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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/mds/LogSegment.h
parentInitial commit. (diff)
downloadceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.tar.xz
ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/mds/LogSegment.h')
-rw-r--r--src/mds/LogSegment.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/mds/LogSegment.h b/src/mds/LogSegment.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+#ifndef CEPH_LOGSEGMENT_H
+#define CEPH_LOGSEGMENT_H
+
+#include "include/elist.h"
+#include "include/interval_set.h"
+#include "include/Context.h"
+#include "MDSContext.h"
+#include "mdstypes.h"
+#include "CInode.h"
+#include "CDentry.h"
+#include "CDir.h"
+
+#include "include/unordered_set.h"
+
+using ceph::unordered_set;
+
+class CDir;
+class CInode;
+class CDentry;
+class MDSRank;
+struct MDSlaveUpdate;
+
+class LogSegment {
+ public:
+ using seq_t = uint64_t;
+
+ LogSegment(uint64_t _seq, loff_t off=-1) :
+ seq(_seq), offset(off), end(off),
+ dirty_dirfrags(member_offset(CDir, item_dirty)),
+ new_dirfrags(member_offset(CDir, item_new)),
+ dirty_inodes(member_offset(CInode, item_dirty)),
+ dirty_dentries(member_offset(CDentry, item_dirty)),
+ open_files(member_offset(CInode, item_open_file)),
+ dirty_parent_inodes(member_offset(CInode, item_dirty_parent)),
+ dirty_dirfrag_dir(member_offset(CInode, item_dirty_dirfrag_dir)),
+ dirty_dirfrag_nest(member_offset(CInode, item_dirty_dirfrag_nest)),
+ dirty_dirfrag_dirfragtree(member_offset(CInode, item_dirty_dirfrag_dirfragtree))
+ {}
+
+ void try_to_expire(MDSRank *mds, MDSGatherBuilder &gather_bld, int op_prio);
+
+ void wait_for_expiry(MDSContext *c)
+ {
+ ceph_assert(c != NULL);
+ expiry_waiters.push_back(c);
+ }
+
+ const seq_t seq;
+ uint64_t offset, end;
+ int num_events = 0;
+
+ // dirty items
+ elist<CDir*> dirty_dirfrags, new_dirfrags;
+ elist<CInode*> dirty_inodes;
+ elist<CDentry*> dirty_dentries;
+
+ elist<CInode*> open_files;
+ elist<CInode*> dirty_parent_inodes;
+ elist<CInode*> dirty_dirfrag_dir;
+ elist<CInode*> dirty_dirfrag_nest;
+ elist<CInode*> dirty_dirfrag_dirfragtree;
+
+ set<CInode*> truncating_inodes;
+
+ map<int, ceph::unordered_set<version_t> > pending_commit_tids; // mdstable
+ set<metareqid_t> uncommitted_masters;
+ set<metareqid_t> uncommitted_slaves;
+ set<dirfrag_t> uncommitted_fragments;
+
+ // client request ids
+ map<int, ceph_tid_t> last_client_tids;
+
+ // potentially dirty sessions
+ std::set<entity_name_t> touched_sessions;
+
+ // table version
+ version_t inotablev = 0;
+ version_t sessionmapv = 0;
+ map<int,version_t> tablev;
+
+ MDSContext::vec expiry_waiters;
+};
+
+#endif