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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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2
fs/btrfs/file.c
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@@ -285,7 +285,7 @@ static int noinline dirty_and_release_pages(struct btrfs_trans_handle *trans,
err = btrfs_insert_file_extent(trans, root,
inode->i_ino,
last_pos_in_file,
0, 0, hole_size);
0, 0, hole_size, 0);
btrfs_drop_extent_cache(inode, last_pos_in_file,
last_pos_in_file + hole_size -1);
btrfs_check_file(root, inode);