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-rw-r--r--tools/examples/block31
1 files changed, 15 insertions, 16 deletions
diff --git a/tools/examples/block b/tools/examples/block
index 14af64a66d..8ec73231bf 100644
--- a/tools/examples/block
+++ b/tools/examples/block
@@ -68,7 +68,7 @@ check_sharing()
local devmm=$(device_major_minor "$dev")
local file
- if [ "$mode" == 'w' ]
+ if [ "$mode" = 'w' ]
then
toskip="^$"
else
@@ -81,7 +81,7 @@ check_sharing()
then
local d=$(device_major_minor "$file")
- if [ "$d" == "$devmm" ]
+ if [ "$d" = "$devmm" ]
then
echo 'local'
return
@@ -96,9 +96,9 @@ check_sharing()
do
d=$(xenstore_read_default "$base_path/$dom/$dev/physical-device" "")
- if [ "$d" == "$devmm" ]
+ if [ "$d" = "$devmm" ]
then
- if [ "$mode" == 'w' ]
+ if [ "$mode" = 'w' ]
then
if ! same_vm $dom
then
@@ -109,7 +109,7 @@ check_sharing()
local m=$(xenstore_read "$base_path/$dom/$dev/mode")
m=$(canonicalise_mode "$m")
- if [ "$m" == 'w' ]
+ if [ "$m" = 'w' ]
then
if ! same_vm $dom
then
@@ -138,7 +138,7 @@ same_vm()
local othervm=$(xenstore_read_default "/local/domain/$otherdom/vm" \
"$FRONTEND_UUID")
- [ "$FRONTEND_UUID" == "$othervm" ]
+ [ "$FRONTEND_UUID" = "$othervm" ]
}
@@ -153,7 +153,7 @@ check_device_sharing()
local mode=$(canonicalise_mode "$2")
local result
- if [ "$mode" == '!' ]
+ if [ "x$mode" = 'x!' ]
then
return 0
fi
@@ -202,7 +202,7 @@ do_ebusy()
local mode="$2"
local result="$3"
- if [ "$result" == 'guest' ]
+ if [ "$result" = 'guest' ]
then
dom='a guest '
when='now'
@@ -211,7 +211,7 @@ do_ebusy()
when='by a guest'
fi
- if [ "$mode" == 'w' ]
+ if [ "$mode" = 'w' ]
then
m1=''
m2=''
@@ -266,7 +266,7 @@ case "$command" in
claim_lock "block"
- if [ "$mode" == 'w' ] && ! stat "$file" -c %A | grep -q w
+ if [ "$mode" = 'w' ] && ! stat "$file" -c %A | grep -q w
then
release_lock "block"
ebusy \
@@ -287,7 +287,7 @@ mount it read-write in a guest domain."
if [ "$f" ]
then
# $dev is in use. Check sharing.
- if [ "$mode" == '!' ]
+ if [ "x$mode" = 'x!' ]
then
continue
fi
@@ -307,7 +307,7 @@ mount it read-write in a guest domain."
do
d=$(xenstore_read_default \
"$XENBUS_BASE_PATH/$dom/$domdev/node" "")
- if [ "$d" == "$dev" ]
+ if [ "$d" = "$dev" ]
then
f=$(xenstore_read "$XENBUS_BASE_PATH/$dom/$domdev/params")
found=1
@@ -347,7 +347,7 @@ mount it read-write in a guest domain."
f=$(readlink -f "$f" || echo $(dirname "$file")/$(basename "$f"))
- if [ "$f" == "$file" ]
+ if [ "$f" = "$file" ]
then
check_file_sharing "$file" "$dev" "$mode"
fi
@@ -355,14 +355,14 @@ mount it read-write in a guest domain."
# $dev is not in use, so we'll remember it for use later; we want
# to finish the sharing check first.
- if [ "$loopdev" == '' ]
+ if [ "$loopdev" = '' ]
then
loopdev="$dev"
fi
fi
done
- if [ "$loopdev" == '' ]
+ if [ "$loopdev" = '' ]
then
fatal 'Failed to find an unused loop device'
fi
@@ -377,7 +377,6 @@ mount it read-write in a guest domain."
"")
claim_lock "block"
success
- echo happy gun \"$t\" >>/tmp/block.$$
release_lock "block"
;;
esac