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SubjectRe: [PATCH] f2fs: fix recover orphan inodes
Hi Jaegeuk,
On Wed, Feb 25, 2015 at 10:35:23AM -0800, Jaegeuk Kim wrote:
>Hi Wanpeng,
>
>On Wed, Feb 25, 2015 at 12:53:37PM +0800, Wanpeng Li wrote:
>> recover_orphan_inodes is used to recover orphan inodes, the meta pages
>> which readahead should be orphan_blkaddr - start_blk instead of orphan_blkaddr.
>> This patch fix it.
>>
>> Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
>> ---
>> fs/f2fs/checkpoint.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
>> index e6c271f..0f42ff3 100644
>> --- a/fs/f2fs/checkpoint.c
>> +++ b/fs/f2fs/checkpoint.c
>> @@ -468,9 +468,9 @@ void recover_orphan_inodes(struct f2fs_sb_info *sbi)
>> le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
>
>Actually it seems the name, orphan_blkaddr, was wrong.
>That should be orphan_blocks which is no need to fix like this.
>
>Instead, I found there is another bug below.
>
>> orphan_blkaddr = __start_sum_addr(sbi) - 1;
> orphan_blocks = __start_sum_addr(sbi) - 1 -
> le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);

Indeed, I will send a patch to fix it.

>
>It may help to define a macro to get cp_payload.
>

Will do. Thanks for your help. ;-)

Regards,
Wanpeng Li

>>
>> - ra_meta_pages(sbi, start_blk, orphan_blkaddr, META_CP);
>> + ra_meta_pages(sbi, start_blk, orphan_blkaddr - start_blk, META_CP);
>
>The orphan_blocks is enough. No need to fix this.
>
>>
>> - for (i = 0; i < orphan_blkaddr; i++) {
>> + for (i = 0; i < orphan_blkaddr - start_blk; i++) {
>
>ditto.
>
>Thanks,


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