All callers pass btree_get_extent, which needs to be exported.
Signed-off-by: David Sterba <[email protected]>
---
fs/btrfs/disk-io.c | 8 ++++----
fs/btrfs/disk-io.h | 3 +++
fs/btrfs/extent_io.c | 6 +++---
fs/btrfs/extent_io.h | 2 +-
4 files changed, 11 insertions(+), 8 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 5713c50959e0..149be7c5d237 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -220,7 +220,7 @@ void btrfs_set_buffer_lockdep_class(u64 objectid, struct
extent_buffer *eb,
* extents on the btree inode are pretty simple, there's one extent
* that covers the entire device
*/
-static struct extent_map *btree_get_extent(struct btrfs_inode *inode,
+struct extent_map *btree_get_extent(struct btrfs_inode *inode,
struct page *page, size_t pg_offset, u64 start, u64 len,
int create)
{
@@ -455,7 +455,7 @@ static int btree_read_extent_buffer_pages(struct
btrfs_fs_info *fs_info,
io_tree = &BTRFS_I(fs_info->btree_inode)->io_tree;
while (1) {
ret = read_extent_buffer_pages(io_tree, eb, WAIT_COMPLETE,
- btree_get_extent, mirror_num);
+ mirror_num);
if (!ret) {
if (!verify_parent_transid(io_tree, eb,
parent_transid, 0))
@@ -1012,7 +1012,7 @@ void readahead_tree_block(struct btrfs_fs_info *fs_info,
u64 bytenr)
if (IS_ERR(buf))
return;
read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree,
- buf, WAIT_NONE, btree_get_extent, 0);
+ buf, WAIT_NONE, 0);
free_extent_buffer(buf);
}
@@ -1031,7 +1031,7 @@ int reada_tree_block_flagged(struct btrfs_fs_info
*fs_info, u64 bytenr,
set_bit(EXTENT_BUFFER_READAHEAD, &buf->bflags);
ret = read_extent_buffer_pages(io_tree, buf, WAIT_PAGE_LOCK,
- btree_get_extent, mirror_num);
+ mirror_num);
if (ret) {
free_extent_buffer(buf);
return ret;
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 7f7c35d6347a..301151a50ac1 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -149,6 +149,9 @@ struct btrfs_root *btrfs_create_tree(struct
btrfs_trans_handle *trans,
u64 objectid);
int btree_lock_page_hook(struct page *page, void *data,
void (*flush_fn)(void *));
+struct extent_map *btree_get_extent(struct btrfs_inode *inode,
+ struct page *page, size_t pg_offset, u64 start, u64 len,
+ int create);
int btrfs_get_num_tolerated_disk_barrier_failures(u64 flags);
int __init btrfs_end_io_wq_init(void);
void btrfs_end_io_wq_exit(void);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 72620cf41423..2f6a977442c3 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -20,6 +20,7 @@
#include "locking.h"
#include "rcu-string.h"
#include "backref.h"
+#include "disk-io.h"
static struct kmem_cache *extent_state_cache;
static struct kmem_cache *extent_buffer_cache;
@@ -5258,8 +5259,7 @@ int extent_buffer_uptodate(struct extent_buffer *eb)
}
int read_extent_buffer_pages(struct extent_io_tree *tree,
- struct extent_buffer *eb, int wait,
- get_extent_t *get_extent, int mirror_num)
+ struct extent_buffer *eb, int wait, int mirror_num)
{
unsigned long i;
struct page *page;
@@ -5319,7 +5319,7 @@ int read_extent_buffer_pages(struct extent_io_tree *tree,
ClearPageError(page);
err = __extent_read_full_page(tree, page,
- get_extent, &bio,
+ btree_get_extent, &bio,
mirror_num, &bio_flags,
REQ_META);
if (err) {
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 5295deb8a153..40291e27782c 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -431,7 +431,7 @@ void free_extent_buffer_stale(struct extent_buffer *eb);
#define WAIT_PAGE_LOCK 2
int read_extent_buffer_pages(struct extent_io_tree *tree,
struct extent_buffer *eb, int wait,
- get_extent_t *get_extent, int mirror_num);
+ int mirror_num);
void wait_on_extent_buffer_writeback(struct extent_buffer *eb);
static inline unsigned long num_extent_pages(u64 start, u64 len)
--
2.14.3
--
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