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test: improve holding device open

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Use 'exec' to open device and then just pass descriptor to sleep.
This commit is contained in:
Zdenek Kabelac 2025-02-18 21:56:21 +01:00
parent e3f0af8f1f
commit 79c022133b
1 changed files with 8 additions and 7 deletions
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15
test/shell/pvmove-open.sh
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@ -25,18 +25,19 @@ _create_lv()
_keep_open()
{
export LANG=C
export LVM_TEST_TAG="kill_me_$PREFIX"
local d="$DM_DEV_DIR/mapper/$vg-$1"
for i in {1..20}; do
for i in {30..0}; do
test "$i" -eq 0 && die "Failed to wait and open: $d!"
# try to keep device open for a while
sleep ${2-10} 2>err <"$DM_DEV_DIR/mapper/$vg-$1" || true
# finish if sleep has NOT failed for "no such file"
not grep "No such file" err && return
# wait a bit before retrying open...
exec 2>/dev/null 3<"$d" && break
sleep .1
done
skip "Cannot hold device $DM_DEV_DIR/mapper/$vg-$1 open!"
echo "Keeping open: $d."
sleep ${2-5} || true
exec 3<&-
}
_check_msg()