|
 |
ddf19c |
From 2b921f7162b53204051955228bf99bbed55d2457 Mon Sep 17 00:00:00 2001
|
|
|
ddf19c |
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
|
|
|
ddf19c |
Date: Mon, 27 Jan 2020 19:01:53 +0100
|
|
|
ddf19c |
Subject: [PATCH 082/116] virtiofsd: Clean up inodes on destroy
|
|
|
ddf19c |
MIME-Version: 1.0
|
|
|
ddf19c |
Content-Type: text/plain; charset=UTF-8
|
|
|
ddf19c |
Content-Transfer-Encoding: 8bit
|
|
|
ddf19c |
|
|
|
ddf19c |
RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
|
ddf19c |
Message-id: <20200127190227.40942-79-dgilbert@redhat.com>
|
|
|
ddf19c |
Patchwork-id: 93532
|
|
|
ddf19c |
O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 078/112] virtiofsd: Clean up inodes on destroy
|
|
|
ddf19c |
Bugzilla: 1694164
|
|
|
ddf19c |
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
|
|
|
ddf19c |
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
|
ddf19c |
RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
|
|
|
ddf19c |
|
|
|
ddf19c |
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
|
|
|
ddf19c |
|
|
|
ddf19c |
Clear out our inodes and fd's on a 'destroy' - so we get rid
|
|
|
ddf19c |
of them if we reboot the guest.
|
|
|
ddf19c |
|
|
|
ddf19c |
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
|
ddf19c |
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
|
|
|
ddf19c |
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
|
ddf19c |
(cherry picked from commit 771b01eb76ff480fee984bd1d21727147cc3e702)
|
|
|
ddf19c |
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
|
ddf19c |
---
|
|
|
ddf19c |
tools/virtiofsd/passthrough_ll.c | 26 ++++++++++++++++++++++++++
|
|
|
ddf19c |
1 file changed, 26 insertions(+)
|
|
|
ddf19c |
|
|
|
ddf19c |
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
|
|
|
ddf19c |
index b176a31..9ed77a1 100644
|
|
|
ddf19c |
--- a/tools/virtiofsd/passthrough_ll.c
|
|
|
ddf19c |
+++ b/tools/virtiofsd/passthrough_ll.c
|
|
|
ddf19c |
@@ -1169,6 +1169,25 @@ static void unref_inode_lolocked(struct lo_data *lo, struct lo_inode *inode,
|
|
|
ddf19c |
}
|
|
|
ddf19c |
}
|
|
|
ddf19c |
|
|
|
ddf19c |
+static int unref_all_inodes_cb(gpointer key, gpointer value, gpointer user_data)
|
|
|
ddf19c |
+{
|
|
|
ddf19c |
+ struct lo_inode *inode = value;
|
|
|
ddf19c |
+ struct lo_data *lo = user_data;
|
|
|
ddf19c |
+
|
|
|
ddf19c |
+ inode->refcount = 0;
|
|
|
ddf19c |
+ lo_map_remove(&lo->ino_map, inode->fuse_ino);
|
|
|
ddf19c |
+ close(inode->fd);
|
|
|
ddf19c |
+
|
|
|
ddf19c |
+ return TRUE;
|
|
|
ddf19c |
+}
|
|
|
ddf19c |
+
|
|
|
ddf19c |
+static void unref_all_inodes(struct lo_data *lo)
|
|
|
ddf19c |
+{
|
|
|
ddf19c |
+ pthread_mutex_lock(&lo->mutex);
|
|
|
ddf19c |
+ g_hash_table_foreach_remove(lo->inodes, unref_all_inodes_cb, lo);
|
|
|
ddf19c |
+ pthread_mutex_unlock(&lo->mutex);
|
|
|
ddf19c |
+}
|
|
|
ddf19c |
+
|
|
|
ddf19c |
static void lo_forget_one(fuse_req_t req, fuse_ino_t ino, uint64_t nlookup)
|
|
|
ddf19c |
{
|
|
|
ddf19c |
struct lo_data *lo = lo_data(req);
|
|
|
ddf19c |
@@ -2035,6 +2054,12 @@ static void lo_lseek(fuse_req_t req, fuse_ino_t ino, off_t off, int whence,
|
|
|
ddf19c |
}
|
|
|
ddf19c |
}
|
|
|
ddf19c |
|
|
|
ddf19c |
+static void lo_destroy(void *userdata)
|
|
|
ddf19c |
+{
|
|
|
ddf19c |
+ struct lo_data *lo = (struct lo_data *)userdata;
|
|
|
ddf19c |
+ unref_all_inodes(lo);
|
|
|
ddf19c |
+}
|
|
|
ddf19c |
+
|
|
|
ddf19c |
static struct fuse_lowlevel_ops lo_oper = {
|
|
|
ddf19c |
.init = lo_init,
|
|
|
ddf19c |
.lookup = lo_lookup,
|
|
|
ddf19c |
@@ -2073,6 +2098,7 @@ static struct fuse_lowlevel_ops lo_oper = {
|
|
|
ddf19c |
.copy_file_range = lo_copy_file_range,
|
|
|
ddf19c |
#endif
|
|
|
ddf19c |
.lseek = lo_lseek,
|
|
|
ddf19c |
+ .destroy = lo_destroy,
|
|
|
ddf19c |
};
|
|
|
ddf19c |
|
|
|
ddf19c |
/* Print vhost-user.json backend program capabilities */
|
|
|
ddf19c |
--
|
|
|
ddf19c |
1.8.3.1
|
|
|
ddf19c |
|