#include <obd_class.h>
#include <lustre_osc.h>
+#include <linux/falloc.h>
+#include <uapi/linux/lustre/lustre_param.h>
#include "mdc_internal.h"
static void mdc_lock_build_policy(const struct lu_env *env,
+ const struct cl_lock *lock,
union ldlm_policy_data *policy)
{
memset(policy, 0, sizeof *policy);
policy->l_inodebits.bits = MDS_INODELOCK_DOM;
+ if (lock) {
+ policy->l_inodebits.li_gid = lock->cll_descr.cld_gid;
+ }
}
int mdc_ldlm_glimpse_ast(struct ldlm_lock *dlmlock, void *data)
einfo->ei_cb_cp = ldlm_completion_ast;
einfo->ei_cb_gl = mdc_ldlm_glimpse_ast;
einfo->ei_cbdata = osc; /* value to be put into ->l_ast_data */
+ einfo->ei_req_slot = 1;
}
static void mdc_lock_lvb_update(const struct lu_env *env,
struct ldlm_lock *dlmlock,
struct ost_lvb *lvb);
-static int mdc_set_dom_lock_data(const struct lu_env *env,
- struct ldlm_lock *lock, void *data)
+static int mdc_set_dom_lock_data(struct ldlm_lock *lock, void *data)
{
- struct osc_object *obj = data;
int set = 0;
LASSERT(lock != NULL);
LASSERT(lock->l_glimpse_ast == mdc_ldlm_glimpse_ast);
lock_res_and_lock(lock);
- if (lock->l_ast_data == NULL) {
- lock->l_ast_data = data;
- mdc_lock_lvb_update(env, obj, lock, NULL);
- }
+ if (lock->l_ast_data == NULL)
+ lock->l_ast_data = data;
if (lock->l_ast_data == data)
set = 1;
}
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, void *data,
- struct lustre_handle *lockh, int unref)
+ 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,
+ enum ldlm_match_flags match_flags)
{
struct obd_device *obd = exp->exp_obd;
__u64 lflags = *flags;
ENTRY;
- rc = ldlm_lock_match(obd->obd_namespace, lflags,
- res_id, type, policy, mode, lockh, unref);
+ rc = ldlm_lock_match_with_skip(obd->obd_namespace, lflags, 0,
+ res_id, type, policy, mode, lockh, match_flags);
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(env, 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;
}
struct ldlm_lock *lock = NULL;
enum ldlm_mode mode;
__u64 flags;
+ enum ldlm_match_flags match_flags = 0;
ENTRY;
fid_build_reg_res_name(lu_object_fid(osc2lu(obj)), resname);
- mdc_lock_build_policy(env, policy);
+ mdc_lock_build_policy(env, NULL, policy);
+ policy->l_inodebits.li_gid = LDLM_GID_ANY;
flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_CBPENDING;
if (dap_flags & OSC_DAP_FL_TEST_LOCK)
flags |= LDLM_FL_TEST_LOCK;
+ if (dap_flags & OSC_DAP_FL_AST)
+ match_flags |= LDLM_MATCH_AST;
+
+ if (dap_flags & OSC_DAP_FL_CANCELING)
+ match_flags |= LDLM_MATCH_UNREF;
+
again:
/* Next, search for already existing extent locks that will cover us */
/* 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(env, osc_export(obj), resname, LDLM_IBITS,
- policy, LCK_PR | LCK_PW, &flags, obj, &lockh,
- dap_flags & OSC_DAP_FL_CANCELING);
+ policy, LCK_PR | LCK_PW | LCK_GROUP, &flags,
+ obj, &lockh, match_flags);
if (mode != 0) {
lock = ldlm_handle2lock(&lockh);
/* RACE: the lock is cancelled so let's try again */
/**
* Check if page @page is covered by an extra lock or discard it.
*/
-static int mdc_check_and_discard_cb(const struct lu_env *env, struct cl_io *io,
- struct osc_page *ops, void *cbdata)
+static bool mdc_check_and_discard_cb(const struct lu_env *env, struct cl_io *io,
+ void **pvec, int count, void *cbdata)
{
struct osc_thread_info *info = osc_env_info(env);
struct osc_object *osc = cbdata;
pgoff_t index;
-
- index = osc_index(ops);
- if (index >= info->oti_fn_index) {
- struct ldlm_lock *tmp;
- struct cl_page *page = ops->ops_cl.cpl_page;
-
- /* refresh non-overlapped index */
- tmp = mdc_dlmlock_at_pgoff(env, osc, index,
- OSC_DAP_FL_TEST_LOCK);
- if (tmp != NULL) {
- info->oti_fn_index = CL_PAGE_EOF;
- LDLM_LOCK_PUT(tmp);
- } else if (cl_page_own(env, io, page) == 0) {
- /* discard the page */
- cl_page_discard(env, io, page);
- cl_page_disown(env, io, page);
- } else {
- LASSERT(page->cp_state == CPS_FREEING);
+ int i;
+
+ for (i = 0; i < count; i++) {
+ struct osc_page *ops = pvec[i];
+
+ index = osc_index(ops);
+ if (index >= info->oti_fn_index) {
+ struct ldlm_lock *tmp;
+ struct cl_page *page = ops->ops_cl.cpl_page;
+
+ /* refresh non-overlapped index */
+ tmp = mdc_dlmlock_at_pgoff(env, osc, index,
+ OSC_DAP_FL_TEST_LOCK | OSC_DAP_FL_AST);
+ if (tmp != NULL) {
+ info->oti_fn_index = CL_PAGE_EOF;
+ LDLM_LOCK_PUT(tmp);
+ } else if (cl_page_own(env, io, page) == 0) {
+ /* discard the page */
+ cl_page_discard(env, io, page);
+ cl_page_disown(env, io, page);
+ } else {
+ LASSERT(page->cp_state == CPS_FREEING);
+ }
}
- }
- info->oti_next_index = index + 1;
- return CLP_GANG_OKAY;
+ info->oti_next_index = index + 1;
+ }
+ return true;
}
/**
struct osc_thread_info *info = osc_env_info(env);
struct cl_io *io = &info->oti_io;
osc_page_gang_cbt cb;
- int res;
int result;
ENTRY;
cb = discard ? osc_discard_cb : mdc_check_and_discard_cb;
info->oti_fn_index = info->oti_next_index = start;
- do {
- res = osc_page_gang_lookup(env, io, osc, info->oti_next_index,
- end, cb, (void *)osc);
- if (info->oti_next_index > end)
- break;
- if (res == CLP_GANG_RESCHED)
- cond_resched();
- } while (res != CLP_GANG_OKAY);
+ osc_page_gang_lookup(env, io, osc, info->oti_next_index,
+ end, cb, (void *)osc);
out:
cl_io_fini(env, io);
RETURN(result);
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;
* Helper for osc_dlm_blocking_ast() handling discrepancies between cl_lock
* and ldlm_lock caches.
*/
-static int mdc_dlm_blocking_ast0(const struct lu_env *env,
- struct ldlm_lock *dlmlock,
- void *data, int flag)
+static int mdc_dlm_canceling(const struct lu_env *env,
+ struct ldlm_lock *dlmlock)
{
struct cl_object *obj = NULL;
int result = 0;
ENTRY;
- LASSERT(flag == LDLM_CB_CANCELING);
- LASSERT(dlmlock != NULL);
-
lock_res_and_lock(dlmlock);
- if (dlmlock->l_granted_mode != dlmlock->l_req_mode) {
+ if (!ldlm_is_granted(dlmlock)) {
dlmlock->l_ast_data = NULL;
unlock_res_and_lock(dlmlock);
RETURN(0);
if (dlmlock->l_ast_data != NULL) {
obj = osc2cl(dlmlock->l_ast_data);
- dlmlock->l_ast_data = NULL;
cl_object_get(obj);
}
- ldlm_set_kms_ignore(dlmlock);
unlock_res_and_lock(dlmlock);
/* if l_ast_data is NULL, the dlmlock was enqueued by AGL or
*/
/* losing a lock, update kms */
lock_res_and_lock(dlmlock);
+ dlmlock->l_ast_data = NULL;
cl_object_attr_lock(obj);
attr->cat_kms = 0;
cl_object_attr_update(env, obj, attr, CAT_KMS);
}
int mdc_ldlm_blocking_ast(struct ldlm_lock *dlmlock,
- struct ldlm_lock_desc *new, void *data, int flag)
+ struct ldlm_lock_desc *new, void *data, int reason)
{
int rc = 0;
ENTRY;
- switch (flag) {
+ switch (reason) {
case LDLM_CB_BLOCKING: {
struct lustre_handle lockh;
break;
}
- rc = mdc_dlm_blocking_ast0(env, dlmlock, data, flag);
+ rc = mdc_dlm_canceling(env, dlmlock);
cl_env_put(env, &refcheck);
break;
}
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",
- lvb->lvb_size, oinfo->loi_kms);
+ setkms = 1;
}
+ ldlm_lock_allow_match_locked(dlmlock);
}
+
+ /* 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;
/* lock reference taken by ldlm_handle2lock_long() is
* owned by osc_lock and released in osc_lock_detach()
*/
- lu_ref_add(&dlmlock->l_reference, "osc_lock", oscl);
+ lu_ref_add_atomic(&dlmlock->l_reference, "osc_lock", oscl);
oscl->ols_has_ref = 1;
LASSERT(oscl->ols_dlmlock == NULL);
/* Lock must have been granted. */
lock_res_and_lock(dlmlock);
- if (dlmlock->l_granted_mode == dlmlock->l_req_mode) {
+ if (ldlm_is_granted(dlmlock)) {
struct cl_lock_descr *descr = &oscl->ols_cl.cls_lock->cll_descr;
/* extend the lock extent, otherwise it will have problem when
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);
/**
* Lock upcall function that is executed either when a reply to ENQUEUE rpc is
- * received from a server, or after osc_enqueue_base() matched a local DLM
+ * received from a server, or after mdc_enqueue_send() matched a local DLM
* lock.
*/
static int mdc_lock_upcall(void *cookie, struct lustre_handle *lockh,
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) {
- /* This is a tolerable error, turn this lock into
- * lockless lock.
- */
- osc_object_set_contended(cl2osc(slice->cls_obj));
- LASSERT(slice->cls_ops != oscl->ols_lockless_ops);
-
- /* Change this lock to ldlmlock-less lock. */
- osc_lock_to_lockless(env, oscl, 1);
- oscl->ols_state = OLS_GRANTED;
- rc = 0;
- } else if (oscl->ols_glimpse && rc == -ENAVAIL) {
+ if (oscl->ols_glimpse && rc == -ENAVAIL) {
LASSERT(oscl->ols_flags & LDLM_FL_LVB_READY);
mdc_lock_lvb_update(env, cl2osc(slice->cls_obj),
NULL, &oscl->ols_lvb);
RETURN(rc);
}
-int mdc_fill_lvb(struct ptlrpc_request *req, struct ost_lvb *lvb)
+/* This is needed only for old servers (before 2.14) support */
+int mdc_fill_lvb(struct req_capsule *pill, struct ost_lvb *lvb)
{
struct mdt_body *body;
- body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ /* get LVB data from mdt_body otherwise */
+ body = req_capsule_server_get(pill, &RMF_MDT_BODY);
if (!body)
RETURN(-EPROTO);
- lvb->lvb_mtime = body->mbo_mtime;
- lvb->lvb_atime = body->mbo_atime;
- lvb->lvb_ctime = body->mbo_ctime;
- lvb->lvb_blocks = body->mbo_dom_blocks;
- lvb->lvb_size = body->mbo_dom_size;
+ if (!(body->mbo_valid & OBD_MD_DOM_SIZE))
+ RETURN(-EPROTO);
+ mdc_body2lvb(body, lvb);
RETURN(0);
}
-int mdc_enqueue_fini(struct ptlrpc_request *req, osc_enqueue_upcall_f upcall,
- void *cookie, struct lustre_handle *lockh,
- enum ldlm_mode mode, __u64 *flags, int errcode)
+int mdc_enqueue_fini(struct obd_export *exp, struct ptlrpc_request *req,
+ osc_enqueue_upcall_f upcall, void *cookie,
+ struct lustre_handle *lockh, enum ldlm_mode mode,
+ __u64 *flags, int errcode)
{
struct osc_lock *ols = cookie;
- struct ldlm_lock *lock;
+ bool glimpse = *flags & LDLM_FL_HAS_INTENT;
int rc = 0;
ENTRY;
- /* The request was created before ldlm_cli_enqueue call. */
- if (errcode == ELDLM_LOCK_ABORTED) {
+ /* needed only for glimpse from an old server (< 2.14) */
+ if (glimpse && !exp_connect_dom_lvb(exp))
+ rc = mdc_fill_lvb(&req->rq_pill, &ols->ols_lvb);
+
+ if (glimpse && errcode == ELDLM_LOCK_ABORTED) {
struct ldlm_reply *rep;
rep = req_capsule_server_get(&req->rq_pill, &RMF_DLM_REP);
- LASSERT(rep != NULL);
-
- rep->lock_policy_res2 =
- ptlrpc_status_ntoh(rep->lock_policy_res2);
- if (rep->lock_policy_res2)
- errcode = rep->lock_policy_res2;
-
- rc = mdc_fill_lvb(req, &ols->ols_lvb);
+ if (likely(rep)) {
+ rep->lock_policy_res2 =
+ ptlrpc_status_ntoh(rep->lock_policy_res2);
+ if (rep->lock_policy_res2)
+ errcode = rep->lock_policy_res2;
+ } else {
+ rc = -EPROTO;
+ }
*flags |= LDLM_FL_LVB_READY;
} else if (errcode == ELDLM_OK) {
+ struct ldlm_lock *lock;
+
/* Callers have references, should be valid always */
lock = ldlm_handle2lock(lockh);
- LASSERT(lock);
- rc = mdc_fill_lvb(req, &lock->l_ost_lvb);
+ /* At this point ols_lvb must be filled with correct LVB either
+ * by mdc_fill_lvb() above or by ldlm_cli_enqueue_fini().
+ * DoM uses l_ost_lvb to store LVB data, so copy it here from
+ * just updated ols_lvb.
+ */
+ lock_res_and_lock(lock);
+ memcpy(&lock->l_ost_lvb, &ols->ols_lvb,
+ sizeof(lock->l_ost_lvb));
+ unlock_res_and_lock(lock);
LDLM_LOCK_PUT(lock);
*flags |= LDLM_FL_LVB_READY;
}
}
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;
+ struct ldlm_enqueue_info einfo = {
+ .ei_type = aa->oa_type,
+ .ei_mode = mode,
+ };
ENTRY;
/* Take an additional reference so that a blocking AST that
* ldlm_cli_enqueue_fini() might post for a failed lock, is guaranteed
* to arrive after an upcall has been executed by
- * osc_enqueue_fini(). */
+ * mdc_enqueue_fini().
+ */
ldlm_lock_addref(lockh, mode);
/* Let cl_lock_state_wait fail with -ERESTARTSYS to unuse sublocks. */
OBD_FAIL_TIMEOUT(OBD_FAIL_OSC_CP_ENQ_RACE, 1);
/* Complete obtaining the lock procedure. */
- rc = ldlm_cli_enqueue_fini(aa->oa_exp, req, aa->oa_type, 1,
- aa->oa_mode, aa->oa_flags, NULL, 0,
- lockh, rc);
+ rc = ldlm_cli_enqueue_fini(aa->oa_exp, req, &einfo, 1, aa->oa_flags,
+ aa->oa_lvb, aa->oa_lvb ?
+ sizeof(*aa->oa_lvb) : 0, lockh, rc, true);
/* Complete mdc stuff. */
- rc = mdc_enqueue_fini(req, aa->oa_upcall, aa->oa_cookie, lockh, mode,
- aa->oa_flags, rc);
+ rc = mdc_enqueue_fini(aa->oa_exp, req, aa->oa_upcall, aa->oa_cookie,
+ lockh, mode, aa->oa_flags, rc);
OBD_FAIL_TIMEOUT(OBD_FAIL_OSC_CP_CANCEL_RACE, 10);
* release locks just after they are obtained. */
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,
+ union ldlm_policy_data *policy, struct ost_lvb *lvb,
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;
+ LIST_HEAD(cancels);
+ int rc, count;
+ int lvb_size;
+ bool compat_glimpse = glimpse && !exp_connect_dom_lvb(exp);
ENTRY;
if (einfo->ei_mode == LCK_PR)
mode |= LCK_PW;
- if (!glimpse)
+ match_flags |= LDLM_FL_LVB_READY;
+ if (glimpse)
match_flags |= LDLM_FL_BLOCK_GRANTED;
mode = ldlm_lock_match(obd->obd_namespace, match_flags, res_id,
- einfo->ei_type, policy, mode, &lockh, 0);
+ einfo->ei_type, policy, mode, &lockh);
if (mode) {
struct ldlm_lock *matched;
RETURN(ELDLM_OK);
matched = ldlm_handle2lock(&lockh);
- if (ldlm_is_kms_ignore(matched))
- goto no_match;
- if (mdc_set_dom_lock_data(env, matched, einfo->ei_cbdata)) {
+ 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;
/* We already have a lock, and it's referenced. */
LDLM_LOCK_PUT(matched);
RETURN(ELDLM_OK);
}
-no_match:
ldlm_lock_decref(&lockh, mode);
LDLM_LOCK_PUT(matched);
}
if (*flags & (LDLM_FL_TEST_LOCK | LDLM_FL_MATCH_LOCK))
RETURN(-ENOLCK);
- req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_LDLM_INTENT);
+ /* Glimpse is intent on old server */
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp), compat_glimpse ?
+ &RQF_LDLM_INTENT : &RQF_LDLM_ENQUEUE);
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);
}
- /* pack the intent */
- lit = req_capsule_client_get(&req->rq_pill, &RMF_LDLM_INTENT);
- lit->opc = glimpse ? IT_GLIMPSE : IT_BRW;
-
- req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER, 0);
- req_capsule_set_size(&req->rq_pill, &RMF_ACL, RCL_SERVER, 0);
- ptlrpc_request_set_replen(req);
+ if (compat_glimpse) {
+ /* pack the glimpse intent */
+ lit = req_capsule_client_get(&req->rq_pill, &RMF_LDLM_INTENT);
+ lit->opc = IT_GLIMPSE;
+ }
/* users of mdc_enqueue() can pass this flag for ldlm_lock_match() */
*flags &= ~LDLM_FL_BLOCK_GRANTED;
- /* All MDC IO locks are intents */
- *flags |= LDLM_FL_HAS_INTENT;
- rc = ldlm_cli_enqueue(exp, &req, einfo, res_id, policy, flags, NULL,
- 0, LVB_T_NONE, &lockh, async);
+
+ if (compat_glimpse) {
+ req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER, 0);
+ req_capsule_set_size(&req->rq_pill, &RMF_ACL, RCL_SERVER, 0);
+ lvb_size = 0;
+ } else {
+ lvb_size = sizeof(*lvb);
+ req_capsule_set_size(&req->rq_pill, &RMF_DLM_LVB, RCL_SERVER,
+ lvb_size);
+ }
+ ptlrpc_request_set_replen(req);
+
+ rc = ldlm_cli_enqueue(exp, &req, einfo, res_id, policy, flags, lvb,
+ lvb_size, LVB_T_OST, &lockh, async);
if (async) {
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_cookie = cookie;
aa->oa_speculative = false;
aa->oa_flags = flags;
- aa->oa_lvb = lvb;
+ aa->oa_lvb = compat_glimpse ? NULL : 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);
RETURN(rc);
}
- rc = mdc_enqueue_fini(req, upcall, cookie, &lockh, einfo->ei_mode,
+ rc = mdc_enqueue_fini(exp, req, upcall, cookie, &lockh, einfo->ei_mode,
flags, rc);
ptlrpc_req_finished(req);
RETURN(rc);
* osc_lock.
*/
fid_build_reg_res_name(lu_object_fid(osc2lu(osc)), resname);
- mdc_lock_build_policy(env, policy);
+ mdc_lock_build_policy(env, lock, policy);
LASSERT(!oscl->ols_speculative);
result = mdc_enqueue_send(env, osc_export(osc), resname,
- &oscl->ols_flags, policy,
- &oscl->ols_lvb, osc->oo_oinfo->loi_kms_valid,
+ &oscl->ols_flags, policy, &oscl->ols_lvb,
upcall, cookie, &oscl->ols_einfo, async);
if (result == 0) {
if (osc_lock_is_lockless(oscl)) {
ols->ols_flags = flags;
ols->ols_speculative = !!(enqflags & CEF_SPECULATIVE);
+ if (lock->cll_descr.cld_mode == CLM_GROUP)
+ ols->ols_flags |= LDLM_FL_ATOMIC_CB;
if (ols->ols_flags & LDLM_FL_HAS_INTENT) {
ols->ols_flags |= LDLM_FL_BLOCK_GRANTED;
if (!(enqflags & CEF_MUST))
osc_lock_to_lockless(env, ols, (enqflags & CEF_NEVER));
- if (ols->ols_locklessable && !(enqflags & CEF_DISCARD_DATA))
- ols->ols_flags |= LDLM_FL_DENY_ON_CONTENTION;
if (io->ci_type == CIT_WRITE || cl_io_is_mkwrite(io))
osc_lock_set_writer(env, io, obj, ols);
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,
+ resname, LDLM_IBITS, 0);
+ if (IS_ERR(res))
+ CERROR("No lock resource for "DFID"\n",
+ PFID(lu_object_fid(osc2lu(osc))));
+ else
+ 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 */
&oio->oi_trunc);
if (rc < 0)
return rc;
+ } else if (cl_io_is_fallocate(io) &&
+ io->u.ci_setattr.sa_falloc_mode & FALLOC_FL_PUNCH_HOLE) {
+ rc = osc_punch_start(env, io, obj);
+ if (rc < 0)
+ return rc;
}
if (oio->oi_lockless == 0) {
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) && !cl_io_is_fallocate(io))
return 0;
memset(oa, 0, sizeof(*oa));
oa->o_mtime = attr->cat_mtime;
oa->o_atime = attr->cat_atime;
oa->o_ctime = attr->cat_ctime;
-
- oa->o_size = size;
- oa->o_blocks = OBD_OBJECT_EOF;
oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP | OBD_MD_FLATIME |
OBD_MD_FLCTIME | OBD_MD_FLMTIME | OBD_MD_FLSIZE |
OBD_MD_FLBLOCKS;
+
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);
+ if (cl_io_is_fallocate(io)) {
+ int falloc_mode = io->u.ci_setattr.sa_falloc_mode;
- rc = osc_punch_send(osc_export(cl2osc(obj)), oa,
- mdc_async_upcall, cbargs);
+ oa->o_size = io->u.ci_setattr.sa_falloc_offset;
+ oa->o_blocks = io->u.ci_setattr.sa_falloc_end;
+ rc = osc_fallocate_base(osc_export(cl2osc(obj)), oa,
+ mdc_async_upcall, cbargs, falloc_mode);
+ } else {
+ oa->o_size = size;
+ oa->o_blocks = OBD_OBJECT_EOF;
+ rc = osc_punch_send(osc_export(cl2osc(obj)), oa,
+ mdc_async_upcall, cbargs);
+ }
cbargs->opc_rpc_sent = rc == 0;
return rc;
}
pgoff_t start, struct cl_read_ahead *ra)
{
struct osc_object *osc = cl2osc(ios->cis_obj);
+ struct osc_io *oio = cl2osc_io(env, ios);
struct ldlm_lock *dlmlock;
ENTRY;
if (dlmlock == NULL)
RETURN(-ENODATA);
+ oio->oi_is_readahead = 1;
if (dlmlock->l_req_mode != LCK_PR) {
struct lustre_handle lockh;
ldlm_lock_decref(&lockh, dlmlock->l_req_mode);
}
- ra->cra_rpc_size = osc_cli(osc)->cl_max_pages_per_rpc;
- ra->cra_end = CL_PAGE_EOF;
+ ra->cra_rpc_pages = osc_cli(osc)->cl_max_pages_per_rpc;
+ ra->cra_end_idx = CL_PAGE_EOF;
ra->cra_release = osc_read_ahead_release;
- ra->cra_cbdata = dlmlock;
+ ra->cra_dlmlock = dlmlock;
+ ra->cra_oio = oio;
RETURN(0);
}
RETURN(result);
}
-static struct cl_io_operations mdc_io_ops = {
+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);
+ req_capsule_set_size(&req->rq_pill, &RMF_FILE_ENCCTX, 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 const 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_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_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_start = mdc_io_fsync_start,
.cio_end = osc_io_fsync_end,
},
+ [CIT_LSEEK] = {
+ .cio_start = osc_io_lseek_start,
+ .cio_end = osc_io_lseek_end,
+ },
},
.cio_read_ahead = mdc_io_read_ahead,
+ .cio_lru_reserve = osc_io_lru_reserve,
.cio_submit = osc_io_submit,
.cio_commit_async = osc_io_commit_async,
+ .cio_extent_release = osc_io_extent_release,
};
int mdc_io_init(const struct lu_env *env, struct cl_object *obj,
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;
+ }
}
}
}
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 == NULL && !ldlm_is_kms_ignore(lock)) ||
- (lock->l_ast_data == data)) {
+ if (lock->l_ast_data == data) {
lock->l_ast_data = NULL;
- ldlm_set_kms_ignore(lock);
+
+ 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);
}
return 0;
}
+static int mdc_object_flush(const struct lu_env *env, struct cl_object *obj,
+ struct ldlm_lock *lock)
+{
+ /* if lock cancel is initiated from llite then it is combined
+ * lock with DOM bit and it may have no l_ast_data initialized yet,
+ * so init it here with given osc_object.
+ */
+ mdc_set_dom_lock_data(lock, cl2osc(obj));
+ RETURN(mdc_dlm_canceling(env, lock));
+}
+
static const struct cl_object_operations mdc_ops = {
.coo_page_init = osc_page_init,
.coo_lock_init = mdc_lock_init,
.coo_glimpse = osc_object_glimpse,
.coo_req_attr_set = mdc_req_attr_set,
.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