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Add additional message when backendfs is extfs without d_type support

ext4 support d_type by default, but filetype feature is a tunable so
there is still a chance to disable it for some reasons. In this case,
print additional message to explicitly tell how to support d_type.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>

Chengguang Xu authored on 2018/05/09 22:26:14
Showing 1 changed files

daemon/graphdriver/overlayutils/overlayutils.go

History View file @ 8a21b12

@@ -14,6 +14,11 @@ func ErrDTypeNotSupported(driver, backingFs string) error {
                      	if backingFs == "xfs" {
                      		msg += " Reformat the filesystem with ftype=1 to enable d_type support."
+                     	}
+                    +
                     +	if backingFs == "extfs" {
                     +		msg += " Reformat the filesystem (or use tune2fs) with -O filetype flag to enable d_type support."
                     +	}
+                    +
                      	msg += " Backing filesystems without d_type support are not supported."
                      	return graphdriver.NotSupportedError(msg)