summaryrefslogtreecommitdiffstats
path: root/include/linux/loop.h
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2013-05-12 10:14:07 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-06-29 12:46:45 +0400
commit83a8761142cb38536e9e88dfc2432d331ea4e257 (patch)
treeff4d62cb9f0380b9fe0891f9d0c09fa748b369ba /include/linux/loop.h
parente06aeb571653ffb4398e915bba3a34af665ae98b (diff)
move linux/loop.h to drivers/block
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/loop.h')
-rw-r--r--include/linux/loop.h85
1 files changed, 0 insertions, 85 deletions
diff --git a/include/linux/loop.h b/include/linux/loop.h
deleted file mode 100644
index 460b60fa7ad..00000000000
--- a/include/linux/loop.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * include/linux/loop.h
- *
- * Written by Theodore Ts'o, 3/29/93.
- *
- * Copyright 1993 by Theodore Ts'o. Redistribution of this file is
- * permitted under the GNU General Public License.
- */
-#ifndef _LINUX_LOOP_H
-#define _LINUX_LOOP_H
-
-#include <linux/bio.h>
-#include <linux/blkdev.h>
-#include <linux/spinlock.h>
-#include <linux/mutex.h>
-#include <uapi/linux/loop.h>
-
-/* Possible states of device */
-enum {
- Lo_unbound,
- Lo_bound,
- Lo_rundown,
-};
-
-struct loop_func_table;
-
-struct loop_device {
- int lo_number;
- int lo_refcnt;
- loff_t lo_offset;
- loff_t lo_sizelimit;
- int lo_flags;
- int (*transfer)(struct loop_device *, int cmd,
- struct page *raw_page, unsigned raw_off,
- struct page *loop_page, unsigned loop_off,
- int size, sector_t real_block);
- char lo_file_name[LO_NAME_SIZE];
- char lo_crypt_name[LO_NAME_SIZE];
- char lo_encrypt_key[LO_KEY_SIZE];
- int lo_encrypt_key_size;
- struct loop_func_table *lo_encryption;
- __u32 lo_init[2];
- kuid_t lo_key_owner; /* Who set the key */
- int (*ioctl)(struct loop_device *, int cmd,
- unsigned long arg);
-
- struct file * lo_backing_file;
- struct block_device *lo_device;
- unsigned lo_blocksize;
- void *key_data;
-
- gfp_t old_gfp_mask;
-
- spinlock_t lo_lock;
- struct bio_list lo_bio_list;
- unsigned int lo_bio_count;
- int lo_state;
- struct mutex lo_ctl_mutex;
- struct task_struct *lo_thread;
- wait_queue_head_t lo_event;
- /* wait queue for incoming requests */
- wait_queue_head_t lo_req_wait;
-
- struct request_queue *lo_queue;
- struct gendisk *lo_disk;
-};
-
-/* Support for loadable transfer modules */
-struct loop_func_table {
- int number; /* filter type */
- int (*transfer)(struct loop_device *lo, int cmd,
- struct page *raw_page, unsigned raw_off,
- struct page *loop_page, unsigned loop_off,
- int size, sector_t real_block);
- int (*init)(struct loop_device *, const struct loop_info64 *);
- /* release is called from loop_unregister_transfer or clr_fd */
- int (*release)(struct loop_device *);
- int (*ioctl)(struct loop_device *, int cmd, unsigned long arg);
- struct module *owner;
-};
-
-int loop_register_transfer(struct loop_func_table *funcs);
-int loop_unregister_transfer(int number);
-
-#endif