Commit c8f2f24b authored by Josef Bacik's avatar Josef Bacik

Btrfs: remove unused extent io tree ops V2

Nobody uses these io tree ops anymore so just remove them and clean up the code
a bit.  Thanks,
Signed-off-by: default avatarJosef Bacik <jbacik@fusionio.com>
parent 210549eb
......@@ -2646,6 +2646,8 @@ static int __extent_read_full_page(struct extent_io_tree *tree,
}
}
while (cur <= end) {
unsigned long pnr = (last_byte >> PAGE_CACHE_SHIFT) + 1;
if (cur >= last_byte) {
char *userpage;
struct extent_state *cached = NULL;
......@@ -2733,13 +2735,6 @@ static int __extent_read_full_page(struct extent_io_tree *tree,
continue;
}
ret = 0;
if (tree->ops && tree->ops->readpage_io_hook) {
ret = tree->ops->readpage_io_hook(page, cur,
cur + iosize - 1);
}
if (!ret) {
unsigned long pnr = (last_byte >> PAGE_CACHE_SHIFT) + 1;
pnr -= page->index;
ret = submit_extent_page(READ, tree, page,
sector, disk_io_size, pg_offset,
......@@ -2750,9 +2745,7 @@ static int __extent_read_full_page(struct extent_io_tree *tree,
if (!ret) {
nr++;
*bio_flags = this_bio_flag;
}
}
if (ret) {
} else {
SetPageError(page);
unlock_extent(tree, cur, cur + iosize - 1);
}
......@@ -3441,16 +3434,10 @@ static int extent_write_cache_pages(struct extent_io_tree *tree,
* swizzled back from swapper_space to tmpfs file
* mapping
*/
if (tree->ops &&
tree->ops->write_cache_pages_lock_hook) {
tree->ops->write_cache_pages_lock_hook(page,
data, flush_fn);
} else {
if (!trylock_page(page)) {
flush_fn(data);
lock_page(page);
}
}
if (unlikely(page->mapping != mapping)) {
unlock_page(page);
......
......@@ -75,7 +75,6 @@ struct extent_io_ops {
int (*merge_bio_hook)(struct page *page, unsigned long offset,
size_t size, struct bio *bio,
unsigned long bio_flags);
int (*readpage_io_hook)(struct page *page, u64 start, u64 end);
int (*readpage_io_failed_hook)(struct page *page, int failed_mirror);
int (*readpage_end_io_hook)(struct page *page, u64 start, u64 end,
struct extent_state *state, int mirror);
......@@ -90,8 +89,6 @@ struct extent_io_ops {
struct extent_state *other);
void (*split_extent_hook)(struct inode *inode,
struct extent_state *orig, u64 split);
int (*write_cache_pages_lock_hook)(struct page *page, void *data,
void (*flush_fn)(void *));
};
struct extent_io_tree {
......
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