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https://github.com/vincentmli/bpfire.git
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c9ab30c5d3
disable trim on SuperSSpeed S238 update queued trim blacklist from kernel 4.2rc1 (add Samsung SSD 8xx and some Crucial and Micron SSD)
48 lines
1.9 KiB
Diff
48 lines
1.9 KiB
Diff
diff -Naur linux-3.14.43.org/drivers/ata/libata-core.c linux-3.14.43/drivers/ata/libata-core.c
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--- linux-3.14.43.org/drivers/ata/libata-core.c 2015-05-17 18:54:01.000000000 +0200
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+++ linux-3.14.43/drivers/ata/libata-core.c 2015-07-11 19:15:01.450041507 +0200
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@@ -4229,6 +4229,9 @@
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{ "Micron_M550*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
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{ "Crucial_CT*M550SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
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+ /* devices that don't properly handle TRIM commands */
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+ { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, },
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+
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/*
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* Some WD SATA-I drives spin up and down erratically when the link
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* is put into the slumber mode. We don't have full list of the
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diff -Naur linux-3.14.43.org/drivers/ata/libata-scsi.c linux-3.14.43/drivers/ata/libata-scsi.c
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--- linux-3.14.43.org/drivers/ata/libata-scsi.c 2015-05-17 18:54:01.000000000 +0200
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+++ linux-3.14.43/drivers/ata/libata-scsi.c 2015-07-11 20:47:22.570021716 +0200
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@@ -2510,11 +2513,15 @@
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rbuf[14] = (lowest_aligned >> 8) & 0x3f;
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rbuf[15] = lowest_aligned;
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- if (ata_id_has_trim(args->id)) {
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- rbuf[14] |= 0x80; /* TPE */
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- if (ata_id_has_zero_after_trim(args->id))
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- rbuf[14] |= 0x40; /* TPRZ */
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+
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+ if (!(dev->horkage & ATA_HORKAGE_NOTRIM)) {
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+ if (ata_id_has_trim(args->id)) {
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+ rbuf[14] |= 0x80; /* TPE */
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+
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+ if (ata_id_has_zero_after_trim(args->id))
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+ rbuf[14] |= 0x40; /* TPRZ */
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+ }
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}
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}
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diff -Naur linux-3.14.43.org/include/linux/libata.h linux-3.14.43/include/linux/libata.h
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--- linux-3.14.43.org/include/linux/libata.h 2015-05-17 18:54:01.000000000 +0200
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+++ linux-3.14.43/include/linux/libata.h 2015-07-11 19:13:03.190682173 +0200
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@@ -421,6 +421,7 @@
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ATA_HORKAGE_NO_NCQ_TRIM = (1 << 19), /* don't use queued TRIM */
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ATA_HORKAGE_NOLPM = (1 << 20), /* don't use LPM */
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ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */
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+ ATA_HORKAGE_NOTRIM = (1 << 22), /* don't use TRIM */
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/* DMA mask for user DMA control: User visible values; DO NOT
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renumber */
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