}
+/*
+ * Lazy ATIME update to refresh atime every ofd_atime_diff
+ * seconds so that external scanning tool can see it actual
+ * within that period and be able to identify accessed files
+ */
+static void ofd_handle_atime(const struct lu_env *env, struct ofd_device *ofd,
+ struct ofd_object *fo, time64_t atime)
+{
+ struct lu_attr *la;
+ struct dt_object *o;
+ struct thandle *th;
+ int rc;
+
+ if (ofd->ofd_atime_diff == 0)
+ return;
+
+ la = &ofd_info(env)->fti_attr2;
+ o = ofd_object_child(fo);
+
+ if (unlikely(fo->ofo_atime_ondisk == 0)) {
+ rc = dt_attr_get(env, o, la);
+ if (unlikely(rc))
+ return;
+ LASSERT(la->la_valid & LA_ATIME);
+ if (la->la_atime == 0)
+ la->la_atime = la->la_mtime;
+ fo->ofo_atime_ondisk = la->la_atime;
+ }
+ if (atime - fo->ofo_atime_ondisk < ofd->ofd_atime_diff)
+ return;
+
+ /* atime hasn't been updated too long, update it */
+ fo->ofo_atime_ondisk = atime;
+
+ th = ofd_trans_create(env, ofd);
+ if (IS_ERR(th)) {
+ CERROR("%s: cannot create transaction: rc = %d\n",
+ ofd_name(ofd), (int)PTR_ERR(th));
+ return;
+ }
+
+ la->la_valid = LA_ATIME;
+ rc = dt_declare_attr_set(env, o, la, th);
+ if (rc)
+ GOTO(out_tx, rc);
+
+ rc = dt_trans_start_local(env, ofd->ofd_osd , th);
+ if (rc) {
+ CERROR("%s: cannot start transaction: rc = %d\n",
+ ofd_name(ofd), rc);
+ GOTO(out_tx, rc);
+ }
+
+ ofd_read_lock(env, fo);
+ if (ofd_object_exists(fo)) {
+ la->la_atime = fo->ofo_atime_ondisk;
+ rc = dt_attr_set(env, o, la, th);
+ }
+
+ ofd_read_unlock(env, fo);
+
+out_tx:
+ ofd_trans_stop(env, ofd, th, rc);
+}
+
/**
* Prepare buffers for read request processing.
*
int i, j, rc, tot_bytes = 0;
enum dt_bufs_type dbt = DT_BUFS_TYPE_READ;
int maxlnb = *nr_local;
+ __u64 begin, end;
ENTRY;
LASSERT(env != NULL);
RETURN(PTR_ERR(fo));
LASSERT(fo != NULL);
+ ofd_info(env)->fti_obj = fo;
+
+ if (oa->o_valid & OBD_MD_FLATIME)
+ ofd_handle_atime(env, ofd, fo, oa->o_atime);
+
ofd_read_lock(env, fo);
if (!ofd_object_exists(fo))
GOTO(unlock, rc = -ENOENT);
if (ptlrpc_connection_is_local(exp->exp_connection))
dbt |= DT_BUFS_TYPE_LOCAL;
+ begin = -1;
+ end = 0;
+
for (*nr_local = 0, i = 0, j = 0; i < niocount; i++) {
+ begin = min_t(__u64, begin, rnb[i].rnb_offset);
+ end = max_t(__u64, end, rnb[i].rnb_offset + rnb[i].rnb_len);
if (OBD_FAIL_CHECK(OBD_FAIL_OST_2BIG_NIOBUF))
rnb[i].rnb_len = 100 * 1024 * 1024;
}
LASSERT(*nr_local > 0 && *nr_local <= PTLRPC_MAX_BRW_PAGES);
- rc = dt_attr_get(env, ofd_object_child(fo), la);
- if (unlikely(rc))
- GOTO(buf_put, rc);
-
rc = dt_read_prep(env, ofd_object_child(fo), lnb, *nr_local);
if (unlikely(rc))
GOTO(buf_put, rc);
+ ofd_access(ofd,
+ &(struct lu_fid) {
+ .f_seq = oa->o_parent_seq,
+ .f_oid = oa->o_parent_oid,
+ .f_ver = oa->o_stripe_idx,
+ },
+ begin, end,
+ tot_bytes,
+ niocount,
+ READ);
+
ofd_counter_incr(exp, LPROC_OFD_STATS_READ, jobid, tot_bytes);
RETURN(0);
int i, j, k, rc = 0, tot_bytes = 0;
enum dt_bufs_type dbt = DT_BUFS_TYPE_WRITE;
int maxlnb = *nr_local;
+ __u64 begin, end;
ENTRY;
LASSERT(env != NULL);
GOTO(out, rc = PTR_ERR(fo));
LASSERT(fo != NULL);
+ ofd_info(env)->fti_obj = fo;
+
ofd_read_lock(env, fo);
if (!ofd_object_exists(fo)) {
CERROR("%s: BRW to missing obj "DOSTID"\n",
if (ptlrpc_connection_is_local(exp->exp_connection))
dbt |= DT_BUFS_TYPE_LOCAL;
+ begin = -1;
+ end = 0;
+
/* parse remote buffers to local buffers and prepare the latter */
for (*nr_local = 0, i = 0, j = 0; i < obj->ioo_bufcnt; i++) {
+ begin = min_t(__u64, begin, rnb[i].rnb_offset);
+ end = max_t(__u64, end, rnb[i].rnb_offset + rnb[i].rnb_len);
+
if (OBD_FAIL_CHECK(OBD_FAIL_OST_2BIG_NIOBUF))
rnb[i].rnb_len += PAGE_SIZE;
rc = dt_bufs_get(env, ofd_object_child(fo),
GOTO(err, rc);
ofd_read_unlock(env, fo);
+
+ ofd_access(ofd,
+ &(struct lu_fid) {
+ .f_seq = oa->o_parent_seq,
+ .f_oid = oa->o_parent_oid,
+ .f_ver = oa->o_stripe_idx,
+ },
+ begin, end,
+ tot_bytes,
+ obj->ioo_bufcnt,
+ WRITE);
+
ofd_counter_incr(exp, LPROC_OFD_STATS_WRITE, jobid, tot_bytes);
RETURN(0);
err:
int rc = 0;
if (*nr_local > PTLRPC_MAX_BRW_PAGES) {
- CERROR("%s: bulk has too many pages %d, which exceeds the"
- "maximum pages per RPC of %d\n",
+ CERROR("%s: bulk has too many pages %d, which exceeds the maximum pages per RPC of %d\n",
exp->exp_obd->obd_name, *nr_local, PTLRPC_MAX_BRW_PAGES);
RETURN(-EPROTO);
}
rc = ofd_preprw_read(env, exp, ofd, fid, &info->fti_attr, oa,
obj->ioo_bufcnt, rnb, nr_local, lnb,
jobid);
- obdo_from_la(oa, &info->fti_attr, LA_ATIME);
} else {
CERROR("%s: wrong cmd %d received!\n",
exp->exp_obd->obd_name, cmd);
LASSERT(niocount > 0);
- fo = ofd_object_find(env, ofd, fid);
- if (IS_ERR(fo))
- RETURN(PTR_ERR(fo));
+ fo = ofd_info(env)->fti_obj;
LASSERT(fo != NULL);
LASSERT(ofd_object_exists(fo));
dt_bufs_put(env, ofd_object_child(fo), lnb, niocount);
ofd_read_unlock(env, fo);
ofd_object_put(env, fo);
- /* second put is pair to object_get in ofd_preprw_read */
- ofd_object_put(env, fo);
RETURN(0);
}
LASSERT(objcount == 1);
- fo = ofd_object_find(env, ofd, fid);
+ fo = ofd_info(env)->fti_obj;
LASSERT(fo != NULL);
o = ofd_object_child(fo);
GOTO(out_stop, rc);
}
+ /* don't update atime on disk if it is older */
+ if (la->la_valid & LA_ATIME && la->la_atime <= fo->ofo_atime_ondisk)
+ la->la_valid &= ~LA_ATIME;
+
if (la->la_valid) {
/* update [mac]time if needed */
rc = dt_declare_attr_set(env, o, la, th);
GOTO(out_unlock, rc = -ENOENT);
if (likely(!fake_write)) {
- rc = dt_write_commit(env, o, lnb, niocount, th);
+ OBD_FAIL_TIMEOUT_ORSET(OBD_FAIL_OST_WR_ATTR_DELAY,
+ OBD_FAIL_ONCE, cfs_fail_val);
+ rc = dt_write_commit(env, o, lnb, niocount, th, oa->o_size);
if (rc)
GOTO(out_unlock, rc);
}
rc = dt_attr_set(env, o, la, th);
if (rc)
GOTO(out_unlock, rc);
+ if (la->la_valid & LA_ATIME)
+ fo->ofo_atime_ondisk = la->la_atime;
}
/* get attr to return */
out:
dt_bufs_put(env, o, lnb, niocount);
ofd_object_put(env, fo);
- /* second put is pair to object_get in ofd_preprw_write */
- ofd_object_put(env, fo);
if (granted > 0)
tgt_grant_commit(exp, granted, old_rc);
RETURN(rc);
struct ofd_thread_info *info = ofd_info(env);
struct ofd_device *ofd = ofd_exp(exp);
const struct lu_fid *fid = &oa->o_oi.oi_fid;
+ struct ldlm_namespace *ns = ofd->ofd_namespace;
+ struct ldlm_resource *rs = NULL;
__u64 valid;
int rc = 0;
oa->o_valid |= OBD_MD_FLALLQUOTA;
}
+ /**
+ * Update LVB after writing finish for server lock, see
+ * comments in ldlm_lock_decref_internal(), If this is a
+ * local lock on a server namespace and this was the last
+ * reference, lock will be destroyed directly thus there
+ * is no chance for ldlm_request_cancel() to update lvb.
+ */
+ if (rc == 0 && (rnb[0].rnb_flags & OBD_BRW_SRVLOCK)) {
+ ost_fid_build_resid(fid, &info->fti_resid);
+ rs = ldlm_resource_get(ns, NULL, &info->fti_resid,
+ LDLM_EXTENT, 0);
+ if (!IS_ERR(rs)) {
+ ldlm_res_lvbo_update(rs, NULL, 1);
+ ldlm_resource_putref(rs);
+ }
+ }
+
/* Convert back to client IDs. LU-9671.
* nodemap_get_from_exp() may fail due to nodemap deactivated,
* server ID will be returned back to client in that case. */
nodemap_putref(nodemap);
}
} else if (cmd == OBD_BRW_READ) {
- struct ldlm_namespace *ns = ofd->ofd_namespace;
-
- /* If oa != NULL then ofd_preprw_read updated the inode
- * atime and we should update the lvb so that other glimpses
- * will also get the updated value. bug 5972 */
- if (oa && ns && ns->ns_lvbo && ns->ns_lvbo->lvbo_update) {
- struct ldlm_resource *rs = NULL;
-
- ost_fid_build_resid(fid, &info->fti_resid);
- rs = ldlm_resource_get(ns, NULL, &info->fti_resid,
- LDLM_EXTENT, 0);
- if (!IS_ERR(rs)) {
- ldlm_res_lvbo_update(rs, NULL, 1);
- ldlm_resource_putref(rs);
- }
- }
rc = ofd_commitrw_read(env, ofd, fid, objcount,
npages, lnb);
if (old_rc)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff