qemuVirtioFSStop: Simplify daemon kill

Now, that we know that the virtiofsd will have the pidfile open
and locked we can use virPidFileForceCleanupPath() to kill it and
unlink the pidfile.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Michal Privoznik 2020-03-13 17:03:10 +01:00
parent 1566be99be
commit a8db4dc31f

View File

@ -36,6 +36,8 @@
#define VIR_FROM_THIS VIR_FROM_QEMU
VIR_LOG_INIT("qemu.virtiofs");
char *
qemuVirtioFSCreatePidFilename(virDomainObjPtr vm,
@ -271,28 +273,19 @@ qemuVirtioFSStop(virQEMUDriverPtr driver G_GNUC_UNUSED,
{
g_autofree char *pidfile = NULL;
virErrorPtr orig_err;
pid_t pid = -1;
int rc;
virErrorPreserveLast(&orig_err);
if (!(pidfile = qemuVirtioFSCreatePidFilename(vm, fs->info.alias)))
goto cleanup;
rc = virPidFileReadPathIfAlive(pidfile, &pid, NULL);
if (rc >= 0 && pid != (pid_t) -1)
virProcessKillPainfully(pid, true);
if (unlink(pidfile) < 0 &&
errno != ENOENT) {
virReportSystemError(errno,
_("Unable to remove stale pidfile %s"),
pidfile);
if (virPidFileForceCleanupPath(pidfile) < 0) {
VIR_WARN("Unable to kill virtiofsd process");
} else {
if (QEMU_DOMAIN_FS_PRIVATE(fs)->vhostuser_fs_sock)
unlink(QEMU_DOMAIN_FS_PRIVATE(fs)->vhostuser_fs_sock);
}
if (QEMU_DOMAIN_FS_PRIVATE(fs)->vhostuser_fs_sock)
unlink(QEMU_DOMAIN_FS_PRIVATE(fs)->vhostuser_fs_sock);
cleanup:
virErrorRestore(&orig_err);
}