fstools: check existing filesystem state before writing the new one
authorFelix Fietkau <nbd@openwrt.org>
Sun, 10 Jan 2016 17:35:36 +0000 (18:35 +0100)
committerFelix Fietkau <nbd@openwrt.org>
Sun, 10 Jan 2016 17:35:36 +0000 (18:35 +0100)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
libfstools/overlay.c

index 7f696061fa6792405af5366e33d120ac73422c5d..cdac23e0d04bb6c707d9ca873085936a9749c545 100644 (file)
@@ -311,6 +311,9 @@ int fs_state_set(const char *dir, enum fs_state state)
        char valstr[16];
        char *path;
 
+       if (fs_state_get(dir) == state)
+               return 0;
+
        path = alloca(strlen(dir) + 1 + sizeof("/.fs_state"));
        sprintf(path, "%s/.fs_state", dir);
        unlink(path);