On 9/4/19 6:48 PM, Josef Bacik wrote:
On Wed, Sep 04, 2019 at 04:02:24PM +0800, Hongzhi, Song wrote:
Hi ,
*Kernel:*
After v5.2-rc1, qemux86-64
make -j40 ARCH=x86_64 CROSS_COMPILE=x86-64-gcc
use qemu to bootup kernel
*Reproduce:*
There is a test case failed on btrfs but success on other fs(ext4,ext3),
see attachment.
Download attachments:
gcc test.c -o myout -Wall -lpthread
copy myout and run.sh to your qemu same directory.
on qemu:
./run.sh
I found the block device size with btrfs set 512M will cause the error.
256M and 1G all success.
*Error info:*
"BTRFS warning (device loop0): could not allocate space for a delete;
will truncate on mount"
*Related patch:*
I use git bisect to find the following patch introduces the issue.
commit c8eaeac7b734347c3afba7008b7af62f37b9c140
Author: Josef Bacik <jo...@toxicpanda.com>
Date: Wed Apr 10 15:56:10 2019 -0400
btrfs: reserve delalloc metadata differently
...
I meant to reply to this but couldn't find the original thread. The patches I
wrote for this merge window were to address this issue. Thanks,
Josef
Ok, thank your, I will try to search them.
--Hongzhi
