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Index: sys/cam/ata/ata_da.c
===================================================================
--- sys/cam/ata/ata_da.c
+++ sys/cam/ata/ata_da.c
@@ -633,6 +633,14 @@
},
{
/*
+ * Samsung 845 SSDs
+ * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
+ */
+ { T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 845*", "*" },
+ /*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
+ },
+ {
+ /*
* Samsung 850 SSDs
* 4k optimised, NCQ TRIM broken (normal TRIM fine)
*/
Index: sys/cam/scsi/scsi_da.c
===================================================================
--- sys/cam/scsi/scsi_da.c
+++ sys/cam/scsi/scsi_da.c
@@ -1239,6 +1239,14 @@
},
{
/*
+ * Samsung 845 SSDs
+ * 4k optimised & trim only works in 4k requests + 4k aligned
+ */
+ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 845*", "*" },
+ /*quirks*/DA_Q_4K
+ },
+ {
+ /*
* Samsung 850 SSDs
* 4k optimised & trim only works in 4k requests + 4k aligned
*/

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