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common: Add _dmsetup_create and _dmsetup_remove helpers

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Make sure both "$UDEV_SETTLE_PROG" and "mknodes" can always
be run after a dm create or remove operation.

Suggested-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Xiao Yang
2018-06-28 09:45:34 +08:00
committed by Eryu Guan
parent 6b6ff4a005
commit f86ce7cc4b
8 changed files with 42 additions and 58 deletions
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common/rc
+14
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@@ -3794,6 +3794,20 @@ _require_label_get_max()
dummy=$(_label_get_max)
}
_dmsetup_remove()
{
$UDEV_SETTLE_PROG >/dev/null 2>&1
$DMSETUP_PROG remove "$@" >>$seqres.full 2>&1
$DMSETUP_PROG mknodes >/dev/null 2>&1
}
_dmsetup_create()
{
$DMSETUP_PROG create "$@" >>$seqres.full 2>&1 || return 1
$DMSETUP_PROG mknodes >/dev/null 2>&1
$UDEV_SETTLE_PROG >/dev/null 2>&1
}
init_rc
################################################################################