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authorArnaldo Carvalho de Melo <acme@redhat.com>2009-02-03 08:58:29 -0500
committerIngo Molnar <mingo@elte.hu>2009-02-03 10:21:34 -0500
commit939b366977d29b5c0d53d1ea3b0b8cefb1e76202 (patch)
tree0fe79dcefcea4a899d8c5df355f2281670fa4398 /block/blktrace.c
parent08a06b83ff8b2779289f733348c669f31cb65d51 (diff)
blktrace: fix coding style in recent patches
Impact: cleanup Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'block/blktrace.c')
-rw-r--r--block/blktrace.c51
1 files changed, 30 insertions, 21 deletions
diff --git a/block/blktrace.c b/block/blktrace.c
index 4f45b343690a..8f5c37b0f80f 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -24,7 +24,7 @@
24#include <linux/debugfs.h> 24#include <linux/debugfs.h>
25#include <linux/time.h> 25#include <linux/time.h>
26#include <trace/block.h> 26#include <trace/block.h>
27#include <asm/uaccess.h> 27#include <linux/uaccess.h>
28#include <../kernel/trace/trace_output.h> 28#include <../kernel/trace/trace_output.h>
29 29
30static unsigned int blktrace_seq __read_mostly = 1; 30static unsigned int blktrace_seq __read_mostly = 1;
@@ -148,11 +148,12 @@ static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector,
148/* 148/*
149 * Data direction bit lookup 149 * Data direction bit lookup
150 */ 150 */
151static u32 ddir_act[2] __read_mostly = { BLK_TC_ACT(BLK_TC_READ), BLK_TC_ACT(BLK_TC_WRITE) }; 151static u32 ddir_act[2] __read_mostly = { BLK_TC_ACT(BLK_TC_READ),
152 BLK_TC_ACT(BLK_TC_WRITE) };
152 153
153/* The ilog2() calls fall out because they're constant */ 154/* The ilog2() calls fall out because they're constant */
154#define MASK_TC_BIT(rw, __name) ( (rw & (1 << BIO_RW_ ## __name)) << \ 155#define MASK_TC_BIT(rw, __name) ((rw & (1 << BIO_RW_ ## __name)) << \
155 (ilog2(BLK_TC_ ## __name) + BLK_TC_SHIFT - BIO_RW_ ## __name) ) 156 (ilog2(BLK_TC_ ## __name) + BLK_TC_SHIFT - BIO_RW_ ## __name))
156 157
157/* 158/*
158 * The worker for the various blk_add_trace*() types. Fills out a 159 * The worker for the various blk_add_trace*() types. Fills out a
@@ -221,13 +222,13 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
221 t->time = ktime_to_ns(ktime_get()); 222 t->time = ktime_to_ns(ktime_get());
222record_it: 223record_it:
223 /* 224 /*
224 * These two are not needed in ftrace as they are in the 225 * These two are not needed in ftrace as they are in the
225 * generic trace_entry, filled by tracing_generic_entry_update, 226 * generic trace_entry, filled by tracing_generic_entry_update,
226 * but for the trace_event->bin() synthesizer benefit we do it 227 * but for the trace_event->bin() synthesizer benefit we do it
227 * here too. 228 * here too.
228 */ 229 */
229 t->cpu = cpu; 230 t->cpu = cpu;
230 t->pid = pid; 231 t->pid = pid;
231 232
232 t->sector = sector; 233 t->sector = sector;
233 t->bytes = bytes; 234 t->bytes = bytes;
@@ -453,7 +454,8 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
453 atomic_set(&bt->dropped, 0); 454 atomic_set(&bt->dropped, 0);
454 455
455 ret = -EIO; 456 ret = -EIO;
456 bt->dropped_file = debugfs_create_file("dropped", 0444, dir, bt, &blk_dropped_fops); 457 bt->dropped_file = debugfs_create_file("dropped", 0444, dir, bt,
458 &blk_dropped_fops);
457 if (!bt->dropped_file) 459 if (!bt->dropped_file)
458 goto err; 460 goto err;
459 461
@@ -535,10 +537,10 @@ EXPORT_SYMBOL_GPL(blk_trace_setup);
535 537
536int blk_trace_startstop(struct request_queue *q, int start) 538int blk_trace_startstop(struct request_queue *q, int start)
537{ 539{
538 struct blk_trace *bt;
539 int ret; 540 int ret;
541 struct blk_trace *bt = q->blk_trace;
540 542
541 if ((bt = q->blk_trace) == NULL) 543 if (bt == NULL)
542 return -EINVAL; 544 return -EINVAL;
543 545
544 /* 546 /*
@@ -674,12 +676,14 @@ static void blk_add_trace_rq_issue(struct request_queue *q, struct request *rq)
674 blk_add_trace_rq(q, rq, BLK_TA_ISSUE); 676 blk_add_trace_rq(q, rq, BLK_TA_ISSUE);
675} 677}
676 678
677static void blk_add_trace_rq_requeue(struct request_queue *q, struct request *rq) 679static void blk_add_trace_rq_requeue(struct request_queue *q,
680 struct request *rq)
678{ 681{
679 blk_add_trace_rq(q, rq, BLK_TA_REQUEUE); 682 blk_add_trace_rq(q, rq, BLK_TA_REQUEUE);
680} 683}
681 684
682static void blk_add_trace_rq_complete(struct request_queue *q, struct request *rq) 685static void blk_add_trace_rq_complete(struct request_queue *q,
686 struct request *rq)
683{ 687{
684 blk_add_trace_rq(q, rq, BLK_TA_COMPLETE); 688 blk_add_trace_rq(q, rq, BLK_TA_COMPLETE);
685} 689}
@@ -716,12 +720,14 @@ static void blk_add_trace_bio_complete(struct request_queue *q, struct bio *bio)
716 blk_add_trace_bio(q, bio, BLK_TA_COMPLETE); 720 blk_add_trace_bio(q, bio, BLK_TA_COMPLETE);
717} 721}
718 722
719static void blk_add_trace_bio_backmerge(struct request_queue *q, struct bio *bio) 723static void blk_add_trace_bio_backmerge(struct request_queue *q,
724 struct bio *bio)
720{ 725{
721 blk_add_trace_bio(q, bio, BLK_TA_BACKMERGE); 726 blk_add_trace_bio(q, bio, BLK_TA_BACKMERGE);
722} 727}
723 728
724static void blk_add_trace_bio_frontmerge(struct request_queue *q, struct bio *bio) 729static void blk_add_trace_bio_frontmerge(struct request_queue *q,
730 struct bio *bio)
725{ 731{
726 blk_add_trace_bio(q, bio, BLK_TA_FRONTMERGE); 732 blk_add_trace_bio(q, bio, BLK_TA_FRONTMERGE);
727} 733}
@@ -731,7 +737,8 @@ static void blk_add_trace_bio_queue(struct request_queue *q, struct bio *bio)
731 blk_add_trace_bio(q, bio, BLK_TA_QUEUE); 737 blk_add_trace_bio(q, bio, BLK_TA_QUEUE);
732} 738}
733 739
734static void blk_add_trace_getrq(struct request_queue *q, struct bio *bio, int rw) 740static void blk_add_trace_getrq(struct request_queue *q,
741 struct bio *bio, int rw)
735{ 742{
736 if (bio) 743 if (bio)
737 blk_add_trace_bio(q, bio, BLK_TA_GETRQ); 744 blk_add_trace_bio(q, bio, BLK_TA_GETRQ);
@@ -744,7 +751,8 @@ static void blk_add_trace_getrq(struct request_queue *q, struct bio *bio, int rw
744} 751}
745 752
746 753
747static void blk_add_trace_sleeprq(struct request_queue *q, struct bio *bio, int rw) 754static void blk_add_trace_sleeprq(struct request_queue *q,
755 struct bio *bio, int rw)
748{ 756{
749 if (bio) 757 if (bio)
750 blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ); 758 blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ);
@@ -752,7 +760,8 @@ static void blk_add_trace_sleeprq(struct request_queue *q, struct bio *bio, int
752 struct blk_trace *bt = q->blk_trace; 760 struct blk_trace *bt = q->blk_trace;
753 761
754 if (bt) 762 if (bt)
755 __blk_add_trace(bt, 0, 0, rw, BLK_TA_SLEEPRQ, 0, 0, NULL); 763 __blk_add_trace(bt, 0, 0, rw, BLK_TA_SLEEPRQ,
764 0, 0, NULL);
756 } 765 }
757} 766}
758 767