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authorJeff Garzik <jgarzik@pobox.com>2005-10-30 01:56:31 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-10-30 01:56:31 -0500
commit81cfb8864c73230eb1c37753aba517db15cf4d8f (patch)
tree649ff25543834cf9983ea41b93126bea97d75475 /drivers/scsi
parent0169e284f6b6b263cc7c2ed25986b96cd6fda610 (diff)
parent9f75e1eff3edb2bb07349b94c28f4f2a6c66ca43 (diff)
Merge branch 'master'
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/arm/scsi.h6
-rw-r--r--drivers/scsi/libata-core.c10
-rw-r--r--drivers/scsi/sg.c17
-rw-r--r--drivers/scsi/st.c10
4 files changed, 22 insertions, 21 deletions
diff --git a/drivers/scsi/arm/scsi.h b/drivers/scsi/arm/scsi.h
index 48e1c4d9738b..19937640e2e7 100644
--- a/drivers/scsi/arm/scsi.h
+++ b/drivers/scsi/arm/scsi.h
@@ -10,6 +10,8 @@
* Commonly used scsi driver functions.
*/
+#include <linux/scatterlist.h>
+
#define BELT_AND_BRACES
/*
@@ -22,9 +24,7 @@ static inline int copy_SCp_to_sg(struct scatterlist *sg, Scsi_Pointer *SCp, int
BUG_ON(bufs + 1 > max);
- sg->page = virt_to_page(SCp->ptr);
- sg->offset = offset_in_page(SCp->ptr);
- sg->length = SCp->this_residual;
+ sg_set_buf(sg, SCp->ptr, SCp->this_residual);
if (bufs)
memcpy(sg + 1, SCp->buffer + 1,
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index d2f71a2331bb..771bc7d376bc 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -49,6 +49,7 @@
#include <linux/suspend.h>
#include <linux/workqueue.h>
#include <linux/jiffies.h>
+#include <linux/scatterlist.h>
#include <scsi/scsi.h>
#include "scsi.h"
#include "scsi_priv.h"
@@ -2554,19 +2555,12 @@ void ata_qc_prep(struct ata_queued_cmd *qc)
void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen)
{
- struct scatterlist *sg;
-
qc->flags |= ATA_QCFLAG_SINGLE;
- memset(&qc->sgent, 0, sizeof(qc->sgent));
qc->sg = &qc->sgent;
qc->n_elem = 1;
qc->buf_virt = buf;
-
- sg = qc->sg;
- sg->page = virt_to_page(buf);
- sg->offset = (unsigned long) buf & ~PAGE_MASK;
- sg->length = buflen;
+ sg_init_one(qc->sg, buf, buflen);
}
/**
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 861e51375d70..d86d5c26061d 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -49,6 +49,7 @@ static int sg_version_num = 30533; /* 2 digits for each component */
#include <linux/seq_file.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
+#include <linux/scatterlist.h>
#include "scsi.h"
#include <scsi/scsi_dbg.h>
@@ -1886,13 +1887,17 @@ st_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_pages,
int i;
for (i=0; i < nr_pages; i++) {
- if (dirtied && !PageReserved(sgl[i].page))
- SetPageDirty(sgl[i].page);
- /* unlock_page(sgl[i].page); */
+ struct page *page = sgl[i].page;
+
+ /* XXX: just for debug. Remove when PageReserved is removed */
+ BUG_ON(PageReserved(page));
+ if (dirtied)
+ SetPageDirty(page);
+ /* unlock_page(page); */
/* FIXME: cache flush missing for rw==READ
* FIXME: call the correct reference counting function
*/
- page_cache_release(sgl[i].page);
+ page_cache_release(page);
}
return 0;
@@ -1992,9 +1997,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)
if (!p)
break;
}
- sclp->page = virt_to_page(p);
- sclp->offset = offset_in_page(p);
- sclp->length = ret_sz;
+ sg_set_buf(sclp, p, ret_sz);
SCSI_LOG_TIMEOUT(5, printk("sg_build_build: k=%d, a=0x%p, len=%d\n",
k, sg_scatg2virt(sclp), ret_sz));
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 5eb54d8019b4..da9766283bd7 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4526,12 +4526,16 @@ static int sgl_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_p
int i;
for (i=0; i < nr_pages; i++) {
- if (dirtied && !PageReserved(sgl[i].page))
- SetPageDirty(sgl[i].page);
+ struct page *page = sgl[i].page;
+
+ /* XXX: just for debug. Remove when PageReserved is removed */
+ BUG_ON(PageReserved(page));
+ if (dirtied)
+ SetPageDirty(page);
/* FIXME: cache flush missing for rw==READ
* FIXME: call the correct reference counting function
*/
- page_cache_release(sgl[i].page);
+ page_cache_release(page);
}
return 0;