Commit adbed05e authored by Venky Shankar's avatar Venky Shankar Committed by Ilya Dryomov
Browse files

ceph: mount syntax module parameter 



Add read-only module parameters for supported mount syntaxes. Primary
user is the user-space mount helper for catching v2 syntax bugs during
testing by cross verifying if the kernel supports v2 syntax on mount
failure.

Signed-off-by: default avatarVenky Shankar <vshankar@redhat.com>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent e1b9eb50

fs/ceph/super.c

+8 −0
Original line number Diff line number Diff line
@@ -1461,6 +1461,14 @@ bool disable_send_metrics = false; 
module_param_cb(disable_send_metrics, &param_ops_metrics, &disable_send_metrics, 0644);

MODULE_PARM_DESC(disable_send_metrics, "Enable sending perf metrics to ceph cluster (default: on)");



/* for both v1 and v2 syntax */

static bool mount_support = true;

static const struct kernel_param_ops param_ops_mount_syntax = {

	.get = param_get_bool,

};

module_param_cb(mount_syntax_v1, &param_ops_mount_syntax, &mount_support, 0444);

module_param_cb(mount_syntax_v2, &param_ops_mount_syntax, &mount_support, 0444);



module_init(init_ceph);

module_exit(exit_ceph);