From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Simmons Date: Wed, 24 Jul 2019 22:44:04 -0400 Subject: [lustre-devel] [PATCH 5/8] lustre: fld: retry fld rpc until the import is closed In-Reply-To: <1564022647-17351-1-git-send-email-jsimmons@infradead.org> References: <1564022647-17351-1-git-send-email-jsimmons@infradead.org> Message-ID: <1564022647-17351-6-git-send-email-jsimmons@infradead.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org From: Wang Di Since LWP is not replayable, it should retry RPC until the import is closed, otherwise it would cause unnecessary failure of the application. WC-bug-id: https://jira.whamcloud.com/browse/LU-5312 Lustre-commit: 07d481957c16832c782bb7d0c1fc436bcb148ea6 Signed-off-by: Wang Di Reviewed-on: http://review.whamcloud.com/11039 Reviewed-by: Andreas Dilger Reviewed-by: Fan Yong Reviewed-by: Oleg Drokin --- fs/lustre/fld/fld_request.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/fs/lustre/fld/fld_request.c b/fs/lustre/fld/fld_request.c index ba0ef82..60e7105 100644 --- a/fs/lustre/fld/fld_request.c +++ b/fs/lustre/fld/fld_request.c @@ -367,12 +367,10 @@ int fld_client_rpc(struct obd_export *exp, rc = ptlrpc_queue_wait(req); obd_put_request_slot(&exp->exp_obd->u.cli); if (rc != 0) { - if (rc == -EWOULDBLOCK || rc == -ESHUTDOWN) { - /* For no_delay req(see above), EWOULDBLOCK and - * ESHUTDOWN means the connection is being evicted, - * but this seq lookup should not return error, - * since it would cause unecessary failure of the - * application, instead it should retry here + if (imp->imp_state != LUSTRE_IMP_CLOSED) { + /* Since LWP is not replayable, so it will keep + * trying unless umount happens, otherwise it would + * cause unecessary failure of the application. */ ptlrpc_req_finished(req); goto again; -- 1.8.3.1