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-rw-r--r--include/linux/bio.h16
-rw-r--r--include/linux/blk_types.h19
-rw-r--r--include/trace/events/bcache.h26
-rw-r--r--include/trace/events/block.h26
-rw-r--r--include/trace/events/f2fs.h4
5 files changed, 48 insertions, 43 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 060ff695085c..e2e0bc642ed1 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -62,19 +62,19 @@
* on highmem page vectors
*/
#define bio_iovec_idx(bio, idx) (&((bio)->bi_io_vec[(idx)]))
-#define bio_iovec(bio) bio_iovec_idx((bio), (bio)->bi_idx)
+#define bio_iovec(bio) bio_iovec_idx((bio), (bio)->bi_iter.bi_idx)
#define bio_page(bio) bio_iovec((bio))->bv_page
#define bio_offset(bio) bio_iovec((bio))->bv_offset
-#define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_idx)
-#define bio_sectors(bio) ((bio)->bi_size >> 9)
-#define bio_end_sector(bio) ((bio)->bi_sector + bio_sectors((bio)))
+#define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_iter.bi_idx)
+#define bio_sectors(bio) ((bio)->bi_iter.bi_size >> 9)
+#define bio_end_sector(bio) ((bio)->bi_iter.bi_sector + bio_sectors((bio)))
static inline unsigned int bio_cur_bytes(struct bio *bio)
{
if (bio->bi_vcnt)
return bio_iovec(bio)->bv_len;
else /* dataless requests such as discard */
- return bio->bi_size;
+ return bio->bi_iter.bi_size;
}
static inline void *bio_data(struct bio *bio)
@@ -108,7 +108,7 @@ static inline void *bio_data(struct bio *bio)
*/
#define __BVEC_END(bio) bio_iovec_idx((bio), (bio)->bi_vcnt - 1)
-#define __BVEC_START(bio) bio_iovec_idx((bio), (bio)->bi_idx)
+#define __BVEC_START(bio) bio_iovec_idx((bio), (bio)->bi_iter.bi_idx)
/* Default implementation of BIOVEC_PHYS_MERGEABLE */
#define __BIOVEC_PHYS_MERGEABLE(vec1, vec2) \
@@ -150,7 +150,7 @@ static inline void *bio_data(struct bio *bio)
i++)
#define bio_for_each_segment(bvl, bio, i) \
- for (i = (bio)->bi_idx; \
+ for (i = (bio)->bi_iter.bi_idx; \
bvl = bio_iovec_idx((bio), (i)), i < (bio)->bi_vcnt; \
i++)
@@ -365,7 +365,7 @@ static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx,
#define __bio_kunmap_irq(buf, flags) bvec_kunmap_irq(buf, flags)
#define bio_kmap_irq(bio, flags) \
- __bio_kmap_irq((bio), (bio)->bi_idx, (flags))
+ __bio_kmap_irq((bio), (bio)->bi_iter.bi_idx, (flags))
#define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags)
/*
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 238ef0ed62f8..29b5b84d8a29 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -28,13 +28,19 @@ struct bio_vec {
unsigned int bv_offset;
};
+struct bvec_iter {
+ sector_t bi_sector; /* device address in 512 byte
+ sectors */
+ unsigned int bi_size; /* residual I/O count */
+
+ unsigned int bi_idx; /* current index into bvl_vec */
+};
+
/*
* main unit of I/O for the block layer and lower layers (ie drivers and
* stacking drivers)
*/
struct bio {
- sector_t bi_sector; /* device address in 512 byte
- sectors */
struct bio *bi_next; /* request queue link */
struct block_device *bi_bdev;
unsigned long bi_flags; /* status, command, etc */
@@ -42,16 +48,13 @@ struct bio {
* top bits priority
*/
- unsigned short bi_vcnt; /* how many bio_vec's */
- unsigned short bi_idx; /* current index into bvl_vec */
+ struct bvec_iter bi_iter;
/* Number of segments in this BIO after
* physical address coalescing is performed.
*/
unsigned int bi_phys_segments;
- unsigned int bi_size; /* residual I/O count */
-
/*
* To keep track of the max segment size, we account for the
* sizes of the first and last mergeable segments in this bio.
@@ -74,11 +77,13 @@ struct bio {
struct bio_integrity_payload *bi_integrity; /* data integrity */
#endif
+ unsigned short bi_vcnt; /* how many bio_vec's */
+
/*
* Everything starting with bi_max_vecs will be preserved by bio_reset()
*/
- unsigned int bi_max_vecs; /* max bvl_vecs we can hold */
+ unsigned short bi_max_vecs; /* max bvl_vecs we can hold */
atomic_t bi_cnt; /* pin count */
diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h
index e2b9576d00e2..095c6e4fe1e8 100644
--- a/include/trace/events/bcache.h
+++ b/include/trace/events/bcache.h
@@ -24,10 +24,10 @@ DECLARE_EVENT_CLASS(bcache_request,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->orig_major = d->disk->major;
__entry->orig_minor = d->disk->first_minor;
- __entry->sector = bio->bi_sector;
- __entry->orig_sector = bio->bi_sector - 16;
- __entry->nr_sector = bio->bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ __entry->sector = bio->bi_iter.bi_sector;
+ __entry->orig_sector = bio->bi_iter.bi_sector - 16;
+ __entry->nr_sector = bio->bi_iter.bi_size >> 9;
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)",
@@ -99,9 +99,9 @@ DECLARE_EVENT_CLASS(bcache_bio,
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
- __entry->sector = bio->bi_sector;
- __entry->nr_sector = bio->bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ __entry->sector = bio->bi_iter.bi_sector;
+ __entry->nr_sector = bio->bi_iter.bi_size >> 9;
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u",
@@ -134,9 +134,9 @@ TRACE_EVENT(bcache_read,
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
- __entry->sector = bio->bi_sector;
- __entry->nr_sector = bio->bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ __entry->sector = bio->bi_iter.bi_sector;
+ __entry->nr_sector = bio->bi_iter.bi_size >> 9;
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
__entry->cache_hit = hit;
__entry->bypass = bypass;
),
@@ -162,9 +162,9 @@ TRACE_EVENT(bcache_write,
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
- __entry->sector = bio->bi_sector;
- __entry->nr_sector = bio->bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ __entry->sector = bio->bi_iter.bi_sector;
+ __entry->nr_sector = bio->bi_iter.bi_size >> 9;
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
__entry->writeback = writeback;
__entry->bypass = bypass;
),
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 4c2301d2ef1a..e76ae19a8d6f 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -243,9 +243,9 @@ TRACE_EVENT(block_bio_bounce,
TP_fast_assign(
__entry->dev = bio->bi_bdev ?
bio->bi_bdev->bd_dev : 0;
- __entry->sector = bio->bi_sector;
+ __entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -280,10 +280,10 @@ TRACE_EVENT(block_bio_complete,
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
- __entry->sector = bio->bi_sector;
+ __entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
__entry->error = error;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u [%d]",
@@ -308,9 +308,9 @@ DECLARE_EVENT_CLASS(block_bio_merge,
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
- __entry->sector = bio->bi_sector;
+ __entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -375,9 +375,9 @@ TRACE_EVENT(block_bio_queue,
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
- __entry->sector = bio->bi_sector;
+ __entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -403,7 +403,7 @@ DECLARE_EVENT_CLASS(block_get_rq,
TP_fast_assign(
__entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
- __entry->sector = bio ? bio->bi_sector : 0;
+ __entry->sector = bio ? bio->bi_iter.bi_sector : 0;
__entry->nr_sector = bio ? bio_sectors(bio) : 0;
blk_fill_rwbs(__entry->rwbs,
bio ? bio->bi_rw : 0, __entry->nr_sector);
@@ -538,9 +538,9 @@ TRACE_EVENT(block_split,
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
- __entry->sector = bio->bi_sector;
+ __entry->sector = bio->bi_iter.bi_sector;
__entry->new_sector = new_sector;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -579,11 +579,11 @@ TRACE_EVENT(block_bio_remap,
TP_fast_assign(
__entry->dev = bio->bi_bdev->bd_dev;
- __entry->sector = bio->bi_sector;
+ __entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
__entry->old_dev = dev;
__entry->old_sector = from;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index e0dc355fa317..bd3ee4fbe7a7 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -616,8 +616,8 @@ TRACE_EVENT(f2fs_do_submit_bio,
__entry->dev = sb->s_dev;
__entry->btype = btype;
__entry->sync = sync;
- __entry->sector = bio->bi_sector;
- __entry->size = bio->bi_size;
+ __entry->sector = bio->bi_iter.bi_sector;
+ __entry->size = bio->bi_iter.bi_size;
),
TP_printk("dev = (%d,%d), type = %s, io = %s, sector = %lld, size = %u",
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