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SubjectRe: [Patch v4 14/22] CIFS: SMBD: Implement function to send data via RDMA send
Hi Long,

[auto build test WARNING on cifs/for-next]
[also build test WARNING on v4.14-rc3]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Long-Li/CIFS-Implement-SMBDirect/20171004-165915
base: git://git.samba.org/sfrench/cifs-2.6.git for-next
config: i386-randconfig-x001-201740 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All warnings (new ones prefixed by >>):

In file included from include/linux/kernel.h:13:0,
from include/linux/list.h:8,
from include/linux/module.h:9,
from fs/cifs/smbdirect.c:16:
fs/cifs/smbdirect.c: In function 'smbd_send':
>> fs/cifs/cifs_debug.h:55:24: warning: format '%lu' expects argument of type 'long unsigned int', but argument 8 has type 'size_t {aka unsigned int}' [-Wformat=]
pr_debug_ratelimited("%s: " \
^
include/linux/printk.h:285:21: note: in definition of macro 'pr_fmt'
#define pr_fmt(fmt) fmt
^~~
>> fs/cifs/cifs_debug.h:55:3: note: in expansion of macro 'pr_debug_ratelimited'
pr_debug_ratelimited("%s: " \
^~~~~~~~~~~~~~~~~~~~
>> fs/cifs/smbdirect.c:143:3: note: in expansion of macro 'cifs_dbg'
cifs_dbg(VFS, "%s:%d " fmt, __func__, __LINE__, ##args);\
^~~~~~~~
>> fs/cifs/smbdirect.c:151:40: note: in expansion of macro 'log_rdma'
#define log_write(level, fmt, args...) log_rdma(level, LOG_WRITE, fmt, ##args)
^~~~~~~~
>> fs/cifs/smbdirect.c:2148:6: note: in expansion of macro 'log_write'
log_write(INFO,
^~~~~~~~~
In file included from fs/cifs/smbdirect.c:18:0:
>> fs/cifs/smbdirect.c:143:17: warning: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'size_t {aka unsigned int}' [-Wformat=]
cifs_dbg(VFS, "%s:%d " fmt, __func__, __LINE__, ##args);\
^
fs/cifs/cifs_debug.h:58:16: note: in definition of macro 'cifs_dbg'
cifs_vfs_err(fmt, ##__VA_ARGS__); \
^~~
>> fs/cifs/smbdirect.c:151:40: note: in expansion of macro 'log_rdma'
#define log_write(level, fmt, args...) log_rdma(level, LOG_WRITE, fmt, ##args)
^~~~~~~~
>> fs/cifs/smbdirect.c:2148:6: note: in expansion of macro 'log_write'
log_write(INFO,
^~~~~~~~~
In file included from include/linux/kernel.h:13:0,
from include/linux/list.h:8,
from include/linux/module.h:9,
from fs/cifs/smbdirect.c:16:
fs/cifs/smbdirect.c:143:17: warning: format '%lu' expects argument of type 'long unsigned int', but argument 7 has type 'size_t {aka unsigned int}' [-Wformat=]
cifs_dbg(VFS, "%s:%d " fmt, __func__, __LINE__, ##args);\
^
include/linux/printk.h:285:21: note: in definition of macro 'pr_fmt'
#define pr_fmt(fmt) fmt
^~~
fs/cifs/cifs_debug.h:60:3: note: in expansion of macro 'pr_debug_ratelimited'
pr_debug_ratelimited(fmt, ##__VA_ARGS__); \
^~~~~~~~~~~~~~~~~~~~
>> fs/cifs/smbdirect.c:143:3: note: in expansion of macro 'cifs_dbg'
cifs_dbg(VFS, "%s:%d " fmt, __func__, __LINE__, ##args);\
^~~~~~~~
>> fs/cifs/smbdirect.c:151:40: note: in expansion of macro 'log_rdma'
#define log_write(level, fmt, args...) log_rdma(level, LOG_WRITE, fmt, ##args)
^~~~~~~~
>> fs/cifs/smbdirect.c:2148:6: note: in expansion of macro 'log_write'
log_write(INFO,
^~~~~~~~~

vim +/cifs_dbg +143 fs/cifs/smbdirect.c

056f27d3 Long Li 2017-10-01 112
056f27d3 Long Li 2017-10-01 113 /* Transport logging functions
056f27d3 Long Li 2017-10-01 114 * Logging are defined as classes. They can be OR'ed to define the actual
056f27d3 Long Li 2017-10-01 115 * logging level via module parameter smbd_logging_class
056f27d3 Long Li 2017-10-01 116 * e.g. cifs.smbd_logging_class=0x500 will log all log_rdma_recv() and
056f27d3 Long Li 2017-10-01 117 * log_rdma_event()
056f27d3 Long Li 2017-10-01 118 */
056f27d3 Long Li 2017-10-01 119 #define LOG_OUTGOING 0x1
056f27d3 Long Li 2017-10-01 120 #define LOG_INCOMING 0x2
056f27d3 Long Li 2017-10-01 121 #define LOG_READ 0x4
056f27d3 Long Li 2017-10-01 122 #define LOG_WRITE 0x8
056f27d3 Long Li 2017-10-01 123 #define LOG_RDMA_SEND 0x10
056f27d3 Long Li 2017-10-01 124 #define LOG_RDMA_RECV 0x20
056f27d3 Long Li 2017-10-01 125 #define LOG_KEEP_ALIVE 0x40
056f27d3 Long Li 2017-10-01 126 #define LOG_RDMA_EVENT 0x80
056f27d3 Long Li 2017-10-01 127 #define LOG_RDMA_MR 0x100
056f27d3 Long Li 2017-10-01 128 static unsigned int smbd_logging_class = 0;
056f27d3 Long Li 2017-10-01 129 module_param(smbd_logging_class, uint, 0644);
056f27d3 Long Li 2017-10-01 130 MODULE_PARM_DESC(smbd_logging_class,
056f27d3 Long Li 2017-10-01 131 "Logging class for SMBD transport 0x0 to 0x100");
056f27d3 Long Li 2017-10-01 132
056f27d3 Long Li 2017-10-01 133 #define ERR 0x0
056f27d3 Long Li 2017-10-01 134 #define INFO 0x1
056f27d3 Long Li 2017-10-01 135 static unsigned int smbd_logging_level = ERR;
056f27d3 Long Li 2017-10-01 136 module_param(smbd_logging_level, uint, 0644);
056f27d3 Long Li 2017-10-01 137 MODULE_PARM_DESC(smbd_logging_level,
056f27d3 Long Li 2017-10-01 138 "Logging level for SMBD transport, 0 (default): error, 1: info");
056f27d3 Long Li 2017-10-01 139
056f27d3 Long Li 2017-10-01 140 #define log_rdma(level, class, fmt, args...) \
056f27d3 Long Li 2017-10-01 141 do { \
056f27d3 Long Li 2017-10-01 142 if (level <= smbd_logging_level || class & smbd_logging_class) \
056f27d3 Long Li 2017-10-01 @143 cifs_dbg(VFS, "%s:%d " fmt, __func__, __LINE__, ##args);\
056f27d3 Long Li 2017-10-01 144 } while (0)
056f27d3 Long Li 2017-10-01 145
056f27d3 Long Li 2017-10-01 146 #define log_outgoing(level, fmt, args...) \
056f27d3 Long Li 2017-10-01 147 log_rdma(level, LOG_OUTGOING, fmt, ##args)
056f27d3 Long Li 2017-10-01 148 #define log_incoming(level, fmt, args...) \
056f27d3 Long Li 2017-10-01 149 log_rdma(level, LOG_INCOMING, fmt, ##args)
056f27d3 Long Li 2017-10-01 150 #define log_read(level, fmt, args...) log_rdma(level, LOG_READ, fmt, ##args)
056f27d3 Long Li 2017-10-01 @151 #define log_write(level, fmt, args...) log_rdma(level, LOG_WRITE, fmt, ##args)
056f27d3 Long Li 2017-10-01 152 #define log_rdma_send(level, fmt, args...) \
056f27d3 Long Li 2017-10-01 153 log_rdma(level, LOG_RDMA_SEND, fmt, ##args)
056f27d3 Long Li 2017-10-01 154 #define log_rdma_recv(level, fmt, args...) \
056f27d3 Long Li 2017-10-01 155 log_rdma(level, LOG_RDMA_RECV, fmt, ##args)
056f27d3 Long Li 2017-10-01 156 #define log_keep_alive(level, fmt, args...) \
056f27d3 Long Li 2017-10-01 157 log_rdma(level, LOG_KEEP_ALIVE, fmt, ##args)
056f27d3 Long Li 2017-10-01 158 #define log_rdma_event(level, fmt, args...) \
056f27d3 Long Li 2017-10-01 159 log_rdma(level, LOG_RDMA_EVENT, fmt, ##args)
056f27d3 Long Li 2017-10-01 160 #define log_rdma_mr(level, fmt, args...) \
056f27d3 Long Li 2017-10-01 161 log_rdma(level, LOG_RDMA_MR, fmt, ##args)
056f27d3 Long Li 2017-10-01 162

:::::: The code at line 143 was first introduced by commit
:::::: 056f27d3b5a46aa10b0e23437c46d1c5a9fab431 CIFS: SMBD: Establish SMBDirect connection

:::::: TO: Long Li <longli@microsoft.com>
:::::: CC: 0day robot <fengguang.wu@intel.com>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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