_oinfo[stripe];
kms = lov_size_to_stripe(lsm, size, stripe);
CDEBUG(D_INODE,
"stripe %d KMS %sing "LPU64"->"LPU64"\n",
stripe, kms > loi->loi_kms ? "increas":"shrink",
loi->loi_kms, kms);
loi_kms_set(loi, loi->loi_lvb.lvb_size = kms);
}
RETURN(0);
}
if (size > 0)
stripe = lov_stripe_number(lsm, size - 1);
kms = lov_size_to_stripe(lsm, size, stripe);
loi = lsm->lsm_oinfo[stripe];
CDEBUG(D_INODE, "stripe %d KMS %sincreasing "LPU64"->"LPU64"\n",
stripe, kms > loi->loi_kms ? "" : "not ", loi->loi_kms, kms);
if (kms > loi->loi_kms)
loi_kms_set(loi, kms);
RETURN(0);
}
/* Must be called under the lov_stripe_lock() */
int lov_adjust_kms(struct obd_export *exp, struct lov_stripe_md *lsm,
u64 size, int shrink)
{
struct lov_oinfo *loi;
int stripe = 0;
__u64 kms;
assert_spin_locked(&lsm->lsm_lock);
LASSERT(lsm->lsm_lock_owner == current_pid());
if (shrink) {
for (; stripe < lsm->lsm_stripe_count; stripe++) {
struct lov_oinfo *loi = lsm->lsm_oinfo[stripe];
kms = lov_size_to_stripe(lsm, size, stripe);
CDEBUG(D_INODE,
"stripe %d KMS %sing %llu->%llu\n",
stripe, kms > loi->loi_kms ? "increase":"shrink",
loi->loi_kms, kms);
loi->loi_lvb.lvb_size = kms;
loi_kms_set(loi, loi->loi_lvb.lvb_size);
}
return 0;
}
if (size > 0)
stripe = lov_stripe_number(lsm, size - 1);
kms = lov_size_to_stripe(lsm, size, stripe);
loi = lsm->lsm_oinfo[stripe];
CDEBUG(D_INODE, "stripe %d KMS %sincreasing %llu->%llu\n",
stripe, kms > loi->loi_kms ? "" : "not ", loi->loi_kms, kms);
if (kms > loi->loi_kms)
loi_kms_set(loi, kms);
return 0;
}
int osc_attr_set(const struct lu_env *env, struct cl_object *obj,
const struct cl_attr *attr, unsigned valid)
{
struct lov_oinfo *oinfo = cl2osc(obj)->oo_oinfo;
struct ost_lvb *lvb = &oinfo->loi_lvb;
if (valid & CAT_SIZE)
lvb->lvb_size = attr->cat_size;
if (valid & CAT_MTIME)
lvb->lvb_mtime = attr->cat_mtime;
if (valid & CAT_ATIME)
lvb->lvb_atime = attr->cat_atime;
if (valid & CAT_CTIME)
lvb->lvb_ctime = attr->cat_ctime;
if (valid & CAT_BLOCKS)
lvb->lvb_blocks = attr->cat_blocks;
if (valid & CAT_KMS) {
CDEBUG(D_CACHE, "set kms from %llu to %llu\n",
oinfo->loi_kms, (__u64)attr->cat_kms);
loi_kms_set(oinfo, attr->cat_kms);
}
return 0;
}
