Re: [btrfs] 3d6ef82805: WARNING:at_fs/btrfs/extent-tree.c:#btrfs_reserve_extent[btrfs]

From: Jens Axboe
Date: Mon Feb 15 2021 - 11:58:35 EST


On 2/15/21 6:27 AM, kernel test robot wrote:
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: 3d6ef82805958611e8ffa0a901c014b6f066c3e6 ("btrfs: relax memory alignment restriction for O_DIRECT")
> https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git dio-mem-align

This patch has been dropped, we did identify last week that btrfs
needs more work to support sub bs memory alignment for dio.

--
Jens Axboe