[PATCH 17/33] afs: Print the operation debug_id when logging an unexpected data version

From: David Howells
Date: Mon Feb 15 2021 - 12:05:10 EST


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 <dhowells@xxxxxxxxxx>
cc: linux-afs@xxxxxxxxxxxxxxxxxxx
cc: linux-cachefs@xxxxxxxxxx
cc: linux-fsdevel@xxxxxxxxxxxxxxx
---

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 48edd8d724d2..0bc7273100b8 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -215,11 +215,12 @@ 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) {