Bug #14047: rbd: rbd order will be place in 22, when set to 0 in the config_opt - rbd - Ceph

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Bug #14047

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rbd: rbd order will be place in 22, when set to 0 in the config_opt

Added by huanwen ren over 8 years ago. Updated over 8 years ago.

Status:

Resolved

Priority:

Normal

Assignee:

Target version:

% Done:

Source:

Community (user)

Tags:

Backport:

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

Ceph - v0.94.5

ceph-qa-suite:

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

rbd order will be place in 22, when set to 0 in the config_opt

File:     librbd/Internal.cc
Function: 
librbd::create(IoCtx& io_ctx, const char *imgname, uint64_t size,
         ImageOptions& opts)
...
if (!order)
      order = cct->_conf->rbd_default_order;
    if (!order)
      order = RBD_DEFAULT_OBJ_ORDER;

    if (order > 25 || order < 12) {
      lderr(cct) << "order must be in the range [12, 25]" << dendl;
      return -EDOM;

#define RBD_DEFAULT_OBJ_ORDER    22   /* 4MB */