9p: remove 'proxy' filesystem backend driver

It has been deprecated since 8.1; remove it and suggest using the 'local' file
system backend driver instead or virtiofsd.

Acked-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

fsdev/meson.build

@@ -8,11 +8,3 @@ fsdev_ss.add(when: ['CONFIG_FSDEV_9P'], if_true: files(
 if host_os in ['linux', 'darwin']
   system_ss.add_all(fsdev_ss)
 endif
-
-if have_virtfs_proxy_helper
-  executable('virtfs-proxy-helper',
-             files('virtfs-proxy-helper.c', '9p-marshal.c', '9p-iov-marshal.c'),
-             dependencies: [qemuutil, libattr, libcap_ng],
-             install: true,
-             install_dir: get_option('libexecdir'))
-endif

fsdev/qemu-fsdev.c

@@ -89,17 +89,6 @@ static FsDriverTable FsDrivers[] = {
             NULL
         },
     },
-    {
-        .name = "proxy",
-        .ops = &proxy_ops,
-        .opts = (const char * []) {
-            COMMON_FS_DRIVER_OPTIONS,
-            "socket",
-            "sock_fd",
-            "writeout",
-            NULL
-        },
-    },
 };
 
 static int validate_opt(void *opaque, const char *name, const char *value,
@@ -133,14 +122,6 @@ int qemu_fsdev_add(QemuOpts *opts, Error **errp)
     }
 
     if (fsdriver) {
-        if (strncmp(fsdriver, "proxy", 5) == 0) {
-            warn_report(
-                "'-fsdev proxy' and '-virtfs proxy' are deprecated, use "
-                "'local' instead of 'proxy, or consider deploying virtiofsd "
-                "as alternative to 9p"
-            );
-        }
-
         for (i = 0; i < ARRAY_SIZE(FsDrivers); i++) {
             if (strcmp(FsDrivers[i].name, fsdriver) == 0) {
                 break;

fsdev/qemu-fsdev.h

@@ -18,5 +18,4 @@ int qemu_fsdev_add(QemuOpts *opts, Error **errp);
 FsDriverEntry *get_fsdev_fsentry(char *id);
 extern FileOperations local_ops;
 extern FileOperations synth_ops;
-extern FileOperations proxy_ops;
 #endif