forked from Minki/linux
68e14569d7
Needed this for debugging a failing xfstest.
Also change camel case for "treeName" to "tree_name" in tcon struct.
Example trace output (from "trace-cmd record -e smb3_tdis*"):
umount-9718 [006] ..... 5909.780244: smb3_tdis_enter: xid=206 sid=0xcf38894e tid=0x3d0b8cf8 path=\\localhost\test
umount-9718 [007] ..... 5909.780878: smb3_tdis_done: xid=206 sid=0xcf38894e tid=0x3d0b8cf8
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
161 lines
4.3 KiB
C
161 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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*
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* Copyright (c) International Business Machines Corp., 2000,2002
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* Modified by Steve French (sfrench@us.ibm.com)
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*/
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#ifndef _H_CIFS_DEBUG
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#define _H_CIFS_DEBUG
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#ifdef pr_fmt
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#undef pr_fmt
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#endif
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#define pr_fmt(fmt) "CIFS: " fmt
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void cifs_dump_mem(char *label, void *data, int length);
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void cifs_dump_detail(void *buf, struct TCP_Server_Info *ptcp_info);
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void cifs_dump_mids(struct TCP_Server_Info *);
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extern bool traceSMB; /* flag which enables the function below */
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void dump_smb(void *, int);
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#define CIFS_INFO 0x01
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#define CIFS_RC 0x02
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#define CIFS_TIMER 0x04
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#define VFS 1
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#define FYI 2
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extern int cifsFYI;
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#ifdef CONFIG_CIFS_DEBUG2
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#define NOISY 4
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#else
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#define NOISY 0
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#endif
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#define ONCE 8
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/*
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* debug ON
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* --------
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*/
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#ifdef CONFIG_CIFS_DEBUG
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/*
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* When adding tracepoints and debug messages we have various choices.
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* Some considerations:
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*
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* Use cifs_dbg(VFS, ...) for things we always want logged, and the user to see
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* cifs_info(...) slightly less important, admin can filter via loglevel > 6
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* cifs_dbg(FYI, ...) minor debugging messages, off by default
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* trace_smb3_* ftrace functions are preferred for complex debug messages
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* intended for developers or experienced admins, off by default
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*/
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/* Information level messages, minor events */
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#define cifs_info_func(ratefunc, fmt, ...) \
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pr_info_ ## ratefunc(fmt, ##__VA_ARGS__)
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#define cifs_info(fmt, ...) \
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cifs_info_func(ratelimited, fmt, ##__VA_ARGS__)
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/* information message: e.g., configuration, major event */
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#define cifs_dbg_func(ratefunc, type, fmt, ...) \
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do { \
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if ((type) & FYI && cifsFYI & CIFS_INFO) { \
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pr_debug_ ## ratefunc("%s: " fmt, \
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__FILE__, ##__VA_ARGS__); \
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} else if ((type) & VFS) { \
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pr_err_ ## ratefunc("VFS: " fmt, ##__VA_ARGS__); \
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} else if ((type) & NOISY && (NOISY != 0)) { \
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pr_debug_ ## ratefunc(fmt, ##__VA_ARGS__); \
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} \
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} while (0)
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#define cifs_dbg(type, fmt, ...) \
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do { \
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if ((type) & ONCE) \
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cifs_dbg_func(once, type, fmt, ##__VA_ARGS__); \
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else \
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cifs_dbg_func(ratelimited, type, fmt, ##__VA_ARGS__); \
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} while (0)
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#define cifs_server_dbg_func(ratefunc, type, fmt, ...) \
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do { \
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const char *sn = ""; \
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if (server && server->hostname) \
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sn = server->hostname; \
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if ((type) & FYI && cifsFYI & CIFS_INFO) { \
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pr_debug_ ## ratefunc("%s: \\\\%s " fmt, \
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__FILE__, sn, ##__VA_ARGS__); \
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} else if ((type) & VFS) { \
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pr_err_ ## ratefunc("VFS: \\\\%s " fmt, \
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sn, ##__VA_ARGS__); \
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} else if ((type) & NOISY && (NOISY != 0)) { \
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pr_debug_ ## ratefunc("\\\\%s " fmt, \
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sn, ##__VA_ARGS__); \
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} \
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} while (0)
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#define cifs_server_dbg(type, fmt, ...) \
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do { \
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if ((type) & ONCE) \
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cifs_server_dbg_func(once, type, fmt, ##__VA_ARGS__); \
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else \
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cifs_server_dbg_func(ratelimited, type, fmt, \
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##__VA_ARGS__); \
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} while (0)
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#define cifs_tcon_dbg_func(ratefunc, type, fmt, ...) \
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do { \
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const char *tn = ""; \
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if (tcon && tcon->tree_name) \
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tn = tcon->tree_name; \
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if ((type) & FYI && cifsFYI & CIFS_INFO) { \
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pr_debug_ ## ratefunc("%s: %s " fmt, \
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__FILE__, tn, ##__VA_ARGS__); \
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} else if ((type) & VFS) { \
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pr_err_ ## ratefunc("VFS: %s " fmt, tn, ##__VA_ARGS__); \
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} else if ((type) & NOISY && (NOISY != 0)) { \
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pr_debug_ ## ratefunc("%s " fmt, tn, ##__VA_ARGS__); \
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} \
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} while (0)
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#define cifs_tcon_dbg(type, fmt, ...) \
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do { \
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if ((type) & ONCE) \
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cifs_tcon_dbg_func(once, type, fmt, ##__VA_ARGS__); \
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else \
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cifs_tcon_dbg_func(ratelimited, type, fmt, \
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##__VA_ARGS__); \
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} while (0)
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/*
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* debug OFF
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* ---------
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*/
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#else /* _CIFS_DEBUG */
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#define cifs_dbg(type, fmt, ...) \
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do { \
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if (0) \
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pr_debug(fmt, ##__VA_ARGS__); \
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} while (0)
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#define cifs_server_dbg(type, fmt, ...) \
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do { \
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if (0) \
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pr_debug("\\\\%s " fmt, \
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server->hostname, ##__VA_ARGS__); \
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} while (0)
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#define cifs_tcon_dbg(type, fmt, ...) \
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do { \
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if (0) \
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pr_debug("%s " fmt, tcon->tree_name, ##__VA_ARGS__); \
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} while (0)
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#define cifs_info(fmt, ...) \
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pr_info(fmt, ##__VA_ARGS__)
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#endif
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#endif /* _H_CIFS_DEBUG */
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