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Btrfs: Clone file data ioctl

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Add a new ioctl to clone file data

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Sage Weil
2008-05-02 14:43:14 -04:00
committed by Chris Mason
parent d6bfde8765
commit f2eb0a241f
5 changed files with 179 additions and 11 deletions
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4
fs/btrfs/ctree.h
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@@ -1516,9 +1516,9 @@ int btrfs_lookup_inode(struct btrfs_trans_handle *trans, struct btrfs_root
/* file-item.c */
int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
u64 objectid, u64 pos, u64 offset,
u64 objectid, u64 pos, u64 disk_offset,
u64 disk_num_bytes,
u64 num_bytes);
u64 num_bytes, u64 offset);
int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_path *path, u64 objectid,