Re: [PATCH stable 2/2] libata: Blacklist queued TRIM on Samsung SSD 850 Pro

[Jiri Slaby <jslaby@suse.cz>]

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On 05/22/2015, 12:54 AM, Ben Hutchings wrote:
> From: "Martin K. Petersen" <martin.petersen@oracle.com> Date: Fri,
> 27 Mar 2015 15:17:21 -0400
> 
> commit 6fc4d97a4987c5d247655a157a9377996626221a upstream.
> 
> Blacklist queued TRIM on this drive for now.
> 
> Reported-by: Stefan Keller <linux-list@zahlenfresser.de> 
> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
> Signed-off-by: Tejun Heo <tj@kernel.org> [bwh: Backported to 3.16:
> adjust context and drop ZERO_AFTER_TRIM flag] Signed-off-by; Ben
> Hutchings <ben@decadent.org.uk> --- This appears to be needed for
> 3.13-3.18 stable branches.
> 
> Ben.
> 
> drivers/ata/libata-core.c | 2 ++ 1 file changed, 2 insertions(+)
> 
> --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@
> -4229,6 +4229,7 @@ static const struct ata_blacklist_entry {
> "Micron_M5[15]0*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM, }, {
> "Crucial_CT*M550*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM, }, {
> "Crucial_CT*MX100*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM, }, +	{
> "Samsung SSD 850 PRO*",	NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },

To 3.12, I added also:
commit 9a9324d3969678d44b330e1230ad2c8ae67acf81
Author: Martin K. Petersen <martin.petersen@oracle.com>
Date:   Mon May 4 12:20:29 2015 -0400

    libata: Blacklist queued TRIM on all Samsung 800-series

which turns the above into "Samsung SSD 8*".

thanks,
- -- 
js
suse labs
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