commit 47cab810bb7ea315a2dec23c2f61e7ba74515b82
Author: Martin Cermak <mcermak@redhat.com>
Date: Fri Dec 16 16:08:20 2022 -0500
tapset: nfs.proc.commit_done compilation on some kernels
Correct:
9.0 Server x86_64 # stap -vp3 nfs.proc.commit_done.stp
Pass 1: parsed user script and 482 library scripts using 108088virt/88468res/12460shr/75476data kb, in 190usr/60sys/501real ms.
semantic error: invalid access '->task' vs 'void*': operator '->' at /usr/share/systemtap/tapset/linux/nfs_proc.stpm:16:21
source: ( get_ip(&@nfs_data->task) )
^
in expansion of macro: operator '@_nfs_data_server_ip' at /usr/share/systemtap/tapset/linux/nfs_proc.stp:1421:15
source: server_ip = @_nfs_data_server_ip($task->tk_calldata)
^
diff --git a/tapset/linux/nfs_proc.stp b/tapset/linux/nfs_proc.stp
index 9b1f65f5f..4413384f9 100644
--- a/tapset/linux/nfs_proc.stp
+++ b/tapset/linux/nfs_proc.stp
@@ -1442,10 +1442,11 @@ probe nfs.proc3.commit_done = kernel.function("nfs3_commit_done") !,
valid = @_nfs_data_valid($data)
}
else {
- server_ip = @_nfs_data_server_ip($task->tk_calldata)
- prot = @_nfs_data_prot($task->tk_calldata)
- count = @_nfs_data_res_count($task->tk_calldata)
- valid = @_nfs_data_valid($task->tk_calldata)
+ _tk_calldata=@choose_defined($task->tk_calldata, @cast($task, "rpc_task", "kernel:nfs")->tk_calldata)
+ server_ip = @_nfs_data_server_ip(_tk_calldata)
+ prot = @_nfs_data_prot(_tk_calldata)
+ count = @_nfs_data_res_count(_tk_calldata)
+ valid = @_nfs_data_valid(_tk_calldata)
}
timestamp = 0
version = 3
diff --git a/tapset/linux/nfs_proc.stpm b/tapset/linux/nfs_proc.stpm
index 8576c0f33..4fe40b2a5 100644
--- a/tapset/linux/nfs_proc.stpm
+++ b/tapset/linux/nfs_proc.stpm
@@ -13,7 +13,7 @@
@define _nfs_data_server_ip(nfs_data)
%(
- ( get_ip(&@nfs_data->task) )
+ ( get_ip(@choose_defined(&@nfs_data->task, &@cast(@nfs_data, "nfs_commit_data", "kernel:nfs")->task)) )
%)
@define _nfs_data_prot(nfs_data)