Revert "loop: support 4k physical blocksize"

There's some stuff still up in the air, let's not get stuck with a
subpar ABI. I'll follow up with something better for 4.14.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 0 insertions, 3 deletions

diff --git a/include/uapi/linux/loop.h b/include/uapi/linux/loop.h
index a3960f98679c..c8125ec1f4f2 100644
--- a/include/uapi/linux/loop.h
+++ b/include/uapi/linux/loop.h
@@ -22,7 +22,6 @@ enum {
         LO_FLAGS_AUTOCLEAR      = 4,
         LO_FLAGS_PARTSCAN       = 8,
         LO_FLAGS_DIRECT_IO      = 16,
-        LO_FLAGS_BLOCKSIZE      = 32,
 };
 
 #include <asm/posix_types.h>    /* for __kernel_old_dev_t */
@@ -60,8 +59,6 @@ struct loop_info64 {
         __u64              lo_init[2];
 };
 
-#define LO_INFO_BLOCKSIZE(l) (l)->lo_init[0]
-
 /*
  * Loop filter types
  */