Commit feeec636 authored Sep 01, 2023 by Steve French

smb3: add trace point for queryfs (statfs)



In debugging a recent performance problem with statfs, it would have
been helpful to be able to trace the smb3 query fs info request
more narrowly.  Add a trace point "smb3_qfs_done"

Which displays:

 stat-68950   [008] .....  1472.360598: smb3_qfs_done: xid=14 sid=0xaa9765e4 tid=0x95a76f54 unc_name=\\localhost\test rc=0

Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

parent f48d4d35

fs/smb/client/smb2ops.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2683,6 +2683,7 @@ smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
		smb2_copy_fs_info_to_kstatfs(info, buf);

		qfs_exit:
		trace_smb3_qfs_done(xid, tcon->tid, tcon->ses->Suid, tcon->tree_name, rc);
		free_rsp_buf(buftype, rsp_iov.iov_base);
		return rc;
		}

fs/smb/client/trace.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -691,7 +691,7 @@ DEFINE_EVENT(smb3_tcon_class, smb3_##name, \
		TP_ARGS(xid, tid, sesid, unc_name, rc))

		DEFINE_SMB3_TCON_EVENT(tcon);

		DEFINE_SMB3_TCON_EVENT(qfs_done);

		/*
		* For smb2/smb3 open (including create and mkdir) calls