jffs2: print symbolic error name instead of error code

Message ID 20240211003907.167891-1-christian@heusel.eu
State New
Headers
Series jffs2: print symbolic error name instead of error code |

Commit Message

Christian Heusel Feb. 11, 2024, 12:39 a.m. UTC
  Utilize the %pe print specifier to get the symbolic error name as a
string (i.e "-ENOMEM") in the log message instead of the error code to
increase its readablility.

This change was suggested in
https://lore.kernel.org/all/92972476-0b1f-4d0a-9951-af3fc8bc6e65@suswa.mountain/

Signed-off-by: Christian Heusel <christian@heusel.eu>
---
 fs/jffs2/background.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--
2.43.1
  

Comments

Zhihao Cheng Feb. 18, 2024, 1:13 a.m. UTC | #1
在 2024/2/11 8:39, Christian Heusel 写道:
> Utilize the %pe print specifier to get the symbolic error name as a
> string (i.e "-ENOMEM") in the log message instead of the error code to
> increase its readablility.
> 
> This change was suggested in
> https://lore.kernel.org/all/92972476-0b1f-4d0a-9951-af3fc8bc6e65@suswa.mountain/
> 
> Signed-off-by: Christian Heusel <christian@heusel.eu>
> ---
>   fs/jffs2/background.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
> 
> diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c
> index 6da92ecaf66d..bb0ee1a59e71 100644
> --- a/fs/jffs2/background.c
> +++ b/fs/jffs2/background.c
> @@ -44,8 +44,8 @@ int jffs2_start_garbage_collect_thread(struct jffs2_sb_info *c)
> 
>   	tsk = kthread_run(jffs2_garbage_collect_thread, c, "jffs2_gcd_mtd%d", c->mtd->index);
>   	if (IS_ERR(tsk)) {
> -		pr_warn("fork failed for JFFS2 garbage collect thread: %ld\n",
> -			-PTR_ERR(tsk));
> +		pr_warn("fork failed for JFFS2 garbage collect thread: %pe\n",
> +			tsk);
>   		complete(&c->gc_thread_exit);
>   		ret = PTR_ERR(tsk);
>   	} else {
> --
> 2.43.1
> 
> 
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/
> .
>
  

Patch

diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c
index 6da92ecaf66d..bb0ee1a59e71 100644
--- a/fs/jffs2/background.c
+++ b/fs/jffs2/background.c
@@ -44,8 +44,8 @@  int jffs2_start_garbage_collect_thread(struct jffs2_sb_info *c)

 	tsk = kthread_run(jffs2_garbage_collect_thread, c, "jffs2_gcd_mtd%d", c->mtd->index);
 	if (IS_ERR(tsk)) {
-		pr_warn("fork failed for JFFS2 garbage collect thread: %ld\n",
-			-PTR_ERR(tsk));
+		pr_warn("fork failed for JFFS2 garbage collect thread: %pe\n",
+			tsk);
 		complete(&c->gc_thread_exit);
 		ret = PTR_ERR(tsk);
 	} else {