Messages in this thread | | | Date | Sat, 15 Oct 2022 10:50:02 +0800 | Subject | Re: [PATCH] erofs: shouldn't churn the mapping page for duplicated copies | From | Chao Yu <> |
| |
On 2022/10/12 12:50, Gao Xiang wrote: > If other duplicated copies exist in one decompression shot, should > leave the old page as is rather than replace it with the new duplicated > one. Otherwise, the following cold path to deal with duplicated copies > will use the invalid bvec. It impacts compressed data deduplication. > > Also, shift the onlinepage EIO bit to avoid touching the signed bit. > > Fixes: 267f2492c8f7 ("erofs: introduce multi-reference pclusters (fully-referenced)") > Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Thanks,
| |