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Bug #48651

closed

xfstest generic/020 failure

Added by Jeff Layton over 3 years ago. Updated almost 2 years ago.

Status:
Duplicate
Priority:
Normal
Assignee:
Jeff Layton
Category:
-
Target version:
-
% Done:

0%

Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Crash signature (v1):
Crash signature (v2):

Description

xfstest generic/020 started failing sometimes. The test tries to set a really large xattr, and then fails with ENOSPC. This is deliberate by the MDS:

    if (((cur_xattrs_size + inc) > g_conf()->mds_max_xattr_pairs_size)) {                           
      dout(10) << "xattr kv pairs size too big. cur_xattrs_size "                                   
        << cur_xattrs_size << ", inc " << inc << dendl;                                             
      respond_to_request(mdr, -ENOSPC);                                                             
      return;                                                                                       
    }

That conf value defaults to 64k.

The issue here is that it doesn't always fail. If we have Xx caps then we can (and do) buffer the xattr change.

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