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Commit 8d30abff authored by Joe Thornber's avatar Joe Thornber Committed by Mike Snitzer
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dm thin: return error from alloc_data_block if pool is not in write mode 



Signed-off-by: default avatarJoe Thornber <ejt@redhat.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 7f214665

drivers/md/dm-thin.c

+3 −0
Original line number Diff line number Diff line
@@ -923,6 +923,9 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result) 
	if (pool->no_free_space)

		return -ENOSPC;



	if (get_pool_mode(pool) != PM_WRITE)

		return -EINVAL;



	r = dm_pool_get_free_block_count(pool->pmd, &free_blocks);

	if (r)

		return r;