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[SCSI] st: remove unused st_buffer.in_use 

I noticed that in_use in st_buffer is not used. The patch below
against 2.6.17-rc3 removes it, assuming there is no future use for it.
It was tested in a sparc SS20 with a DLT4000.

Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk>
Acked-by: Kai Mkisara <kai.makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Martin Habets 2006-06-28 15:40:36 +01:00 committed by James Bottomley
parent f28e71617d
commit 332959cb52
2 changed files with 0 additions and 2 deletions
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1
drivers/scsi/st.c
View File

@ -3599,7 +3599,6 @@ static struct st_buffer *
tb->use_sg = max_sg; tb->use_sg = max_sg;
tb->frp = (struct st_buf_fragment *)(&(tb->sg[0]) + max_sg); tb->frp = (struct st_buf_fragment *)(&(tb->sg[0]) + max_sg);
tb->in_use = 1;
tb->dma = need_dma; tb->dma = need_dma;
tb->buffer_size = got; tb->buffer_size = got;

1
drivers/scsi/st.h
View File

@ -31,7 +31,6 @@ struct st_request {
/* The tape buffer descriptor. */ /* The tape buffer descriptor. */
struct st_buffer { struct st_buffer {
unsigned char in_use;
unsigned char dma; /* DMA-able buffer */ unsigned char dma; /* DMA-able buffer */
unsigned char do_dio; /* direct i/o set up? */ unsigned char do_dio; /* direct i/o set up? */
int buffer_size; int buffer_size;