libata: Whitelist SSDs that are known to properly return zeroes after TRIM

[cascardo/linux.git] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 2d18241..f2b440e 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -422,6 +422,7 @@ enum {
        ATA_HORKAGE_NO_NCQ_TRIM = (1 << 19),    /* don't use queued TRIM */
        ATA_HORKAGE_NOLPM       = (1 << 20),    /* don't use LPM */
        ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21),  /* some WDs have broken LPM */
+       ATA_HORKAGE_ZERO_AFTER_TRIM = (1 << 22),/* guarantees zero after trim */
 
         /* DMA mask for user DMA control: User visible values; DO NOT
            renumber */