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path: root/drivers/scsi/st.h
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Diffstat (limited to 'drivers/scsi/st.h')
-rw-r--r--drivers/scsi/st.h14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index b92712f9593..544dc6b1f54 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -29,6 +29,7 @@ struct st_request {
int result;
struct scsi_tape *stp;
struct completion *waiting;
+ struct bio *bio;
};
/* The tape buffer descriptor. */
@@ -44,20 +45,13 @@ struct st_buffer {
int syscall_result;
struct st_request *last_SRpnt;
struct st_cmdstatus cmdstat;
+ struct page **reserved_pages;
+ struct page **mapped_pages;
+ struct rq_map_data map_data;
unsigned char *b_data;
unsigned short use_sg; /* zero or max number of s/g segments for this adapter */
unsigned short sg_segs; /* number of segments in s/g list */
- unsigned short orig_frp_segs; /* number of segments allocated at first try */
unsigned short frp_segs; /* number of buffer segments */
- unsigned int frp_sg_current; /* driver buffer length currently in s/g list */
- struct st_buf_fragment *frp; /* the allocated buffer fragment list */
- struct scatterlist sg[1]; /* MUST BE last item */
-};
-
-/* The tape buffer fragment descriptor */
-struct st_buf_fragment {
- struct page *page;
- unsigned int length;
};
/* The tape mode definition */