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Re: [PATCH hurd 3/5] ext2fs: tune the size of the inode cache


From: Samuel Thibault
Subject: Re: [PATCH hurd 3/5] ext2fs: tune the size of the inode cache
Date: Wed, 10 Dec 2014 17:27:39 +0100
User-agent: Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30)

Justus Winter, le Wed 10 Dec 2014 17:21:57 +0100, a écrit :
> The node cache uses a fixed number of buckets giving it a linear
> access complexity, although with a small constant factor.  Paper over
> this issue by increasing the number of buckets.
> 
> * ext2fs/inode.c (INOHSZ): Increase from 512 to 8192 entries.

Ack.

> ---
>  ext2fs/inode.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/ext2fs/inode.c b/ext2fs/inode.c
> index ed78265..27530fb 100644
> --- a/ext2fs/inode.c
> +++ b/ext2fs/inode.c
> @@ -39,7 +39,7 @@
>  #define UF_IMMUTABLE 0
>  #endif
>  
> -#define      INOHSZ  512
> +#define      INOHSZ  8192
>  #if  ((INOHSZ&(INOHSZ-1)) == 0)
>  #define      INOHASH(ino)    ((ino)&(INOHSZ-1))
>  #else
> -- 
> 2.1.3
> 

-- 
Samuel
<s> je la connaissais pas celle la : "make: Entering an unknown directory"
 -+- #ens-mim -+-



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