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[SCSI] st: kill struct st_buff_fragment

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This removes struct st_buff_fragment and use reserved_pages array to
store fragment buffer.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
FUJITA Tomonori
2008-12-18 14:49:45 +09:00
committed by James Bottomley
parent b3376b4aaa
commit 08c9583242
2 changed files with 43 additions and 42 deletions
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7
drivers/scsi/st.h
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@@ -54,16 +54,9 @@ struct st_buffer {
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 */
struct st_modedef {
unsigned char defined;