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dlm for 4.8

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This set includes two trivial changes, one to
 use kmemdup and another to control the log level
 of recovery messages.
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Merge tag 'dlm-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:
 "This set includes two trivial changes, one to use kmemdup and another
  to control the log level of recovery messages"

* tag 'dlm-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: Use kmemdup instead of kmalloc and memcpy
  dlm: add log_info config option
This commit is contained in:
Linus Torvalds 2016-07-27 10:47:24 -07:00
commit ba4f67899f
4 changed files with 18 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
fs/dlm/config.c
View File

@ -73,6 +73,7 @@ struct dlm_cluster {
unsigned int cl_toss_secs;
unsigned int cl_scan_secs;
unsigned int cl_log_debug;
unsigned int cl_log_info;
unsigned int cl_protocol;
unsigned int cl_timewarn_cs;
unsigned int cl_waitwarn_us;
@ -95,6 +96,7 @@ enum {
CLUSTER_ATTR_TOSS_SECS,
CLUSTER_ATTR_SCAN_SECS,
CLUSTER_ATTR_LOG_DEBUG,
CLUSTER_ATTR_LOG_INFO,
CLUSTER_ATTR_PROTOCOL,
CLUSTER_ATTR_TIMEWARN_CS,
CLUSTER_ATTR_WAITWARN_US,
@ -166,6 +168,7 @@ CLUSTER_ATTR(recover_timer, 1);
CLUSTER_ATTR(toss_secs, 1);
CLUSTER_ATTR(scan_secs, 1);
CLUSTER_ATTR(log_debug, 0);
CLUSTER_ATTR(log_info, 0);
CLUSTER_ATTR(protocol, 0);
CLUSTER_ATTR(timewarn_cs, 1);
CLUSTER_ATTR(waitwarn_us, 0);
@ -180,6 +183,7 @@ static struct configfs_attribute *cluster_attrs[] = {
[CLUSTER_ATTR_TOSS_SECS] = &cluster_attr_toss_secs,
[CLUSTER_ATTR_SCAN_SECS] = &cluster_attr_scan_secs,
[CLUSTER_ATTR_LOG_DEBUG] = &cluster_attr_log_debug,
[CLUSTER_ATTR_LOG_INFO] = &cluster_attr_log_info,
[CLUSTER_ATTR_PROTOCOL] = &cluster_attr_protocol,
[CLUSTER_ATTR_TIMEWARN_CS] = &cluster_attr_timewarn_cs,
[CLUSTER_ATTR_WAITWARN_US] = &cluster_attr_waitwarn_us,
@ -365,6 +369,7 @@ static struct config_group *make_cluster(struct config_group *g,
cl->cl_toss_secs = dlm_config.ci_toss_secs;
cl->cl_scan_secs = dlm_config.ci_scan_secs;
cl->cl_log_debug = dlm_config.ci_log_debug;
cl->cl_log_info = dlm_config.ci_log_info;
cl->cl_protocol = dlm_config.ci_protocol;
cl->cl_timewarn_cs = dlm_config.ci_timewarn_cs;
cl->cl_waitwarn_us = dlm_config.ci_waitwarn_us;
@ -850,6 +855,7 @@ int dlm_our_addr(struct sockaddr_storage *addr, int num)
#define DEFAULT_TOSS_SECS 10
#define DEFAULT_SCAN_SECS 5
#define DEFAULT_LOG_DEBUG 0
#define DEFAULT_LOG_INFO 1
#define DEFAULT_PROTOCOL 0
#define DEFAULT_TIMEWARN_CS 500 /* 5 sec = 500 centiseconds */
#define DEFAULT_WAITWARN_US 0
@ -865,6 +871,7 @@ struct dlm_config_info dlm_config = {
.ci_toss_secs = DEFAULT_TOSS_SECS,
.ci_scan_secs = DEFAULT_SCAN_SECS,
.ci_log_debug = DEFAULT_LOG_DEBUG,
.ci_log_info = DEFAULT_LOG_INFO,
.ci_protocol = DEFAULT_PROTOCOL,
.ci_timewarn_cs = DEFAULT_TIMEWARN_CS,
.ci_waitwarn_us = DEFAULT_WAITWARN_US,

1
fs/dlm/config.h
View File

@ -31,6 +31,7 @@ struct dlm_config_info {
int ci_toss_secs;
int ci_scan_secs;
int ci_log_debug;
int ci_log_info;
int ci_protocol;
int ci_timewarn_cs;
int ci_waitwarn_us;

10
fs/dlm/dlm_internal.h
View File

@ -65,8 +65,16 @@ struct dlm_mhandle;
printk(KERN_ERR "dlm: "fmt"\n" , ##args)
#define log_error(ls, fmt, args...) \
printk(KERN_ERR "dlm: %s: " fmt "\n", (ls)->ls_name , ##args)
#define log_rinfo(ls, fmt, args...) \
printk(KERN_INFO "dlm: %s: " fmt "\n", (ls)->ls_name , ##args);
do { \
if (dlm_config.ci_log_info) \
printk(KERN_INFO "dlm: %s: " fmt "\n", \
(ls)->ls_name, ##args); \
else if (dlm_config.ci_log_debug) \
printk(KERN_DEBUG "dlm: %s: " fmt "\n", \
(ls)->ls_name , ##args); \
} while (0)
#define log_debug(ls, fmt, args...) \
do { \

3
fs/dlm/lowcomms.c
View File

@ -1279,10 +1279,9 @@ static void init_local(void)
if (dlm_our_addr(&sas, i))
break;
addr = kmalloc(sizeof(*addr), GFP_NOFS);
addr = kmemdup(&sas, sizeof(*addr), GFP_NOFS);
if (!addr)
break;
memcpy(addr, &sas, sizeof(*addr));
dlm_local_addr[dlm_local_count++] = addr;
}
}