38 	struct super_block *sb = _sb;  in bdev_readpage()  local
39 	struct block_device *bdev = logfs_super(sb)->s_bdev;  in bdev_readpage()
61 	struct super_block *sb = bio->bi_private;  in writeseg_end_io()  local
62 	struct logfs_super *super = logfs_super(sb);  in writeseg_end_io()
76 static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index,  in __bdev_writeseg()  argument
79 	struct logfs_super *super = logfs_super(sb);  in __bdev_writeseg()
98 			bio->bi_private = sb;  in __bdev_writeseg()
125 	bio->bi_private = sb;  in __bdev_writeseg()
132 static void bdev_writeseg(struct super_block *sb, u64 ofs, size_t len)  in bdev_writeseg()  argument
134 	struct logfs_super *super = logfs_super(sb);  in bdev_writeseg()
152 	__bdev_writeseg(sb, ofs, ofs >> PAGE_SHIFT, len >> PAGE_SHIFT);  in bdev_writeseg()
159 	struct super_block *sb = bio->bi_private;   in erase_end_io()  local
160 	struct logfs_super *super = logfs_super(sb);   in erase_end_io()
170 static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index,  in do_erase()  argument
173 	struct logfs_super *super = logfs_super(sb);  in do_erase()
190 			bio->bi_private = sb;  in do_erase()
211 	bio->bi_private = sb;  in do_erase()
218 static int bdev_erase(struct super_block *sb, loff_t to, size_t len,  in bdev_erase()  argument
221 	struct logfs_super *super = logfs_super(sb);  in bdev_erase()
236 		do_erase(sb, to, to >> PAGE_SHIFT, len >> PAGE_SHIFT);  in bdev_erase()
242 static void bdev_sync(struct super_block *sb)  in bdev_sync()  argument
244 	struct logfs_super *super = logfs_super(sb);  in bdev_sync()
249 static struct page *bdev_find_first_sb(struct super_block *sb, u64 *ofs)  in bdev_find_first_sb()  argument
251 	struct logfs_super *super = logfs_super(sb);  in bdev_find_first_sb()
256 	return read_cache_page(mapping, 0, filler, sb);  in bdev_find_first_sb()
259 static struct page *bdev_find_last_sb(struct super_block *sb, u64 *ofs)  in bdev_find_last_sb()  argument
261 	struct logfs_super *super = logfs_super(sb);  in bdev_find_last_sb()
268 	return read_cache_page(mapping, index, filler, sb);  in bdev_find_last_sb()
271 static int bdev_write_sb(struct super_block *sb, struct page *page)  in bdev_write_sb()  argument
273 	struct block_device *bdev = logfs_super(sb)->s_bdev;  in bdev_write_sb()
284 static int bdev_can_write_buf(struct super_block *sb, u64 ofs)  in bdev_can_write_buf()  argument