* GPL HEADER END
*/
/*
- * Copyright (c) 2017 Intel Corporation.
+ * Copyright (c) 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <obd_class.h>
#include <lustre_osc.h>
+#include <uapi/linux/lustre/lustre_param.h>
#include "mdc_internal.h"
einfo->ei_cbdata = osc; /* value to be put into ->l_ast_data */
}
+static void mdc_lock_lvb_update(const struct lu_env *env,
+ struct osc_object *osc,
+ struct ldlm_lock *dlmlock,
+ struct ost_lvb *lvb);
+
static int mdc_set_dom_lock_data(struct ldlm_lock *lock, void *data)
{
int set = 0;
LASSERT(lock != NULL);
+ LASSERT(lock->l_glimpse_ast == mdc_ldlm_glimpse_ast);
lock_res_and_lock(lock);
return set;
}
-int mdc_dom_lock_match(struct obd_export *exp, struct ldlm_res_id *res_id,
- enum ldlm_type type, union ldlm_policy_data *policy,
- enum ldlm_mode mode, __u64 *flags, void *data,
+int mdc_dom_lock_match(const struct lu_env *env, struct obd_export *exp,
+ struct ldlm_res_id *res_id, enum ldlm_type type,
+ union ldlm_policy_data *policy, enum ldlm_mode mode,
+ __u64 *flags, struct osc_object *obj,
struct lustre_handle *lockh, int unref)
{
struct obd_device *obd = exp->exp_obd;
if (rc == 0 || lflags & LDLM_FL_TEST_LOCK)
RETURN(rc);
- if (data != NULL) {
+ if (obj != NULL) {
struct ldlm_lock *lock = ldlm_handle2lock(lockh);
LASSERT(lock != NULL);
- if (!mdc_set_dom_lock_data(lock, data)) {
+ if (mdc_set_dom_lock_data(lock, obj)) {
+ lock_res_and_lock(lock);
+ if (!ldlm_is_lvb_cached(lock)) {
+ LASSERT(lock->l_ast_data == obj);
+ mdc_lock_lvb_update(env, obj, lock, NULL);
+ ldlm_set_lvb_cached(lock);
+ }
+ unlock_res_and_lock(lock);
+ } else {
ldlm_lock_decref(lockh, rc);
rc = 0;
}
/* If we're trying to read, we also search for an existing PW lock. The
* VFS and page cache already protect us locally, so lots of readers/
* writers can share a single PW lock. */
- mode = mdc_dom_lock_match(osc_export(obj), resname, LDLM_IBITS, policy,
- LCK_PR | LCK_PW, &flags, obj, &lockh,
+ mode = mdc_dom_lock_match(env, osc_export(obj), resname, LDLM_IBITS,
+ policy, LCK_PR | LCK_PW | LCK_GROUP, &flags,
+ obj, &lockh,
dap_flags & OSC_DAP_FL_CANCELING);
if (mode != 0) {
lock = ldlm_handle2lock(&lockh);
result = 0;
}
- rc = mdc_lock_discard_pages(env, obj, start, end, discard);
+ /* Avoid lock matching with CLM_WRITE, there can be no other locks */
+ rc = mdc_lock_discard_pages(env, obj, start, end,
+ mode == CLM_WRITE || discard);
if (result == 0 && rc < 0)
result = rc;
*/
static int mdc_dlm_blocking_ast0(const struct lu_env *env,
struct ldlm_lock *dlmlock,
- void *data, int flag)
+ int flag)
{
struct cl_object *obj = NULL;
int result = 0;
break;
}
- rc = mdc_dlm_blocking_ast0(env, dlmlock, data, flag);
+ rc = mdc_dlm_blocking_ast0(env, dlmlock, flag);
cl_env_put(env, &refcheck);
break;
}
*
* Called under lock and resource spin-locks.
*/
-static void mdc_lock_lvb_update(const struct lu_env *env,
- struct osc_object *osc,
- struct ldlm_lock *dlmlock,
- struct ost_lvb *lvb)
+void mdc_lock_lvb_update(const struct lu_env *env, struct osc_object *osc,
+ struct ldlm_lock *dlmlock, struct ost_lvb *lvb)
{
struct cl_object *obj = osc2cl(osc);
struct lov_oinfo *oinfo = osc->oo_oinfo;
struct cl_attr *attr = &osc_env_info(env)->oti_attr;
unsigned valid = CAT_BLOCKS | CAT_ATIME | CAT_CTIME | CAT_MTIME |
CAT_SIZE;
+ unsigned int setkms = 0;
ENTRY;
size = lvb->lvb_size;
if (size >= oinfo->loi_kms) {
- LDLM_DEBUG(dlmlock, "lock acquired, setting rss=%llu,"
- " kms=%llu", lvb->lvb_size, size);
valid |= CAT_KMS;
attr->cat_kms = size;
- } else {
- LDLM_DEBUG(dlmlock, "lock acquired, setting rss=%llu,"
- " leaving kms=%llu, end=%llu",
- lvb->lvb_size, oinfo->loi_kms,
- dlmlock->l_policy_data.l_extent.end);
+ setkms = 1;
}
}
+
+ /* The size should not be less than the kms */
+ if (attr->cat_size < oinfo->loi_kms)
+ attr->cat_size = oinfo->loi_kms;
+
+ LDLM_DEBUG(dlmlock, "acquired size %llu, setting rss=%llu;%s "
+ "kms=%llu, end=%llu", lvb->lvb_size, attr->cat_size,
+ setkms ? "" : " leaving",
+ setkms ? attr->cat_kms : oinfo->loi_kms,
+ dlmlock ? dlmlock->l_policy_data.l_extent.end : -1ull);
+
cl_object_attr_update(env, obj, attr, valid);
cl_object_attr_unlock(obj);
EXIT;
}
static void mdc_lock_granted(const struct lu_env *env, struct osc_lock *oscl,
- struct lustre_handle *lockh, bool lvb_update)
+ struct lustre_handle *lockh)
{
+ struct osc_object *osc = cl2osc(oscl->ols_cl.cls_obj);
struct ldlm_lock *dlmlock;
ENTRY;
descr->cld_end = CL_PAGE_EOF;
/* no lvb update for matched lock */
- if (lvb_update) {
+ if (!ldlm_is_lvb_cached(dlmlock)) {
LASSERT(oscl->ols_flags & LDLM_FL_LVB_READY);
- mdc_lock_lvb_update(env, cl2osc(oscl->ols_cl.cls_obj),
- dlmlock, NULL);
+ LASSERT(osc == dlmlock->l_ast_data);
+ mdc_lock_lvb_update(env, osc, dlmlock, NULL);
+ ldlm_set_lvb_cached(dlmlock);
}
}
unlock_res_and_lock(dlmlock);
CDEBUG(D_INODE, "rc %d, err %d\n", rc, errcode);
if (rc == 0)
- mdc_lock_granted(env, oscl, lockh, errcode == ELDLM_OK);
+ mdc_lock_granted(env, oscl, lockh);
/* Error handling, some errors are tolerable. */
if (oscl->ols_locklessable && rc == -EUSERS) {
lvb->lvb_mtime = body->mbo_mtime;
lvb->lvb_atime = body->mbo_atime;
lvb->lvb_ctime = body->mbo_ctime;
- lvb->lvb_blocks = body->mbo_blocks;
- lvb->lvb_size = body->mbo_size;
+ lvb->lvb_blocks = body->mbo_dom_blocks;
+ lvb->lvb_size = body->mbo_dom_size;
+
RETURN(0);
}
}
int mdc_enqueue_interpret(const struct lu_env *env, struct ptlrpc_request *req,
- struct osc_enqueue_args *aa, int rc)
+ void *args, int rc)
{
+ struct osc_enqueue_args *aa = args;
struct ldlm_lock *lock;
struct lustre_handle *lockh = &aa->oa_lockh;
enum ldlm_mode mode = aa->oa_mode;
* when other sync requests do not get released lock from a client, the client
* is excluded from the cluster -- such scenarious make the life difficult, so
* release locks just after they are obtained. */
-int mdc_enqueue_send(struct obd_export *exp, struct ldlm_res_id *res_id,
- __u64 *flags, union ldlm_policy_data *policy,
+int mdc_enqueue_send(const struct lu_env *env, struct obd_export *exp,
+ struct ldlm_res_id *res_id, __u64 *flags,
+ union ldlm_policy_data *policy,
struct ost_lvb *lvb, int kms_valid,
osc_enqueue_upcall_f upcall, void *cookie,
struct ldlm_enqueue_info *einfo, int async)
enum ldlm_mode mode;
bool glimpse = *flags & LDLM_FL_HAS_INTENT;
__u64 match_flags = *flags;
- int rc;
+ struct list_head cancels = LIST_HEAD_INIT(cancels);
+ int rc, count;
ENTRY;
- if (!kms_valid)
- goto no_match;
-
mode = einfo->ei_mode;
if (einfo->ei_mode == LCK_PR)
mode |= LCK_PW;
- if (!glimpse)
+ if (glimpse)
match_flags |= LDLM_FL_BLOCK_GRANTED;
+ /* DOM locking uses LDLM_FL_KMS_IGNORE to mark locks wich have no valid
+ * LVB information, e.g. canceled locks or locks of just pruned object,
+ * such locks should be skipped.
+ */
mode = ldlm_lock_match(obd->obd_namespace, match_flags, res_id,
einfo->ei_type, policy, mode, &lockh, 0);
if (mode) {
RETURN(ELDLM_OK);
matched = ldlm_handle2lock(&lockh);
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDC_GLIMPSE_DDOS))
+ ldlm_set_kms_ignore(matched);
+
if (mdc_set_dom_lock_data(matched, einfo->ei_cbdata)) {
*flags |= LDLM_FL_LVB_READY;
ldlm_lock_decref(&lockh, mode);
LDLM_LOCK_PUT(matched);
RETURN(ELDLM_OK);
- } else {
- ldlm_lock_decref(&lockh, mode);
- LDLM_LOCK_PUT(matched);
}
+ ldlm_lock_decref(&lockh, mode);
+ LDLM_LOCK_PUT(matched);
}
-no_match:
if (*flags & (LDLM_FL_TEST_LOCK | LDLM_FL_MATCH_LOCK))
RETURN(-ENOLCK);
if (req == NULL)
RETURN(-ENOMEM);
- rc = ldlm_prep_enqueue_req(exp, req, NULL, 0);
+ /* For WRITE lock cancel other locks on resource early if any */
+ if (einfo->ei_mode & LCK_PW)
+ count = mdc_resource_get_unused_res(exp, res_id, &cancels,
+ einfo->ei_mode,
+ MDS_INODELOCK_DOM);
+ else
+ count = 0;
+
+ rc = ldlm_prep_enqueue_req(exp, req, &cancels, count);
if (rc < 0) {
ptlrpc_request_free(req);
RETURN(rc);
if (!rc) {
struct osc_enqueue_args *aa;
- CLASSERT(sizeof(*aa) <= sizeof(req->rq_async_args));
- aa = ptlrpc_req_async_args(req);
+ aa = ptlrpc_req_async_args(aa, req);
aa->oa_exp = exp;
aa->oa_mode = einfo->ei_mode;
aa->oa_type = einfo->ei_type;
aa->oa_flags = flags;
aa->oa_lvb = lvb;
- req->rq_interpret_reply =
- (ptlrpc_interpterer_t)mdc_enqueue_interpret;
+ req->rq_interpret_reply = mdc_enqueue_interpret;
ptlrpcd_add_req(req);
} else {
ptlrpc_req_finished(req);
fid_build_reg_res_name(lu_object_fid(osc2lu(osc)), resname);
mdc_lock_build_policy(env, policy);
LASSERT(!oscl->ols_speculative);
- result = mdc_enqueue_send(osc_export(osc), resname, &oscl->ols_flags,
- policy, &oscl->ols_lvb,
- osc->oo_oinfo->loi_kms_valid,
+ result = mdc_enqueue_send(env, osc_export(osc), resname,
+ &oscl->ols_flags, policy,
+ &oscl->ols_lvb, osc->oo_oinfo->loi_kms_valid,
upcall, cookie, &oscl->ols_einfo, async);
if (result == 0) {
if (osc_lock_is_lockless(oscl)) {
return 0;
}
+static int mdc_get_lock_handle(const struct lu_env *env, struct osc_object *osc,
+ pgoff_t index, struct lustre_handle *lh)
+{
+ struct ldlm_lock *lock;
+
+ /* find DOM lock protecting object */
+ lock = mdc_dlmlock_at_pgoff(env, osc, index,
+ OSC_DAP_FL_TEST_LOCK |
+ OSC_DAP_FL_CANCELING);
+ if (lock == NULL) {
+ struct ldlm_resource *res;
+ struct ldlm_res_id *resname;
+
+ resname = &osc_env_info(env)->oti_resname;
+ fid_build_reg_res_name(lu_object_fid(osc2lu(osc)), resname);
+ res = ldlm_resource_get(osc_export(osc)->exp_obd->obd_namespace,
+ NULL, resname, LDLM_IBITS, 0);
+ ldlm_resource_dump(D_ERROR, res);
+ libcfs_debug_dumpstack(NULL);
+ return -ENOENT;
+ } else {
+ *lh = lock->l_remote_handle;
+ LDLM_LOCK_PUT(lock);
+ }
+ return 0;
+}
+
static int mdc_io_setattr_start(const struct lu_env *env,
const struct cl_io_slice *slice)
{
struct obdo *oa = &oio->oi_oa;
struct osc_async_cbargs *cbargs = &oio->oi_cbarg;
__u64 size = io->u.ci_setattr.sa_attr.lvb_size;
- unsigned int ia_valid = io->u.ci_setattr.sa_valid;
+ unsigned int ia_avalid = io->u.ci_setattr.sa_avalid;
+ enum op_xvalid ia_xvalid = io->u.ci_setattr.sa_xvalid;
int rc;
/* silently ignore non-truncate setattr for Data-on-MDT object */
struct ost_lvb *lvb = &io->u.ci_setattr.sa_attr;
unsigned int cl_valid = 0;
- if (ia_valid & ATTR_SIZE) {
- attr->cat_size = attr->cat_kms = size;
+ if (ia_avalid & ATTR_SIZE) {
+ attr->cat_size = size;
+ attr->cat_kms = size;
cl_valid = (CAT_SIZE | CAT_KMS);
}
- if (ia_valid & ATTR_MTIME_SET) {
+ if (ia_avalid & ATTR_MTIME_SET) {
attr->cat_mtime = lvb->lvb_mtime;
cl_valid |= CAT_MTIME;
}
- if (ia_valid & ATTR_ATIME_SET) {
+ if (ia_avalid & ATTR_ATIME_SET) {
attr->cat_atime = lvb->lvb_atime;
cl_valid |= CAT_ATIME;
}
- if (ia_valid & ATTR_CTIME_SET) {
+ if (ia_xvalid & OP_XVALID_CTIME_SET) {
attr->cat_ctime = lvb->lvb_ctime;
cl_valid |= CAT_CTIME;
}
return rc;
}
- if (!(ia_valid & ATTR_SIZE))
+ if (!(ia_avalid & ATTR_SIZE))
return 0;
memset(oa, 0, sizeof(*oa));
if (oio->oi_lockless) {
oa->o_flags = OBD_FL_SRVLOCK;
oa->o_valid |= OBD_MD_FLFLAGS;
+ } else {
+ rc = mdc_get_lock_handle(env, cl2osc(obj), CL_PAGE_EOF,
+ &oa->o_handle);
+ if (!rc)
+ oa->o_valid |= OBD_MD_FLHANDLE;
}
init_completion(&cbargs->opc_sync);
RETURN(0);
}
+int mdc_io_fsync_start(const struct lu_env *env,
+ const struct cl_io_slice *slice)
+{
+ struct cl_io *io = slice->cis_io;
+ struct cl_fsync_io *fio = &io->u.ci_fsync;
+ struct cl_object *obj = slice->cis_obj;
+ struct osc_object *osc = cl2osc(obj);
+ int result = 0;
+
+ ENTRY;
+
+ /* a MDC lock always covers whole object, do sync for whole
+ * possible range despite of supplied start/end values.
+ */
+ result = osc_cache_writeback_range(env, osc, 0, CL_PAGE_EOF, 0,
+ fio->fi_mode == CL_FSYNC_DISCARD);
+ if (result > 0) {
+ fio->fi_nr_written += result;
+ result = 0;
+ }
+ if (fio->fi_mode == CL_FSYNC_ALL) {
+ int rc;
+
+ rc = osc_cache_wait_range(env, osc, 0, CL_PAGE_EOF);
+ if (result == 0)
+ result = rc;
+ /* Use OSC sync code because it is asynchronous.
+ * It is to be added into MDC and avoid the using of
+ * OST_SYNC at both MDC and MDT.
+ */
+ rc = osc_fsync_ost(env, osc, fio);
+ if (result == 0)
+ result = rc;
+ }
+
+ RETURN(result);
+}
+
+struct mdc_data_version_args {
+ struct osc_io *dva_oio;
+};
+
+static int
+mdc_data_version_interpret(const struct lu_env *env, struct ptlrpc_request *req,
+ void *args, int rc)
+{
+ struct mdc_data_version_args *dva = args;
+ struct osc_io *oio = dva->dva_oio;
+ const struct mdt_body *body;
+
+ ENTRY;
+ if (rc < 0)
+ GOTO(out, rc);
+
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ GOTO(out, rc = -EPROTO);
+
+ /* Prepare OBDO from mdt_body for CLIO */
+ oio->oi_oa.o_valid = body->mbo_valid;
+ oio->oi_oa.o_flags = body->mbo_flags;
+ oio->oi_oa.o_data_version = body->mbo_version;
+ oio->oi_oa.o_layout_version = body->mbo_layout_gen;
+ EXIT;
+out:
+ oio->oi_cbarg.opc_rc = rc;
+ complete(&oio->oi_cbarg.opc_sync);
+ return 0;
+}
+
+static int mdc_io_data_version_start(const struct lu_env *env,
+ const struct cl_io_slice *slice)
+{
+ struct cl_data_version_io *dv = &slice->cis_io->u.ci_data_version;
+ struct osc_io *oio = cl2osc_io(env, slice);
+ struct osc_async_cbargs *cbargs = &oio->oi_cbarg;
+ struct osc_object *obj = cl2osc(slice->cis_obj);
+ struct obd_export *exp = osc_export(obj);
+ struct ptlrpc_request *req;
+ struct mdt_body *body;
+ struct mdc_data_version_args *dva;
+ int rc;
+
+ ENTRY;
+
+ memset(&oio->oi_oa, 0, sizeof(oio->oi_oa));
+ oio->oi_oa.o_oi.oi_fid = *lu_object_fid(osc2lu(obj));
+ oio->oi_oa.o_valid = OBD_MD_FLID;
+
+ init_completion(&cbargs->opc_sync);
+
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_GETATTR);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR);
+ if (rc < 0) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
+ body = req_capsule_client_get(&req->rq_pill, &RMF_MDT_BODY);
+ body->mbo_fid1 = *lu_object_fid(osc2lu(obj));
+ body->mbo_valid = OBD_MD_FLID;
+ /* Indicate that data version is needed */
+ body->mbo_valid |= OBD_MD_FLDATAVERSION;
+ body->mbo_flags = 0;
+
+ if (dv->dv_flags & (LL_DV_RD_FLUSH | LL_DV_WR_FLUSH)) {
+ body->mbo_valid |= OBD_MD_FLFLAGS;
+ body->mbo_flags |= OBD_FL_SRVLOCK;
+ if (dv->dv_flags & LL_DV_WR_FLUSH)
+ body->mbo_flags |= OBD_FL_FLUSH;
+ }
+
+ req_capsule_set_size(&req->rq_pill, &RMF_ACL, RCL_SERVER, 0);
+ req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER, 0);
+ ptlrpc_request_set_replen(req);
+
+ req->rq_interpret_reply = mdc_data_version_interpret;
+ dva = ptlrpc_req_async_args(dva, req);
+ dva->dva_oio = oio;
+
+ ptlrpcd_add_req(req);
+
+ RETURN(0);
+}
+
+static void mdc_io_data_version_end(const struct lu_env *env,
+ const struct cl_io_slice *slice)
+{
+ struct cl_data_version_io *dv = &slice->cis_io->u.ci_data_version;
+ struct osc_io *oio = cl2osc_io(env, slice);
+ struct osc_async_cbargs *cbargs = &oio->oi_cbarg;
+
+ ENTRY;
+ wait_for_completion(&cbargs->opc_sync);
+
+ if (cbargs->opc_rc != 0) {
+ slice->cis_io->ci_result = cbargs->opc_rc;
+ } else {
+ slice->cis_io->ci_result = 0;
+ if (!(oio->oi_oa.o_valid &
+ (OBD_MD_LAYOUT_VERSION | OBD_MD_FLDATAVERSION)))
+ slice->cis_io->ci_result = -ENOTSUPP;
+
+ if (oio->oi_oa.o_valid & OBD_MD_LAYOUT_VERSION)
+ dv->dv_layout_version = oio->oi_oa.o_layout_version;
+ if (oio->oi_oa.o_valid & OBD_MD_FLDATAVERSION)
+ dv->dv_data_version = oio->oi_oa.o_data_version;
+ }
+
+ EXIT;
+}
+
static struct cl_io_operations mdc_io_ops = {
.op = {
[CIT_READ] = {
- .cio_iter_init = osc_io_iter_init,
- .cio_iter_fini = osc_io_iter_fini,
+ .cio_iter_init = osc_io_rw_iter_init,
+ .cio_iter_fini = osc_io_rw_iter_fini,
.cio_start = osc_io_read_start,
},
[CIT_WRITE] = {
- .cio_iter_init = osc_io_write_iter_init,
- .cio_iter_fini = osc_io_write_iter_fini,
+ .cio_iter_init = osc_io_rw_iter_init,
+ .cio_iter_fini = osc_io_rw_iter_fini,
.cio_start = osc_io_write_start,
.cio_end = osc_io_end,
},
.cio_start = mdc_io_setattr_start,
.cio_end = osc_io_setattr_end,
},
- /* no support for data version so far */
[CIT_DATA_VERSION] = {
- .cio_start = NULL,
- .cio_end = NULL,
+ .cio_start = mdc_io_data_version_start,
+ .cio_end = mdc_io_data_version_end,
},
[CIT_FAULT] = {
.cio_iter_init = osc_io_iter_init,
.cio_end = osc_io_end,
},
[CIT_FSYNC] = {
- .cio_start = osc_io_fsync_start,
+ .cio_start = mdc_io_fsync_start,
.cio_end = osc_io_fsync_end,
},
},
attr->cra_oa->o_valid |= OBD_MD_FLID;
if (flags & OBD_MD_FLHANDLE) {
- struct ldlm_lock *lock; /* _some_ lock protecting @apage */
struct osc_page *opg;
opg = osc_cl_page_osc(attr->cra_page, cl2osc(obj));
- lock = mdc_dlmlock_at_pgoff(env, cl2osc(obj), osc_index(opg),
- OSC_DAP_FL_TEST_LOCK | OSC_DAP_FL_CANCELING);
- if (lock == NULL && !opg->ops_srvlock) {
- struct ldlm_resource *res;
- struct ldlm_res_id *resname;
-
- CL_PAGE_DEBUG(D_ERROR, env, attr->cra_page,
- "uncovered page!\n");
-
- resname = &osc_env_info(env)->oti_resname;
- mdc_build_res_name(cl2osc(obj), resname);
- res = ldlm_resource_get(
- osc_export(cl2osc(obj))->exp_obd->obd_namespace,
- NULL, resname, LDLM_IBITS, 0);
- ldlm_resource_dump(D_ERROR, res);
-
- libcfs_debug_dumpstack(NULL);
- LBUG();
- }
-
- /* check for lockless io. */
- if (lock != NULL) {
- attr->cra_oa->o_handle = lock->l_remote_handle;
- attr->cra_oa->o_valid |= OBD_MD_FLHANDLE;
- LDLM_LOCK_PUT(lock);
+ if (!opg->ops_srvlock) {
+ int rc;
+
+ rc = mdc_get_lock_handle(env, cl2osc(obj),
+ osc_index(opg),
+ &attr->cra_oa->o_handle);
+ if (rc) {
+ CL_PAGE_DEBUG(D_ERROR, env, attr->cra_page,
+ "uncovered page!\n");
+ LBUG();
+ } else {
+ attr->cra_oa->o_valid |= OBD_MD_FLHANDLE;
+ }
}
}
}
return osc_attr_get(env, obj, attr);
}
+static int mdc_object_ast_clear(struct ldlm_lock *lock, void *data)
+{
+ struct osc_object *osc = (struct osc_object *)data;
+ struct ost_lvb *lvb = &lock->l_ost_lvb;
+ struct lov_oinfo *oinfo;
+ ENTRY;
+
+ if (lock->l_ast_data == data) {
+ lock->l_ast_data = NULL;
+
+ LASSERT(osc != NULL);
+ LASSERT(osc->oo_oinfo != NULL);
+ LASSERT(lvb != NULL);
+
+ /* Updates lvb in lock by the cached oinfo */
+ oinfo = osc->oo_oinfo;
+
+ LDLM_DEBUG(lock, "update lock size %llu blocks %llu [cma]time: "
+ "%llu %llu %llu by oinfo size %llu blocks %llu "
+ "[cma]time %llu %llu %llu", lvb->lvb_size,
+ lvb->lvb_blocks, lvb->lvb_ctime, lvb->lvb_mtime,
+ lvb->lvb_atime, oinfo->loi_lvb.lvb_size,
+ oinfo->loi_lvb.lvb_blocks, oinfo->loi_lvb.lvb_ctime,
+ oinfo->loi_lvb.lvb_mtime, oinfo->loi_lvb.lvb_atime);
+ LASSERT(oinfo->loi_lvb.lvb_size >= oinfo->loi_kms);
+
+ cl_object_attr_lock(&osc->oo_cl);
+ memcpy(lvb, &oinfo->loi_lvb, sizeof(oinfo->loi_lvb));
+ cl_object_attr_unlock(&osc->oo_cl);
+ ldlm_clear_lvb_cached(lock);
+ }
+ RETURN(LDLM_ITER_CONTINUE);
+}
+
+int mdc_object_prune(const struct lu_env *env, struct cl_object *obj)
+{
+ struct osc_object *osc = cl2osc(obj);
+ struct ldlm_res_id *resname = &osc_env_info(env)->oti_resname;
+
+ /* DLM locks don't hold a reference of osc_object so we have to
+ * clear it before the object is being destroyed. */
+ osc_build_res_name(osc, resname);
+ ldlm_resource_iterate(osc_export(osc)->exp_obd->obd_namespace, resname,
+ mdc_object_ast_clear, osc);
+ return 0;
+}
+
+static int mdc_object_flush(const struct lu_env *env, struct cl_object *obj,
+ struct ldlm_lock *lock)
+{
+ RETURN(mdc_dlm_blocking_ast0(env, lock, LDLM_CB_CANCELING));
+}
+
static const struct cl_object_operations mdc_ops = {
.coo_page_init = osc_page_init,
.coo_lock_init = mdc_lock_init,
.coo_attr_update = osc_attr_update,
.coo_glimpse = osc_object_glimpse,
.coo_req_attr_set = mdc_req_attr_set,
- .coo_prune = osc_object_prune,
+ .coo_prune = mdc_object_prune,
+ .coo_object_flush = mdc_object_flush
};
static const struct osc_object_operations mdc_object_ops = {
return obj;
}
-static int mdc_cl_process_config(const struct lu_env *env,
- struct lu_device *d, struct lustre_cfg *cfg)
+static int mdc_process_config(const struct lu_env *env, struct lu_device *d,
+ struct lustre_cfg *cfg)
{
- return mdc_process_config(d->ld_obd, 0, cfg);
+ size_t count = class_modify_config(cfg, PARAM_MDC,
+ &d->ld_obd->obd_kset.kobj);
+ return count > 0 ? 0 : count;
}
const struct lu_device_operations mdc_lu_ops = {
.ldo_object_alloc = mdc_object_alloc,
- .ldo_process_config = mdc_cl_process_config,
+ .ldo_process_config = mdc_process_config,
.ldo_recovery_complete = NULL,
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff