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authorChristoph Hellwig <hch@lst.de>2017-04-25 14:26:52 +0200
committerTejun Heo <tj@kernel.org>2017-04-28 18:09:59 -0400
commit63ccc191649eb0f14a761074291551d0d2f85389 (patch)
treec44687a821c61bcd3286ed6349bf2f084af4095b /include/linux/ata.h
parentc6ade20f5e50e188d20b711a618b20dd1d50457e (diff)
libata: remove SCT WRITE SAME support
This was already disabled a while ago because it caused I/O errors, and it's severly getting into the way of the discard / write zeroes rework. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/ata.h')
-rw-r--r--include/linux/ata.h5
1 files changed, 0 insertions, 5 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index af6859b3a93d..ad7d9ee89ff0 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -817,11 +817,6 @@ static inline bool ata_id_sct_error_recovery_ctrl(const u16 *id)
return id[ATA_ID_SCT_CMD_XPORT] & (1 << 3) ? true : false;
}
-static inline bool ata_id_sct_write_same(const u16 *id)
-{
- return id[ATA_ID_SCT_CMD_XPORT] & (1 << 2) ? true : false;
-}
-
static inline bool ata_id_sct_long_sector_access(const u16 *id)
{
return id[ATA_ID_SCT_CMD_XPORT] & (1 << 1) ? true : false;