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Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH v6 19/30] afs: Print the operation debug_id when logging an unexpected data version From: David Howells To: linux-fsdevel@vger.kernel.org Cc: linux-afs@lists.infradead.org, linux-cachefs@redhat.com, dhowells@redhat.com, Trond Myklebust , Anna Schumaker , Steve French , Dominique Martinet , Jeff Layton , David Wysochanski , "Matthew Wilcox (Oracle)" , Alexander Viro , linux-cachefs@redhat.com, linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-mm@kvack.org Date: Thu, 08 Apr 2021 15:08:02 +0100 Message-ID: <161789088290.6155.3494369629853673866.stgit@warthog.procyon.org.uk> In-Reply-To: <161789062190.6155.12711584466338493050.stgit@warthog.procyon.org.uk> References: <161789062190.6155.12711584466338493050.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.23 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Rspamd-Queue-Id: 2FE4CC0007E2 X-Stat-Signature: 7d5aikruqpf6bnx7wjhtwth8sx7gu18o X-Rspamd-Server: rspam02 Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf22; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=216.205.24.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1617890894-772285 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Print the afs_operation debug_id when logging an unexpected change in the data version. This allows the logged message to be matched against tracelines. Signed-off-by: David Howells cc: linux-afs@lists.infradead.org cc: linux-cachefs@redhat.com cc: linux-fsdevel@vger.kernel.org Link: https://lore.kernel.org/r/160588528377.3465195.2206051235095182302.stgit@warthog.procyon.org.uk/ # rfc Link: https://lore.kernel.org/r/161118146111.1232039.11398082422487058312.stgit@warthog.procyon.org.uk/ # rfc Link: https://lore.kernel.org/r/161161042180.2537118.2471333561661033316.stgit@warthog.procyon.org.uk/ # v2 Link: https://lore.kernel.org/r/161340405772.1303470.3877167548944248214.stgit@warthog.procyon.org.uk/ # v3 Link: https://lore.kernel.org/r/161539549628.286939.15234870409714613954.stgit@warthog.procyon.org.uk/ # v4 Link: https://lore.kernel.org/r/161653805530.2770958.15120507632529970934.stgit@warthog.procyon.org.uk/ # v5 --- fs/afs/inode.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/afs/inode.c b/fs/afs/inode.c index 8de6f05987b4..a4bb3ac762be 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -214,11 +214,12 @@ static void afs_apply_status(struct afs_operation *op, if (vp->dv_before + vp->dv_delta != status->data_version) { if (test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) - pr_warn("kAFS: vnode modified {%llx:%llu} %llx->%llx %s\n", + pr_warn("kAFS: vnode modified {%llx:%llu} %llx->%llx %s (op=%x)\n", vnode->fid.vid, vnode->fid.vnode, (unsigned long long)vp->dv_before + vp->dv_delta, (unsigned long long)status->data_version, - op->type ? op->type->name : "???"); + op->type ? op->type->name : "???", + op->debug_id); vnode->invalid_before = status->data_version; if (vnode->status.type == AFS_FTYPE_DIR) {