extsize command is currently only supported with XFS filesystem.
Lift this restriction now that ext4 is also supporting extsize hints.

Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
---
 io/open.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/io/open.c b/io/open.c
index a30dd89a1fd5..2582ff9b862e 100644
--- a/io/open.c
+++ b/io/open.c
@@ -997,7 +997,7 @@ open_init(void)
 	extsize_cmd.args = _("[-D | -R] [extsize]");
 	extsize_cmd.argmin = 0;
 	extsize_cmd.argmax = -1;
-	extsize_cmd.flags = CMD_NOMAP_OK;
+	extsize_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
 	extsize_cmd.oneline =
 		_("get/set preferred extent size (in bytes) for the open file");
 	extsize_cmd.help = extsize_help;
-- 
2.43.5