diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/lov/lov_object.c')
-rw-r--r-- | drivers/staging/lustre/lustre/lov/lov_object.c | 50 |
1 files changed, 38 insertions, 12 deletions
diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c b/drivers/staging/lustre/lustre/lov/lov_object.c index f9621b0fd469..52f736338887 100644 --- a/drivers/staging/lustre/lustre/lov/lov_object.c +++ b/drivers/staging/lustre/lustre/lov/lov_object.c @@ -75,6 +75,13 @@ struct lov_layout_operations { static int lov_layout_wait(const struct lu_env *env, struct lov_object *lov); +void lov_lsm_put(struct cl_object *unused, struct lov_stripe_md *lsm) +{ + if (lsm) + lov_free_memmd(&lsm); +} +EXPORT_SYMBOL(lov_lsm_put); + /***************************************************************************** * * Lov object layout operations. @@ -195,6 +202,10 @@ static int lov_page_slice_fixup(struct lov_object *lov, struct cl_object_header *hdr = cl_object_header(&lov->lo_cl); struct cl_object *o; + if (!stripe) + return hdr->coh_page_bufsize - lov->lo_cl.co_slice_off - + cfs_size_round(sizeof(struct lov_page)); + cl_object_for_each(o, stripe) o->co_slice_off += hdr->coh_page_bufsize; @@ -224,6 +235,7 @@ static int lov_init_raid0(const struct lu_env *env, LASSERT(!lov->lo_lsm); lov->lo_lsm = lsm_addref(lsm); + lov->lo_layout_invalid = true; r0->lo_nr = lsm->lsm_stripe_count; LASSERT(r0->lo_nr <= lov_targets_nr(dev)); @@ -719,6 +731,10 @@ static int lov_layout_change(const struct lu_env *unused, LASSERT(atomic_read(&lov->lo_active_ios) == 0); lov->lo_type = LLT_EMPTY; + /* page bufsize fixup */ + cl_object_header(&lov->lo_cl)->coh_page_bufsize -= + lov_page_slice_fixup(lov, NULL); + result = new_ops->llo_init(env, lu2lov_dev(lov->lo_cl.co_lu.lo_dev), lov, conf, state); @@ -878,8 +894,8 @@ static int lov_attr_get(const struct lu_env *env, struct cl_object *obj, return LOV_2DISPATCH_NOLOCK(cl2lov(obj), llo_getattr, env, obj, attr); } -static int lov_attr_set(const struct lu_env *env, struct cl_object *obj, - const struct cl_attr *attr, unsigned valid) +static int lov_attr_update(const struct lu_env *env, struct cl_object *obj, + const struct cl_attr *attr, unsigned int valid) { /* * No dispatch is required here, as no layout implements this. @@ -895,13 +911,30 @@ int lov_lock_init(const struct lu_env *env, struct cl_object *obj, io); } +static int lov_object_getstripe(const struct lu_env *env, struct cl_object *obj, + struct lov_user_md __user *lum) +{ + struct lov_object *lov = cl2lov(obj); + struct lov_stripe_md *lsm; + int rc = 0; + + lsm = lov_lsm_addref(lov); + if (!lsm) + return -ENODATA; + + rc = lov_getstripe(cl2lov(obj), lsm, lum); + lov_lsm_put(obj, lsm); + return rc; +} + static const struct cl_object_operations lov_ops = { .coo_page_init = lov_page_init, .coo_lock_init = lov_lock_init, .coo_io_init = lov_io_init, .coo_attr_get = lov_attr_get, - .coo_attr_set = lov_attr_set, - .coo_conf_set = lov_conf_set + .coo_attr_update = lov_attr_update, + .coo_conf_set = lov_conf_set, + .coo_getstripe = lov_object_getstripe }; static const struct lu_object_operations lov_lu_obj_ops = { @@ -938,7 +971,7 @@ struct lu_object *lov_object_alloc(const struct lu_env *env, return obj; } -static struct lov_stripe_md *lov_lsm_addref(struct lov_object *lov) +struct lov_stripe_md *lov_lsm_addref(struct lov_object *lov) { struct lov_stripe_md *lsm = NULL; @@ -969,13 +1002,6 @@ struct lov_stripe_md *lov_lsm_get(struct cl_object *clobj) } EXPORT_SYMBOL(lov_lsm_get); -void lov_lsm_put(struct cl_object *unused, struct lov_stripe_md *lsm) -{ - if (lsm) - lov_free_memmd(&lsm); -} -EXPORT_SYMBOL(lov_lsm_put); - int lov_read_and_clear_async_rc(struct cl_object *clob) { struct lu_object *luobj; |