ext4: refactor ext4_move_extents code base

[mirror_ubuntu-zesty-kernel.git] / fs / ext4 / ext4.h

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 420c9be9f7ae3ba3ff13f931d3e969c6826c574a..cf3ad75d3015a717298cf0bf374974c09f7e7d74 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2740,10 +2740,15 @@ extern int ext4_find_delalloc_range(struct inode *inode,
                                    ext4_lblk_t lblk_start,
                                    ext4_lblk_t lblk_end);
 extern int ext4_find_delalloc_cluster(struct inode *inode, ext4_lblk_t lblk);
+extern ext4_lblk_t ext4_ext_next_allocated_block(struct ext4_ext_path *path);
 extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
                        __u64 start, __u64 len);
 extern int ext4_ext_precache(struct inode *inode);
 extern int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len);
+extern int ext4_swap_extents(handle_t *handle, struct inode *inode1,
+                               struct inode *inode2, ext4_lblk_t lblk1,
+                            ext4_lblk_t lblk2,  ext4_lblk_t count,
+                            int mark_unwritten,int *err);
 
 /* move_extent.c */
 extern void ext4_double_down_write_data_sem(struct inode *first,