The use of sector_t in the callchain of submit_extent_page is not
necessary, we'll pass plain u64 and avoid any con(tro)versions of sector_t.
Signed-off-by: David Sterba <dsterba@xxxxxxxx>
---
fs/btrfs/extent_io.c | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index ea9ab934794b..8d0834ee792b 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2761,7 +2761,7 @@ static int merge_bio(struct extent_io_tree *tree, struct page *page,
*/
static int submit_extent_page(unsigned int opf, struct extent_io_tree *tree,
struct writeback_control *wbc,
- struct page *page, sector_t sector,
+ struct page *page, u64 offset,
size_t size, unsigned long pg_offset,
struct block_device *bdev,
struct bio **bio_ret,
@@ -2776,6 +2776,7 @@ static int submit_extent_page(unsigned int opf, struct extent_io_tree *tree,
int contig = 0;
int old_compressed = prev_bio_flags & EXTENT_BIO_COMPRESSED;
size_t page_size = min_t(size_t, size, PAGE_SIZE);
+ sector_t sector = offset >> 9;
if (bio_ret && *bio_ret) {
bio = *bio_ret;
@@ -2801,7 +2802,7 @@ static int submit_extent_page(unsigned int opf, struct extent_io_tree *tree,
}
}
- bio = btrfs_bio_alloc(bdev, sector << 9);
+ bio = btrfs_bio_alloc(bdev, offset);
bio_add_page(bio, page, page_size, pg_offset);
bio->bi_end_io = end_io_func;
bio->bi_private = tree;
@@ -2892,7 +2893,6 @@ static int __do_readpage(struct extent_io_tree *tree,
u64 last_byte = i_size_read(inode);
u64 block_start;
u64 cur_end;
- sector_t sector;
struct extent_map *em;
struct block_device *bdev;
int ret = 0;
@@ -2928,6 +2928,7 @@ static int __do_readpage(struct extent_io_tree *tree,
}
while (cur <= end) {
bool force_bio_submit = false;
+ u64 offset;
if (cur >= last_byte) {
char *userpage;
@@ -2967,9 +2968,9 @@ static int __do_readpage(struct extent_io_tree *tree,
iosize = ALIGN(iosize, blocksize);
if (this_bio_flag & EXTENT_BIO_COMPRESSED) {
disk_io_size = em->block_len;
- sector = em->block_start >> 9;
+ offset = em->block_start;
} else {
- sector = (em->block_start + extent_offset) >> 9;
+ offset = em->block_start + extent_offset;
disk_io_size = iosize;
}
bdev = em->bdev;
@@ -3062,8 +3063,8 @@ static int __do_readpage(struct extent_io_tree *tree,
}
ret = submit_extent_page(REQ_OP_READ | read_flags, tree, NULL,
- page, sector, disk_io_size, pg_offset,
- bdev, bio,
+ page, offset, disk_io_size,
+ pg_offset, bdev, bio,
end_bio_extent_readpage, mirror_num,
*bio_flags,
this_bio_flag,
@@ -3324,7 +3325,6 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
u64 extent_offset;
u64 block_start;
u64 iosize;
- sector_t sector;
struct extent_map *em;
struct block_device *bdev;
size_t pg_offset = 0;
@@ -3367,6 +3367,7 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
while (cur <= end) {
u64 em_end;
+ u64 offset;
if (cur >= i_size) {
if (tree->ops && tree->ops->writepage_end_io_hook)
@@ -3388,7 +3389,7 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
BUG_ON(end < cur);
iosize = min(em_end - cur, end - cur + 1);
iosize = ALIGN(iosize, blocksize);
- sector = (em->block_start + extent_offset) >> 9;
+ offset = em->block_start + extent_offset;
bdev = em->bdev;
block_start = em->block_start;
compressed = test_bit(EXTENT_FLAG_COMPRESSED, &em->flags);
@@ -3431,7 +3432,7 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
}
ret = submit_extent_page(REQ_OP_WRITE | write_flags, tree, wbc,
- page, sector, iosize, pg_offset,
+ page, offset, iosize, pg_offset,
bdev, &epd->bio,
end_bio_extent_writepage,
0, 0, 0, false);
@@ -3748,7 +3749,7 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb,
clear_page_dirty_for_io(p);
set_page_writeback(p);
ret = submit_extent_page(REQ_OP_WRITE | write_flags, tree, wbc,
- p, offset >> 9, PAGE_SIZE, 0, bdev,
+ p, offset, PAGE_SIZE, 0, bdev,
&epd->bio,
end_bio_extent_buffer_writepage,
0, epd->bio_flags, bio_flags, false);
--
2.14.0
--
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