From: Christoph Hellwig <hch@lst.de>
Date: Tue, 14 Apr 2026 08:17:50 +0000 (+0200)
Subject: zloop: factor out zloop_mark_{full,empty} helpers
X-Git-Tag: v7.1-rc1~10^2~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec5c045f6cc879637cb52c9902d5fb7d419bdf47;p=thirdparty%2Fkernel%2Flinux.git

zloop: factor out zloop_mark_{full,empty} helpers

Move a few chunks of duplicated code into helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://patch.msgid.link/20260414081811.549755-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/block/zloop.c b/drivers/block/zloop.c
index 7257188dd3a8..3f69206d674a 100644
--- a/drivers/block/zloop.c
+++ b/drivers/block/zloop.c
@@ -288,6 +288,24 @@ static bool zloop_do_open_zone(struct zloop_device *zlo,
 	}
 }
 
+static void zloop_mark_full(struct zloop_device *zlo, struct zloop_zone *zone)
+{
+	lockdep_assert_held(&zone->wp_lock);
+
+	zloop_lru_remove_open_zone(zlo, zone);
+	zone->cond = BLK_ZONE_COND_FULL;
+	zone->wp = ULLONG_MAX;
+}
+
+static void zloop_mark_empty(struct zloop_device *zlo, struct zloop_zone *zone)
+{
+	lockdep_assert_held(&zone->wp_lock);
+
+	zloop_lru_remove_open_zone(zlo, zone);
+	zone->cond = BLK_ZONE_COND_EMPTY;
+	zone->wp = zone->start;
+}
+
 static int zloop_update_seq_zone(struct zloop_device *zlo, unsigned int zone_no)
 {
 	struct zloop_zone *zone = &zlo->zones[zone_no];
@@ -321,13 +339,9 @@ static int zloop_update_seq_zone(struct zloop_device *zlo, unsigned int zone_no)
 
 	spin_lock_irqsave(&zone->wp_lock, flags);
 	if (!file_sectors) {
-		zloop_lru_remove_open_zone(zlo, zone);
-		zone->cond = BLK_ZONE_COND_EMPTY;
-		zone->wp = zone->start;
+		zloop_mark_empty(zlo, zone);
 	} else if (file_sectors == zlo->zone_capacity) {
-		zloop_lru_remove_open_zone(zlo, zone);
-		zone->cond = BLK_ZONE_COND_FULL;
-		zone->wp = ULLONG_MAX;
+		zloop_mark_full(zlo, zone);
 	} else {
 		if (zone->cond != BLK_ZONE_COND_IMP_OPEN &&
 		    zone->cond != BLK_ZONE_COND_EXP_OPEN)
@@ -429,9 +443,7 @@ static int zloop_reset_zone(struct zloop_device *zlo, unsigned int zone_no)
 	}
 
 	spin_lock_irqsave(&zone->wp_lock, flags);
-	zloop_lru_remove_open_zone(zlo, zone);
-	zone->cond = BLK_ZONE_COND_EMPTY;
-	zone->wp = zone->start;
+	zloop_mark_empty(zlo, zone);
 	clear_bit(ZLOOP_ZONE_SEQ_ERROR, &zone->flags);
 	spin_unlock_irqrestore(&zone->wp_lock, flags);
 
@@ -477,9 +489,7 @@ static int zloop_finish_zone(struct zloop_device *zlo, unsigned int zone_no)
 	}
 
 	spin_lock_irqsave(&zone->wp_lock, flags);
-	zloop_lru_remove_open_zone(zlo, zone);
-	zone->cond = BLK_ZONE_COND_FULL;
-	zone->wp = ULLONG_MAX;
+	zloop_mark_full(zlo, zone);
 	clear_bit(ZLOOP_ZONE_SEQ_ERROR, &zone->flags);
 	spin_unlock_irqrestore(&zone->wp_lock, flags);
 
@@ -616,11 +626,8 @@ static int zloop_seq_write_prep(struct zloop_cmd *cmd)
 	 */
 	if (!is_append || !zlo->ordered_zone_append) {
 		zone->wp += nr_sectors;
-		if (zone->wp == zone_end) {
-			zloop_lru_remove_open_zone(zlo, zone);
-			zone->cond = BLK_ZONE_COND_FULL;
-			zone->wp = ULLONG_MAX;
-		}
+		if (zone->wp == zone_end)
+			zloop_mark_full(zlo, zone);
 	}
 out_unlock:
 	spin_unlock_irqrestore(&zone->wp_lock, flags);
@@ -873,11 +880,8 @@ static bool zloop_set_zone_append_sector(struct request *rq)
 
 	rq->__sector = zone->wp;
 	zone->wp += blk_rq_sectors(rq);
-	if (zone->wp >= zone_end) {
-		zloop_lru_remove_open_zone(zlo, zone);
-		zone->cond = BLK_ZONE_COND_FULL;
-		zone->wp = ULLONG_MAX;
-	}
+	if (zone->wp >= zone_end)
+		zloop_mark_full(zlo, zone);
 
 	spin_unlock_irqrestore(&zone->wp_lock, flags);