From 2aaa66558172b017f36bf38ae69372813dedee9d Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Wed, 29 Aug 2012 14:27:18 -0400 Subject: Btrfs: add hole punching This patch adds hole punching via fallocate. Thanks, Signed-off-by: Josef Bacik --- fs/btrfs/ctree.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'fs/btrfs/ctree.h') diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 71d6ff13d76e..88adfe638409 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3250,6 +3250,8 @@ int btrfs_unlink_subvol(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *dir, u64 objectid, const char *name, int name_len); +int btrfs_truncate_page(struct inode *inode, loff_t from, loff_t len, + int front); int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, u64 new_size, @@ -3323,7 +3325,7 @@ extern const struct file_operations btrfs_file_operations; int __btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, struct btrfs_path *path, u64 start, u64 end, - int drop_cache); + u64 *drop_end, int drop_cache); int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, u64 start, u64 end, int drop_cache); -- cgit