[PATCH 43/45] staging/lustre/libcfs: Replace use of printk with pr_

green
2016-02-16T05:49:51Z

This pacifies checkpatch amongst other things, also is shorter to write
and avoiding calls to printk_ratelimit() is also good.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
---
.../lustre/lustre/libcfs/linux/linux-tracefile.c | 10 ++--
drivers/staging/lustre/lustre/libcfs/tracefile.c | 53 +++++++++-------------
2 files changed, 27 insertions(+), 36 deletions(-)

diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c
index 809ea50..5aba132 100644
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c
@@ -89,7 +89,7 @@ int cfs_tracefile_init_arch(void)

out:
cfs_tracefile_fini_arch();
- printk(KERN_ERR "lnet: Not enough memory\n");
+ pr_err("lnet: Not enough memory\n");
return -ENOMEM;
}

@@ -244,11 +244,11 @@ void cfs_print_to_console(struct ptldebug_header *hdr, int mask,
}

if ((mask & D_CONSOLE) != 0) {
- printk("%s%s: %.*s", ptype, prefix, len, buf);
+ pr_err("%s%s: %.*s", ptype, prefix, len, buf);
} else {
- printk("%s%s: %d:%d:(%s:%d:%s()) %.*s", ptype, prefix,
- hdr->ph_pid, hdr->ph_extern_pid, file, hdr->ph_line_num,
- fn, len, buf);
+ pr_warn("%s%s: %d:%d:(%s:%d:%s()) %.*s", ptype, prefix,
+ hdr->ph_pid, hdr->ph_extern_pid, file, hdr->ph_line_num,
+ fn, len, buf);
}
}

diff --git a/drivers/staging/lustre/lustre/libcfs/tracefile.c b/drivers/staging/lustre/lustre/libcfs/tracefile.c
index 53c1dd6..7df8f0a 100644
--- a/drivers/staging/lustre/lustre/libcfs/tracefile.c
+++ b/drivers/staging/lustre/lustre/libcfs/tracefile.c
@@ -194,11 +194,9 @@ cfs_trace_get_tage_try(struct cfs_trace_cpu_data *tcd, unsigned long len)
} else {
tage = cfs_tage_alloc(GFP_ATOMIC);
if (unlikely(!tage)) {
- if ((!memory_pressure_get() ||
- in_interrupt()) && printk_ratelimit())
- printk(KERN_WARNING
- "cannot allocate a tage (%ld)\n",
- tcd->tcd_cur_pages);
+ if ((!memory_pressure_get() || in_interrupt()))
+ pr_warn_ratelimited("cannot allocate a tage (%ld)\n",
+ tcd->tcd_cur_pages);
return NULL;
}
}
@@ -233,9 +231,8 @@ static void cfs_tcd_shrink(struct cfs_trace_cpu_data *tcd)
* from here: this will lead to infinite recursion.
*/

- if (printk_ratelimit())
- printk(KERN_WARNING "debug daemon buffer overflowed; discarding 10%% of pages (%d of %ld)\n",
- pgcount + 1, tcd->tcd_cur_pages);
+ pr_warn_ratelimited("debug daemon buffer overflowed; discarding 10%% of pages (%d of %ld)\n",
+ pgcount + 1, tcd->tcd_cur_pages);

INIT_LIST_HEAD(&pc.pc_pages);

@@ -362,8 +359,7 @@ int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata,

max_nob = PAGE_CACHE_SIZE - tage->used - known_size;
if (max_nob <= 0) {
- printk(KERN_EMERG "negative max_nob: %d\n",
- max_nob);
+ pr_emerg("negative max_nob: %d\n", max_nob);
mask |= D_ERROR;
cfs_trace_put_tcd(tcd);
tcd = NULL;
@@ -393,8 +389,8 @@ int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata,
}

if (*(string_buf + needed - 1) != '\n')
- printk(KERN_INFO "format at %s:%d:%s doesn't end in newline\n",
- file, msgdata->msg_line, msgdata->msg_fn);
+ pr_info("format at %s:%d:%s doesn't end in newline\n",
+ file, msgdata->msg_line, msgdata->msg_fn);

header.ph_len = known_size + needed;
debug_buf = (char *)page_address(tage->page) + tage->used;
@@ -743,8 +739,8 @@ int cfs_tracefile_dump_all_pages(char *filename)
kunmap(tage->page);

if (rc != (int)tage->used) {
- printk(KERN_WARNING "wanted to write %u but wrote %d\n",
- tage->used, rc);
+ pr_warn("wanted to write %u but wrote %d\n",
+ tage->used, rc);
put_pages_back(&pc);
__LASSERT(list_empty(&pc.pc_pages));
break;
@@ -895,10 +891,8 @@ int cfs_trace_daemon_command(char *str)
} else {
strcpy(cfs_tracefile, str);

- printk(KERN_INFO
- "Lustre: debug daemon will attempt to start writing to %s (%lukB max)\n",
- cfs_tracefile,
- (long)(cfs_tracefile_size >> 10));
+ pr_info("Lustre: debug daemon will attempt to start writing to %s (%lukB max)\n",
+ cfs_tracefile, (long)(cfs_tracefile_size >> 10));

cfs_trace_start_thread();
}
@@ -934,16 +928,14 @@ int cfs_trace_set_debug_mb(int mb)
struct cfs_trace_cpu_data *tcd;

if (mb < num_possible_cpus()) {
- printk(KERN_WARNING
- "Lustre: %d MB is too small for debug buffer size, setting it to %d MB.\n",
- mb, num_possible_cpus());
+ pr_warn("Lustre: %d MB is too small for debug buffer size, setting it to %d MB.\n",
+ mb, num_possible_cpus());
mb = num_possible_cpus();
}

if (mb > limit) {
- printk(KERN_WARNING
- "Lustre: %d MB is too large for debug buffer size, setting it to %d MB.\n",
- mb, limit);
+ pr_warn("Lustre: %d MB is too large for debug buffer size, setting it to %d MB.\n",
+ mb, limit);
mb = limit;
}

@@ -1012,8 +1004,8 @@ static int tracefiled(void *arg)
if (IS_ERR(filp)) {
rc = PTR_ERR(filp);
filp = NULL;
- printk(KERN_WARNING "couldn't open %s: %d\n",
- cfs_tracefile, rc);
+ pr_warn("couldn't open %s: %d\n",
+ cfs_tracefile, rc);
}
}
cfs_tracefile_read_unlock();
@@ -1041,8 +1033,8 @@ static int tracefiled(void *arg)
kunmap(tage->page);

if (rc != (int)tage->used) {
- printk(KERN_WARNING "wanted to write %u but wrote %d\n",
- tage->used, rc);
+ pr_warn("wanted to write %u but wrote %d\n",
+ tage->used, rc);
put_pages_back(&pc);
__LASSERT(list_empty(&pc.pc_pages));
break;
@@ -1055,7 +1047,7 @@ static int tracefiled(void *arg)
if (!list_empty(&pc.pc_pages)) {
int i;

- printk(KERN_ALERT "Lustre: trace pages aren't empty\n");
+ pr_alert("Lustre: trace pages aren't empty\n");
pr_err("total cpus(%d): ", num_possible_cpus());
for (i = 0; i < num_possible_cpus(); i++)
if (cpu_online(i))
@@ -1123,8 +1115,7 @@ void cfs_trace_stop_thread(void)

mutex_lock(&cfs_trace_thread_mutex);
if (thread_running) {
- printk(KERN_INFO
- "Lustre: shutting down debug daemon thread...\n");
+ pr_info("Lustre: shutting down debug daemon thread...\n");
atomic_set(&tctl->tctl_shutdown, 1);
wait_for_completion(&tctl->tctl_stop);
thread_running = 0;
--
2.1.0