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cifs: add new debugging macro cifs_server_dbg

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which can be used from contexts where we have a TCP_Server_Info *server.
This new macro will prepend the debugging string with "Server:<servername> "
which will help when debugging issues on hosts with many cifs connections
to several different servers.

Convert a bunch of cifs_dbg(VFS) calls to cifs_server_dbg(VFS)

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Ronnie Sahlberg
2019-08-28 17:15:35 +10:00
committed by Steve French
parent dc9300a670
commit afe6f65353
5 changed files with 204 additions and 163 deletions
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31
fs/cifs/cifs_debug.h
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@@ -80,6 +80,30 @@ do { \
type, fmt, ##__VA_ARGS__); \
} while (0)
#define cifs_server_dbg_func(ratefunc, type, fmt, ...) \
do { \
if ((type) & FYI && cifsFYI & CIFS_INFO) { \
pr_debug_ ## ratefunc("%s: Server:%s " fmt, \
__FILE__, server->hostname, ##__VA_ARGS__);\
} else if ((type) & VFS) { \
pr_err_ ## ratefunc("CIFS VFS: Server:%s " fmt, \
server->hostname, ##__VA_ARGS__); \
} else if ((type) & NOISY && (NOISY != 0)) { \
pr_debug_ ## ratefunc("Server:%s " fmt, \
server->hostname, ##__VA_ARGS__); \
} \
} while (0)
#define cifs_server_dbg(type, fmt, ...) \
do { \
if ((type) & ONCE) \
cifs_server_dbg_func(once, \
type, fmt, ##__VA_ARGS__); \
else \
cifs_server_dbg_func(ratelimited, \
type, fmt, ##__VA_ARGS__); \
} while (0)
/*
* debug OFF
* ---------
@@ -91,6 +115,13 @@ do { \
pr_debug(fmt, ##__VA_ARGS__); \
} while (0)
#define cifs_server_dbg(type, fmt, ...) \
do { \
if (0) \
pr_debug("Server:%s " fmt, \
server->hostname, ##__VA_ARGS__); \
} while (0)
#define cifs_info(fmt, ...) \
do { \
pr_info("CIFS: "fmt, ##__VA_ARGS__); \