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From 851946468adf0bc80b9c66b10ae586449b51275f Mon Sep 17 00:00:00 2001
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From: Pekka Wallendahl <wyrmiyu@gmail.com>
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Date: Mon, 18 Jan 2016 20:28:22 +0200
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Subject: [PATCH] multipath: fix majmin_to_mpath_dev()
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* Multipath device names only start with the mpath-prefix if the option
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  use_userfriendly_names is set true in /etc/multipath.conf and if user
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  has not set any aliases in the said file. Thus the for-loop should go
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  through all files in /dev/mapper/, not just ones starting with 'mpath'
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* Bash is perfectly capable to extend `/dev/mapper/*` notation without a
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  need to pass it to an external ls
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* Changed the function to use a local variable $_dev instead of the
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  global $dev, which seemed to be the original intention as the local
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  _dev was defined but not used
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(cherry picked from commit 28058a2e373eb268d9b1cd5b65c2ad607961dad1)
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---
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 modules.d/90multipath/module-setup.sh | 7 ++++---
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 1 file changed, 4 insertions(+), 3 deletions(-)
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diff --git a/modules.d/90multipath/module-setup.sh b/modules.d/90multipath/module-setup.sh
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index 4971d18d..3983b7b7 100755
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--- a/modules.d/90multipath/module-setup.sh
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+++ b/modules.d/90multipath/module-setup.sh
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@@ -11,9 +11,10 @@ is_mpath() {
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 majmin_to_mpath_dev() {
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     local _dev
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-    for i in `ls -1 /dev/mapper/mpath*`; do
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-        dev=$(get_maj_min $i)
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-        if [ "$dev" = "$1" ]; then
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+    for i in /dev/mapper/*; do
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+        [[ $i == /dev/mapper/control ]] && continue
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+        _dev=$(get_maj_min $i)
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+        if [ "$_dev" = "$1" ]; then
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             echo $i
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             return
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         fi