[PATCH] f2fs: update max_orphans inode number

[PATCH] f2fs: update max_orphans inode number

[Yunlei He]

This patch update max_orphans inode number, remove nat bits blocks

Signed-off-by: Yunlei He <heyunlei@huawei.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 9aba0bb..64dd429 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1357,8 +1357,8 @@ void init_ino_entry_info(struct f2fs_sb_info *sbi)
 	}
 
 	sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
-			NR_CURSEG_TYPE - __cp_payload(sbi)) *
-				F2FS_ORPHANS_PER_BLOCK;
+			NR_CURSEG_TYPE - __cp_payload(sbi) -
+			NM_I(sbi)->nat_bits_blocks) * F2FS_ORPHANS_PER_BLOCK;
 }
 
 int __init create_checkpoint_caches(void)
-- 
2.10.1


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Re: [PATCH] f2fs: update max_orphans inode number

[Chao Yu]

On 2017/4/5 18:01, Yunlei He wrote:
> This patch update max_orphans inode number, remove nat bits blocks

We will disable nat bits cache and end up persistence of nat bits blocks once
there is no enough space in checkpoint region during doing checkpoint. So it's
not needed to update max orphan number according to .nat_bits_blocks.

Thanks,

> 
> Signed-off-by: Yunlei He <heyunlei@huawei.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 9aba0bb..64dd429 100644
> --- a/fs/f2fs/checkpoint.c
> +++ b/fs/f2fs/checkpoint.c
> @@ -1357,8 +1357,8 @@ void init_ino_entry_info(struct f2fs_sb_info *sbi)
>  	}
>  
>  	sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
> -			NR_CURSEG_TYPE - __cp_payload(sbi)) *
> -				F2FS_ORPHANS_PER_BLOCK;
> +			NR_CURSEG_TYPE - __cp_payload(sbi) -
> +			NM_I(sbi)->nat_bits_blocks) * F2FS_ORPHANS_PER_BLOCK;
>  }
>  
>  int __init create_checkpoint_caches(void)
> 


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