btrfs: remove unused parameter from submit_extent_page
This used to hold number of maximum pages to allocate, but this is now
limited by BIO_MAX_PAGES. The local are now unused and removed as well.
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 9140847..82cbdc2 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2759,7 +2759,6 @@ static int submit_extent_page(int op, int op_flags, struct extent_io_tree *tree,
size_t size, unsigned long offset,
struct block_device *bdev,
struct bio **bio_ret,
- unsigned long max_pages,
bio_end_io_t end_io_func,
int mirror_num,
unsigned long prev_bio_flags,
@@ -2925,7 +2924,6 @@ static int __do_readpage(struct extent_io_tree *tree,
}
}
while (cur <= end) {
- unsigned long pnr = (last_byte >> PAGE_SHIFT) + 1;
bool force_bio_submit = false;
if (cur >= last_byte) {
@@ -3060,10 +3058,9 @@ static int __do_readpage(struct extent_io_tree *tree,
continue;
}
- pnr -= page->index;
ret = submit_extent_page(REQ_OP_READ, read_flags, tree, NULL,
page, sector, disk_io_size, pg_offset,
- bdev, bio, pnr,
+ bdev, bio,
end_bio_extent_readpage, mirror_num,
*bio_flags,
this_bio_flag,
@@ -3366,7 +3363,6 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
while (cur <= end) {
u64 em_end;
- unsigned long max_nr;
if (cur >= i_size) {
if (tree->ops && tree->ops->writepage_end_io_hook)
@@ -3423,8 +3419,6 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
continue;
}
- max_nr = (i_size >> PAGE_SHIFT) + 1;
-
set_range_writeback(tree, cur, cur + iosize - 1);
if (!PageWriteback(page)) {
btrfs_err(BTRFS_I(inode)->root->fs_info,
@@ -3434,7 +3428,7 @@ 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,
- bdev, &epd->bio, max_nr,
+ bdev, &epd->bio,
end_bio_extent_writepage,
0, 0, 0, false);
if (ret) {
@@ -3751,7 +3745,7 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb,
set_page_writeback(p);
ret = submit_extent_page(REQ_OP_WRITE, write_flags, tree, wbc,
p, offset >> 9, PAGE_SIZE, 0, bdev,
- &epd->bio, -1,
+ &epd->bio,
end_bio_extent_buffer_writepage,
0, epd->bio_flags, bio_flags, false);
epd->bio_flags = bio_flags;