btrfs: temporarily export alloc_extent_state helpers

We're going to move this code in stages, but while we're doing that we
need to export these helpers so we can more easily move the code into
the new file.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent-io-tree.h b/fs/btrfs/extent-io-tree.h
index 6c2016db304b5194171b1084f93c2d77621bccd0..8e7a548b88e90248974bd166612b123b4c253565 100644 (file)
--- a/fs/btrfs/extent-io-tree.h
+++ b/fs/btrfs/extent-io-tree.h
@@ -250,4 +250,7 @@ void btrfs_free_io_failure_record(struct btrfs_inode *inode, u64 start,
 int btrfs_clean_io_failure(struct btrfs_inode *inode, u64 start,
                           struct page *page, unsigned int pg_offset);
 
+struct extent_state *alloc_extent_state_atomic(struct extent_state *prealloc);
+struct extent_state *alloc_extent_state(gfp_t mask);
+
 #endif /* BTRFS_EXTENT_IO_TREE_H */

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index cf57696d6a89c1481fa3ce0ab3884efba7053e8a..3c630942253c40a06672126fe4356730e8e40ec0 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -339,7 +339,7 @@ void extent_io_tree_release(struct extent_io_tree *tree)
        spin_unlock(&tree->lock);
 }
 
-static struct extent_state *alloc_extent_state(gfp_t mask)
+struct extent_state *alloc_extent_state(gfp_t mask)
 {
        struct extent_state *state;
 
@@ -710,8 +710,7 @@ static struct extent_state *clear_state_bit(struct extent_io_tree *tree,
        return next;
 }
 
-static struct extent_state *
-alloc_extent_state_atomic(struct extent_state *prealloc)
+struct extent_state *alloc_extent_state_atomic(struct extent_state *prealloc)
 {
        if (!prealloc)
                prealloc = alloc_extent_state(GFP_ATOMIC);