Messages in this thread | | | Date | Tue, 24 Mar 2009 09:49:04 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 1/5] blktrace: mark ddir_act and what2act const |
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Em Tue, Mar 24, 2009 at 04:04:37PM +0800, Li Zefan escreveu: > ddir_act and what2act are always stay immutable. > > Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> > --- > 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 108f4f7..1ffcbd4 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 },
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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