btrfs: drop bdev argument from submit_extent_page

After previous patches removing bdev being passed around to set it to
bio, it has become unused in submit_extent_page. So it now has "only" 13
parameters.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 586f9a1..eb8bd02 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2929,7 +2929,6 @@ struct bio *btrfs_bio_clone_partial(struct bio *orig, int offset, int size)
  *              a contiguous page to the previous one
  * @size:      portion of page that we want to write
  * @offset:    starting offset in the page
- * @bdev:      attach newly created bios to this bdev
  * @bio_ret:   must be valid pointer, newly allocated bio will be stored there
  * @end_io_func:     end_io callback for new bio
  * @mirror_num:             desired mirror to read/write
@@ -2940,7 +2939,6 @@ static int submit_extent_page(unsigned int opf, struct extent_io_tree *tree,
                              struct writeback_control *wbc,
                              struct page *page, u64 offset,
                              size_t size, unsigned long pg_offset,
-                             struct block_device *bdev,
                              struct bio **bio_ret,
                              bio_end_io_t end_io_func,
                              int mirror_num,
@@ -3077,7 +3075,6 @@ static int __do_readpage(struct extent_io_tree *tree,
        u64 block_start;
        u64 cur_end;
        struct extent_map *em;
-       struct block_device *bdev;
        int ret = 0;
        int nr = 0;
        size_t pg_offset = 0;
@@ -3243,7 +3240,7 @@ static int __do_readpage(struct extent_io_tree *tree,
 
                ret = submit_extent_page(REQ_OP_READ | read_flags, tree, NULL,
                                         page, offset, disk_io_size,
-                                        pg_offset, bdev, bio,
+                                        pg_offset, bio,
                                         end_bio_extent_readpage, mirror_num,
                                         *bio_flags,
                                         this_bio_flag,
@@ -3431,7 +3428,6 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
        u64 block_start;
        u64 iosize;
        struct extent_map *em;
-       struct block_device *bdev;
        size_t pg_offset = 0;
        size_t blocksize;
        int ret = 0;
@@ -3531,7 +3527,7 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
 
                ret = submit_extent_page(REQ_OP_WRITE | write_flags, tree, wbc,
                                         page, offset, iosize, pg_offset,
-                                        bdev, &epd->bio,
+                                        &epd->bio,
                                         end_bio_extent_writepage,
                                         0, 0, 0, false);
                if (ret) {
@@ -3857,7 +3853,6 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb,
                        struct extent_page_data *epd)
 {
        struct btrfs_fs_info *fs_info = eb->fs_info;
-       struct block_device *bdev = fs_info->fs_devices->latest_bdev;
        struct extent_io_tree *tree = &BTRFS_I(fs_info->btree_inode)->io_tree;
        u64 offset = eb->start;
        u32 nritems;
@@ -3892,7 +3887,7 @@ 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, PAGE_SIZE, 0, bdev,
+                                        p, offset, PAGE_SIZE, 0,
                                         &epd->bio,
                                         end_bio_extent_buffer_writepage,
                                         0, 0, 0, false);