[PATCH 3/4] ceph: record updated mon_addr on remount

[Venky Shankar <vshankar@redhat.com>]

Note that the new monitors are just shown in /proc/mounts.
Ceph does not (re)connect to new monitors yet.

Signed-off-by: Venky Shankar <vshankar@redhat.com>
---
 fs/ceph/super.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 84bc06e51680..48493ac372fa 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -1250,6 +1250,12 @@ static int ceph_reconfigure_fc(struct fs_context *fc)
 	else
 		ceph_clear_mount_opt(fsc, ASYNC_DIROPS);
 
+	if (strcmp(fsc->mount_options->mon_addr, fsopt->mon_addr)) {
+		kfree(fsc->mount_options->mon_addr);
+		fsc->mount_options->mon_addr = kstrdup(fsopt->mon_addr,
+						       GFP_KERNEL);
+	}
+
 	sync_filesystem(fc->root->d_sb);
 	return 0;
 }
-- 
2.27.0