--- drivers/md/dm-thin.c | 10 +++++++--- 1 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index cd48cd8..1976a30 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2359,10 +2359,14 @@ static int thin_iterate_devices(struct dm_target *ti, dm_block_t blocks; struct thin_c *tc = ti->private; - r = dm_pool_get_data_dev_size(tc->pool->pmd, &blocks); - if (r) - return r; + /* + * We can't call dm_pool_get_data_dev_size() since that blocks. So + * we follow a more convoluted path through to the pool's target. + */ + if (!tc->pool->ti) + return 0; /* nothing is bound */ + blocks = tc->pool->ti->len >> tc->pool->block_shift; if (blocks) return fn(ti, tc->pool_dev, 0, tc->pool->sectors_per_block * blocks, data); -- 1.7.5.4 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
