Bug #3744: librbd: need to handle older OSDs that don't have cls_lock - Ceph - Ceph

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Bug #3744

closed

librbd: need to handle older OSDs that don't have cls_lock

Added by Dan Mick over 11 years ago. Updated over 11 years ago.

Status:

Resolved

Priority:

Urgent

Assignee:

Dan Mick

Category:

OSD

Target version:

% Done:

Source:

Development

Tags:

Backport:

bobtail

Regression:

Severity:

Reviewed:

Affected Versions:

ceph-qa-suite:

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

Older OSDs didn't have libcls_lock, and will fail lock operations; this means
virtually all rbd operations and rados lock list will fail on older/mixed clusters.

Treat "unsupported" lock failure as non-fatal. Ideally we'd use
EOPNOTSUPP, but that error code was added relatively recently (eed28daaf8927339c2ecae1b1b06c1b63678ab03 in v0.55); before that it was EIO.
Fix by treating either error as ignorable.

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Updated by Dan Mick over 11 years ago

Subject changed from librbd, rados: need to handle older OSDs that don't have cls_lock to librbd: need to handle older OSDs that don't have cls_lock

Actually, rados lock list should continue to fail.

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