dm.c (efd15f5f4ff63f6ac5d80850686e3d2cc8c4481b) dm.c (00c4fc3b1f590288cb3c42f36da50f49a513cfcf)
1/*
2 * Copyright (C) 2001, 2002 Sistina Software (UK) Limited.
3 * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
4 *
5 * This file is released under the GPL.
6 */
7
8#include "dm.h"

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1941 md->disk->first_minor = minor;
1942 md->disk->fops = &dm_blk_dops;
1943 md->disk->queue = md->queue;
1944 md->disk->private_data = md;
1945 sprintf(md->disk->disk_name, "dm-%d", minor);
1946 add_disk(md->disk);
1947 format_dev_t(md->name, MKDEV(_major, minor));
1948
1/*
2 * Copyright (C) 2001, 2002 Sistina Software (UK) Limited.
3 * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
4 *
5 * This file is released under the GPL.
6 */
7
8#include "dm.h"

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1941 md->disk->first_minor = minor;
1942 md->disk->fops = &dm_blk_dops;
1943 md->disk->queue = md->queue;
1944 md->disk->private_data = md;
1945 sprintf(md->disk->disk_name, "dm-%d", minor);
1946 add_disk(md->disk);
1947 format_dev_t(md->name, MKDEV(_major, minor));
1948
1949 md->wq = alloc_workqueue("kdmflush",
1950 WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0);
1949 md->wq = alloc_workqueue("kdmflush", WQ_MEM_RECLAIM, 0);
1951 if (!md->wq)
1952 goto bad_thread;
1953
1954 md->bdev = bdget_disk(md->disk, 0);
1955 if (!md->bdev)
1956 goto bad_bdev;
1957
1958 bio_init(&md->flush_bio);

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2231
2232void dm_unlock_md_type(struct mapped_device *md)
2233{
2234 mutex_unlock(&md->type_lock);
2235}
2236
2237void dm_set_md_type(struct mapped_device *md, unsigned type)
2238{
1950 if (!md->wq)
1951 goto bad_thread;
1952
1953 md->bdev = bdget_disk(md->disk, 0);
1954 if (!md->bdev)
1955 goto bad_bdev;
1956
1957 bio_init(&md->flush_bio);

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2230
2231void dm_unlock_md_type(struct mapped_device *md)
2232{
2233 mutex_unlock(&md->type_lock);
2234}
2235
2236void dm_set_md_type(struct mapped_device *md, unsigned type)
2237{
2238 BUG_ON(!mutex_is_locked(&md->type_lock));
2239 md->type = type;
2240}
2241
2242unsigned dm_get_md_type(struct mapped_device *md)
2243{
2239 md->type = type;
2240}
2241
2242unsigned dm_get_md_type(struct mapped_device *md)
2243{
2244 BUG_ON(!mutex_is_locked(&md->type_lock));
2244 return md->type;
2245}
2246
2247struct target_type *dm_get_immutable_target_type(struct mapped_device *md)
2248{
2249 return md->immutable_target_type;
2250}
2251

--- 618 unchanged lines hidden --- 		2245 return md->type;
2246}
2247
2248struct target_type *dm_get_immutable_target_type(struct mapped_device *md)
2249{
2250 return md->immutable_target_type;
2251}
2252

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