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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-03-24 16:04:37 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-24 13:08:59 +0100 |
| commit | e4955c9986a27bb47ddeb6cd55803053f547e2e9 (patch) | |
| tree | e0dc65874b6d403d4379fd57c73a05ace516067c /kernel/trace/blktrace.c | |
| parent | b125130b22d67f249beba10b71a254558b5279d0 (diff) | |
| download | blackbird-op-linux-e4955c9986a27bb47ddeb6cd55803053f547e2e9.tar.gz blackbird-op-linux-e4955c9986a27bb47ddeb6cd55803053f547e2e9.zip | |
blktrace: mark ddir_act[] const
Impact: cleanup
ddir_act and what2act always stay immutable.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <49C89415.5080503@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/blktrace.c')
| -rw-r--r-- | kernel/trace/blktrace.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 108f4f7715a5..1ffcbd4ac45b 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -147,8 +147,8 @@ static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector, /* * Data direction bit lookup */ -static u32 ddir_act[2] __read_mostly = { BLK_TC_ACT(BLK_TC_READ), - BLK_TC_ACT(BLK_TC_WRITE) }; +static const u32 ddir_act[2] = { BLK_TC_ACT(BLK_TC_READ), + BLK_TC_ACT(BLK_TC_WRITE) }; /* The ilog2() calls fall out because they're constant */ #define MASK_TC_BIT(rw, __name) ((rw & (1 << BIO_RW_ ## __name)) << \ @@ -1116,10 +1116,10 @@ static void blk_tracer_reset(struct trace_array *tr) blk_tracer_stop(tr); } -static struct { +static const struct { const char *act[2]; int (*print)(struct trace_seq *s, const struct trace_entry *ent); -} what2act[] __read_mostly = { +} what2act[] = { [__BLK_TA_QUEUE] = {{ "Q", "queue" }, blk_log_generic }, [__BLK_TA_BACKMERGE] = {{ "M", "backmerge" }, blk_log_generic }, [__BLK_TA_FRONTMERGE] = {{ "F", "frontmerge" }, blk_log_generic }, |
