renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-11-18 15:44:02 +08:00
Code

scsi: remove the second argument of k[un]map_atomic()

Browse Source 
Signed-off-by: Cong Wang <amwang@redhat.com>
This commit is contained in:
Cong Wang 2011-11-25 23:14:23 +08:00 committed by Cong Wang
parent 4679026d78
commit 77dfce076c
19 changed files with 64 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/scsi/arcmsr/arcmsr_hba.c
View File

@ -1736,7 +1736,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
(uint32_t ) cmd->cmnd[8];
/* 4 bytes: Areca io control code */
sg = scsi_sglist(cmd);
buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
buffer = kmap_atomic(sg_page(sg)) + sg->offset;
if (scsi_sg_count(cmd) > 1) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
@ -1985,7 +1985,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
}
message_out:
sg = scsi_sglist(cmd);
kunmap_atomic(buffer - sg->offset, KM_IRQ0);
kunmap_atomic(buffer - sg->offset);
return retvalue;
}
@ -2035,11 +2035,11 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
strncpy(&inqdata[32], "R001", 4); /* Product Revision */
sg = scsi_sglist(cmd);
buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
buffer = kmap_atomic(sg_page(sg)) + sg->offset;
memcpy(buffer, inqdata, sizeof(inqdata));
sg = scsi_sglist(cmd);
kunmap_atomic(buffer - sg->offset, KM_IRQ0);
kunmap_atomic(buffer - sg->offset);
cmd->scsi_done(cmd);
}

5
drivers/scsi/bnx2fc/bnx2fc_fcoe.c
View File

@ -322,8 +322,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
return -ENOMEM;
}
frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
cp = kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ)
+ frag->page_offset;
cp = kmap_atomic(skb_frag_page(frag)) + frag->page_offset;
} else {
cp = (struct fcoe_crc_eof *)skb_put(skb, tlen);
}
@ -332,7 +331,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
cp->fcoe_eof = eof;
cp->fcoe_crc32 = cpu_to_le32(~crc);
if (skb_is_nonlinear(skb)) {
kunmap_atomic(cp, KM_SKB_DATA_SOFTIRQ);
kunmap_atomic(cp);
cp = NULL;
}

5
drivers/scsi/cxgbi/libcxgbi.c
View File

@ -1956,12 +1956,11 @@ int cxgbi_conn_init_pdu(struct iscsi_task *task, unsigned int offset,
/* data fits in the skb's headroom */
for (i = 0; i < tdata->nr_frags; i++, frag++) {
char *src = kmap_atomic(frag->page,
KM_SOFTIRQ0);
char *src = kmap_atomic(frag->page);
memcpy(dst, src+frag->offset, frag->size);
dst += frag->size;
kunmap_atomic(src, KM_SOFTIRQ0);
kunmap_atomic(src);
}
if (padlen) {
memset(dst, 0, padlen);

4
drivers/scsi/fcoe/fcoe.c
View File

@ -1515,7 +1515,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
return -ENOMEM;
}
frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
cp = kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ)
cp = kmap_atomic(skb_frag_page(frag))
+ frag->page_offset;
} else {
cp = (struct fcoe_crc_eof *)skb_put(skb, tlen);
@ -1526,7 +1526,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
cp->fcoe_crc32 = cpu_to_le32(~crc);
if (skb_is_nonlinear(skb)) {
kunmap_atomic(cp, KM_SKB_DATA_SOFTIRQ);
kunmap_atomic(cp);
cp = NULL;
}

5
drivers/scsi/fcoe/fcoe_transport.c
View File

@ -210,10 +210,9 @@ u32 fcoe_fc_crc(struct fc_frame *fp)
while (len > 0) {
clen = min(len, PAGE_SIZE - (off & ~PAGE_MASK));
data = kmap_atomic(
skb_frag_page(frag) + (off >> PAGE_SHIFT),
KM_SKB_DATA_SOFTIRQ);
skb_frag_page(frag) + (off >> PAGE_SHIFT));
crc = crc32(crc, data + (off & ~PAGE_MASK), clen);
kunmap_atomic(data, KM_SKB_DATA_SOFTIRQ);
kunmap_atomic(data);
off += clen;
len -= clen;
}

4
drivers/scsi/gdth.c
View File

@ -2310,10 +2310,10 @@ static void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp,
return;
}
local_irq_save(flags);
address = kmap_atomic(sg_page(sl), KM_BIO_SRC_IRQ) + sl->offset;
address = kmap_atomic(sg_page(sl)) + sl->offset;
memcpy(address, buffer, cpnow);
flush_dcache_page(sg_page(sl));
kunmap_atomic(address, KM_BIO_SRC_IRQ);
kunmap_atomic(address);
local_irq_restore(flags);
if (cpsum == cpcount)
break;

6
drivers/scsi/ips.c
View File

@ -1511,14 +1511,14 @@ static int ips_is_passthru(struct scsi_cmnd *SC)
/* kmap_atomic() ensures addressability of the user buffer.*/
/* local_irq_save() protects the KM_IRQ0 address slot. */
local_irq_save(flags);
buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
buffer = kmap_atomic(sg_page(sg)) + sg->offset;
if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
buffer[2] == 'P' && buffer[3] == 'P') {
kunmap_atomic(buffer - sg->offset, KM_IRQ0);
kunmap_atomic(buffer - sg->offset);
local_irq_restore(flags);
return 1;
}
kunmap_atomic(buffer - sg->offset, KM_IRQ0);
kunmap_atomic(buffer - sg->offset);
local_irq_restore(flags);
}
return 0;

16
drivers/scsi/isci/request.c
View File

@ -1304,9 +1304,9 @@ sci_stp_request_pio_data_in_copy_data_buffer(struct isci_stp_request *stp_req,
struct page *page = sg_page(sg);
copy_len = min_t(int, total_len, sg_dma_len(sg));
kaddr = kmap_atomic(page, KM_IRQ0);
kaddr = kmap_atomic(page);
memcpy(kaddr + sg->offset, src_addr, copy_len);
kunmap_atomic(kaddr, KM_IRQ0);
kunmap_atomic(kaddr);
total_len -= copy_len;
src_addr += copy_len;
sg = sg_next(sg);
@ -1654,7 +1654,7 @@ sci_io_request_frame_handler(struct isci_request *ireq,
sci_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
&frame_header);
kaddr = kmap_atomic(sg_page(sg), KM_IRQ0);
kaddr = kmap_atomic(sg_page(sg));
rsp = kaddr + sg->offset;
sci_swab32_cpy(rsp, frame_header, 1);
@ -1691,7 +1691,7 @@ sci_io_request_frame_handler(struct isci_request *ireq,
ireq->sci_status = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR;
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
}
kunmap_atomic(kaddr, KM_IRQ0);
kunmap_atomic(kaddr);
sci_controller_release_frame(ihost, frame_index);
@ -3023,10 +3023,10 @@ static void isci_request_io_request_complete(struct isci_host *ihost,
dma_unmap_sg(&ihost->pdev->dev, sg, 1, DMA_TO_DEVICE);
/* need to swab it back in case the command buffer is re-used */
kaddr = kmap_atomic(sg_page(sg), KM_IRQ0);
kaddr = kmap_atomic(sg_page(sg));
smp_req = kaddr + sg->offset;
sci_swab32_cpy(smp_req, smp_req, sg->length / sizeof(u32));
kunmap_atomic(kaddr, KM_IRQ0);
kunmap_atomic(kaddr);
break;
}
default:
@ -3311,7 +3311,7 @@ sci_io_request_construct_smp(struct device *dev,
u8 req_len;
u32 cmd;
kaddr = kmap_atomic(sg_page(sg), KM_IRQ0);
kaddr = kmap_atomic(sg_page(sg));
smp_req = kaddr + sg->offset;
/*
* Look at the SMP requests' header fields; for certain SAS 1.x SMP
@ -3337,7 +3337,7 @@ sci_io_request_construct_smp(struct device *dev,
req_len = smp_req->req_len;
sci_swab32_cpy(smp_req, smp_req, sg->length / sizeof(u32));
cmd = *(u32 *) smp_req;
kunmap_atomic(kaddr, KM_IRQ0);
kunmap_atomic(kaddr);
if (!dma_map_sg(dev, sg, 1, DMA_TO_DEVICE))
return SCI_FAILURE;

8
drivers/scsi/libfc/fc_fcp.c
View File

@ -485,11 +485,11 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
if (!(fr_flags(fp) & FCPHF_CRC_UNCHECKED)) {
copy_len = fc_copy_buffer_to_sglist(buf, len, sg, &nents,
&offset, KM_SOFTIRQ0, NULL);
&offset, NULL);
} else {
crc = crc32(~0, (u8 *) fh, sizeof(*fh));
copy_len = fc_copy_buffer_to_sglist(buf, len, sg, &nents,
&offset, KM_SOFTIRQ0, &crc);
&offset, &crc);
buf = fc_frame_payload_get(fp, 0);
if (len % 4)
crc = crc32(crc, buf + len, 4 - (len % 4));
@ -650,10 +650,10 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq,
* The scatterlist item may be bigger than PAGE_SIZE,
* but we must not cross pages inside the kmap.
*/
page_addr = kmap_atomic(page, KM_SOFTIRQ0);
page_addr = kmap_atomic(page);
memcpy(data, (char *)page_addr + (off & ~PAGE_MASK),
sg_bytes);
kunmap_atomic(page_addr, KM_SOFTIRQ0);
kunmap_atomic(page_addr);
data += sg_bytes;
}
offset += sg_bytes;

8
drivers/scsi/libfc/fc_libfc.c
View File

@ -105,14 +105,13 @@ module_exit(libfc_exit);
* @sg: pointer to the pointer of the SG list.
* @nents: pointer to the remaining number of entries in the SG list.
* @offset: pointer to the current offset in the SG list.
* @km_type: dedicated page table slot type for kmap_atomic.
* @crc: pointer to the 32-bit crc value.
* If crc is NULL, CRC is not calculated.
*/
u32 fc_copy_buffer_to_sglist(void *buf, size_t len,
struct scatterlist *sg,
u32 *nents, size_t *offset,
enum km_type km_type, u32 *crc)
u32 *crc)
{
size_t remaining = len;
u32 copy_len = 0;
@ -142,12 +141,11 @@ u32 fc_copy_buffer_to_sglist(void *buf, size_t len,
off = *offset + sg->offset;
sg_bytes = min(sg_bytes,
(size_t)(PAGE_SIZE - (off & ~PAGE_MASK)));
page_addr = kmap_atomic(sg_page(sg) + (off >> PAGE_SHIFT),
km_type);
page_addr = kmap_atomic(sg_page(sg) + (off >> PAGE_SHIFT));
if (crc)
*crc = crc32(*crc, buf, sg_bytes);
memcpy((char *)page_addr + (off & ~PAGE_MASK), buf, sg_bytes);
kunmap_atomic(page_addr, km_type);
kunmap_atomic(page_addr);
buf += sg_bytes;
*offset += sg_bytes;
remaining -= sg_bytes;

2
drivers/scsi/libfc/fc_libfc.h
View File

@ -134,6 +134,6 @@ extern void fc_fc4_conf_lport_params(struct fc_lport *, enum fc_fh_type);
u32 fc_copy_buffer_to_sglist(void *buf, size_t len,
struct scatterlist *sg,
u32 *nents, size_t *offset,
enum km_type km_type, u32 *crc);
u32 *crc);
#endif /* _FC_LIBFC_H_ */

2
drivers/scsi/libfc/fc_lport.c
View File

@ -1698,7 +1698,7 @@ static void fc_lport_bsg_resp(struct fc_seq *sp, struct fc_frame *fp,
job->reply->reply_payload_rcv_len +=
fc_copy_buffer_to_sglist(buf, len, info->sg, &info->nents,
&info->offset, KM_BIO_SRC_IRQ, NULL);
&info->offset, NULL);
if (fr_eof(fp) == FC_EOF_T &&
(ntoh24(fh->fh_f_ctl) & (FC_FC_LAST_SEQ | FC_FC_END_SEQ)) ==

4
drivers/scsi/libiscsi_tcp.c
View File

@ -135,7 +135,7 @@ static void iscsi_tcp_segment_map(struct iscsi_segment *segment, int recv)
if (recv) {
segment->atomic_mapped = true;
segment->sg_mapped = kmap_atomic(sg_page(sg), KM_SOFTIRQ0);
segment->sg_mapped = kmap_atomic(sg_page(sg));
} else {
segment->atomic_mapped = false;
/* the xmit path can sleep with the page mapped so use kmap */
@ -149,7 +149,7 @@ void iscsi_tcp_segment_unmap(struct iscsi_segment *segment)
{
if (segment->sg_mapped) {
if (segment->atomic_mapped)
kunmap_atomic(segment->sg_mapped, KM_SOFTIRQ0);
kunmap_atomic(segment->sg_mapped);
else
kunmap(sg_page(segment->sg));
segment->sg_mapped = NULL;

8
drivers/scsi/libsas/sas_host_smp.c
View File

@ -246,9 +246,9 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
}
local_irq_disable();
buf = kmap_atomic(bio_page(req->bio), KM_USER0) + bio_offset(req->bio);
buf = kmap_atomic(bio_page(req->bio));
memcpy(req_data, buf, blk_rq_bytes(req));
kunmap_atomic(buf - bio_offset(req->bio), KM_USER0);
kunmap_atomic(buf - bio_offset(req->bio));
local_irq_enable();
if (req_data[0] != SMP_REQUEST)
@ -361,10 +361,10 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
}
local_irq_disable();
buf = kmap_atomic(bio_page(rsp->bio), KM_USER0) + bio_offset(rsp->bio);
buf = kmap_atomic(bio_page(rsp->bio));
memcpy(buf, resp_data, blk_rq_bytes(rsp));
flush_kernel_dcache_page(bio_page(rsp->bio));
kunmap_atomic(buf - bio_offset(rsp->bio), KM_USER0);
kunmap_atomic(buf - bio_offset(rsp->bio));
local_irq_enable();
out:

4
drivers/scsi/megaraid.c
View File

@ -670,10 +670,10 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy)
struct scatterlist *sg;
sg = scsi_sglist(cmd);
buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
buf = kmap_atomic(sg_page(sg)) + sg->offset;
memset(buf, 0, cmd->cmnd[4]);
kunmap_atomic(buf - sg->offset, KM_IRQ0);
kunmap_atomic(buf - sg->offset);
cmd->result = (DID_OK << 16);
cmd->scsi_done(cmd);

4
drivers/scsi/mvsas/mv_sas.c
View File

@ -1885,11 +1885,11 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags)
case SAS_PROTOCOL_SMP: {
struct scatterlist *sg_resp = &task->smp_task.smp_resp;
tstat->stat = SAM_STAT_GOOD;
to = kmap_atomic(sg_page(sg_resp), KM_IRQ0);
to = kmap_atomic(sg_page(sg_resp));
memcpy(to + sg_resp->offset,
slot->response + sizeof(struct mvs_err_info),
sg_dma_len(sg_resp));
kunmap_atomic(to, KM_IRQ0);
kunmap_atomic(to);
break;
}

24
drivers/scsi/scsi_debug.c
View File

@ -1778,7 +1778,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec,
scsi_for_each_prot_sg(SCpnt, psgl, scsi_prot_sg_count(SCpnt), i) {
int len = min(psgl->length, resid);
paddr = kmap_atomic(sg_page(psgl), KM_IRQ0) + psgl->offset;
paddr = kmap_atomic(sg_page(psgl)) + psgl->offset;
memcpy(paddr, dif_storep + dif_offset(sector), len);
sector += len >> 3;
@ -1788,7 +1788,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec,
sector = do_div(tmp_sec, sdebug_store_sectors);
}
resid -= len;
kunmap_atomic(paddr, KM_IRQ0);
kunmap_atomic(paddr);
}
dix_reads++;
@ -1881,12 +1881,12 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec,
BUG_ON(scsi_sg_count(SCpnt) == 0);
BUG_ON(scsi_prot_sg_count(SCpnt) == 0);
paddr = kmap_atomic(sg_page(psgl), KM_IRQ1) + psgl->offset;
paddr = kmap_atomic(sg_page(psgl)) + psgl->offset;
ppage_offset = 0;
/* For each data page */
scsi_for_each_sg(SCpnt, dsgl, scsi_sg_count(SCpnt), i) {
daddr = kmap_atomic(sg_page(dsgl), KM_IRQ0) + dsgl->offset;
daddr = kmap_atomic(sg_page(dsgl)) + dsgl->offset;
/* For each sector-sized chunk in data page */
for (j = 0 ; j < dsgl->length ; j += scsi_debug_sector_size) {
@ -1895,10 +1895,10 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec,
* protection page advance to the next one
*/
if (ppage_offset >= psgl->length) {
kunmap_atomic(paddr, KM_IRQ1);
kunmap_atomic(paddr);
psgl = sg_next(psgl);
BUG_ON(psgl == NULL);
paddr = kmap_atomic(sg_page(psgl), KM_IRQ1)
paddr = kmap_atomic(sg_page(psgl))
+ psgl->offset;
ppage_offset = 0;
}
@ -1971,10 +1971,10 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec,
ppage_offset += sizeof(struct sd_dif_tuple);
}
kunmap_atomic(daddr, KM_IRQ0);
kunmap_atomic(daddr);
}
kunmap_atomic(paddr, KM_IRQ1);
kunmap_atomic(paddr);
dix_writes++;
@ -1982,8 +1982,8 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec,
out:
dif_errors++;
kunmap_atomic(daddr, KM_IRQ0);
kunmap_atomic(paddr, KM_IRQ1);
kunmap_atomic(daddr);
kunmap_atomic(paddr);
return ret;
}
@ -2303,7 +2303,7 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
offset = 0;
for_each_sg(sdb->table.sgl, sg, sdb->table.nents, i) {
kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0);
kaddr = (unsigned char *)kmap_atomic(sg_page(sg));
if (!kaddr)
goto out;
@ -2311,7 +2311,7 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
*(kaddr + sg->offset + j) ^= *(buf + offset + j);
offset += sg->length;
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
}
ret = 0;
out:

4
drivers/scsi/scsi_lib.c
View File

@ -2567,7 +2567,7 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sgl, int sg_count,
if (*len > sg_len)
*len = sg_len;
return kmap_atomic(page, KM_BIO_SRC_IRQ);
return kmap_atomic(page);
}
EXPORT_SYMBOL(scsi_kmap_atomic_sg);
@ -2577,6 +2577,6 @@ EXPORT_SYMBOL(scsi_kmap_atomic_sg);
*/
void scsi_kunmap_atomic_sg(void *virt)
{
kunmap_atomic(virt, KM_BIO_SRC_IRQ);
kunmap_atomic(virt);
}
EXPORT_SYMBOL(scsi_kunmap_atomic_sg);

12
drivers/scsi/sd_dif.c
View File

@ -392,7 +392,7 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s
virt = bio->bi_integrity->bip_sector & 0xffffffff;
bip_for_each_vec(iv, bio->bi_integrity, i) {
sdt = kmap_atomic(iv->bv_page, KM_USER0)
sdt = kmap_atomic(iv->bv_page)
+ iv->bv_offset;
for (j = 0 ; j < iv->bv_len ; j += tuple_sz, sdt++) {
@ -405,7 +405,7 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s
phys++;
}
kunmap_atomic(sdt, KM_USER0);
kunmap_atomic(sdt);
}
bio->bi_flags |= (1 << BIO_MAPPED_INTEGRITY);
@ -414,7 +414,7 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s
return 0;
error:
kunmap_atomic(sdt, KM_USER0);
kunmap_atomic(sdt);
sd_printk(KERN_ERR, sdkp, "%s: virt %u, phys %u, ref %u, app %4x\n",
__func__, virt, phys, be32_to_cpu(sdt->ref_tag),
be16_to_cpu(sdt->app_tag));
@ -453,13 +453,13 @@ void sd_dif_complete(struct scsi_cmnd *scmd, unsigned int good_bytes)
virt = bio->bi_integrity->bip_sector & 0xffffffff;
bip_for_each_vec(iv, bio->bi_integrity, i) {
sdt = kmap_atomic(iv->bv_page, KM_USER0)
sdt = kmap_atomic(iv->bv_page)
+ iv->bv_offset;
for (j = 0 ; j < iv->bv_len ; j += tuple_sz, sdt++) {
if (sectors == 0) {
kunmap_atomic(sdt, KM_USER0);
kunmap_atomic(sdt);
return;
}
@ -474,7 +474,7 @@ void sd_dif_complete(struct scsi_cmnd *scmd, unsigned int good_bytes)
sectors--;
}
kunmap_atomic(sdt, KM_USER0);
kunmap_atomic(sdt);
}
}
}