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device-helper: avoid redundant blkid call

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illiliti 2021-05-11 12:37:45 +03:00
parent cddf2ff836
commit 7a6aaf0850
1 changed files with 2 additions and 2 deletions
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4
device-helper
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@ -29,7 +29,7 @@ command -v blkid || exit 0
# Race condition may occur if uevent arrives faster(isn't that a kernel bug!?) # Race condition may occur if uevent arrives faster(isn't that a kernel bug!?)
# than the kernel initializes device. This prevents blkid to fetch data from # than the kernel initializes device. This prevents blkid to fetch data from
# device. To fix this, we simply waiting until blkid is succeeded. # device. To fix this, we simply waiting until blkid is succeeded.
while ! blkid "/dev/${dev_name}"; do while ! _blkid=$(blkid "/dev/${dev_name}"); do
if [ "$((count += 1))" = 30 ]; then if [ "$((count += 1))" = 30 ]; then
exit 1 exit 1
else else
@ -37,7 +37,7 @@ while ! blkid "/dev/${dev_name}"; do
fi fi
done done
for line in $(blkid "/dev/${dev_name}"); do case "${line%%=*}" in for line in $_blkid; do case "${line%%=*}" in
UUID) create_symlink /dev/disk/by-uuid "${line##*=}" ;; UUID) create_symlink /dev/disk/by-uuid "${line##*=}" ;;
LABEL) create_symlink /dev/disk/by-label "${line##*=}" ;; LABEL) create_symlink /dev/disk/by-label "${line##*=}" ;;
PARTUUID) create_symlink /dev/disk/by-partuuid "${line##*=}" ;; PARTUUID) create_symlink /dev/disk/by-partuuid "${line##*=}" ;;