forked from vitalif/vitastor
835 lines
27 KiB
C++
835 lines
27 KiB
C++
// Copyright (c) Vitaliy Filippov, 2019+
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// License: VNPL-1.1 (see README.md for details)
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/**
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* CLI tool
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* Currently can (a) remove inodes and (b) merge snapshot/clone layers
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*/
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#include <vector>
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#include <algorithm>
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#include "cpp-btree/safe_btree_set.h"
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#include "epoll_manager.h"
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#include "cluster_client.h"
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#include "pg_states.h"
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#define RM_LISTING 1
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#define RM_REMOVING 2
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#define RM_END 3
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const char *exe_name = NULL;
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struct rm_pg_t
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{
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pg_num_t pg_num;
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osd_num_t rm_osd_num;
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std::set<object_id> objects;
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std::set<object_id>::iterator obj_pos;
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uint64_t obj_count = 0, obj_done = 0, obj_prev_done = 0;
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int state = 0;
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int in_flight = 0;
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};
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struct rm_inode_t;
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struct snap_merger_t;
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class cli_tool_t
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{
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protected:
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uint64_t iodepth = 0, parallel_osds = 0;
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bool progress = true;
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bool list_first = false;
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int log_level = 0;
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int mode = 0;
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ring_loop_t *ringloop = NULL;
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epoll_manager_t *epmgr = NULL;
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cluster_client_t *cli = NULL;
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ring_consumer_t consumer;
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bool started = false;
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rm_inode_t *remover = NULL;
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snap_merger_t *merger = NULL;
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public:
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static json11::Json::object parse_args(int narg, const char *args[])
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{
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json11::Json::object cfg;
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json11::Json::array cmd;
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cfg["progress"] = "1";
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for (int i = 1; i < narg; i++)
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{
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if (!strcmp(args[i], "-h") || !strcmp(args[i], "--help"))
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{
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help();
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}
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else if (args[i][0] == '-' && args[i][1] == '-')
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{
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const char *opt = args[i]+2;
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cfg[opt] = !strcmp(opt, "json") || !strcmp(opt, "wait-list") || i == narg-1 ? "1" : args[++i];
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}
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else
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{
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cmd.push_back(std::string(args[i]));
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}
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}
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if (!cmd.size())
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{
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std::string exe(exe_name);
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if (exe.substr(exe.size()-11) == "vitastor-rm")
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{
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cmd.push_back("rm");
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}
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}
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cfg["command"] = cmd;
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return cfg;
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}
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static void help()
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{
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printf(
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"Vitastor inode removal tool\n"
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"(c) Vitaliy Filippov, 2020 (VNPL-1.1)\n\n"
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"USAGE:\n"
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" %s rm [--etcd_address <etcd_address>] --pool <pool> --inode <inode>\n"
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" [--wait-list] [--iodepth 32] [--parallel_osds 4] [--progress 1]\n"
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" %s merge [--etcd_address <etcd_address>] <from> <to> [--target <name>]\n"
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" [--iodepth 128] [--progress 1]\n",
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exe_name, exe_name
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);
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exit(0);
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}
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void run(json11::Json cfg);
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void start_work();
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void continue_work();
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friend struct rm_inode_t;
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friend struct snap_merger_t;
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};
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struct rm_inode_t
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{
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uint64_t inode = 0;
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pool_id_t pool_id = 0;
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cli_tool_t *parent = NULL;
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inode_list_t *lister = NULL;
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std::vector<rm_pg_t*> lists;
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uint64_t total_count = 0, total_done = 0, total_prev_pct = 0;
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uint64_t pgs_to_list = 0;
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bool lists_done = false;
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void start_delete()
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{
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lister = parent->cli->list_inode_start(inode, [this](inode_list_t *lst, std::set<object_id>&& objects, pg_num_t pg_num, osd_num_t primary_osd, int status)
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{
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rm_pg_t *rm = new rm_pg_t({
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.pg_num = pg_num,
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.rm_osd_num = primary_osd,
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.objects = objects,
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.obj_count = objects.size(),
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.obj_done = 0,
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.obj_prev_done = 0,
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});
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rm->obj_pos = rm->objects.begin();
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lists.push_back(rm);
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if (parent->list_first)
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{
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parent->cli->list_inode_next(lister, 1);
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}
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if (status & INODE_LIST_DONE)
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{
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lists_done = true;
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}
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pgs_to_list--;
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continue_delete();
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});
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if (!lister)
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{
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fprintf(stderr, "Failed to list inode %lx objects\n", inode);
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exit(1);
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}
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pgs_to_list = parent->cli->list_pg_count(lister);
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parent->cli->list_inode_next(lister, parent->parallel_osds);
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}
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void send_ops(rm_pg_t *cur_list)
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{
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if (parent->cli->msgr.osd_peer_fds.find(cur_list->rm_osd_num) ==
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parent->cli->msgr.osd_peer_fds.end())
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{
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// Initiate connection
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parent->cli->msgr.connect_peer(cur_list->rm_osd_num, parent->cli->st_cli.peer_states[cur_list->rm_osd_num]);
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return;
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}
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while (cur_list->in_flight < parent->iodepth && cur_list->obj_pos != cur_list->objects.end())
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{
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osd_op_t *op = new osd_op_t();
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op->op_type = OSD_OP_OUT;
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op->peer_fd = parent->cli->msgr.osd_peer_fds[cur_list->rm_osd_num];
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op->req = (osd_any_op_t){
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.rw = {
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.header = {
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.magic = SECONDARY_OSD_OP_MAGIC,
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.id = parent->cli->next_op_id(),
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.opcode = OSD_OP_DELETE,
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},
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.inode = cur_list->obj_pos->inode,
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.offset = cur_list->obj_pos->stripe,
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.len = 0,
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},
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};
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op->callback = [this, cur_list](osd_op_t *op)
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{
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cur_list->in_flight--;
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if (op->reply.hdr.retval < 0)
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{
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fprintf(stderr, "Failed to remove object %lx:%lx from PG %u (OSD %lu) (retval=%ld)\n",
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op->req.rw.inode, op->req.rw.offset,
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cur_list->pg_num, cur_list->rm_osd_num, op->reply.hdr.retval);
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}
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delete op;
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cur_list->obj_done++;
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total_done++;
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continue_delete();
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};
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cur_list->obj_pos++;
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cur_list->in_flight++;
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parent->cli->msgr.outbox_push(op);
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}
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}
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void continue_delete()
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{
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if (parent->list_first && !lists_done)
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{
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return;
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}
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for (int i = 0; i < lists.size(); i++)
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{
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if (!lists[i]->in_flight && lists[i]->obj_pos == lists[i]->objects.end())
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{
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delete lists[i];
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lists.erase(lists.begin()+i, lists.begin()+i+1);
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i--;
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if (!lists_done)
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{
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parent->cli->list_inode_next(lister, 1);
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}
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}
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else
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{
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send_ops(lists[i]);
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}
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}
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if (parent->progress && total_count > 0 && total_done*1000/total_count != total_prev_pct)
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{
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printf("\rRemoved %lu/%lu objects, %lu more PGs to list...", total_done, total_count, pgs_to_list);
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total_prev_pct = total_done*1000/total_count;
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}
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if (lists_done && !lists.size())
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{
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printf("Done, inode %lu in pool %u removed\n", (inode & ((1l << (64-POOL_ID_BITS)) - 1)), pool_id);
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exit(0);
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}
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}
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};
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// Layer merge is the base for multiple operations:
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// 1) Delete snapshot "up" = merge child layer into the parent layer, remove the child
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// and rename the parent to the child
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// 2) Delete snapshot "down" = merge parent layer into the child layer and remove the parent
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// 3) Flatten image = merge parent layers into the child layer and break the connection
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struct snap_merger_t
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{
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cli_tool_t *parent;
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// merge from..to into target (target may be one of from..to)
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std::string from_name, to_name, target_name;
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// inode=>rank (bigger rank means child layers)
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std::map<inode_t,int> sources;
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// target to merge data into
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inode_t target;
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// rank of the target
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int target_rank;
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// delete merged source inode data during merge
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bool delete_source = false;
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// don't necessarily delete source data, but perform checks as if we were to do it
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bool check_delete_source = false;
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// interval between fsyncs
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int fsync_interval = 128;
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bool inside_continue = false;
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int state = 0;
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int lists_todo = 0;
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uint64_t target_block_size = 0;
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btree::safe_btree_set<uint64_t> merge_offsets;
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btree::safe_btree_set<uint64_t>::iterator oit;
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std::map<inode_t, std::vector<uint64_t>> layer_lists;
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std::map<inode_t, uint64_t> layer_block_size;
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std::map<inode_t, uint64_t> layer_list_pos;
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int in_flight = 0;
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uint64_t last_fsync_offset = 0;
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uint64_t last_written_offset = 0;
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int deleted_unsynced = 0;
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uint64_t processed = 0, to_process = 0;
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inode_config_t* get_inode_cfg(const std::string & name)
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{
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for (auto & ic: parent->cli->st_cli.inode_config)
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{
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if (ic.second.name == name)
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{
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return &ic.second;
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}
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}
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fprintf(stderr, "Layer %s not found\n", name.c_str());
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exit(1);
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}
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void start_merge()
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{
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check_delete_source = delete_source || check_delete_source;
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inode_config_t *from_cfg = get_inode_cfg(from_name);
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inode_config_t *to_cfg = get_inode_cfg(to_name);
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inode_config_t *target_cfg = target_name == "" ? from_cfg : get_inode_cfg(target_name);
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if (to_cfg->num == from_cfg->num)
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{
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fprintf(stderr, "Only one layer specified, nothing to merge\n");
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exit(1);
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}
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// Check that to_cfg is actually a child of from_cfg and target_cfg is somewhere between them
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std::vector<inode_t> chain_list;
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inode_config_t *cur = to_cfg;
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chain_list.push_back(cur->num);
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layer_block_size[cur->num] = get_block_size(cur->num);
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while (cur->parent_id != from_cfg->num &&
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cur->parent_id != to_cfg->num &&
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cur->parent_id != 0)
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{
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auto it = parent->cli->st_cli.inode_config.find(cur->parent_id);
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if (it == parent->cli->st_cli.inode_config.end())
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{
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fprintf(stderr, "Parent inode of layer %s (%lx) not found\n", cur->name.c_str(), cur->parent_id);
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exit(1);
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}
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cur = &it->second;
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chain_list.push_back(cur->num);
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layer_block_size[cur->num] = get_block_size(cur->num);
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}
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if (cur->parent_id != from_cfg->num)
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{
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fprintf(stderr, "Layer %s is not a child of %s\n", to_name.c_str(), from_name.c_str());
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exit(1);
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}
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chain_list.push_back(from_cfg->num);
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layer_block_size[from_cfg->num] = get_block_size(from_cfg->num);
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int i = chain_list.size()-1;
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for (inode_t item: chain_list)
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{
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sources[item] = i--;
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}
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if (sources.find(target_cfg->num) == sources.end())
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{
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fprintf(stderr, "Layer %s is not between %s and %s\n", target_name.c_str(), to_name.c_str(), from_name.c_str());
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exit(1);
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}
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target = target_cfg->num;
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target_rank = sources.at(target);
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int to_rank = sources.at(to_cfg->num);
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// Check that there are no other inodes dependent on altered layers
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//
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// 1) everything between <target> and <to> except <to> is not allowed
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// to have children other than <to> if <to> is a child of <target>:
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//
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// <target> - <layer 3> - <to>
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// \- <layer 4> <--------X--------- NOT ALLOWED
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//
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// 2) everything between <from> and <target>, except <target>, is not allowed
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// to have children other than <target> if sources are to be deleted after merging:
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//
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// <from> - <layer 1> - <target> - <to>
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// \- <layer 2> <---------X-------- NOT ALLOWED
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for (auto & ic: parent->cli->st_cli.inode_config)
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{
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auto it = sources.find(ic.second.num);
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if (it == sources.end() && ic.second.parent_id != 0)
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{
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it = sources.find(ic.second.parent_id);
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if (it != sources.end())
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{
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int parent_rank = it->second;
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if (parent_rank < to_rank && (parent_rank >= target_rank || check_delete_source))
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{
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fprintf(
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stderr, "Layers at or above %s, but below %s are not allowed"
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" to have other children, but %s is a child of %s\n",
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(check_delete_source ? from_name.c_str() : target_name.c_str()),
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to_name.c_str(), ic.second.name.c_str(),
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parent->cli->st_cli.inode_config.at(ic.second.parent_id).name.c_str()
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);
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exit(1);
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}
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}
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}
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}
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sources.erase(target);
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printf("Merging %ld layers into target inode %lx\n", sources.size(), target);
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target_block_size = get_block_size(target);
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continue_merge_reent();
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}
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uint64_t get_block_size(inode_t inode)
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{
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auto & pool_cfg = parent->cli->st_cli.pool_config.at(INODE_POOL(inode));
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uint64_t pg_data_size = (pool_cfg.scheme == POOL_SCHEME_REPLICATED ? 1 : pool_cfg.pg_size-pool_cfg.parity_chunks);
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return parent->cli->get_bs_block_size() * pg_data_size;
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}
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void continue_merge_reent()
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{
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if (!inside_continue)
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{
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inside_continue = true;
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continue_merge();
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inside_continue = false;
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}
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}
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void continue_merge()
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{
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if (state == 1)
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goto resume_1;
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else if (state == 2)
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goto resume_2;
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else if (state == 3)
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goto resume_3;
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else if (state == 4)
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goto resume_4;
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else if (state == 5)
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goto resume_5;
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else if (state == 6)
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goto resume_6;
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// First list lower layers
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list_layers(true);
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state = 1;
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resume_1:
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while (lists_todo > 0)
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{
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// Wait for lists
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return;
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}
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if (merge_offsets.size() > 0)
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{
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state = 2;
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oit = merge_offsets.begin();
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processed = 0;
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to_process = merge_offsets.size();
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resume_2:
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// Then remove blocks already filled in target by issuing zero-length reads and checking bitmaps
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while (in_flight < parent->iodepth*parent->parallel_osds && oit != merge_offsets.end())
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{
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in_flight++;
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check_if_full(*oit);
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oit++;
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processed++;
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if (parent->progress && !(processed % 128))
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{
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printf("\rFiltering target blocks: %lu/%lu", processed, to_process);
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}
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}
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if (in_flight > 0 || oit != merge_offsets.end())
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{
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// Wait until reads finish
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return;
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}
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if (parent->progress)
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{
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printf("\r%lu full blocks of target filtered out\n", to_process-merge_offsets.size());
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}
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}
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state = 3;
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resume_3:
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// Then list upper layers
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list_layers(false);
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state = 4;
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resume_4:
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while (lists_todo > 0)
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{
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// Wait for lists
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return;
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}
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state = 5;
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processed = 0;
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to_process = merge_offsets.size();
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oit = merge_offsets.begin();
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resume_5:
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// Now read, overwrite and optionally delete offsets one by one
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while (in_flight < parent->iodepth*parent->parallel_osds && oit != merge_offsets.end())
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{
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in_flight++;
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read_and_write(*oit);
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oit++;
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processed++;
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if (parent->progress && !(processed % 128))
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{
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printf("\rOverwriting blocks: %lu/%lu", processed, to_process);
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}
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}
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if (in_flight > 0 || oit != merge_offsets.end())
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{
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// Wait until overwrites finish
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return;
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}
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if (parent->progress)
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{
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printf("\rOverwriting blocks: %lu/%lu\n", to_process, to_process);
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}
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state = 6;
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resume_6:
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// Done
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printf("Done, layers from %s to %s merged into %s\n", from_name.c_str(), to_name.c_str(), target_name.c_str());
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exit(0);
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}
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void list_layers(bool lower)
|
|
{
|
|
for (auto & sp: sources)
|
|
{
|
|
inode_t src = sp.first;
|
|
if (lower ? (sp.second < target_rank) : (sp.second > target_rank))
|
|
{
|
|
lists_todo++;
|
|
inode_list_t* lst = parent->cli->list_inode_start(src, [this, src](
|
|
inode_list_t *lst, std::set<object_id>&& objects, pg_num_t pg_num, osd_num_t primary_osd, int status)
|
|
{
|
|
uint64_t layer_block = layer_block_size.at(src);
|
|
for (object_id obj: objects)
|
|
{
|
|
merge_offsets.insert(obj.stripe - obj.stripe % target_block_size);
|
|
for (int i = target_block_size; i < layer_block; i += target_block_size)
|
|
{
|
|
merge_offsets.insert(obj.stripe - obj.stripe % target_block_size + i);
|
|
}
|
|
}
|
|
if (delete_source)
|
|
{
|
|
// Also store individual lists
|
|
auto & layer_list = layer_lists[src];
|
|
int pos = layer_list.size();
|
|
layer_list.resize(pos + objects.size());
|
|
for (object_id obj: objects)
|
|
{
|
|
layer_list[pos++] = obj.stripe;
|
|
}
|
|
}
|
|
if (status & INODE_LIST_DONE)
|
|
{
|
|
printf("Got listing of inode %lx\n", src);
|
|
if (delete_source)
|
|
{
|
|
// Sort the inode listing
|
|
std::sort(layer_lists[src].begin(), layer_lists[src].end());
|
|
}
|
|
lists_todo--;
|
|
continue_merge_reent();
|
|
}
|
|
else
|
|
{
|
|
parent->cli->list_inode_next(lst, 1);
|
|
}
|
|
});
|
|
parent->cli->list_inode_next(lst, parent->parallel_osds);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check if <offset> is fully written in <target> and remove it from merge_offsets if so
|
|
void check_if_full(uint64_t offset)
|
|
{
|
|
cluster_op_t *op = new cluster_op_t;
|
|
op->opcode = OSD_OP_READ_BITMAP;
|
|
op->inode = target;
|
|
op->offset = offset;
|
|
op->len = 0;
|
|
op->callback = [this](cluster_op_t *op)
|
|
{
|
|
if (op->retval < 0)
|
|
{
|
|
fprintf(stderr, "error reading target bitmap at offset %lx: %s\n", op->offset, strerror(-op->retval));
|
|
}
|
|
else
|
|
{
|
|
uint64_t bitmap_bytes = target_block_size/parent->cli->get_bs_bitmap_granularity()/8;
|
|
int i;
|
|
for (i = 0; i < bitmap_bytes; i++)
|
|
{
|
|
if (((uint8_t*)op->bitmap_buf)[i] != 0xff)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if (i == bitmap_bytes)
|
|
{
|
|
// full
|
|
merge_offsets.erase(op->offset);
|
|
}
|
|
}
|
|
delete op;
|
|
in_flight--;
|
|
continue_merge_reent();
|
|
};
|
|
parent->cli->execute(op);
|
|
}
|
|
|
|
// Read <offset> from <to>, write it to <target> and optionally delete it
|
|
// from all layers except <target> after fsync'ing
|
|
void read_and_write(uint64_t offset)
|
|
{
|
|
void *buf = malloc(target_block_size);
|
|
cluster_op_t *op = new cluster_op_t;
|
|
op->opcode = OSD_OP_READ;
|
|
op->inode = target;
|
|
op->offset = offset;
|
|
op->len = target_block_size;
|
|
op->iov.push_back(buf, target_block_size);
|
|
op->callback = [this](cluster_op_t *op)
|
|
{
|
|
// Write each non-empty range using an individual operation
|
|
// FIXME: Allow to use a single write with bitmap (OSDs don't allow it yet)
|
|
uint32_t gran = parent->cli->get_bs_bitmap_granularity();
|
|
uint64_t bitmap_size = target_block_size/gran;
|
|
uint32_t start = 0, end = 0;
|
|
int i;
|
|
// Track pending subops allowing write_subop() to return immediately (just in case)
|
|
op->version = bitmap_size;
|
|
for (i = 0; i < bitmap_size; i++)
|
|
{
|
|
auto bit = ((*(uint8_t*)(op->bitmap_buf + (i >> 3))) & (1 << (i & 0x7)));
|
|
if (!bit && end > start)
|
|
{
|
|
// write end->start
|
|
op->version++;
|
|
write_subop(op, start, end);
|
|
}
|
|
end += gran;
|
|
if (!bit)
|
|
{
|
|
start = end;
|
|
}
|
|
}
|
|
if (end > start)
|
|
{
|
|
// write end->start
|
|
op->version++;
|
|
write_subop(op, start, end);
|
|
}
|
|
op->version -= bitmap_size;
|
|
// Just in case
|
|
autofree_op(op);
|
|
};
|
|
parent->cli->execute(op);
|
|
}
|
|
|
|
void write_subop(cluster_op_t *op, uint32_t start, uint32_t end)
|
|
{
|
|
void *buf = op->iov.buf[0].iov_base;
|
|
cluster_op_t *subop = new cluster_op_t;
|
|
subop->opcode = OSD_OP_WRITE;
|
|
subop->inode = target;
|
|
subop->offset = op->offset+start;
|
|
subop->len = end-start;
|
|
subop->iov.push_back(buf+start, end-start);
|
|
subop->callback = [this, op](cluster_op_t *subop)
|
|
{
|
|
if (subop->retval != subop->len)
|
|
{
|
|
fprintf(stderr, "error writing target at offset %lx: %s\n", subop->offset, strerror(-subop->retval));
|
|
exit(1);
|
|
}
|
|
op->version--;
|
|
autofree_op(op);
|
|
delete subop;
|
|
};
|
|
parent->cli->execute(subop);
|
|
}
|
|
|
|
void delete_offset(inode_t inode_num, uint64_t offset)
|
|
{
|
|
cluster_op_t *subop = new cluster_op_t;
|
|
subop->opcode = OSD_OP_DELETE;
|
|
subop->inode = inode_num;
|
|
subop->offset = offset;
|
|
subop->len = 0;
|
|
subop->callback = [this](cluster_op_t *subop)
|
|
{
|
|
if (subop->retval != 0)
|
|
{
|
|
fprintf(stderr, "error deleting from layer 0x%lx at offset %lx: %s", subop->inode, subop->offset, strerror(-subop->retval));
|
|
}
|
|
delete subop;
|
|
};
|
|
parent->cli->execute(subop);
|
|
}
|
|
|
|
void autofree_op(cluster_op_t *op)
|
|
{
|
|
if (!op->version)
|
|
{
|
|
if (last_written_offset < op->offset+target_block_size)
|
|
{
|
|
last_written_offset = op->offset+target_block_size;
|
|
}
|
|
if (delete_source)
|
|
{
|
|
deleted_unsynced++;
|
|
if (deleted_unsynced >= fsync_interval)
|
|
{
|
|
uint64_t from = last_fsync_offset, to = last_written_offset;
|
|
cluster_op_t *subop = new cluster_op_t;
|
|
subop->opcode = OSD_OP_SYNC;
|
|
subop->callback = [this, from, to](cluster_op_t *subop)
|
|
{
|
|
delete subop;
|
|
// We can now delete source data between <from> and <to>
|
|
// But to do this we have to keep all object lists in memory :-(
|
|
for (auto & lp: layer_list_pos)
|
|
{
|
|
auto & layer_list = layer_lists.at(lp.first);
|
|
uint64_t layer_block = layer_block_size.at(lp.first);
|
|
int cur_pos = lp.second;
|
|
while (cur_pos < layer_list.size() && layer_list[cur_pos]+layer_block < to)
|
|
{
|
|
delete_offset(lp.first, layer_list[cur_pos]);
|
|
cur_pos++;
|
|
}
|
|
lp.second = cur_pos;
|
|
}
|
|
};
|
|
parent->cli->execute(subop);
|
|
}
|
|
}
|
|
void *buf = op->iov.buf[0].iov_base;
|
|
free(buf);
|
|
delete op;
|
|
in_flight--;
|
|
continue_merge_reent();
|
|
}
|
|
}
|
|
};
|
|
|
|
void cli_tool_t::run(json11::Json cfg)
|
|
{
|
|
json11::Json::array cmd = cfg["command"].array_items();
|
|
if (!cmd.size())
|
|
{
|
|
fprintf(stderr, "command is missing\n");
|
|
exit(1);
|
|
}
|
|
else if (cmd[0] == "rm")
|
|
{
|
|
// Delete inode
|
|
remover = new rm_inode_t();
|
|
remover->parent = this;
|
|
remover->inode = cfg["inode"].uint64_value();
|
|
remover->pool_id = cfg["pool"].uint64_value();
|
|
if (remover->pool_id)
|
|
remover->inode = (remover->inode & ((1l << (64-POOL_ID_BITS)) - 1)) | (((uint64_t)remover->pool_id) << (64-POOL_ID_BITS));
|
|
remover->pool_id = INODE_POOL(remover->inode);
|
|
if (!remover->pool_id)
|
|
{
|
|
fprintf(stderr, "pool is missing\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
else if (cmd[0] == "merge")
|
|
{
|
|
// Merge layers
|
|
merger = new snap_merger_t();
|
|
merger->parent = this;
|
|
merger->from_name = cmd[1].string_value();
|
|
merger->to_name = cmd[2].string_value();
|
|
merger->target_name = cfg["target"].string_value();
|
|
if (merger->from_name == "" || merger->to_name == "")
|
|
{
|
|
fprintf(stderr, "Beginning or end of the merge sequence is missing\n");
|
|
exit(1);
|
|
}
|
|
merger->delete_source = cfg["delete"].string_value() != "";
|
|
merger->fsync_interval = cfg["fsync-interval"].uint64_value();
|
|
if (!merger->fsync_interval)
|
|
merger->fsync_interval = 128;
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "unknown command: %s\n", cmd[0].string_value().c_str());
|
|
exit(1);
|
|
}
|
|
iodepth = cfg["iodepth"].uint64_value();
|
|
if (!iodepth)
|
|
iodepth = 32;
|
|
parallel_osds = cfg["parallel_osds"].uint64_value();
|
|
if (!parallel_osds)
|
|
parallel_osds = 4;
|
|
log_level = cfg["log_level"].int64_value();
|
|
progress = cfg["progress"].uint64_value() ? true : false;
|
|
list_first = cfg["wait-list"].uint64_value() ? true : false;
|
|
// Create client
|
|
ringloop = new ring_loop_t(512);
|
|
epmgr = new epoll_manager_t(ringloop);
|
|
cli = new cluster_client_t(ringloop, epmgr->tfd, cfg);
|
|
cli->on_ready([this]() { start_work(); });
|
|
// Initialize job
|
|
consumer.loop = [this]()
|
|
{
|
|
if (started)
|
|
continue_work();
|
|
ringloop->submit();
|
|
};
|
|
ringloop->register_consumer(&consumer);
|
|
// Loop until it completes
|
|
while (1)
|
|
{
|
|
ringloop->loop();
|
|
ringloop->wait();
|
|
}
|
|
}
|
|
|
|
void cli_tool_t::start_work()
|
|
{
|
|
if (remover)
|
|
{
|
|
remover->start_delete();
|
|
}
|
|
else if (merger)
|
|
{
|
|
merger->start_merge();
|
|
}
|
|
started = true;
|
|
}
|
|
|
|
void cli_tool_t::continue_work()
|
|
{
|
|
if (remover)
|
|
{
|
|
remover->continue_delete();
|
|
}
|
|
else if (merger)
|
|
{
|
|
merger->continue_merge_reent();
|
|
}
|
|
}
|
|
|
|
int main(int narg, const char *args[])
|
|
{
|
|
setvbuf(stdout, NULL, _IONBF, 0);
|
|
setvbuf(stderr, NULL, _IONBF, 0);
|
|
exe_name = args[0];
|
|
cli_tool_t *p = new cli_tool_t();
|
|
p->run(cli_tool_t::parse_args(narg, args));
|
|
return 0;
|
|
}
|