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Add additional message when backendfs is extfs without d_type support

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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>
This commit is contained in:
Chengguang Xu 2018-05-09 21:26:14 +08:00
parent dfde597fbb
commit 8a21b128d4
1 changed files with 5 additions and 0 deletions
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5
daemon/graphdriver/overlayutils/overlayutils.go
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@ -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)