Messages in this thread Patch in this message | | | From | Evan Green <> | Subject | [PATCH] loop: Add LOOP_SET_BLOCK_SIZE in compat ioctl | Date | Mon, 2 Jul 2018 16:03:46 -0700 |
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This change adds LOOP_SET_BLOCK_SIZE as one of the supported ioctls in lo_compat_ioctl. It only takes an unsigned long argument, and in practice a 32-bit value works fine.
Signed-off-by: Evan Green <evgreen@chromium.org> --- drivers/block/loop.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index d6b6f434fd4b..4cb1d1be3cfb 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1613,6 +1613,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode, arg = (unsigned long) compat_ptr(arg); case LOOP_SET_FD: case LOOP_CHANGE_FD: + case LOOP_SET_BLOCK_SIZE: err = lo_ioctl(bdev, mode, cmd, arg); break; default: -- 2.16.4
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