#include <linux/mempool.h>
#include <linux/workqueue.h>
#include <linux/blktrace_api.h>
-#include <trace/block.h>
#include <scsi/sg.h> /* for struct sg_iovec */
-DEFINE_TRACE(block_split);
+#include <trace/events/block.h>
/*
* Test patch to inline a certain number of bi_io_vec's inside the bio
struct request_queue *q = bdev_get_queue(bdev);
int nr_pages;
- nr_pages = ((q->max_sectors << 9) + PAGE_SIZE - 1) >> PAGE_SHIFT;
- if (nr_pages > q->max_phys_segments)
- nr_pages = q->max_phys_segments;
- if (nr_pages > q->max_hw_segments)
- nr_pages = q->max_hw_segments;
+ nr_pages = ((queue_max_sectors(q) << 9) + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ if (nr_pages > queue_max_phys_segments(q))
+ nr_pages = queue_max_phys_segments(q);
+ if (nr_pages > queue_max_hw_segments(q))
+ nr_pages = queue_max_hw_segments(q);
return nr_pages;
}
* make this too complex.
*/
- while (bio->bi_phys_segments >= q->max_phys_segments
- || bio->bi_phys_segments >= q->max_hw_segments) {
+ while (bio->bi_phys_segments >= queue_max_phys_segments(q)
+ || bio->bi_phys_segments >= queue_max_hw_segments(q)) {
if (retried_segments)
return 0;
int bio_add_pc_page(struct request_queue *q, struct bio *bio, struct page *page,
unsigned int len, unsigned int offset)
{
- return __bio_add_page(q, bio, page, len, offset, q->max_hw_sectors);
+ return __bio_add_page(q, bio, page, len, offset,
+ queue_max_hw_sectors(q));
}
/**
unsigned int offset)
{
struct request_queue *q = bdev_get_queue(bio->bi_bdev);
- return __bio_add_page(q, bio, page, len, offset, q->max_sectors);
+ return __bio_add_page(q, bio, page, len, offset, queue_max_sectors(q));
}
struct bio_map_data {
while (bv_len && iov_idx < iov_count) {
unsigned int bytes;
- char *iov_addr;
+ char __user *iov_addr;
bytes = min_t(unsigned int,
iov[iov_idx].iov_len - iov_off, bv_len);
char *addr = page_address(bvec->bv_page);
int len = bmd->iovecs[i].bv_len;
- if (read && !err)
+ if (read)
memcpy(p, addr, len);
__free_page(bvec->bv_page);
sector_t bio_sector_offset(struct bio *bio, unsigned short index,
unsigned int offset)
{
- unsigned int sector_sz = queue_hardsect_size(bio->bi_bdev->bd_disk->queue);
+ unsigned int sector_sz;
struct bio_vec *bv;
sector_t sectors;
int i;
+ sector_sz = queue_logical_block_size(bio->bi_bdev->bd_disk->queue);
sectors = 0;
if (index >= bio->bi_idx)