Btrfs: Delete csum items when freeing extents

[linux-2.6-omap-h63xx.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f72b43819349a9124dcb2a511a1bf59422be2f19..5b0c79d22c099f37786024675e6c67142771d2ff 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -409,6 +409,12 @@ struct btrfs_path {
        int keep_locks;
        int skip_locking;
        int lowest_level;
+
+       /*
+        * set by btrfs_split_item, tells search_slot to keep all locks
+        * and to force calls to keep space in the nodes
+        */
+       int search_for_split;
 };
 
 /*
@@ -1816,6 +1822,11 @@ int btrfs_truncate_item(struct btrfs_trans_handle *trans,
                        struct btrfs_root *root,
                        struct btrfs_path *path,
                        u32 new_size, int from_end);
+int btrfs_split_item(struct btrfs_trans_handle *trans,
+                    struct btrfs_root *root,
+                    struct btrfs_path *path,
+                    struct btrfs_key *new_key,
+                    unsigned long split_offset);
 int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root
                      *root, struct btrfs_key *key, struct btrfs_path *p, int
                      ins_len, int cow);
@@ -1953,6 +1964,8 @@ int btrfs_lookup_inode(struct btrfs_trans_handle *trans, struct btrfs_root
                       struct btrfs_key *location, int mod);
 
 /* file-item.c */
+int btrfs_del_csums(struct btrfs_trans_handle *trans,
+                   struct btrfs_root *root, u64 bytenr, u64 len);
 int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode,
                          struct bio *bio, u32 *dst);
 int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,