btrfs-progs: send: constify some arugments

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/cmds-send.c b/cmds-send.c
index 2a8a697..6846b18 100644 (file)
--- a/cmds-send.c
+++ b/cmds-send.c
@@ -251,7 +251,7 @@ out:
 }
 
 static int do_send(struct btrfs_send *send, u64 parent_root_id,
-                  int is_first_subvol, int is_last_subvol, char *subvol,
+                  int is_first_subvol, int is_last_subvol, const char *subvol,
                   u64 flags)
 {
        int ret;
@@ -378,7 +378,7 @@ out:
 
 }
 
-static int is_subvol_ro(struct btrfs_send *s, char *subvol)
+static int is_subvol_ro(struct btrfs_send *s, const char *subvol)
 {
        int ret;
        u64 flags;