From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Minchan Kim <minchan@kernel.org>, Nitin Gupta <ngupta@vflare.org>,
"Sergey Senozhatsky" <senozhatsky@chromium.org>,
Jens Axboe <axboe@kernel.dk>, <linux-kernel@vger.kernel.org>
Cc: <linux-block@vger.kernel.org>, Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH] zram: fix unused 'zram_wb_devops' warning
Date: Wed, 8 Jun 2022 15:25:34 +0800 [thread overview]
Message-ID: <20220608072534.68850-1-wangkefeng.wang@huawei.com> (raw)
drivers/block/zram/zram_drv.c:55:45: warning: 'zram_wb_devops' defined but not used [-Wunused-const-variable=]
Fix the above warning if CONFIG_ZRAM_WRITEBACK not enabled.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
drivers/block/zram/zram_drv.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 39cd1397ed3b..fff5eb4d3f20 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -52,7 +52,9 @@ static unsigned int num_devices = 1;
static size_t huge_class_size;
static const struct block_device_operations zram_devops;
+#ifdef CONFIG_ZRAM_WRITEBACK
static const struct block_device_operations zram_wb_devops;
+#endif
static void zram_free_page(struct zram *zram, size_t index);
static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec,
--
2.35.3
next reply other threads:[~2022-06-08 7:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-08 7:25 Kefeng Wang [this message]
2022-07-12 14:17 ` Kefeng Wang
2022-07-12 14:33 ` Sergey Senozhatsky
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