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author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2007-06-14 22:13:17 +0900 |
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committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-06-17 16:01:55 -0500 |
commit | 1c13899154f6f93e8c9ff3e981a90d5f21df2d6b (patch) | |
tree | 0287449d5e4da4fb8824e49f5cd25c4dbfcc3bac /drivers/scsi/libiscsi.c | |
parent | d36b113eea2918ce1badf277af9fc64311609ca2 (diff) | |
download | kernel_samsung_smdk4412-1c13899154f6f93e8c9ff3e981a90d5f21df2d6b.zip kernel_samsung_smdk4412-1c13899154f6f93e8c9ff3e981a90d5f21df2d6b.tar.gz kernel_samsung_smdk4412-1c13899154f6f93e8c9ff3e981a90d5f21df2d6b.tar.bz2 |
[SCSI] iscsi_tcp: convert to use the data buffer accessors
- remove the unnecessary map_single path.
- convert to use the new accessors for the sg lists and the
parameters.
TODO: use scsi_for_each_sg().
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/libiscsi.c')
-rw-r--r-- | drivers/scsi/libiscsi.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 865dd57..4d85ce1 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -140,7 +140,7 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) hdr->flags = ISCSI_ATTR_SIMPLE; int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun); hdr->itt = build_itt(ctask->itt, conn->id, session->age); - hdr->data_length = cpu_to_be32(sc->request_bufflen); + hdr->data_length = cpu_to_be32(scsi_bufflen(sc)); hdr->cmdsn = cpu_to_be32(session->cmdsn); session->cmdsn++; hdr->exp_statsn = cpu_to_be32(conn->exp_statsn); @@ -172,11 +172,11 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) ctask->unsol_datasn = 0; if (session->imm_data_en) { - if (sc->request_bufflen >= session->first_burst) + if (scsi_bufflen(sc) >= session->first_burst) ctask->imm_count = min(session->first_burst, conn->max_xmit_dlength); else - ctask->imm_count = min(sc->request_bufflen, + ctask->imm_count = min(scsi_bufflen(sc), conn->max_xmit_dlength); hton24(ctask->hdr->dlength, ctask->imm_count); } else @@ -184,7 +184,7 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) if (!session->initial_r2t_en) { ctask->unsol_count = min((session->first_burst), - (sc->request_bufflen)) - ctask->imm_count; + (scsi_bufflen(sc))) - ctask->imm_count; ctask->unsol_offset = ctask->imm_count; } @@ -204,7 +204,7 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) debug_scsi("iscsi prep [%s cid %d sc %p cdb 0x%x itt 0x%x len %d " "cmdsn %d win %d]\n", sc->sc_data_direction == DMA_TO_DEVICE ? "write" : "read", - conn->id, sc, sc->cmnd[0], ctask->itt, sc->request_bufflen, + conn->id, sc, sc->cmnd[0], ctask->itt, scsi_bufflen(sc), session->cmdsn, session->max_cmdsn - session->exp_cmdsn + 1); } @@ -297,14 +297,14 @@ invalid_datalen: if (rhdr->flags & ISCSI_FLAG_CMD_UNDERFLOW) { int res_count = be32_to_cpu(rhdr->residual_count); - if (res_count > 0 && res_count <= sc->request_bufflen) - sc->resid = res_count; + if (res_count > 0 && res_count <= scsi_bufflen(sc)) + scsi_set_resid(sc, res_count); else sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status; } else if (rhdr->flags & ISCSI_FLAG_CMD_BIDI_UNDERFLOW) sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status; else if (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW) - sc->resid = be32_to_cpu(rhdr->residual_count); + scsi_set_resid(sc, be32_to_cpu(rhdr->residual_count)); out: debug_scsi("done [sc %lx res %d itt 0x%x]\n", @@ -876,7 +876,7 @@ fault: printk(KERN_ERR "iscsi: cmd 0x%x is not queued (%d)\n", sc->cmnd[0], reason); sc->result = (DID_NO_CONNECT << 16); - sc->resid = sc->request_bufflen; + scsi_set_resid(sc, scsi_bufflen(sc)); sc->scsi_done(sc); return 0; } @@ -1145,7 +1145,7 @@ static void fail_command(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask, iscsi_ctask_mtask_cleanup(ctask); sc->result = err; - sc->resid = sc->request_bufflen; + scsi_set_resid(sc, scsi_bufflen(sc)); if (conn->ctask == ctask) conn->ctask = NULL; /* release ref from queuecommand */ |