rbd-fuse: fix warning

Signed-off-by: Sage Weil <sage@inktank.com>

diff --git a/src/rbd_fuse/rbd-fuse.c b/src/rbd_fuse/rbd-fuse.c
index 748976aabaf084dee95241f278194b30b25a21df..0b28f63c3add85da2a38787d175cc758e911feec 100644 (file)
--- a/src/rbd_fuse/rbd-fuse.c
+++ b/src/rbd_fuse/rbd-fuse.c
@@ -593,7 +593,7 @@ int
 rbdfs_listxattr(const char *path, char *list, size_t len)
 {
        struct rbdfuse_attr *ap;
-       int required_len = 0;
+       size_t required_len = 0;
 
        if (strcmp(path, "/") != 0)
                return -EINVAL;