[PATCHv2] nvmet: lift blocksize restriction to 64k

[Hannes Reinecke <hare@kernel.org>]

With commit 47dd67532303 ("block/bdev: lift block size restrictions to 64k")
we can now support up to 64k block sizes, so lift the restriction on 4k for
file-backed namespaces.

Reported-by: Abdulla Nasirli <nasirabd@fit.cvut.cz>
Fixes: 47dd67532303 ("block/bdev: lift block size restrictions to 64k")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
---
 drivers/nvme/target/io-cmd-file.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c
index 2d068439b129..fdc15c59632f 100644
--- a/drivers/nvme/target/io-cmd-file.c
+++ b/drivers/nvme/target/io-cmd-file.c
@@ -50,11 +50,10 @@ int nvmet_file_ns_enable(struct nvmet_ns *ns)
 	nvmet_file_ns_revalidate(ns);
 
 	/*
-	 * i_blkbits can be greater than the universally accepted upper bound,
-	 * so make sure we export a sane namespace lba_shift.
+	 * We can support blocksizes up to 64k.
 	 */
 	ns->blksize_shift = min_t(u8,
-			file_inode(ns->file)->i_blkbits, 12);
+			file_inode(ns->file)->i_blkbits, ilog2(SZ_64K));
 
 	ns->bvec_pool = mempool_create(NVMET_MIN_MPOOL_OBJ, mempool_alloc_slab,
 			mempool_free_slab, nvmet_bvec_cache);
-- 
2.43.0