lkml.org 
[lkml]   [2023]   [Sep]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] bcachefs: Use snprintf() instead of scnprintf() when appropriate
On Sat, Sep 16, 2023 at 09:30:19AM +0200, Christophe JAILLET wrote:
> snprintf() and scnprintf() are the same, except for the returned value.
> When this value is not used, it is more logical to use snprintf() which is
> slightly simpler.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---

Seems reasonable:

Reviewed-by: Brian Foster <bfoster@redhat.com>

> fs/bcachefs/super.c | 2 +-
> fs/bcachefs/tests.c | 2 +-
> fs/bcachefs/trace.h | 2 +-
> 3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
> index 2990eed85adf..773ea93e44c1 100644
> --- a/fs/bcachefs/super.c
> +++ b/fs/bcachefs/super.c
> @@ -1180,7 +1180,7 @@ static void bch2_dev_attach(struct bch_fs *c, struct bch_dev *ca,
> {
> ca->dev_idx = dev_idx;
> __set_bit(ca->dev_idx, ca->self.d);
> - scnprintf(ca->name, sizeof(ca->name), "dev-%u", dev_idx);
> + snprintf(ca->name, sizeof(ca->name), "dev-%u", dev_idx);
>
> ca->fs = c;
> rcu_assign_pointer(c->devs[ca->dev_idx], ca);
> diff --git a/fs/bcachefs/tests.c b/fs/bcachefs/tests.c
> index c907b3e00176..72f9bf186f9c 100644
> --- a/fs/bcachefs/tests.c
> +++ b/fs/bcachefs/tests.c
> @@ -926,7 +926,7 @@ int bch2_btree_perf_test(struct bch_fs *c, const char *testname,
>
> time = j.finish - j.start;
>
> - scnprintf(name_buf, sizeof(name_buf), "%s:", testname);
> + snprintf(name_buf, sizeof(name_buf), "%s:", testname);
> prt_human_readable_u64(&nr_buf, nr);
> prt_human_readable_u64(&per_sec_buf, div64_u64(nr * NSEC_PER_SEC, time));
> printk(KERN_INFO "%-12s %s with %u threads in %5llu sec, %5llu nsec per iter, %5s per sec\n",
> diff --git a/fs/bcachefs/trace.h b/fs/bcachefs/trace.h
> index 19264492151b..da303dd4b71c 100644
> --- a/fs/bcachefs/trace.h
> +++ b/fs/bcachefs/trace.h
> @@ -450,7 +450,7 @@ TRACE_EVENT(btree_path_relock_fail,
> c = six_lock_counts(&path->l[level].b->c.lock);
> __entry->read_count = c.n[SIX_LOCK_read];
> __entry->intent_count = c.n[SIX_LOCK_intent];
> - scnprintf(__entry->node, sizeof(__entry->node), "%px", b);
> + snprintf(__entry->node, sizeof(__entry->node), "%px", b);
> }
> __entry->iter_lock_seq = path->l[level].lock_seq;
> __entry->node_lock_seq = is_btree_node(path, level)
> --
> 2.34.1
>

\
 
 \ /
  Last update: 2023-09-19 15:19    [W:0.059 / U:0.404 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site