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authorSteve French <stfrench@microsoft.com>2024-03-24 06:01:02 +0100
committerSteve French <stfrench@microsoft.com>2024-03-26 20:56:36 +0100
commite9e9fbeb83f65d3d487e0a0838c0867292c99fb2 (patch)
tree4dd0edb15ec9c9470545d0ae64c592a75e8709b8 /fs/smb
parentLinux 6.9-rc1 (diff)
downloadlinux-e9e9fbeb83f65d3d487e0a0838c0867292c99fb2.tar.xz
linux-e9e9fbeb83f65d3d487e0a0838c0867292c99fb2.zip
smb3: add trace event for mknod
Add trace points to help debug mknod and mkfifo: smb3_mknod_done smb3_mknod_enter smb3_mknod_err Example output: TASK-PID CPU# ||||| TIMESTAMP FUNCTION | | | ||||| | | mkfifo-6163 [003] ..... 960.425558: smb3_mknod_enter: xid=12 sid=0xb55130f6 tid=0x46e6241c path=\fifo1 mkfifo-6163 [003] ..... 960.432719: smb3_mknod_done: xid=12 sid=0xb55130f6 tid=0x46e6241c Reviewed-by: Bharath SM <bharathsm@microsoft.com> Reviewed-by: Meetakshi Setiya <msetiya@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smb')
-rw-r--r--fs/smb/client/dir.c7
-rw-r--r--fs/smb/client/trace.h4
2 files changed, 10 insertions, 1 deletions
diff --git a/fs/smb/client/dir.c b/fs/smb/client/dir.c
index 89333d9bce36..d11dc3aa458b 100644
--- a/fs/smb/client/dir.c
+++ b/fs/smb/client/dir.c
@@ -612,11 +612,18 @@ int cifs_mknod(struct mnt_idmap *idmap, struct inode *inode,
goto mknod_out;
}
+ trace_smb3_mknod_enter(xid, tcon->ses->Suid, tcon->tid, full_path);
+
rc = tcon->ses->server->ops->make_node(xid, inode, direntry, tcon,
full_path, mode,
device_number);
mknod_out:
+ if (rc)
+ trace_smb3_mknod_err(xid, tcon->ses->Suid, tcon->tid, rc);
+ else
+ trace_smb3_mknod_done(xid, tcon->ses->Suid, tcon->tid);
+
free_dentry_path(page);
free_xid(xid);
cifs_put_tlink(tlink);
diff --git a/fs/smb/client/trace.h b/fs/smb/client/trace.h
index f9c1fd32d0b8..5e83cb9da902 100644
--- a/fs/smb/client/trace.h
+++ b/fs/smb/client/trace.h
@@ -375,6 +375,7 @@ DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(get_reparse_compound_enter);
DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(delete_enter);
DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(mkdir_enter);
DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(tdis_enter);
+DEFINE_SMB3_INF_COMPOUND_ENTER_EVENT(mknod_enter);
DECLARE_EVENT_CLASS(smb3_inf_compound_done_class,
TP_PROTO(unsigned int xid,
@@ -415,7 +416,7 @@ DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(query_wsl_ea_compound_done);
DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(delete_done);
DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(mkdir_done);
DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(tdis_done);
-
+DEFINE_SMB3_INF_COMPOUND_DONE_EVENT(mknod_done);
DECLARE_EVENT_CLASS(smb3_inf_compound_err_class,
TP_PROTO(unsigned int xid,
@@ -461,6 +462,7 @@ DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(query_wsl_ea_compound_err);
DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(mkdir_err);
DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(delete_err);
DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(tdis_err);
+DEFINE_SMB3_INF_COMPOUND_ERR_EVENT(mknod_err);
/*
* For logging SMB3 Status code and Command for responses which return errors