linux-kernel - [PATCH v2 24/46] mtd: nandsim: Wire up NANDSIM_MODE

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Message-Id: <37e36b3fc2c97ae93d729c07a260dfb020facce2.1474450296.git.dwalter@sigma-star.at>
Date:   Wed, 21 Sep 2016 11:51:57 +0200
From:   Daniel Walter <dwalter@...ma-star.at>
To:     linux-mtd@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, computersforpeace@...il.com,
        dwmw2@...radead.org, boris.brezillon@...e-electrons.com,
        Richard Weinberger <richard@....at>
Subject: [PATCH v2 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 56a2904..0e8574e 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