projects/linux·commit fd6f32f7

libata: whitelist all SAMSUNG MZ7KM* solid-state disks

fd6f32f7 · Juha-Matti Tilli <[email protected]> · 2018-12-02 12:47:08 +02:00

These devices support read zero after trim (RZAT), as they advertise to
the OS. However, the OS doesn't believe the SSDs unless they are
explicitly whitelisted.

Acked-by: Martin K. Petersen <[email protected]>
Signed-off-by: Juha-Matti Tilli <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Commit
fd6f32f78645db32b6b95a42e45da2ddd6de0e67
Parents
1c9b357c

Changes

1 files changed · +1 −0

FileStatusAddDelContent
drivers/ata/libata-core.cmodified+1−0View file

drivers/ata/libata-core.c

View file
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index a7f5202..b8c3f9e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4602,6 +4602,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "SSD*INTEL*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "SAMSUNG*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "SAMSUNG*MZ7KM*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "ST[1248][0248]0[FH]*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
/*