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[SCSI] st: add st_scsi_execute helper function

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st_scsi_execute is a helper function to perform SCSI commands
involving data transfer between user and kernel space (st_read and
st_write).

It's the future plan to combine this with st_scsi_kern_execute helper
function.

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 14:49:41 +09:00
committed by James Bottomley
parent d0e1ae31be
commit 13b53b4434
2 changed files with 55 additions and 0 deletions
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drivers/scsi/st.h
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@ -29,6 +29,7 @@ struct st_request {
int result;
struct scsi_tape *stp;
struct completion *waiting;
struct bio *bio;
};
/* The tape buffer descriptor. */