linux-kernel - [PATCH 24/46] mtd: nandsim: Wire up NANDSIM_MODE

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Message-Id: <20160831072853.27822-25-dwalter@sigma-star.at>
Date:   Wed, 31 Aug 2016 09:28:31 +0200
From:   Daniel Walter <dwalter@...ma-star.at>
To:     linux-mtd@...ts.infradead.org
Cc:     Richard Weinberger <richard@....at>, linux-kernel@...r.kernel.org
Subject: [PATCH 24/46] mtd: nandsim: Wire up NANDSIM_MODE_CACHEFILE ioctl mode

From: Richard Weinberger <richard@....at>

Allow the userspace control tool also to setup a cache file.
In contrast to the cache_file module parameter the ioctl() only
accepts a fd. So, userspace should hand in an fd pointing to
a temp file.

Signed-off-by: Richard Weinberger <richard@....at>
---
 drivers/mtd/nand/nandsim.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index f936157..47d8d41 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -2536,10 +2536,15 @@ static int ns_ctrl_new_instance(struct ns_new_instance_req *req)
 		case NANDSIM_BACKEND_RAM:
 			nsparam->bops = &ns_ram_bops;
 		break;
+
 		case NANDSIM_BACKEND_FILE:
 			nsparam->bops = &ns_file_bops;
 		break;
 
+		case NANDSIM_BACKEND_CACHEFILE:
+			nsparam->bops = &ns_cachefile_bops;
+		break;
+
 		default:
 			kfree(nsparam);
 			return -EINVAL;
-- 
2.8.3