static int btree_readpage(struct file *file, struct page *page)
{
- struct extent_io_tree *tree;
- tree = &BTRFS_I(page->mapping->host)->io_tree;
- return extent_read_full_page(tree, page, btree_get_extent, 0);
+ return extent_read_full_page(page, btree_get_extent, 0);
}
static int btree_releasepage(struct page *page, gfp_t gfp_flags)
return ret;
}
-int extent_read_full_page(struct extent_io_tree *tree, struct page *page,
- get_extent_t *get_extent, int mirror_num)
+int extent_read_full_page(struct page *page, get_extent_t *get_extent,
+ int mirror_num)
{
struct bio *bio = NULL;
unsigned long bio_flags = 0;
+ struct extent_io_tree *tree = &BTRFS_I(page->mapping->host)->io_tree;
int ret;
- ASSERT(tree == &BTRFS_I(page->mapping->host)->io_tree);
-
ret = __extent_read_full_page(tree, page, get_extent, &bio, mirror_num,
&bio_flags, 0);
if (bio)
int try_release_extent_mapping(struct page *page, gfp_t mask);
int try_release_extent_buffer(struct page *page);
-int extent_read_full_page(struct extent_io_tree *tree, struct page *page,
- get_extent_t *get_extent, int mirror_num);
+int extent_read_full_page(struct page *page, get_extent_t *get_extent,
+ int mirror_num);
int extent_write_full_page(struct page *page, struct writeback_control *wbc);
int extent_write_locked_range(struct inode *inode, u64 start, u64 end,
int mode);
int btrfs_readpage(struct file *file, struct page *page)
{
- struct extent_io_tree *tree;
- tree = &BTRFS_I(page->mapping->host)->io_tree;
- return extent_read_full_page(tree, page, btrfs_get_extent, 0);
+ return extent_read_full_page(page, btrfs_get_extent, 0);
}
static int btrfs_writepage(struct page *page, struct writeback_control *wbc)