1 files changed, 8 insertions, 2 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index a05f60013642..b064bfeb69ee 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -295,6 +295,7 @@ enum {
         ATA_EH_SOFTRESET        = (1 << 1),
         ATA_EH_HARDRESET        = (1 << 2),
         ATA_EH_ENABLE_LINK      = (1 << 3),
+        ATA_EH_LPM              = (1 << 4),  /* link power management action */
 
         ATA_EH_RESET_MASK       = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
         ATA_EH_PERDEV_MASK      = ATA_EH_REVALIDATE,
@@ -304,7 +305,6 @@ enum {
         ATA_EHI_RESUME_LINK     = (1 << 1),  /* resume link (reset modifier) */
         ATA_EHI_NO_AUTOPSY      = (1 << 2),  /* no autopsy */
         ATA_EHI_QUIET           = (1 << 3),  /* be quiet */
-        ATA_EHI_LPM             = (1 << 4),  /* link power management action */
 
         ATA_EHI_DID_SOFTRESET   = (1 << 16), /* already soft-reset this port */
         ATA_EHI_DID_HARDRESET   = (1 << 17), /* already soft-reset this port */
@@ -463,6 +463,7 @@ struct ata_queued_cmd {
         unsigned int            sect_size;
 
         unsigned int            nbytes;
+        unsigned int            extrabytes;
         unsigned int            curbytes;
 
         struct scatterlist      *cursg;
@@ -1336,6 +1337,11 @@ static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,
         return NULL;
 }
 
+static inline unsigned int ata_qc_raw_nbytes(struct ata_queued_cmd *qc)
+{
+        return qc->nbytes - min(qc->extrabytes, qc->nbytes);
+}
+
 static inline void ata_tf_init(struct ata_device *dev, struct ata_taskfile *tf)
 {
         memset(tf, 0, sizeof(*tf));
@@ -1354,7 +1360,7 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
         qc->flags = 0;
         qc->cursg = NULL;
         qc->cursg_ofs = 0;
-        qc->nbytes = qc->curbytes = 0;
+        qc->nbytes = qc->extrabytes = qc->curbytes = 0;
         qc->n_elem = 0;
         qc->err_mask = 0;
         qc->sect_size = ATA_SECT_SIZE;