[PATCH] libata: disable queued TRIM for Crucial M500 mSATA SSDs

[PATCH] libata: disable queued TRIM for Crucial M500 mSATA SSDs

[Marios Andreopoulos]

From: Marios Andreopoulos <opensource@andmarios.com>

Queued TRIM commands cause problems and silent file system corruption
on Crucial M500 SSDs. This patch disables them for the mSATA model of
the drive.

Signed-off-by: Marios Andreopoulos <opensource@andmarios.com>
---
More information can be found on this bug report:
https://bugzilla.kernel.org/show_bug.cgi?id=71371

 drivers/ata/libata-core.c |    1 +
 1 file changed, 1 insertion(+)

diff -pruN a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
--- a/drivers/ata/libata-core.c	2014-03-02 02:04:02.000000000 +0200
+++ b/drivers/ata/libata-core.c	2014-03-03 17:49:14.867332615 +0200
@@ -4225,6 +4225,7 @@ static const struct ata_blacklist_entry
 	/* devices that don't properly handle queued TRIM commands */
 	{ "Micron_M500*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
 	{ "Crucial_CT???M500SSD1",	NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
+	{ "Crucial_CT???M500SSD3",	NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
 
 	/*
 	 * Some WD SATA-I drives spin up and down erratically when the link

Re: [PATCH] libata: disable queued TRIM for Crucial M500 mSATA SSDs

[Tejun Heo]

On Mon, Mar 03, 2014 at 06:19:59PM +0200, Marios Andreopoulos wrote:
> From: Marios Andreopoulos <opensource@andmarios.com>
> 
> Queued TRIM commands cause problems and silent file system corruption
> on Crucial M500 SSDs. This patch disables them for the mSATA model of
> the drive.
> 
> Signed-off-by: Marios Andreopoulos <opensource@andmarios.com>

Applied to libata/for-3.14-fixes w/ stable cc'd.

Thanks.

-- 
tejun