diff options
| -rw-r--r-- | source3/modules/vfs_btrfs.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/source3/modules/vfs_btrfs.c b/source3/modules/vfs_btrfs.c index 2254fa2f68..997a5de02f 100644 --- a/source3/modules/vfs_btrfs.c +++ b/source3/modules/vfs_btrfs.c @@ -84,6 +84,27 @@ static struct tevent_req *btrfs_copy_chunk_send(struct vfs_handle_struct *handle } cc_state->handle = handle; + if (num == 0) { + /* + * With a @src_length of zero, BTRFS_IOC_CLONE_RANGE clones + * all data from @src_offset->EOF! This is certainly not what + * the caller expects, and not what vfs_default does. + */ + cc_state->subreq = SMB_VFS_NEXT_COPY_CHUNK_SEND(handle, + cc_state, ev, + src_fsp, + src_off, + dest_fsp, + dest_off, num); + if (tevent_req_nomem(cc_state->subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(cc_state->subreq, + btrfs_copy_chunk_done, + req); + return req; + } + status = vfs_stat_fsp(src_fsp); if (tevent_req_nterror(req, status)) { return tevent_req_post(req, ev); @@ -155,7 +176,6 @@ static struct tevent_req *btrfs_copy_chunk_send(struct vfs_handle_struct *handle btrfs_copy_chunk_done, req); return req; - } DEBUG(5, ("BTRFS_IOC_CLONE_RANGE returned %d\n", ret)); |