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Date: Thu, 13 Nov 2008 21:42:52 -0600
From: Eric Sandeen <sandeen@...hat.com>
To: Valerie Aurora Henson <vaurora@...hat.com>
CC: Andreas Dilger <adilger@....com>, "Theodore Ts'o" <tytso@....edu>,
linux-ext4@...r.kernel.org
Subject: Re: [RFC PATCH 10/17] signed int -> blk64_t to fix bugs at 2^31 -
2^32 blocks
Valerie Aurora Henson wrote:
> On Thu, Nov 13, 2008 at 12:57:42PM -0700, Andreas Dilger wrote:
>> On Nov 11, 2008 19:43 -0800, Valerie Aurora Henson wrote:
>>> diff --git a/lib/ext2fs/alloc_tables.c b/lib/ext2fs/alloc_tables.c
>>> index 7235f7d..71ad445 100644
>>> --- a/lib/ext2fs/alloc_tables.c
>>> +++ b/lib/ext2fs/alloc_tables.c
>>> @@ -147,7 +147,7 @@ errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group,
>>> - int prev_block = 0;
>>> + blk64_t prev_block = 0;
>>> @@ -178,7 +178,7 @@ errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group,
>>> if (flexbg_size) {
>>> - int prev_block = 0;
>>> + blk64_t prev_block = 0;
>> These appear to be defects in the base code and should be landed ASAP
>> (as int -> blk_t) independently of this patch series.
>
> Agreed. Ted, is this a good format for you or do you want me to
> regenerate against something?
Is it?
if (flexbg_size) {
int prev_block = 0;
if (group && fs->group_desc[group-1].bg_block_bitmap)
prev_block =
fs->group_desc[group-1].bg_block_bitmap;
start_blk = flexbg_offset(fs, group, prev_block, bmap,
0, rem_grps, 1);
last_blk = ext2fs_group_last_block(fs, last_grp);
}
bg_block_bitmap is only a __u32, and that's what we assign to prev_block.
Just a quick scan, but isn't this just a relative block in the group?
-Eric
> -VAL
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