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* [f2fs-dev] [PATCH] f2fs: convert to use sysfs_emit
@ 2023-03-31 11:33 ` Yangtao Li
  0 siblings, 0 replies; 8+ messages in thread
From: Yangtao Li via Linux-f2fs-devel @ 2023-03-31 11:33 UTC (permalink / raw)
  To: Jaegeuk Kim, Chao Yu; +Cc: linux-f2fs-devel, linux-kernel, Yangtao Li

Let's use sysfs_emit.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
 fs/f2fs/sysfs.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 9ddc6ee19433..2c0b2cb05a3a 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -312,19 +312,13 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
 
 	if (!strcmp(a->attr.name, "ckpt_thread_ioprio")) {
 		struct ckpt_req_control *cprc = &sbi->cprc_info;
-		int len = 0;
 		int class = IOPRIO_PRIO_CLASS(cprc->ckpt_thread_ioprio);
 		int data = IOPRIO_PRIO_DATA(cprc->ckpt_thread_ioprio);
 
-		if (class == IOPRIO_CLASS_RT)
-			len += scnprintf(buf + len, PAGE_SIZE - len, "rt,");
-		else if (class == IOPRIO_CLASS_BE)
-			len += scnprintf(buf + len, PAGE_SIZE - len, "be,");
-		else
+		if (class != IOPRIO_CLASS_RT && class != IOPRIO_CLASS_BE)
 			return -EINVAL;
 
-		len += scnprintf(buf + len, PAGE_SIZE - len, "%d\n", data);
-		return len;
+		return sysfs_emit(buf, "%s,%d\n", class == IOPRIO_CLASS_RT ? "rt" : "be", data);
 	}
 
 #ifdef CONFIG_F2FS_FS_COMPRESSION
-- 
2.35.1



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^ permalink raw reply related	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2023-04-07  1:21 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-03-31 11:33 [f2fs-dev] [PATCH] f2fs: convert to use sysfs_emit Yangtao Li via Linux-f2fs-devel
2023-03-31 11:33 ` Yangtao Li
2023-04-05  2:44 ` [f2fs-dev] " Chao Yu
2023-04-05  2:44   ` Chao Yu
2023-04-05 15:57   ` [f2fs-dev] " Jaegeuk Kim
2023-04-05 15:57     ` Jaegeuk Kim
2023-04-07  1:20     ` [f2fs-dev] " Chao Yu
2023-04-07  1:20       ` Chao Yu

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