Btrfs: remove dead codes from ctree.h

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=9650e05c071fc92e704d4359d59e3ac3ecae2875
Commit:     9650e05c071fc92e704d4359d59e3ac3ecae2875
Parent:     b52abf1e3b65b4fbd42b39412e040b561faec6a6
Author:     Wang Shilong <wangsl.fnst at cn.fujitsu.com>
AuthorDate: Tue Nov 12 19:32:04 2013 +0800
Committer:  Chris Mason <chris.mason at fusionio.com>
CommitDate: Wed Nov 20 20:44:45 2013 -0500

    Btrfs: remove dead codes from ctree.h
    
    These two functions are only stated but undefined.
    
    Signed-off-by: Wang Shilong <wangsl.fnst at cn.fujitsu.com>
    Signed-off-by: Josef Bacik <jbacik at fusionio.com>
    Signed-off-by: Chris Mason <chris.mason at fusionio.com>
---
 fs/btrfs/ctree.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f9aeb27..54ab861 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3613,9 +3613,6 @@ int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,
 			   struct btrfs_ordered_sum *sums);
 int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode,
 		       struct bio *bio, u64 file_start, int contig);
-int btrfs_csum_truncate(struct btrfs_trans_handle *trans,
-			struct btrfs_root *root, struct btrfs_path *path,
-			u64 isize);
 int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
 			     struct list_head *list, int search_commit);
 /* inode.c */
@@ -3744,9 +3741,6 @@ void btrfs_cleanup_defrag_inodes(struct btrfs_fs_info *fs_info);
 int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
 void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
 			     int skip_pinned);
-int btrfs_replace_extent_cache(struct inode *inode, struct extent_map *replace,
-			       u64 start, u64 end, int skip_pinned,
-			       int modified);
 extern const struct file_operations btrfs_file_operations;
 int __btrfs_drop_extents(struct btrfs_trans_handle *trans,
 			 struct btrfs_root *root, struct inode *inode,