diff options
| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2008-12-05 07:25:29 +0100 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-12-29 18:24:31 +0100 |
| commit | 18c87015741d931875038789957db55b00661f5b (patch) | |
| tree | 5211c02c787137292dff4ed971825558ad9e0b9a /drivers | |
| parent | [SCSI] st: convert read_mode_page to use st_scsi_kern_execute (diff) | |
| download | linux-18c87015741d931875038789957db55b00661f5b.tar.xz linux-18c87015741d931875038789957db55b00661f5b.zip | |
[SCSI] st: convert write_mode_page to use st_scsi_kern_execute
This replaces st_do_scsi in write_mode_page (MODE_SELECT) with
st_scsi_kern_execute.
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/st.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 1951fb4ed404..09d06bdd25dd 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -2399,9 +2399,9 @@ static int read_mode_page(struct scsi_tape *STp, int page, int omit_block_descs) in the buffer is correctly formatted. The long timeout is used if slow is non-zero. */ static int write_mode_page(struct scsi_tape *STp, int page, int slow) { - int pgo; + int pgo, timeout, ret = 0; unsigned char cmd[MAX_COMMAND_SIZE]; - struct st_request *SRpnt = NULL; + struct st_request *SRpnt; memset(cmd, 0, MAX_COMMAND_SIZE); cmd[0] = MODE_SELECT; @@ -2415,14 +2415,21 @@ static int write_mode_page(struct scsi_tape *STp, int page, int slow) (STp->buffer)->b_data[MH_OFF_DEV_SPECIFIC] &= ~MH_BIT_WP; (STp->buffer)->b_data[pgo + MP_OFF_PAGE_NBR] &= MP_MSK_PAGE_NBR; - SRpnt = st_do_scsi(SRpnt, STp, cmd, cmd[4], DMA_TO_DEVICE, - (slow ? STp->long_timeout : STp->device->request_queue->rq_timeout), 0, 1); - if (SRpnt == NULL) - return (STp->buffer)->syscall_result; + SRpnt = st_allocate_request(STp); + if (!SRpnt) + return ret; + + timeout = slow ? STp->long_timeout : + STp->device->request_queue->rq_timeout; + + ret = st_scsi_kern_execute(SRpnt, cmd, DMA_TO_DEVICE, + STp->buffer->b_data, cmd[4], timeout, 0); + if (!ret) + ret = STp->buffer->syscall_result; st_release_request(SRpnt); - return (STp->buffer)->syscall_result; + return ret; } |