vdev_id: variable not getting expanded under map_slot()

[arshad512]

Under function map_slot() variable passed as args
were not getting properly substituted or expanded.
This patch fixes the substitution issue.

Signed-off-by: Arshad Hussain [email protected]

Motivation and Context

Description

How Has This Been Tested?

Locally tested. As this non-expansion issue is limited to funciton.

$ bash -x ./test.sh

• LINUX_SLOT=4
• CHANNEL=c3bay
• map_slot 4 c3bay
• LINUX_SLOT=4
• CHANNEL=c3bay
  ++ awk -v linux_slot=4 -v channel=c3bay '$1 == "slot" && $2 == linux_slot &&
  $4 ~ "^"channel"$" { print $3; exit}' ./config
• MAPPED_SLOT=8
• '[' -z 8 ']'
• printf %d 8
  8$

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Performance enhancement (non-breaking change which improves efficiency)
• Code cleanup (non-breaking change which makes code smaller or more readable)
• Breaking change (fix or feature that would cause existing functionality to change)
• Library ABI change (libzfs, libzfs_core, libnvpair, libuutil and libzfsbootenv)
• Documentation (a change to man pages or other documentation)

Checklist:

• [x ] My code follows the OpenZFS code style requirements.
• I have updated the documentation accordingly.
• [x ] I have read the contributing document.
• I have added tests to cover my changes.
• I have run the ZFS Test Suite with this change applied.
• All commit messages are properly formatted and contain Signed-off-by.

[tonyhutter]

I'll give this a test on our enclosures

[tonyhutter]

I tested this on two different enclosure types and saw no issues.