fs/ceph/ioctl.c

16  * get and set the file layout
18 static long ceph_ioctl_get_layout(struct file *file, void __user *arg)
20 	struct ceph_inode_info *ci = ceph_inode(file_inode(file));
24 	err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT, false);
65 static long ceph_ioctl_set_layout(struct file *file, void __user *arg)
67 	struct inode *inode = file_inode(file);
71 	struct ceph_inode_info *ci = ceph_inode(file_inode(file));
79 	err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT, false);
137 static long ceph_ioctl_set_layout_policy (struct file *file, void __user *arg)
139 	struct inode *inode = file_inode(file);
178  * number, network address) for a given file offset.
180 static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
183 	struct inode *inode = file_inode(file);
242 static long ceph_ioctl_lazyio(struct file *file)
244 	struct ceph_file_info *fi = file->private_data;
245 	struct inode *inode = file_inode(file);
256 		doutc(cl, "file %p %p %llx.%llx marked lazy\n", file, inode,
261 		doutc(cl, "file %p %p %llx.%llx already lazy\n", file, inode,
267 static long ceph_ioctl_syncio(struct file *file)
269 	struct ceph_file_info *fi = file->private_data;
275 static int vet_mds_for_fscrypt(struct file *file)
278 	struct ceph_mds_client	*mdsc = ceph_sb_to_mdsc(file_inode(file)->i_sb);
294 static long ceph_set_encryption_policy(struct file *file, unsigned long arg)
297 	struct inode *inode = file_inode(file);
304 	ret = vet_mds_for_fscrypt(file);
312 	ret = ceph_get_caps(file, CEPH_CAP_FILE_SHARED, 0, -1, &got);
316 	ret = fscrypt_ioctl_set_policy(file, (const void __user *)arg);
359 long ceph_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
361 	struct inode *inode = file_inode(file);
365 	doutc(fsc->client, "file %p %p %llx.%llx cmd %s arg %lu\n", file,
369 		return ceph_ioctl_get_layout(file, (void __user *)arg);
372 		return ceph_ioctl_set_layout(file, (void __user *)arg);
375 		return ceph_ioctl_set_layout_policy(file, (void __user *)arg);
378 		return ceph_ioctl_get_dataloc(file, (void __user *)arg);
381 		return ceph_ioctl_lazyio(file);
384 		return ceph_ioctl_syncio(file);
387 		return ceph_set_encryption_policy(file, arg);
390 		ret = vet_mds_for_fscrypt(file);
393 		return fscrypt_ioctl_get_policy(file, (void __user *)arg);
396 		ret = vet_mds_for_fscrypt(file);
399 		return fscrypt_ioctl_get_policy_ex(file, (void __user *)arg);
402 		ret = vet_mds_for_fscrypt(file);
405 		return fscrypt_ioctl_add_key(file, (void __user *)arg);
408 		return fscrypt_ioctl_remove_key(file, (void __user *)arg);
411 		return fscrypt_ioctl_remove_key_all_users(file,
415 		return fscrypt_ioctl_get_key_status(file, (void __user *)arg);
418 		ret = vet_mds_for_fscrypt(file);
421 		return fscrypt_ioctl_get_nonce(file, (void __user *)arg);