The commit is pushed to "branch-rh9-5.14.0-427.44.1.vz9.80.x-ovz" and will
appear at [email protected]:openvz/vzkernel.git
after rh9-5.14.0-427.44.1.vz9.80.4
------>
commit c97311bd2513e7185071e243a3cb67261d44bb27
Author: Alexey Kuznetsov <[email protected]>
Date: Sat Jan 18 02:09:13 2025 +0800
fs/fuse/kio: extend ktrace protocol to carry aux info
This is only protocol definition. This extension is backward
compatible way to transfer additional information in ktrace messages.
The extension is especially important for libpcs_blog and vstorage-mount,
but here we are going to use it to log more detailed timings and cpu
affinity information.
Signed-off-by: Alexey Kuznetsov <[email protected]>
Feature: vStorage
---
fs/fuse/kio/pcs/fuse_ktrace_prot.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/fs/fuse/kio/pcs/fuse_ktrace_prot.h
b/fs/fuse/kio/pcs/fuse_ktrace_prot.h
index 3c985f92c8c6..53356c7cfddc 100644
--- a/fs/fuse/kio/pcs/fuse_ktrace_prot.h
+++ b/fs/fuse/kio/pcs/fuse_ktrace_prot.h
@@ -47,4 +47,20 @@ struct fuse_tr_iotimes_cs
__u32 ts_io;
};
+struct fuse_tr_iotimes_aux {
+ __u32 ts_dio;
+ __u8 cpus[4];
+};
+
+#define FUSE_TR_ATTR_MAGIC 0xF8AC
+#define FUSE_TR_ATTR_PAD 0
+#define FUSE_TR_ATTR_NAME 1
+#define FUSE_TR_ATTR_AUX 2
+
+struct fuse_tr_attr {
+ __u16 magic;
+ __u16 type;
+ __u32 len;
+};
+
#endif /* _FUSE_KTRACE_PROT_H_ */
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