dm-thin.c (59c3d2c6a12ff580b2c19c3925af4f4552639f8a) dm-thin.c (7de3ee57da4b717050e79c9313a9bf66ccc72519)
1/*
2 * Copyright (C) 2011-2012 Red Hat UK.
3 *
4 * This file is released under the GPL.
5 */
6
7#include "dm-thin-metadata.h"
8#include "dm-bio-prison.h"

--- 1357 unchanged lines hidden (view full) ---

1366 h->shared_read_entry = NULL;
1367 h->all_io_entry = NULL;
1368 h->overwrite_mapping = NULL;
1369}
1370
1371/*
1372 * Non-blocking function called from the thin target's map function.
1373 */
1/*
2 * Copyright (C) 2011-2012 Red Hat UK.
3 *
4 * This file is released under the GPL.
5 */
6
7#include "dm-thin-metadata.h"
8#include "dm-bio-prison.h"

--- 1357 unchanged lines hidden (view full) ---

1366 h->shared_read_entry = NULL;
1367 h->all_io_entry = NULL;
1368 h->overwrite_mapping = NULL;
1369}
1370
1371/*
1372 * Non-blocking function called from the thin target's map function.
1373 */
1374static int thin_bio_map(struct dm_target *ti, struct bio *bio,
1375 union map_info *map_context)
1374static int thin_bio_map(struct dm_target *ti, struct bio *bio)
1376{
1377 int r;
1378 struct thin_c *tc = ti->private;
1379 dm_block_t block = get_bio_block(tc, bio);
1380 struct dm_thin_device *td = tc->td;
1381 struct dm_thin_lookup_result result;
1382 struct dm_bio_prison_cell *cell1, *cell2;
1383 struct dm_cell_key key;

--- 591 unchanged lines hidden (view full) ---

1975out_metadata:
1976 dm_put_device(ti, metadata_dev);
1977out_unlock:
1978 mutex_unlock(&dm_thin_pool_table.mutex);
1979
1980 return r;
1981}
1982
1375{
1376 int r;
1377 struct thin_c *tc = ti->private;
1378 dm_block_t block = get_bio_block(tc, bio);
1379 struct dm_thin_device *td = tc->td;
1380 struct dm_thin_lookup_result result;
1381 struct dm_bio_prison_cell *cell1, *cell2;
1382 struct dm_cell_key key;

--- 591 unchanged lines hidden (view full) ---

1974out_metadata:
1975 dm_put_device(ti, metadata_dev);
1976out_unlock:
1977 mutex_unlock(&dm_thin_pool_table.mutex);
1978
1979 return r;
1980}
1981
1983static int pool_map(struct dm_target *ti, struct bio *bio,
1984 union map_info *map_context)
1982static int pool_map(struct dm_target *ti, struct bio *bio)
1985{
1986 int r;
1987 struct pool_c *pt = ti->private;
1988 struct pool *pool = pt->pool;
1989 unsigned long flags;
1990
1991 /*
1992 * As this is a singleton target, ti->begin is always zero.

--- 628 unchanged lines hidden (view full) ---

2621bad_origin_dev:
2622 kfree(tc);
2623out_unlock:
2624 mutex_unlock(&dm_thin_pool_table.mutex);
2625
2626 return r;
2627}
2628
1983{
1984 int r;
1985 struct pool_c *pt = ti->private;
1986 struct pool *pool = pt->pool;
1987 unsigned long flags;
1988
1989 /*
1990 * As this is a singleton target, ti->begin is always zero.

--- 628 unchanged lines hidden (view full) ---

2619bad_origin_dev:
2620 kfree(tc);
2621out_unlock:
2622 mutex_unlock(&dm_thin_pool_table.mutex);
2623
2624 return r;
2625}
2626
2629static int thin_map(struct dm_target *ti, struct bio *bio,
2630 union map_info *map_context)
2627static int thin_map(struct dm_target *ti, struct bio *bio)
2631{
2632 bio->bi_sector = dm_target_offset(ti, bio->bi_sector);
2633
2628{
2629 bio->bi_sector = dm_target_offset(ti, bio->bi_sector);
2630
2634 return thin_bio_map(ti, bio, map_context);
2631 return thin_bio_map(ti, bio);
2635}
2636
2632}
2633
2637static int thin_endio(struct dm_target *ti,
2638 struct bio *bio, int err,
2639 union map_info *map_context)
2634static int thin_endio(struct dm_target *ti, struct bio *bio, int err)
2640{
2641 unsigned long flags;
2642 struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook));
2643 struct list_head work;
2644 struct dm_thin_new_mapping *m, *tmp;
2645 struct pool *pool = h->tc->pool;
2646
2647 if (h->shared_read_entry) {

--- 176 unchanged lines hidden --- 		2635{
2636 unsigned long flags;
2637 struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook));
2638 struct list_head work;
2639 struct dm_thin_new_mapping *m, *tmp;
2640 struct pool *pool = h->tc->pool;
2641
2642 if (h->shared_read_entry) {

--- 176 unchanged lines hidden ---