On 2016/1/8 7:29, Jaegeuk Kim wrote:
> Hi Yunlei,
>
> Could you rebase the patch based on f2fs-tools.git?
> I can't merge this.
>
> Thanks,
Hi Kim,
I am sorry that, I have sent a new one.
Thanks,
>
> On Wed, Jan 06, 2016 at 03:54:37PM +0800, Yunlei He wrote:
>> This patch calculate main area begin from a new zone,
>> avoid misalign if segments per zone is not 1.
>>
>> Signed-off-by: Yunlei He <heyun...@huawei.com>
>> Signed-off-by: Shuoran Liu <liushuo...@huawei.com>
>> ---
>> mkfs/f2fs_format.c | 21 +++++++++++----------
>> 1 file changed, 11 insertions(+), 10 deletions(-)
>>
>> diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
>> index 66d7342..fe45322 100644
>> --- a/mkfs/f2fs_format.c
>> +++ b/mkfs/f2fs_format.c
>> @@ -126,7 +126,8 @@ static int f2fs_prepare_super_block(void)
>> u_int32_t sit_segments;
>> u_int32_t blocks_for_sit, blocks_for_nat, blocks_for_ssa;
>> u_int32_t total_valid_blks_available;
>> - u_int64_t zone_align_start_offset, diff, total_meta_segments;
>> + u_int64_t zone_align_start_offset, diff;
>> + u_int64_t total_meta_zones, total_meta_segments;
>> u_int32_t sit_bitmap_size, max_sit_bitmap_size;
>> u_int32_t max_nat_bitmap_size, max_nat_segments;
>> u_int32_t total_zones;
>> @@ -259,16 +260,17 @@ static int f2fs_prepare_super_block(void)
>> set_sb(segment_count_ssa, get_sb(segment_count_ssa) +
>> (config.segs_per_zone - diff));
>>
>> - set_sb(main_blkaddr, get_sb(ssa_blkaddr) + get_sb(segment_count_ssa) *
>> - config.blks_per_seg);
>> + total_meta_zones = ZONE_ALIGN(total_meta_segments *
>> + config.blks_per_seg);
>>
>> - set_sb(segment_count_main, get_sb(segment_count) -
>> - (get_sb(segment_count_ckpt) +
>> - get_sb(segment_count_sit) +
>> - get_sb(segment_count_nat) +
>> - get_sb(segment_count_ssa)));
>> + set_sb(main_blkaddr, get_sb(segment0_blkaddr) + total_meta_zones *
>> +
>> config.segs_per_zone * config.blks_per_seg);
>> +
>> + total_zones = get_sb(segment_count) / (config.segs_per_zone) -
>> + total_meta_zones;
>>
>> - set_sb(section_count, get_sb(segment_count_main) / config.segs_per_sec);
>> + set_sb(section_count, total_zones * config.secs_per_zone);
>>
>> set_sb(segment_count_main, get_sb(section_count) * config.segs_per_sec);
>>
>> @@ -297,7 +299,6 @@ static int f2fs_prepare_super_block(void)
>> set_sb(meta_ino, 2);
>> set_sb(root_ino, 3);
>>
>> - total_zones = get_sb(segment_count_main) / (config.segs_per_zone);
>> if (total_zones <= 6) {
>> MSG(1, "\tError: %d zones: Need more zones \
>> by shrinking zone size\n", total_zones);
>> --
>> 1.9.1
>
> .
>
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