xfs_io: fix the minimum arguments to the reflink command

The reflink command can reflink the entirety of two files if the
offsets and lengths are not specified... but we forgot to permit
that case.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>

diff --git a/io/reflink.c b/io/reflink.c
index 11b8fb4daab92f912fb28ad3daf68c2ecbac7858..f008319031a766881998f53cfd8b1634a7c4fe4e 100644 (file)
--- a/io/reflink.c
+++ b/io/reflink.c
@@ -302,7 +302,7 @@ reflink_init(void)
        reflink_cmd.name = "reflink";
        reflink_cmd.altname = "rl";
        reflink_cmd.cfunc = reflink_f;
-       reflink_cmd.argmin = 4;
+       reflink_cmd.argmin = 1;
        reflink_cmd.argmax = -1;
        reflink_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
        reflink_cmd.args =