[LU-12035] DoM/HSM: released file appears with "unknown" layout type

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Severity: 3
• Assignee: Mikhail Pershin
• Reporter: CEA

Description

If releasing a file striped on MDT, it appears with a lmm_pattern "unknown".
This may be a lack in liblustreapi's layout2name().

# lfs hsm_release /mnt/lustre/domfile
# lfs getstripe /mnt/lustre/domfile
/mnt/lustre/domfile
 lcm_layout_gen: 3
 lcm_mirror_count: 1
 lcm_entry_count: 2
 lcme_id: 1
 lcme_mirror_id: 0
 lcme_flags: init
 lcme_extent.e_start: 0
 lcme_extent.e_end: 1048576
 lmm_stripe_count: 0
 lmm_stripe_size: 1048576
* lmm_pattern: unknown*
 lmm_layout_gen: 0
 lmm_stripe_offset: 0
lcme_id: 2
 lcme_mirror_id: 0
 lcme_flags: init
 lcme_extent.e_start: 1048576
 lcme_extent.e_end: EOF
 lmm_stripe_count: -1
 lmm_stripe_size: 4194304
 lmm_pattern: released
 lmm_layout_gen: 65535
 lmm_stripe_offset: 0