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| author | Tao Ma <tao.ma@oracle.com> | 2009-09-21 11:25:14 +0800 |
|---|---|---|
| committer | Joel Becker <joel.becker@oracle.com> | 2009-09-22 20:09:51 -0700 |
| commit | bd50873dc725a9fa72592ecc986c58805e823051 (patch) | |
| tree | 8d2d4d514f73b6425bf0bf5bd1806949b84a2489 /fs/ocfs2/refcounttree.h | |
| parent | 64871b8d62570fabec3b0959d494f8e0b87f5c4b (diff) | |
ocfs2: Add ioctl for reflink.
The ioctl will take 3 parameters: old_path, new_path and
preserve and call vfs_reflink. It is useful when we backport
reflink features to old kernels.
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Diffstat (limited to 'fs/ocfs2/refcounttree.h')
| -rw-r--r-- | fs/ocfs2/refcounttree.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h index 2c238e682570..c1d19b1d3ecc 100644 --- a/fs/ocfs2/refcounttree.h +++ b/fs/ocfs2/refcounttree.h @@ -99,4 +99,8 @@ int ocfs2_increase_refcount(handle_t *handle, u64 cpos, u32 len, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc); +int ocfs2_reflink_ioctl(struct inode *inode, + const char __user *oldname, + const char __user *newname, + bool preserve); #endif /* OCFS2_REFCOUNTTREE_H */ |