aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/st.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/st.c')
-rw-r--r--drivers/scsi/st.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 4684cc716aa..c2bb53e3d94 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -17,7 +17,7 @@
Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support
*/
-static const char *verstr = "20080224";
+static const char *verstr = "20080504";
#include <linux/module.h>
@@ -631,7 +631,7 @@ static int cross_eof(struct scsi_tape * STp, int forward)
/* Flush the write buffer (never need to write if variable blocksize). */
static int st_flush_write_buffer(struct scsi_tape * STp)
{
- int offset, transfer, blks;
+ int transfer, blks;
int result;
unsigned char cmd[MAX_COMMAND_SIZE];
struct st_request *SRpnt;
@@ -644,14 +644,10 @@ static int st_flush_write_buffer(struct scsi_tape * STp)
result = 0;
if (STp->dirty == 1) {
- offset = (STp->buffer)->buffer_bytes;
- transfer = ((offset + STp->block_size - 1) /
- STp->block_size) * STp->block_size;
+ transfer = STp->buffer->buffer_bytes;
DEBC(printk(ST_DEB_MSG "%s: Flushing %d bytes.\n",
tape_name(STp), transfer));
- memset((STp->buffer)->b_data + offset, 0, transfer - offset);
-
memset(cmd, 0, MAX_COMMAND_SIZE);
cmd[0] = WRITE_6;
cmd[1] = 1;
@@ -1670,6 +1666,7 @@ st_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
if (undone <= do_count) {
/* Only data from this write is not written */
count += undone;
+ b_point -= undone;
do_count -= undone;
if (STp->block_size)
blks = (transfer - undone) / STp->block_size;