https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-13987 Lustre <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>PID: 114738 TASK: ffff9badebb64100 CPU: 18 COMMAND: "cat" #0 [ffff9ba732603668] __schedule at ffffffff87b67747 #1 [ffff9ba7326036f0] schedule at ffffffff87b67c49 #2 [ffff9ba732603700] obd_get_request_slot at ffffffffc0dbe0a4 [obdclass] #3 [ffff9ba7326037b8] ldlm_cli_enqueue at ffffffffc0faedce [ptlrpc] #4 [ffff9ba732603878] mdc_enqueue_send at ffffffffc11b38a8 [mdc] #5 [ffff9ba732603938] mdc_lock_enqueue at ffffffffc11b3eb2 [mdc] #6 [ffff9ba7326039a8] cl_lock_enqueue at ffffffffc0dfee95 [obdclass] #7 [ffff9ba7326039e0] lov_lock_enqueue at ffffffffc10ef265 [lov] #8 [ffff9ba732603a20] cl_lock_enqueue at ffffffffc0dfee95 [obdclass] #9 [ffff9ba732603a58] cl_lock_request at ffffffffc0dff54b [obdclass] #10 [ffff9ba732603a90] cl_glimpse_lock at ffffffffc122fd41 [lustre] #11 [ffff9ba732603ad8] vvp_prep_size at ffffffffc123623d [lustre] #12 [ffff9ba732603b38] vvp_io_read_start at ffffffffc1237862 [lustre] #13 [ffff9ba732603be0] cl_io_start at ffffffffc0e01458 [obdclass] #14 [ffff9ba732603c08] cl_io_loop at ffffffffc0e036bc [obdclass] #15 [ffff9ba732603c38] ll_file_io_generic at ffffffffc11ee067 [lustre] #16 [ffff9ba732603d50] ll_file_aio_read at ffffffffc11ef67f [lustre] #17 [ffff9ba732603df0] ll_file_read at ffffffffc11ef820 [lustre] </pre> </div></div> <p>cl_glimpse_lock() doesn't match a lock with LDLM_FL_BL_AST even if this lock is acquired by the same thread earlier.</p> LU-13987

Don't re-enqueue glimpse lock on read

Bug Minor Resolved Fixed Andriy Skulysh Andriy Skulysh Fri, 25 Sep 2020 06:48:52 +0000 Thu, 26 Nov 2020 14:48:49 +0000 Thu, 26 Nov 2020 14:48:49 +0000 Lustre 2.14.0 0 2 <p>Andriy Skulysh (c17819@cray.com) uploaded a new patch: <a href="https://review.whamcloud.com/40044" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40044</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13987" title="Don&#39;t re-enqueue glimpse lock on read" class="issue-link" data-issue-key="LU-13987"><del>LU-13987</del></a> ldlm: Don't re-enqueue glimpse lock on read<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 86b084ac8744c097e60ade822b1d45e9a5938c64</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/40044/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40044/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13987" title="Don&#39;t re-enqueue glimpse lock on read" class="issue-link" data-issue-key="LU-13987"><del>LU-13987</del></a> ldlm: Don't re-enqueue glimpse lock on read<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 829a3a93d43e4d080bfbbff2d8faa89f786f4e69</p> <p>Landed for 2.14</p> Development Rank 1|i01aqn: Rank (Obsolete) 9223372036854775807 Severity