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Message-Id: <20230719103354.2829366-1-colin.i.king@gmail.com>
Date: Wed, 19 Jul 2023 11:33:54 +0100
From: Colin Ian King <colin.i.king@...il.com>
To: Miquel Raynal <miquel.raynal@...tlin.com>,
Richard Weinberger <richard@....at>,
Vignesh Raghavendra <vigneshr@...com>,
linux-mtd@...ts.infradead.org
Cc: kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH][next] mtdblock: make warning messages ratelimited
When exercising various dev interfaces with stress-ng the mtdblock drivers
can be (ab)used to generate a lot of warning messages. Make these rate
limited to reduce the kernel log from being spammed with the same messages.
Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
drivers/mtd/mtdblock.c | 2 +-
drivers/mtd/mtdblock_ro.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index fa476fb4dffb..9751416c2a91 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -262,7 +262,7 @@ static int mtdblock_open(struct mtd_blktrans_dev *mbd)
}
if (mtd_type_is_nand(mbd->mtd))
- pr_warn("%s: MTD device '%s' is NAND, please consider using UBI block devices instead.\n",
+ pr_warn_ratelimited("%s: MTD device '%s' is NAND, please consider using UBI block devices instead.\n",
mbd->tr->name, mbd->mtd->name);
/* OK, it's not open. Create cache info for it */
diff --git a/drivers/mtd/mtdblock_ro.c b/drivers/mtd/mtdblock_ro.c
index 66ffc9f1ead2..ef6299af60e4 100644
--- a/drivers/mtd/mtdblock_ro.c
+++ b/drivers/mtd/mtdblock_ro.c
@@ -49,7 +49,7 @@ static void mtdblock_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
dev->readonly = 1;
if (mtd_type_is_nand(mtd))
- pr_warn("%s: MTD device '%s' is NAND, please consider using UBI block devices instead.\n",
+ pr_warn_ratelimited("%s: MTD device '%s' is NAND, please consider using UBI block devices instead.\n",
tr->name, mtd->name);
if (add_mtd_blktrans_dev(dev))
--
2.39.2
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