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