From: Gao Xiang <xiang@kernel.org>
To: Huang Jianan <huangjianan@oppo.com>
Cc: yh@oppo.com, kevin.liw@oppo.com, guoweichao@oppo.com,
linux-erofs@lists.ozlabs.org, guanyuwei@oppo.com
Subject: Re: [PATCH V2] erofs-utils: fix random data for block-aligned uncompressed file
Date: Tue, 7 Sep 2021 21:20:50 +0800 [thread overview]
Message-ID: <20210907132048.GA2401@hsiangkao-HP-ZHAN-66-Pro-G1> (raw)
In-Reply-To: <20210907035345.22735-1-huangjianan@oppo.com>
On Tue, Sep 07, 2021 at 11:53:45AM +0800, Huang Jianan via Linux-erofs wrote:
> If the file size is block-aligned for uncompressed files, i_u is
> meaningless for erofs_inode on disk, but it's not cleared when
> datalayout is seted in erofs_prepare_inode_buffer.
>
> This problem will cause inconsistent reproducible builds. Clear the
> entire erofs_inode to zero to fix this.
>
> Signed-off-by: Huang Jianan <huangjianan@oppo.com>
Reviewed-by: Gao Xiang <xiang@kernel.org>
BTW, how about adding --from="Huang Jianan <huangjianan@oppo.com>" when
sending patches with OPPO emails.
Otherwise, it seems the author becomes
"Huang Jianan via Linux-erofs <linux-erofs@lists.ozlabs.org>" when
reaching to the mailing list and I have to update it by hand....
Thanks,
Gao Xiang
> ---
> lib/inode.c | 12 +-----------
> 1 file changed, 1 insertion(+), 11 deletions(-)
>
> diff --git a/lib/inode.c b/lib/inode.c
> index 5bad75e..0cce07d 100644
> --- a/lib/inode.c
> +++ b/lib/inode.c
> @@ -834,25 +834,15 @@ static struct erofs_inode *erofs_new_inode(void)
> static unsigned int counter;
> struct erofs_inode *inode;
>
> - inode = malloc(sizeof(struct erofs_inode));
> + inode = calloc(1, sizeof(struct erofs_inode));
> if (!inode)
> return ERR_PTR(-ENOMEM);
>
> - inode->i_parent = NULL; /* also used to indicate a new inode */
> -
> inode->i_ino[0] = counter++; /* inode serial number */
> inode->i_count = 1;
>
> init_list_head(&inode->i_subdirs);
> init_list_head(&inode->i_xattrs);
> -
> - inode->idata_size = 0;
> - inode->xattr_isize = 0;
> - inode->extent_isize = 0;
> -
> - inode->bh = inode->bh_inline = inode->bh_data = NULL;
> - inode->idata = NULL;
> - inode->z_physical_clusterblks = 0;
> return inode;
> }
>
> --
> 2.25.1
>
next prev parent reply other threads:[~2021-09-07 13:21 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-06 8:13 [PATCH] erofs-utils: remove unnecessary "\n" Huang Jianan via Linux-erofs
2021-09-06 8:13 ` [PATCH] uerofs-utils: fix random data for block-aligned uncompressed file Huang Jianan via Linux-erofs
2021-09-07 0:10 ` Gao Xiang
2021-09-07 0:46 ` Gao Xiang
2021-09-07 2:54 ` Huang Jianan via Linux-erofs
2021-09-07 3:53 ` [PATCH V2] erofs-utils: " Huang Jianan via Linux-erofs
2021-09-07 13:20 ` Gao Xiang [this message]
2021-09-07 13:54 ` Huang Jianan via Linux-erofs
2021-09-07 0:08 ` [PATCH] erofs-utils: remove unnecessary "\n" Gao Xiang
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