qemu-kvm/kvm-virtiofsd-Clean-up-inodes-on-destroy.patch

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* Fri Jan 31 2020 Miroslav Rezanina <mrezanin@redhat.com> - 4.2.0-8.el8 - kvm-target-arm-arch_dump-Add-SVE-notes.patch [bz#1725084] - kvm-vhost-Add-names-to-section-rounded-warning.patch [bz#1779041] - kvm-vhost-Only-align-sections-for-vhost-user.patch [bz#1779041] - kvm-vhost-coding-style-fix.patch [bz#1779041] - kvm-virtio-fs-fix-MSI-X-nvectors-calculation.patch [bz#1694164] - kvm-vhost-user-fs-remove-vhostfd-property.patch [bz#1694164] - kvm-build-rename-CONFIG_LIBCAP-to-CONFIG_LIBCAP_NG.patch [bz#1694164] - kvm-virtiofsd-Pull-in-upstream-headers.patch [bz#1694164] - kvm-virtiofsd-Pull-in-kernel-s-fuse.h.patch [bz#1694164] - kvm-virtiofsd-Add-auxiliary-.c-s.patch [bz#1694164] - kvm-virtiofsd-Add-fuse_lowlevel.c.patch [bz#1694164] - kvm-virtiofsd-Add-passthrough_ll.patch [bz#1694164] - kvm-virtiofsd-Trim-down-imported-files.patch [bz#1694164] - kvm-virtiofsd-Format-imported-files-to-qemu-style.patch [bz#1694164] - kvm-virtiofsd-remove-mountpoint-dummy-argument.patch [bz#1694164] - kvm-virtiofsd-remove-unused-notify-reply-support.patch [bz#1694164] - kvm-virtiofsd-Remove-unused-enum-fuse_buf_copy_flags.patch [bz#1694164] - kvm-virtiofsd-Fix-fuse_daemonize-ignored-return-values.patch [bz#1694164] - kvm-virtiofsd-Fix-common-header-and-define-for-QEMU-buil.patch [bz#1694164] - kvm-virtiofsd-Trim-out-compatibility-code.patch [bz#1694164] - kvm-vitriofsd-passthrough_ll-fix-fallocate-ifdefs.patch [bz#1694164] - kvm-virtiofsd-Make-fsync-work-even-if-only-inode-is-pass.patch [bz#1694164] - kvm-virtiofsd-Add-options-for-virtio.patch [bz#1694164] - kvm-virtiofsd-add-o-source-PATH-to-help-output.patch [bz#1694164] - kvm-virtiofsd-Open-vhost-connection-instead-of-mounting.patch [bz#1694164] - kvm-virtiofsd-Start-wiring-up-vhost-user.patch [bz#1694164] - kvm-virtiofsd-Add-main-virtio-loop.patch [bz#1694164] - kvm-virtiofsd-get-set-features-callbacks.patch [bz#1694164] - kvm-virtiofsd-Start-queue-threads.patch [bz#1694164] - kvm-virtiofsd-Poll-kick_fd-for-queue.patch [bz#1694164] - kvm-virtiofsd-Start-reading-commands-from-queue.patch [bz#1694164] - kvm-virtiofsd-Send-replies-to-messages.patch [bz#1694164] - kvm-virtiofsd-Keep-track-of-replies.patch [bz#1694164] - kvm-virtiofsd-Add-Makefile-wiring-for-virtiofsd-contrib.patch [bz#1694164] - kvm-virtiofsd-Fast-path-for-virtio-read.patch [bz#1694164] - kvm-virtiofsd-add-fd-FDNUM-fd-passing-option.patch [bz#1694164] - kvm-virtiofsd-make-f-foreground-the-default.patch [bz#1694164] - kvm-virtiofsd-add-vhost-user.json-file.patch [bz#1694164] - kvm-virtiofsd-add-print-capabilities-option.patch [bz#1694164] - kvm-virtiofs-Add-maintainers-entry.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-create-new-files-in-caller-.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-lo_map-for-ino-fh-indir.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-ino_map-to-hide-lo_inod.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-dirp_map-to-hide-lo_dir.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-fd_map-to-hide-file-des.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-fallback-for-racy-ops.patch [bz#1694164] - kvm-virtiofsd-validate-path-components.patch [bz#1694164] - kvm-virtiofsd-Plumb-fuse_bufvec-through-to-do_write_buf.patch [bz#1694164] - kvm-virtiofsd-Pass-write-iov-s-all-the-way-through.patch [bz#1694164] - kvm-virtiofsd-add-fuse_mbuf_iter-API.patch [bz#1694164] - kvm-virtiofsd-validate-input-buffer-sizes-in-do_write_bu.patch [bz#1694164] - kvm-virtiofsd-check-input-buffer-size-in-fuse_lowlevel.c.patch [bz#1694164] - kvm-virtiofsd-prevent-.-escape-in-lo_do_lookup.patch [bz#1694164] - kvm-virtiofsd-prevent-.-escape-in-lo_do_readdir.patch [bz#1694164] - kvm-virtiofsd-use-proc-self-fd-O_PATH-file-descriptor.patch [bz#1694164] - kvm-virtiofsd-sandbox-mount-namespace.patch [bz#1694164] - kvm-virtiofsd-move-to-an-empty-network-namespace.patch [bz#1694164] - kvm-virtiofsd-move-to-a-new-pid-namespace.patch [bz#1694164] - kvm-virtiofsd-add-seccomp-whitelist.patch [bz#1694164] - kvm-virtiofsd-Parse-flag-FUSE_WRITE_KILL_PRIV.patch [bz#1694164] - kvm-virtiofsd-cap-ng-helpers.patch [bz#1694164] - kvm-virtiofsd-Drop-CAP_FSETID-if-client-asked-for-it.patch [bz#1694164] - kvm-virtiofsd-set-maximum-RLIMIT_NOFILE-limit.patch [bz#1694164] - kvm-virtiofsd-fix-libfuse-information-leaks.patch [bz#1694164] - kvm-virtiofsd-add-syslog-command-line-option.patch [bz#1694164] - kvm-virtiofsd-print-log-only-when-priority-is-high-enoug.patch [bz#1694164] - kvm-virtiofsd-Add-ID-to-the-log-with-FUSE_LOG_DEBUG-leve.patch [bz#1694164] - kvm-virtiofsd-Add-timestamp-to-the-log-with-FUSE_LOG_DEB.patch [bz#1694164] - kvm-virtiofsd-Handle-reinit.patch [bz#1694164] - kvm-virtiofsd-Handle-hard-reboot.patch [bz#1694164] - kvm-virtiofsd-Kill-threads-when-queues-are-stopped.patch [bz#1694164] - kvm-vhost-user-Print-unexpected-slave-message-types.patch [bz#1694164] - kvm-contrib-libvhost-user-Protect-slave-fd-with-mutex.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-add-renameat2-support.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-disable-readdirplus-on-cach.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-control-readdirplus.patch [bz#1694164] - kvm-virtiofsd-rename-unref_inode-to-unref_inode_lolocked.patch [bz#1694164] - kvm-virtiofsd-fail-when-parent-inode-isn-t-known-in-lo_d.patch [bz#1694164] - kvm-virtiofsd-extract-root-inode-init-into-setup_root.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-clean-up-cache-related-opti.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-use-hashtable.patch [bz#1694164] - kvm-virtiofsd-Clean-up-inodes-on-destroy.patch [bz#1694164] - kvm-virtiofsd-support-nanosecond-resolution-for-file-tim.patch [bz#1694164] - kvm-virtiofsd-fix-error-handling-in-main.patch [bz#1694164] - kvm-virtiofsd-cleanup-allocated-resource-in-se.patch [bz#1694164] - kvm-virtiofsd-fix-memory-leak-on-lo.source.patch [bz#1694164] - kvm-virtiofsd-add-helper-for-lo_data-cleanup.patch [bz#1694164] - kvm-virtiofsd-Prevent-multiply-running-with-same-vhost_u.patch [bz#1694164] - kvm-virtiofsd-enable-PARALLEL_DIROPS-during-INIT.patch [bz#1694164] - kvm-virtiofsd-fix-incorrect-error-handling-in-lo_do_look.patch [bz#1694164] - kvm-Virtiofsd-fix-memory-leak-on-fuse-queueinfo.patch [bz#1694164] - kvm-virtiofsd-Support-remote-posix-locks.patch [bz#1694164] - kvm-virtiofsd-use-fuse_lowlevel_is_virtio-in-fuse_sessio.patch [bz#1694164] - kvm-virtiofsd-prevent-fv_queue_thread-vs-virtio_loop-rac.patch [bz#1694164] - kvm-virtiofsd-make-lo_release-atomic.patch [bz#1694164] - kvm-virtiofsd-prevent-races-with-lo_dirp_put.patch [bz#1694164] - kvm-virtiofsd-rename-inode-refcount-to-inode-nlookup.patch [bz#1694164] - kvm-libvhost-user-Fix-some-memtable-remap-cases.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-fix-refcounting-on-remove-r.patch [bz#1694164] - kvm-virtiofsd-introduce-inode-refcount-to-prevent-use-af.patch [bz#1694164] - kvm-virtiofsd-do-not-always-set-FUSE_FLOCK_LOCKS.patch [bz#1694164] - kvm-virtiofsd-convert-more-fprintf-and-perror-to-use-fus.patch [bz#1694164] - kvm-virtiofsd-Reset-O_DIRECT-flag-during-file-open.patch [bz#1694164] - kvm-virtiofsd-Fix-data-corruption-with-O_APPEND-write-in.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-Use-cache_readdir-for-direc.patch [bz#1694164] - kvm-virtiofsd-add-definition-of-fuse_buf_writev.patch [bz#1694164] - kvm-virtiofsd-use-fuse_buf_writev-to-replace-fuse_buf_wr.patch [bz#1694164] - kvm-virtiofsd-process-requests-in-a-thread-pool.patch [bz#1694164] - kvm-virtiofsd-prevent-FUSE_INIT-FUSE_DESTROY-races.patch [bz#1694164] - kvm-virtiofsd-fix-lo_destroy-resource-leaks.patch [bz#1694164] - kvm-virtiofsd-add-thread-pool-size-NUM-option.patch [bz#1694164] - kvm-virtiofsd-Convert-lo_destroy-to-take-the-lo-mutex-lo.patch [bz#1694164] - kvm-virtiofsd-passthrough_ll-Pass-errno-to-fuse_reply_er.patch [bz#1694164] - kvm-virtiofsd-stop-all-queue-threads-on-exit-in-virtio_l.patch [bz#1694164] - kvm-virtiofsd-add-some-options-to-the-help-message.patch [bz#1694164] - kvm-redhat-ship-virtiofsd-vhost-user-device-backend.patch [bz#1694164] - Resolves: bz#1694164 (virtio-fs: host<->guest shared file system (qemu)) - Resolves: bz#1725084 (aarch64: support dumping SVE registers) - Resolves: bz#1779041 (netkvm: no connectivity Windows guest with q35 + hugepages + vhost + hv_synic)
2020-01-31 10:12:06 +00:00
From 2b921f7162b53204051955228bf99bbed55d2457 Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Mon, 27 Jan 2020 19:01:53 +0100
Subject: [PATCH 082/116] virtiofsd: Clean up inodes on destroy
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: <20200127190227.40942-79-dgilbert@redhat.com>
Patchwork-id: 93532
O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 078/112] virtiofsd: Clean up inodes on destroy
Bugzilla: 1694164
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Clear out our inodes and fd's on a 'destroy' - so we get rid
of them if we reboot the guest.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 771b01eb76ff480fee984bd1d21727147cc3e702)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
tools/virtiofsd/passthrough_ll.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index b176a31..9ed77a1 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -1169,6 +1169,25 @@ static void unref_inode_lolocked(struct lo_data *lo, struct lo_inode *inode,
}
}
+static int unref_all_inodes_cb(gpointer key, gpointer value, gpointer user_data)
+{
+ struct lo_inode *inode = value;
+ struct lo_data *lo = user_data;
+
+ inode->refcount = 0;
+ lo_map_remove(&lo->ino_map, inode->fuse_ino);
+ close(inode->fd);
+
+ return TRUE;
+}
+
+static void unref_all_inodes(struct lo_data *lo)
+{
+ pthread_mutex_lock(&lo->mutex);
+ g_hash_table_foreach_remove(lo->inodes, unref_all_inodes_cb, lo);
+ pthread_mutex_unlock(&lo->mutex);
+}
+
static void lo_forget_one(fuse_req_t req, fuse_ino_t ino, uint64_t nlookup)
{
struct lo_data *lo = lo_data(req);
@@ -2035,6 +2054,12 @@ static void lo_lseek(fuse_req_t req, fuse_ino_t ino, off_t off, int whence,
}
}
+static void lo_destroy(void *userdata)
+{
+ struct lo_data *lo = (struct lo_data *)userdata;
+ unref_all_inodes(lo);
+}
+
static struct fuse_lowlevel_ops lo_oper = {
.init = lo_init,
.lookup = lo_lookup,
@@ -2073,6 +2098,7 @@ static struct fuse_lowlevel_ops lo_oper = {
.copy_file_range = lo_copy_file_range,
#endif
.lseek = lo_lseek,
+ .destroy = lo_destroy,
};
/* Print vhost-user.json backend program capabilities */
--
1.8.3.1