On 07/29/2013 10:10 PM, James Lee wrote:
> To eliminate a race condition that occurs when unlocking one device
> depends on the result of unlocking a device before it, the crypt
> module must wait for udev to settle between each unlock attempt.
>
> Example
>
> /etc/crypttab:
>
> keyfile /dev/md1 none luks
> sda4_crypt /dev/sda4 /dev/mapper/keyfile luks
> sdb4_crypt /dev/sdb4 /dev/mapper/keyfile luks
>
> Without this patch, sometimes /dev/sda4 fails to unlock because udev
> doesn't have time to create /dev/mapper/keyfile before it's needed.
> ---
> modules.d/90crypt/parse-crypt.sh | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/modules.d/90crypt/parse-crypt.sh
> b/modules.d/90crypt/parse-crypt.sh
> index 961ec61..4e42d59 100755
> --- a/modules.d/90crypt/parse-crypt.sh
> +++ b/modules.d/90crypt/parse-crypt.sh
> @@ -23,7 +23,7 @@ else
> {
> printf -- 'ENV{ID_FS_TYPE}=="crypto_LUKS", '
> printf -- 'ENV{ID_FS_UUID}=="*%s*", ' $luksid
> - printf -- 'RUN+="%s --unique --onetime ' $(command -v
> initqueue)
> + printf -- 'RUN+="%s --settled --unique --onetime '
> $(command -v initqueue)
> printf -- '--name cryptroot-ask-%%k %s ' $(command -v
> cryptroot-ask)
> printf -- '$env{DEVNAME} luks-$env{ID_FS_UUID} %s"\n'
> $tout
> } >> /etc/udev/rules.d/70-luks.rules.new
> @@ -31,7 +31,7 @@ else
> {
> printf -- 'ENV{ID_FS_TYPE}=="crypto_LUKS", '
> printf -- 'ENV{ID_FS_UUID}=="*%s*", ' $luksid
> - printf -- 'RUN+="%s --unique --onetime ' $(command -v
> initqueue)
> + printf -- 'RUN+="%s --settled --unique --onetime '
> $(command -v initqueue)
> printf -- '--name systemd-cryptsetup-%%k %s start '
> $(command -v systemctl)
> printf -- 'systemd-cryptsetup@luks$$(dev_unit_name
> -$env{ID_FS_UUID}).service"\n'
> } >> /etc/udev/rules.d/70-luks.rules.new
> @@ -51,13 +51,13 @@ else
> if [ -z "$DRACUT_SYSTEMD" ]; then
> {
> printf -- 'ENV{ID_FS_TYPE}=="crypto_LUKS", RUN+="%s '
> $(command -v initqueue)
> - printf -- '--unique --onetime --name cryptroot-ask-%%k '
> + printf -- '--unique --settled --onetime --name
> cryptroot-ask-%%k '
> printf -- '%s $env{DEVNAME} luks-$env{ID_FS_UUID} %s"\n'
> $(command -v cryptroot-ask) $tout
> } >> /etc/udev/rules.d/70-luks.rules.new
> else
> {
> printf -- 'ENV{ID_FS_TYPE}=="crypto_LUKS", RUN+="%s '
> $(command -v initqueue)
> - printf -- '--unique --onetime --name crypt-run-generator-%%k
> '
> + printf -- '--unique --settled --onetime --name
> crypt-run-generator-%%k '
> printf -- '%s $env{DEVNAME} luks-$env{ID_FS_UUID}"\n'
> $(command -v crypt-run-generator)
> } >> /etc/udev/rules.d/70-luks.rules.new
> fi
>
thanks! pushed
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