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-rw-r--r--src/client/Inode.cc814
1 files changed, 814 insertions, 0 deletions
diff --git a/src/client/Inode.cc b/src/client/Inode.cc
new file mode 100644
index 000000000..0c19bef5e
--- /dev/null
+++ b/src/client/Inode.cc
@@ -0,0 +1,814 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "Client.h"
+#include "Inode.h"
+#include "Dentry.h"
+#include "Dir.h"
+#include "Fh.h"
+#include "MetaSession.h"
+#include "ClientSnapRealm.h"
+#include "Delegation.h"
+
+#include "mds/flock.h"
+
+using std::dec;
+using std::list;
+using std::oct;
+using std::ostream;
+using std::string;
+
+Inode::~Inode()
+{
+ delay_cap_item.remove_myself();
+ dirty_cap_item.remove_myself();
+ snaprealm_item.remove_myself();
+
+ if (snapdir_parent) {
+ snapdir_parent->flags &= ~I_SNAPDIR_OPEN;
+ snapdir_parent.reset();
+ }
+
+ if (!oset.objects.empty()) {
+ lsubdout(client->cct, client, 0) << __func__ << ": leftover objects on inode 0x"
+ << std::hex << ino << std::dec << dendl;
+ ceph_assert(oset.objects.empty());
+ }
+
+ if (!delegations.empty()) {
+ lsubdout(client->cct, client, 0) << __func__ << ": leftover delegations on inode 0x"
+ << std::hex << ino << std::dec << dendl;
+ ceph_assert(delegations.empty());
+ }
+}
+
+ostream& operator<<(ostream &out, const Inode &in)
+{
+ out << in.vino() << "("
+ << "faked_ino=" << in.faked_ino
+ << " nref=" << in.get_nref()
+ << " ll_ref=" << in.ll_ref
+ << " cap_refs=" << in.cap_refs
+ << " open=" << in.open_by_mode
+ << " mode=" << oct << in.mode << dec
+ << " size=" << in.size << "/" << in.max_size
+ << " nlink=" << in.nlink
+ << " btime=" << in.btime
+ << " mtime=" << in.mtime
+ << " ctime=" << in.ctime
+ << " change_attr=" << in.change_attr
+ << " caps=" << ccap_string(in.caps_issued());
+ if (!in.caps.empty()) {
+ out << "(";
+ bool first = true;
+ for (const auto &pair : in.caps) {
+ if (!first)
+ out << ',';
+ out << pair.first << '=' << ccap_string(pair.second.issued);
+ first = false;
+ }
+ out << ")";
+ }
+ if (in.dirty_caps)
+ out << " dirty_caps=" << ccap_string(in.dirty_caps);
+ if (in.flushing_caps)
+ out << " flushing_caps=" << ccap_string(in.flushing_caps);
+
+ if (in.flags & I_COMPLETE)
+ out << " COMPLETE";
+
+ if (in.is_file())
+ out << " " << in.oset;
+
+ if (!in.dentries.empty())
+ out << " parents=" << in.dentries;
+
+ if (in.is_dir() && in.has_dir_layout())
+ out << " has_dir_layout";
+
+ if (in.quota.is_enabled())
+ out << " " << in.quota;
+
+ out << ' ' << &in << ")";
+ return out;
+}
+
+
+void Inode::make_long_path(filepath& p)
+{
+ if (!dentries.empty()) {
+ Dentry *dn = get_first_parent();
+ ceph_assert(dn->dir && dn->dir->parent_inode);
+ dn->dir->parent_inode->make_long_path(p);
+ p.push_dentry(dn->name);
+ } else if (snapdir_parent) {
+ make_nosnap_relative_path(p);
+ } else
+ p = filepath(ino);
+}
+
+void Inode::make_short_path(filepath& p)
+{
+ if (!dentries.empty()) {
+ Dentry *dn = get_first_parent();
+ ceph_assert(dn->dir && dn->dir->parent_inode);
+ p = filepath(dn->name, dn->dir->parent_inode->ino);
+ } else if (snapdir_parent) {
+ make_nosnap_relative_path(p);
+ } else
+ p = filepath(ino);
+}
+
+/*
+ * make a filepath suitable for an mds request:
+ * - if we are non-snapped/live, the ino is sufficient, e.g. #1234
+ * - if we are snapped, make filepath relative to first non-snapped parent.
+ */
+void Inode::make_nosnap_relative_path(filepath& p)
+{
+ if (snapid == CEPH_NOSNAP) {
+ p = filepath(ino);
+ } else if (snapdir_parent) {
+ snapdir_parent->make_nosnap_relative_path(p);
+ string empty;
+ p.push_dentry(empty);
+ } else if (!dentries.empty()) {
+ Dentry *dn = get_first_parent();
+ ceph_assert(dn->dir && dn->dir->parent_inode);
+ dn->dir->parent_inode->make_nosnap_relative_path(p);
+ p.push_dentry(dn->name);
+ } else {
+ p = filepath(ino);
+ }
+}
+
+void Inode::get_open_ref(int mode)
+{
+ client->inc_opened_files();
+ if (open_by_mode[mode] == 0) {
+ client->inc_opened_inodes();
+ }
+ open_by_mode[mode]++;
+ break_deleg(!(mode & CEPH_FILE_MODE_WR));
+}
+
+bool Inode::put_open_ref(int mode)
+{
+ //cout << "open_by_mode[" << mode << "] " << open_by_mode[mode] << " -> " << (open_by_mode[mode]-1) << std::endl;
+ auto& ref = open_by_mode.at(mode);
+ ceph_assert(ref > 0);
+ client->dec_opened_files();
+ if (--ref == 0) {
+ client->dec_opened_inodes();
+ return true;
+ }
+ return false;
+}
+
+void Inode::get_cap_ref(int cap)
+{
+ int n = 0;
+ while (cap) {
+ if (cap & 1) {
+ int c = 1 << n;
+ cap_refs[c]++;
+ //cout << "inode " << *this << " get " << cap_string(c) << " " << (cap_refs[c]-1) << " -> " << cap_refs[c] << std::endl;
+ }
+ cap >>= 1;
+ n++;
+ }
+}
+
+int Inode::put_cap_ref(int cap)
+{
+ int last = 0;
+ int n = 0;
+ while (cap) {
+ if (cap & 1) {
+ int c = 1 << n;
+ if (cap_refs[c] <= 0) {
+ lderr(client->cct) << "put_cap_ref " << ccap_string(c) << " went negative on " << *this << dendl;
+ ceph_assert(cap_refs[c] > 0);
+ }
+ if (--cap_refs[c] == 0)
+ last |= c;
+ //cout << "inode " << *this << " put " << cap_string(c) << " " << (cap_refs[c]+1) << " -> " << cap_refs[c] << std::endl;
+ }
+ cap >>= 1;
+ n++;
+ }
+ return last;
+}
+
+bool Inode::is_any_caps()
+{
+ return !caps.empty() || snap_caps;
+}
+
+bool Inode::cap_is_valid(const Cap &cap) const
+{
+ /*cout << "cap_gen " << cap->session-> cap_gen << std::endl
+ << "session gen " << cap->gen << std::endl
+ << "cap expire " << cap->session->cap_ttl << std::endl
+ << "cur time " << ceph_clock_now(cct) << std::endl;*/
+ if ((cap.session->cap_gen <= cap.gen)
+ && (ceph_clock_now() < cap.session->cap_ttl)) {
+ return true;
+ }
+ return false;
+}
+
+int Inode::caps_issued(int *implemented) const
+{
+ int c = snap_caps;
+ int i = 0;
+ for (const auto &[mds, cap] : caps) {
+ if (cap_is_valid(cap)) {
+ c |= cap.issued;
+ i |= cap.implemented;
+ }
+ }
+ // exclude caps issued by non-auth MDS, but are been revoking by
+ // the auth MDS. The non-auth MDS should be revoking/exporting
+ // these caps, but the message is delayed.
+ if (auth_cap)
+ c &= ~auth_cap->implemented | auth_cap->issued;
+
+ if (implemented)
+ *implemented = i;
+ return c;
+}
+
+void Inode::try_touch_cap(mds_rank_t mds)
+{
+ auto it = caps.find(mds);
+ if (it != caps.end()) {
+ it->second.touch();
+ }
+}
+
+/**
+ * caps_issued_mask - check whether we have all of the caps in the mask
+ * @mask: mask to check against
+ * @allow_impl: whether the caller can also use caps that are implemented but not issued
+ *
+ * This is the bog standard "check whether we have the required caps" operation.
+ * Typically, we only check against the capset that is currently "issued".
+ * In other words, we ignore caps that have been revoked but not yet released.
+ * Also account capability hit/miss stats.
+ *
+ * Some callers (particularly those doing attribute retrieval) can also make
+ * use of the full set of "implemented" caps to satisfy requests from the
+ * cache.
+ *
+ * Those callers should refrain from taking new references to implemented
+ * caps!
+ */
+bool Inode::caps_issued_mask(unsigned mask, bool allow_impl)
+{
+ int c = snap_caps;
+ int i = 0;
+
+ if ((c & mask) == mask)
+ return true;
+ // prefer auth cap
+ if (auth_cap &&
+ cap_is_valid(*auth_cap) &&
+ (auth_cap->issued & mask) == mask) {
+ auth_cap->touch();
+ client->cap_hit();
+ return true;
+ }
+ // try any cap
+ for (auto &pair : caps) {
+ Cap &cap = pair.second;
+ if (cap_is_valid(cap)) {
+ if ((cap.issued & mask) == mask) {
+ cap.touch();
+ client->cap_hit();
+ return true;
+ }
+ c |= cap.issued;
+ i |= cap.implemented;
+ }
+ }
+
+ if (allow_impl)
+ c |= i;
+
+ if ((c & mask) == mask) {
+ // bah.. touch them all
+ for (auto &pair : caps) {
+ pair.second.touch();
+ }
+ client->cap_hit();
+ return true;
+ }
+
+ client->cap_miss();
+ return false;
+}
+
+int Inode::caps_used()
+{
+ int w = 0;
+ for (const auto &[cap, cnt] : cap_refs)
+ if (cnt)
+ w |= cap;
+ return w;
+}
+
+int Inode::caps_file_wanted()
+{
+ int want = 0;
+ for (const auto &[mode, cnt] : open_by_mode)
+ if (cnt)
+ want |= ceph_caps_for_mode(mode);
+ return want;
+}
+
+int Inode::caps_wanted()
+{
+ int want = caps_file_wanted() | caps_used();
+ if (want & CEPH_CAP_FILE_BUFFER)
+ want |= CEPH_CAP_FILE_EXCL;
+ return want;
+}
+
+int Inode::caps_mds_wanted()
+{
+ int want = 0;
+ for (const auto &pair : caps) {
+ want |= pair.second.wanted;
+ }
+ return want;
+}
+
+int Inode::caps_dirty()
+{
+ return dirty_caps | flushing_caps;
+}
+
+const UserPerm* Inode::get_best_perms()
+{
+ const UserPerm *perms = NULL;
+ for (const auto &pair : caps) {
+ const UserPerm& iperm = pair.second.latest_perms;
+ if (!perms) { // we don't have any, take what's present
+ perms = &iperm;
+ } else if (iperm.uid() == uid) {
+ if (iperm.gid() == gid) { // we have the best possible, return
+ return &iperm;
+ }
+ if (perms->uid() != uid) { // take uid > gid every time
+ perms = &iperm;
+ }
+ } else if (perms->uid() != uid && iperm.gid() == gid) {
+ perms = &iperm; // a matching gid is better than nothing
+ }
+ }
+ return perms;
+}
+
+bool Inode::have_valid_size()
+{
+ // RD+RDCACHE or WR+WRBUFFER => valid size
+ if (caps_issued() & (CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_EXCL))
+ return true;
+ return false;
+}
+
+// open Dir for an inode. if it's not open, allocated it (and pin dentry in memory).
+Dir *Inode::open_dir()
+{
+ if (!dir) {
+ dir = new Dir(this);
+ lsubdout(client->cct, client, 15) << "open_dir " << dir << " on " << this << dendl;
+ ceph_assert(dentries.size() < 2); // dirs can't be hard-linked
+ if (!dentries.empty())
+ get_first_parent()->get(); // pin dentry
+ iget(); // pin inode
+ }
+ return dir;
+}
+
+bool Inode::check_mode(const UserPerm& perms, unsigned want)
+{
+ if (uid == perms.uid()) {
+ // if uid is owner, owner entry determines access
+ want = want << 6;
+ } else if (perms.gid_in_groups(gid)) {
+ // if a gid or sgid matches the owning group, group entry determines access
+ want = want << 3;
+ }
+
+ return (mode & want) == want;
+}
+
+void Inode::dump(Formatter *f) const
+{
+ f->dump_stream("ino") << ino;
+ f->dump_stream("snapid") << snapid;
+ if (rdev)
+ f->dump_unsigned("rdev", rdev);
+ f->dump_stream("ctime") << ctime;
+ f->dump_stream("btime") << btime;
+ f->dump_stream("mode") << '0' << std::oct << mode << std::dec;
+ f->dump_unsigned("uid", uid);
+ f->dump_unsigned("gid", gid);
+ f->dump_int("nlink", nlink);
+
+ f->dump_unsigned("size", size);
+ f->dump_unsigned("max_size", max_size);
+ f->dump_unsigned("truncate_seq", truncate_seq);
+ f->dump_unsigned("truncate_size", truncate_size);
+ f->dump_stream("mtime") << mtime;
+ f->dump_stream("atime") << atime;
+ f->dump_unsigned("time_warp_seq", time_warp_seq);
+ f->dump_unsigned("change_attr", change_attr);
+
+ f->dump_object("layout", layout);
+ if (is_dir()) {
+ f->open_object_section("dir_layout");
+ ::dump(dir_layout, f);
+ f->close_section();
+
+ f->dump_bool("complete", flags & I_COMPLETE);
+ f->dump_bool("ordered", flags & I_DIR_ORDERED);
+
+ /* FIXME when wip-mds-encoding is merged ***
+ f->open_object_section("dir_stat");
+ dirstat.dump(f);
+ f->close_section();
+
+ f->open_object_section("rstat");
+ rstat.dump(f);
+ f->close_section();
+ */
+ }
+
+ f->dump_unsigned("version", version);
+ f->dump_unsigned("xattr_version", xattr_version);
+ f->dump_unsigned("flags", flags);
+
+ if (is_dir()) {
+ f->dump_int("dir_hashed", (int)dir_hashed);
+ f->dump_int("dir_replicated", (int)dir_replicated);
+ if (dir_replicated) {
+ f->open_array_section("dirfrags");
+ for (const auto &frag : frag_repmap) {
+ f->open_object_section("frags");
+ CachedStackStringStream css;
+ *css << std::hex << frag.first.value() << "/" << std::dec << frag.first.bits();
+ f->dump_string("frag", css->strv());
+
+ f->open_array_section("repmap");
+ for (const auto &mds : frag.second) {
+ f->dump_int("mds", mds);
+ }
+ f->close_section();
+
+ f->close_section();
+ }
+ f->close_section();
+ }
+ }
+
+ f->open_array_section("caps");
+ for (const auto &pair : caps) {
+ f->open_object_section("cap");
+ if (&pair.second == auth_cap)
+ f->dump_int("auth", 1);
+ pair.second.dump(f);
+ f->close_section();
+ }
+ f->close_section();
+ if (auth_cap)
+ f->dump_int("auth_cap", auth_cap->session->mds_num);
+
+ f->dump_stream("dirty_caps") << ccap_string(dirty_caps);
+ if (flushing_caps) {
+ f->dump_stream("flushings_caps") << ccap_string(flushing_caps);
+ f->open_object_section("flushing_cap_tid");
+ for (map<ceph_tid_t, int>::const_iterator p = flushing_cap_tids.begin();
+ p != flushing_cap_tids.end();
+ ++p) {
+ string n(ccap_string(p->second));
+ f->dump_unsigned(n.c_str(), p->first);
+ }
+ f->close_section();
+ }
+ f->dump_int("shared_gen", shared_gen);
+ f->dump_int("cache_gen", cache_gen);
+ if (snap_caps) {
+ f->dump_int("snap_caps", snap_caps);
+ f->dump_int("snap_cap_refs", snap_cap_refs);
+ }
+
+ f->dump_stream("hold_caps_until") << hold_caps_until;
+
+ if (snaprealm) {
+ f->open_object_section("snaprealm");
+ snaprealm->dump(f);
+ f->close_section();
+ }
+ if (!cap_snaps.empty()) {
+ for (const auto &p : cap_snaps) {
+ f->open_object_section("cap_snap");
+ f->dump_stream("follows") << p.first;
+ p.second.dump(f);
+ f->close_section();
+ }
+ }
+
+ // open
+ if (!open_by_mode.empty()) {
+ f->open_array_section("open_by_mode");
+ for (map<int,int>::const_iterator p = open_by_mode.begin(); p != open_by_mode.end(); ++p) {
+ f->open_object_section("ref");
+ f->dump_int("mode", p->first);
+ f->dump_int("refs", p->second);
+ f->close_section();
+ }
+ f->close_section();
+ }
+ if (!cap_refs.empty()) {
+ f->open_array_section("cap_refs");
+ for (map<int,int>::const_iterator p = cap_refs.begin(); p != cap_refs.end(); ++p) {
+ f->open_object_section("cap_ref");
+ f->dump_stream("cap") << ccap_string(p->first);
+ f->dump_int("refs", p->second);
+ f->close_section();
+ }
+ f->close_section();
+ }
+
+ f->dump_unsigned("reported_size", reported_size);
+ if (wanted_max_size != max_size)
+ f->dump_unsigned("wanted_max_size", wanted_max_size);
+ if (requested_max_size != max_size)
+ f->dump_unsigned("requested_max_size", requested_max_size);
+
+ f->dump_int("nref", get_nref());
+ f->dump_int("ll_ref", ll_ref);
+
+ if (!dentries.empty()) {
+ f->open_array_section("parents");
+ for (const auto &&dn : dentries) {
+ f->open_object_section("dentry");
+ f->dump_stream("dir_ino") << dn->dir->parent_inode->ino;
+ f->dump_string("name", dn->name);
+ f->close_section();
+ }
+ f->close_section();
+ }
+}
+
+void Cap::dump(Formatter *f) const
+{
+ f->dump_int("mds", session->mds_num);
+ f->dump_stream("ino") << inode.ino;
+ f->dump_unsigned("cap_id", cap_id);
+ f->dump_stream("issued") << ccap_string(issued);
+ if (implemented != issued)
+ f->dump_stream("implemented") << ccap_string(implemented);
+ f->dump_stream("wanted") << ccap_string(wanted);
+ f->dump_unsigned("seq", seq);
+ f->dump_unsigned("issue_seq", issue_seq);
+ f->dump_unsigned("mseq", mseq);
+ f->dump_unsigned("gen", gen);
+}
+
+void CapSnap::dump(Formatter *f) const
+{
+ f->dump_stream("ino") << in->ino;
+ f->dump_stream("issued") << ccap_string(issued);
+ f->dump_stream("dirty") << ccap_string(dirty);
+ f->dump_unsigned("size", size);
+ f->dump_stream("ctime") << ctime;
+ f->dump_stream("mtime") << mtime;
+ f->dump_stream("atime") << atime;
+ f->dump_int("time_warp_seq", time_warp_seq);
+ f->dump_stream("mode") << '0' << std::oct << mode << std::dec;
+ f->dump_unsigned("uid", uid);
+ f->dump_unsigned("gid", gid);
+ if (!xattrs.empty()) {
+ f->open_object_section("xattr_lens");
+ for (map<string,bufferptr>::const_iterator p = xattrs.begin(); p != xattrs.end(); ++p)
+ f->dump_int(p->first.c_str(), p->second.length());
+ f->close_section();
+ }
+ f->dump_unsigned("xattr_version", xattr_version);
+ f->dump_int("writing", (int)writing);
+ f->dump_int("dirty_data", (int)dirty_data);
+ f->dump_unsigned("flush_tid", flush_tid);
+}
+
+void Inode::set_async_err(int r)
+{
+ for (const auto &fh : fhs) {
+ fh->async_err = r;
+ }
+}
+
+bool Inode::has_recalled_deleg()
+{
+ if (delegations.empty())
+ return false;
+
+ // Either all delegations are recalled or none are. Just check the first.
+ Delegation& deleg = delegations.front();
+ return deleg.is_recalled();
+}
+
+void Inode::recall_deleg(bool skip_read)
+{
+ if (delegations.empty())
+ return;
+
+ // Issue any recalls
+ for (list<Delegation>::iterator d = delegations.begin();
+ d != delegations.end(); ++d) {
+
+ Delegation& deleg = *d;
+ deleg.recall(skip_read);
+ }
+}
+
+bool Inode::delegations_broken(bool skip_read)
+{
+ if (delegations.empty()) {
+ lsubdout(client->cct, client, 10) <<
+ __func__ << ": delegations empty on " << *this << dendl;
+ return true;
+ }
+
+ if (skip_read) {
+ Delegation& deleg = delegations.front();
+ lsubdout(client->cct, client, 10) <<
+ __func__ << ": read delegs only on " << *this << dendl;
+ if (deleg.get_type() == CEPH_FILE_MODE_RD) {
+ return true;
+ }
+ }
+ lsubdout(client->cct, client, 10) <<
+ __func__ << ": not broken" << *this << dendl;
+ return false;
+}
+
+void Inode::break_deleg(bool skip_read)
+{
+ lsubdout(client->cct, client, 10) <<
+ __func__ << ": breaking delegs on " << *this << dendl;
+
+ recall_deleg(skip_read);
+
+ while (!delegations_broken(skip_read))
+ client->wait_on_list(waitfor_deleg);
+}
+
+/**
+ * set_deleg: request a delegation on an open Fh
+ * @fh: filehandle on which to acquire it
+ * @type: delegation request type
+ * @cb: delegation recall callback function
+ * @priv: private pointer to be passed to callback
+ *
+ * Attempt to acquire a delegation on an open file handle. If there are no
+ * conflicts and we have the right caps, allocate a new delegation, fill it
+ * out and return 0. Return an error if we can't get one for any reason.
+ */
+int Inode::set_deleg(Fh *fh, unsigned type, ceph_deleg_cb_t cb, void *priv)
+{
+ lsubdout(client->cct, client, 10) <<
+ __func__ << ": inode " << *this << dendl;
+
+ /*
+ * 0 deleg timeout means that they haven't been explicitly enabled. Don't
+ * allow it, with an unusual error to make it clear.
+ */
+ if (!client->get_deleg_timeout())
+ return -CEPHFS_ETIME;
+
+ // Just say no if we have any recalled delegs still outstanding
+ if (has_recalled_deleg()) {
+ lsubdout(client->cct, client, 10) << __func__ <<
+ ": has_recalled_deleg" << dendl;
+ return -CEPHFS_EAGAIN;
+ }
+
+ // check vs. currently open files on this inode
+ switch (type) {
+ case CEPH_DELEGATION_RD:
+ if (open_count_for_write()) {
+ lsubdout(client->cct, client, 10) << __func__ <<
+ ": open for write" << dendl;
+ return -CEPHFS_EAGAIN;
+ }
+ break;
+ case CEPH_DELEGATION_WR:
+ if (open_count() > 1) {
+ lsubdout(client->cct, client, 10) << __func__ << ": open" << dendl;
+ return -CEPHFS_EAGAIN;
+ }
+ break;
+ default:
+ return -CEPHFS_EINVAL;
+ }
+
+ /*
+ * A delegation is essentially a long-held container for cap references that
+ * we delegate to the client until recalled. The caps required depend on the
+ * type of delegation (read vs. rw). This is entirely an opportunistic thing.
+ * If we don't have the necessary caps for the delegation, then we just don't
+ * grant one.
+ *
+ * In principle we could request the caps from the MDS, but a delegation is
+ * usually requested just after an open. If we don't have the necessary caps
+ * already, then it's likely that there is some sort of conflicting access.
+ *
+ * In the future, we may need to add a way to have this request caps more
+ * aggressively -- for instance, to handle WANT_DELEGATION for NFSv4.1+.
+ */
+ int need = ceph_deleg_caps_for_type(type);
+ if (!caps_issued_mask(need)) {
+ lsubdout(client->cct, client, 10) << __func__ << ": cap mismatch, have="
+ << ccap_string(caps_issued()) << " need=" << ccap_string(need) << dendl;
+ return -CEPHFS_EAGAIN;
+ }
+
+ for (list<Delegation>::iterator d = delegations.begin();
+ d != delegations.end(); ++d) {
+ Delegation& deleg = *d;
+ if (deleg.get_fh() == fh) {
+ deleg.reinit(type, cb, priv);
+ return 0;
+ }
+ }
+
+ delegations.emplace_back(fh, type, cb, priv);
+ return 0;
+}
+
+/**
+ * unset_deleg - remove a delegation that was previously set
+ * @fh: file handle to clear delegation of
+ *
+ * Unlink delegation from the Inode (if there is one), put caps and free it.
+ */
+void Inode::unset_deleg(Fh *fh)
+{
+ for (list<Delegation>::iterator d = delegations.begin();
+ d != delegations.end(); ++d) {
+ Delegation& deleg = *d;
+ if (deleg.get_fh() == fh) {
+ delegations.erase(d);
+ client->signal_cond_list(waitfor_deleg);
+ break;
+ }
+ }
+}
+
+/**
+* mark_caps_dirty - mark some caps dirty
+* @caps: the dirty caps
+*
+* note that if there is no dirty and flushing caps before, we need to pin this inode.
+* it will be unpined by handle_cap_flush_ack when there are no dirty and flushing caps.
+*/
+void Inode::mark_caps_dirty(int caps)
+{
+ /*
+ * If auth_cap is nullptr means the reonnecting is not finished or
+ * already rejected.
+ */
+ if (!auth_cap) {
+ ceph_assert(!dirty_caps);
+
+ lsubdout(client->cct, client, 1) << __func__ << " " << *this << " dirty caps '" << ccap_string(caps)
+ << "', but no auth cap." << dendl;
+ return;
+ }
+
+ lsubdout(client->cct, client, 10) << __func__ << " " << *this << " " << ccap_string(dirty_caps) << " -> "
+ << ccap_string(dirty_caps | caps) << dendl;
+
+ if (caps && !caps_dirty())
+ iget();
+
+ dirty_caps |= caps;
+ auth_cap->session->get_dirty_list().push_back(&dirty_cap_item);
+ client->cap_delay_requeue(this);
+}
+
+/**
+* mark_caps_clean - only clean the dirty_caps and caller should start flushing the dirty caps.
+*/
+void Inode::mark_caps_clean()
+{
+ lsubdout(client->cct, client, 10) << __func__ << " " << *this << dendl;
+ dirty_caps = 0;
+ dirty_cap_item.remove_myself();
+}
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 05:05:34 +0000