linux-kernel - [PATCH] f2fs: remove gc_urgent_high

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Date:   Sat, 20 Aug 2022 11:06:00 +0800
From:   Chao Yu <chao@...nel.org>
To:     jaegeuk@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Chao Yu <chao.yu@...o.com>
Subject: [PATCH] f2fs: remove gc_urgent_high_limited for cleanup

From: Chao Yu <chao.yu@...o.com>

Remove redundant sbi->gc_urgent_high_limited.

Signed-off-by: Chao Yu <chao.yu@...o.com>
---
 fs/f2fs/f2fs.h  | 1 -
 fs/f2fs/gc.c    | 8 ++++----
 fs/f2fs/sysfs.c | 1 -
 3 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 1e47d5e77ec7..088c3d1574b8 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1731,7 +1731,6 @@ struct f2fs_sb_info {
 	unsigned int gc_mode;			/* current GC state */
 	unsigned int next_victim_seg[2];	/* next segment in victim section */
 	spinlock_t gc_urgent_high_lock;
-	bool gc_urgent_high_limited;		/* indicates having limited trial count */
 	unsigned int gc_urgent_high_remaining;	/* remaining trial count for GC_URGENT_HIGH */
 
 	/* for skip statistic */
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 2a3816c20f84..fd400d148afb 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -97,10 +97,10 @@ static int gc_thread_func(void *data)
 		 */
 		if (sbi->gc_mode == GC_URGENT_HIGH) {
 			spin_lock(&sbi->gc_urgent_high_lock);
-			if (sbi->gc_urgent_high_limited &&
-					!sbi->gc_urgent_high_remaining--) {
-				sbi->gc_urgent_high_limited = false;
-				sbi->gc_mode = GC_NORMAL;
+			if (sbi->gc_urgent_high_remaining) {
+				sbi->gc_urgent_high_remaining--;
+				if (!sbi->gc_urgent_high_remaining)
+					sbi->gc_mode = GC_NORMAL;
 			}
 			spin_unlock(&sbi->gc_urgent_high_lock);
 		}
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index eba5fb1629d7..39ebf0ad133a 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -527,7 +527,6 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
 
 	if (!strcmp(a->attr.name, "gc_urgent_high_remaining")) {
 		spin_lock(&sbi->gc_urgent_high_lock);
-		sbi->gc_urgent_high_limited = t != 0;
 		sbi->gc_urgent_high_remaining = t;
 		spin_unlock(&sbi->gc_urgent_high_lock);
 
-- 
2.25.1