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path: root/drivers/md/dm.c
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Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 3de8d6d5b0b..233a2e9156a 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,
unsigned int cmd, unsigned long arg)
{
struct mapped_device *md = bdev->bd_disk->private_data;
- struct dm_table *map = dm_get_table(md);
+ struct dm_table *map = dm_get_live_table(md);
struct dm_target *tgt;
int r = -ENOTTY;
@@ -528,7 +528,7 @@ static void queue_io(struct mapped_device *md, struct bio *bio)
* function to access the md->map field, and make sure they call
* dm_table_put() when finished.
*/
-struct dm_table *dm_get_table(struct mapped_device *md)
+struct dm_table *dm_get_live_table(struct mapped_device *md)
{
struct dm_table *t;
unsigned long flags;
@@ -1294,7 +1294,7 @@ static void __split_and_process_bio(struct mapped_device *md, struct bio *bio)
struct clone_info ci;
int error = 0;
- ci.map = dm_get_table(md);
+ ci.map = dm_get_live_table(md);
if (unlikely(!ci.map)) {
if (!bio_rw_flagged(bio, BIO_RW_BARRIER))
bio_io_error(bio);
@@ -1335,7 +1335,7 @@ static int dm_merge_bvec(struct request_queue *q,
struct bio_vec *biovec)
{
struct mapped_device *md = q->queuedata;
- struct dm_table *map = dm_get_table(md);
+ struct dm_table *map = dm_get_live_table(md);
struct dm_target *ti;
sector_t max_sectors;
int max_size = 0;
@@ -1638,7 +1638,7 @@ static void map_request(struct dm_target *ti, struct request *clone,
static void dm_request_fn(struct request_queue *q)
{
struct mapped_device *md = q->queuedata;
- struct dm_table *map = dm_get_table(md);
+ struct dm_table *map = dm_get_live_table(md);
struct dm_target *ti;
struct request *rq, *clone;
@@ -1697,7 +1697,7 @@ static int dm_lld_busy(struct request_queue *q)
{
int r;
struct mapped_device *md = q->queuedata;
- struct dm_table *map = dm_get_table(md);
+ struct dm_table *map = dm_get_live_table(md);
if (!map || test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags))
r = 1;
@@ -1712,7 +1712,7 @@ static int dm_lld_busy(struct request_queue *q)
static void dm_unplug_all(struct request_queue *q)
{
struct mapped_device *md = q->queuedata;
- struct dm_table *map = dm_get_table(md);
+ struct dm_table *map = dm_get_live_table(md);
if (map) {
if (dm_request_based(md))
@@ -1730,7 +1730,7 @@ static int dm_any_congested(void *congested_data, int bdi_bits)
struct dm_table *map;
if (!test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags)) {
- map = dm_get_table(md);
+ map = dm_get_live_table(md);
if (map) {
/*
* Request-based dm cares about only own queue for
@@ -2166,7 +2166,7 @@ void dm_put(struct mapped_device *md)
BUG_ON(test_bit(DMF_FREEING, &md->flags));
if (atomic_dec_and_lock(&md->holders, &_minor_lock)) {
- map = dm_get_table(md);
+ map = dm_get_live_table(md);
idr_replace(&_minor_idr, MINOR_ALLOCED,
MINOR(disk_devt(dm_disk(md))));
set_bit(DMF_FREEING, &md->flags);
@@ -2302,7 +2302,7 @@ static void dm_rq_set_flush_nr(struct request *clone, unsigned flush_nr)
static int dm_rq_barrier(struct mapped_device *md)
{
int i, j;
- struct dm_table *map = dm_get_table(md);
+ struct dm_table *map = dm_get_live_table(md);
unsigned num_targets = dm_table_get_num_targets(map);
struct dm_target *ti;
struct request *clone;
@@ -2453,7 +2453,7 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags)
goto out_unlock;
}
- map = dm_get_table(md);
+ map = dm_get_live_table(md);
/*
* DMF_NOFLUSH_SUSPENDING must be set before presuspend.
@@ -2558,7 +2558,7 @@ int dm_resume(struct mapped_device *md)
if (!dm_suspended(md))
goto out;
- map = dm_get_table(md);
+ map = dm_get_live_table(md);
if (!map || !dm_table_get_size(map))
goto out;