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authorAlasdair G Kergon <agk@redhat.com>2009-12-10 18:52:19 -0500
committerAlasdair G Kergon <agk@redhat.com>2009-12-10 18:52:19 -0500
commit7c6664114b7342a36f14a6836564e865669b3cea (patch)
tree0f00dcd89bec3ae1e4003b23018a2b1bf5464ff0
parentd0bcb8786532b01206f04258eb6b7d4ac858436a (diff)
dm: rename dm_get_table to dm_get_live_table
Rename dm_get_table to dm_get_live_table. Signed-off-by: Alasdair G Kergon <agk@redhat.com>
-rw-r--r--drivers/md/dm-ioctl.c14
-rw-r--r--drivers/md/dm.c24
-rw-r--r--include/linux/device-mapper.h2
3 files changed, 20 insertions, 20 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 99de0e4ce831..bf3d19a0fb78 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -235,7 +235,7 @@ static void __hash_remove(struct hash_cell *hc)
235 dm_set_mdptr(hc->md, NULL); 235 dm_set_mdptr(hc->md, NULL);
236 mutex_unlock(&dm_hash_cells_mutex); 236 mutex_unlock(&dm_hash_cells_mutex);
237 237
238 table = dm_get_table(hc->md); 238 table = dm_get_live_table(hc->md);
239 if (table) { 239 if (table) {
240 dm_table_event(table); 240 dm_table_event(table);
241 dm_table_put(table); 241 dm_table_put(table);
@@ -338,7 +338,7 @@ static int dm_hash_rename(uint32_t cookie, const char *old, const char *new)
338 /* 338 /*
339 * Wake up any dm event waiters. 339 * Wake up any dm event waiters.
340 */ 340 */
341 table = dm_get_table(hc->md); 341 table = dm_get_live_table(hc->md);
342 if (table) { 342 if (table) {
343 dm_table_event(table); 343 dm_table_event(table);
344 dm_table_put(table); 344 dm_table_put(table);
@@ -564,7 +564,7 @@ static int __dev_status(struct mapped_device *md, struct dm_ioctl *param)
564 564
565 param->event_nr = dm_get_event_nr(md); 565 param->event_nr = dm_get_event_nr(md);
566 566
567 table = dm_get_table(md); 567 table = dm_get_live_table(md);
568 if (table) { 568 if (table) {
569 param->flags |= DM_ACTIVE_PRESENT_FLAG; 569 param->flags |= DM_ACTIVE_PRESENT_FLAG;
570 param->target_count = dm_table_get_num_targets(table); 570 param->target_count = dm_table_get_num_targets(table);
@@ -993,7 +993,7 @@ static int dev_wait(struct dm_ioctl *param, size_t param_size)
993 if (r) 993 if (r)
994 goto out; 994 goto out;
995 995
996 table = dm_get_table(md); 996 table = dm_get_live_table(md);
997 if (table) { 997 if (table) {
998 retrieve_status(table, param, param_size); 998 retrieve_status(table, param, param_size);
999 dm_table_put(table); 999 dm_table_put(table);
@@ -1226,7 +1226,7 @@ static int table_deps(struct dm_ioctl *param, size_t param_size)
1226 if (r) 1226 if (r)
1227 goto out; 1227 goto out;
1228 1228
1229 table = dm_get_table(md); 1229 table = dm_get_live_table(md);
1230 if (table) { 1230 if (table) {
1231 retrieve_deps(table, param, param_size); 1231 retrieve_deps(table, param, param_size);
1232 dm_table_put(table); 1232 dm_table_put(table);
@@ -1255,7 +1255,7 @@ static int table_status(struct dm_ioctl *param, size_t param_size)
1255 if (r) 1255 if (r)
1256 goto out; 1256 goto out;
1257 1257
1258 table = dm_get_table(md); 1258 table = dm_get_live_table(md);
1259 if (table) { 1259 if (table) {
1260 retrieve_status(table, param, param_size); 1260 retrieve_status(table, param, param_size);
1261 dm_table_put(table); 1261 dm_table_put(table);
@@ -1299,7 +1299,7 @@ static int target_message(struct dm_ioctl *param, size_t param_size)
1299 goto out; 1299 goto out;
1300 } 1300 }
1301 1301
1302 table = dm_get_table(md); 1302 table = dm_get_live_table(md);
1303 if (!table) 1303 if (!table)
1304 goto out_argv; 1304 goto out_argv;
1305 1305
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 3de8d6d5b0b8..233a2e9156a3 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -397,7 +397,7 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode,
397 unsigned int cmd, unsigned long arg) 397 unsigned int cmd, unsigned long arg)
398{ 398{
399 struct mapped_device *md = bdev->bd_disk->private_data; 399 struct mapped_device *md = bdev->bd_disk->private_data;
400 struct dm_table *map = dm_get_table(md); 400 struct dm_table *map = dm_get_live_table(md);
401 struct dm_target *tgt; 401 struct dm_target *tgt;
402 int r = -ENOTTY; 402 int r = -ENOTTY;
403 403
@@ -528,7 +528,7 @@ static void queue_io(struct mapped_device *md, struct bio *bio)
528 * function to access the md->map field, and make sure they call 528 * function to access the md->map field, and make sure they call
529 * dm_table_put() when finished. 529 * dm_table_put() when finished.
530 */ 530 */
531struct dm_table *dm_get_table(struct mapped_device *md) 531struct dm_table *dm_get_live_table(struct mapped_device *md)
532{ 532{
533 struct dm_table *t; 533 struct dm_table *t;
534 unsigned long flags; 534 unsigned long flags;
@@ -1294,7 +1294,7 @@ static void __split_and_process_bio(struct mapped_device *md, struct bio *bio)
1294 struct clone_info ci; 1294 struct clone_info ci;
1295 int error = 0; 1295 int error = 0;
1296 1296
1297 ci.map = dm_get_table(md); 1297 ci.map = dm_get_live_table(md);
1298 if (unlikely(!ci.map)) { 1298 if (unlikely(!ci.map)) {
1299 if (!bio_rw_flagged(bio, BIO_RW_BARRIER)) 1299 if (!bio_rw_flagged(bio, BIO_RW_BARRIER))
1300 bio_io_error(bio); 1300 bio_io_error(bio);
@@ -1335,7 +1335,7 @@ static int dm_merge_bvec(struct request_queue *q,
1335 struct bio_vec *biovec) 1335 struct bio_vec *biovec)
1336{ 1336{
1337 struct mapped_device *md = q->queuedata; 1337 struct mapped_device *md = q->queuedata;
1338 struct dm_table *map = dm_get_table(md); 1338 struct dm_table *map = dm_get_live_table(md);
1339 struct dm_target *ti; 1339 struct dm_target *ti;
1340 sector_t max_sectors; 1340 sector_t max_sectors;
1341 int max_size = 0; 1341 int max_size = 0;
@@ -1638,7 +1638,7 @@ static void map_request(struct dm_target *ti, struct request *clone,
1638static void dm_request_fn(struct request_queue *q) 1638static void dm_request_fn(struct request_queue *q)
1639{ 1639{
1640 struct mapped_device *md = q->queuedata; 1640 struct mapped_device *md = q->queuedata;
1641 struct dm_table *map = dm_get_table(md); 1641 struct dm_table *map = dm_get_live_table(md);
1642 struct dm_target *ti; 1642 struct dm_target *ti;
1643 struct request *rq, *clone; 1643 struct request *rq, *clone;
1644 1644
@@ -1697,7 +1697,7 @@ static int dm_lld_busy(struct request_queue *q)
1697{ 1697{
1698 int r; 1698 int r;
1699 struct mapped_device *md = q->queuedata; 1699 struct mapped_device *md = q->queuedata;
1700 struct dm_table *map = dm_get_table(md); 1700 struct dm_table *map = dm_get_live_table(md);
1701 1701
1702 if (!map || test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags)) 1702 if (!map || test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags))
1703 r = 1; 1703 r = 1;
@@ -1712,7 +1712,7 @@ static int dm_lld_busy(struct request_queue *q)
1712static void dm_unplug_all(struct request_queue *q) 1712static void dm_unplug_all(struct request_queue *q)
1713{ 1713{
1714 struct mapped_device *md = q->queuedata; 1714 struct mapped_device *md = q->queuedata;
1715 struct dm_table *map = dm_get_table(md); 1715 struct dm_table *map = dm_get_live_table(md);
1716 1716
1717 if (map) { 1717 if (map) {
1718 if (dm_request_based(md)) 1718 if (dm_request_based(md))
@@ -1730,7 +1730,7 @@ static int dm_any_congested(void *congested_data, int bdi_bits)
1730 struct dm_table *map; 1730 struct dm_table *map;
1731 1731
1732 if (!test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags)) { 1732 if (!test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags)) {
1733 map = dm_get_table(md); 1733 map = dm_get_live_table(md);
1734 if (map) { 1734 if (map) {
1735 /* 1735 /*
1736 * Request-based dm cares about only own queue for 1736 * Request-based dm cares about only own queue for
@@ -2166,7 +2166,7 @@ void dm_put(struct mapped_device *md)
2166 BUG_ON(test_bit(DMF_FREEING, &md->flags)); 2166 BUG_ON(test_bit(DMF_FREEING, &md->flags));
2167 2167
2168 if (atomic_dec_and_lock(&md->holders, &_minor_lock)) { 2168 if (atomic_dec_and_lock(&md->holders, &_minor_lock)) {
2169 map = dm_get_table(md); 2169 map = dm_get_live_table(md);
2170 idr_replace(&_minor_idr, MINOR_ALLOCED, 2170 idr_replace(&_minor_idr, MINOR_ALLOCED,
2171 MINOR(disk_devt(dm_disk(md)))); 2171 MINOR(disk_devt(dm_disk(md))));
2172 set_bit(DMF_FREEING, &md->flags); 2172 set_bit(DMF_FREEING, &md->flags);
@@ -2302,7 +2302,7 @@ static void dm_rq_set_flush_nr(struct request *clone, unsigned flush_nr)
2302static int dm_rq_barrier(struct mapped_device *md) 2302static int dm_rq_barrier(struct mapped_device *md)
2303{ 2303{
2304 int i, j; 2304 int i, j;
2305 struct dm_table *map = dm_get_table(md); 2305 struct dm_table *map = dm_get_live_table(md);
2306 unsigned num_targets = dm_table_get_num_targets(map); 2306 unsigned num_targets = dm_table_get_num_targets(map);
2307 struct dm_target *ti; 2307 struct dm_target *ti;
2308 struct request *clone; 2308 struct request *clone;
@@ -2453,7 +2453,7 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags)
2453 goto out_unlock; 2453 goto out_unlock;
2454 } 2454 }
2455 2455
2456 map = dm_get_table(md); 2456 map = dm_get_live_table(md);
2457 2457
2458 /* 2458 /*
2459 * DMF_NOFLUSH_SUSPENDING must be set before presuspend. 2459 * DMF_NOFLUSH_SUSPENDING must be set before presuspend.
@@ -2558,7 +2558,7 @@ int dm_resume(struct mapped_device *md)
2558 if (!dm_suspended(md)) 2558 if (!dm_suspended(md))
2559 goto out; 2559 goto out;
2560 2560
2561 map = dm_get_table(md); 2561 map = dm_get_live_table(md);
2562 if (!map || !dm_table_get_size(map)) 2562 if (!map || !dm_table_get_size(map))
2563 goto out; 2563 goto out;
2564 2564
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index df7607e6dce8..fc16a351ef7a 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -276,7 +276,7 @@ void dm_table_unplug_all(struct dm_table *t);
276/* 276/*
277 * Table reference counting. 277 * Table reference counting.
278 */ 278 */
279struct dm_table *dm_get_table(struct mapped_device *md); 279struct dm_table *dm_get_live_table(struct mapped_device *md);
280void dm_table_get(struct dm_table *t); 280void dm_table_get(struct dm_table *t);
281void dm_table_put(struct dm_table *t); 281void dm_table_put(struct dm_table *t);
282 282