linux-kernel - RE: [f2fs-dev] [PATCH v2 06/10] f2fs: add core functions for rb-tree extent cache

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 02 Feb 2015 10:59:28 +0800
From:	Chao Yu <chao2.yu@...sung.com>
To:	'Jaegeuk Kim' <jaegeuk@...nel.org>,
	'Changman Lee' <cm224.lee@...sung.com>
Cc:	linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Subject: RE: [f2fs-dev] [PATCH v2 06/10] f2fs: add core functions for rb-tree
 extent cache

Hi all,

> -----Original Message-----
> From: Chao Yu [mailto:chao2.yu@...sung.com]
> Sent: Monday, January 26, 2015 1:52 PM
> To: Jaegeuk Kim; Changman Lee
> Cc: linux-kernel@...r.kernel.org; linux-f2fs-devel@...ts.sourceforge.net
> Subject: [f2fs-dev] [PATCH v2 06/10] f2fs: add core functions for rb-tree extent cache
> 
> This patch adds core functions including slab cache init function and
> init/lookup/update/shrink/destroy function for rb-tree based extent cache.
> 
> Thank Jaegeuk Kim and Changman Lee as they gave much suggestion about detail
> design and implementation of extent cache.
> 
> Todo:
>  * add a cached_ei into struct extent_tree for a quick recent cache.
>  * register rb-based extent cache shrink with mm shrink interface.
>  * disable dir inode's extent cache.
> 
> v2:
>  o move set_extent_info and __is_{extent,back,front}_mergeable into f2fs.h.
>  o introduce __{attach,detach}_extent_node for code readability.
>  o use f2fs_kmem_cache_alloc/f2fs_radix_tree_insert for code readability.
>  o fix some coding style and typo issues.
>  o get rid of node/tree count stat in f2fs_{shrink,destroy}_extent_tree.
> 

There is an obviously bug in this patch, with it we will encounter an oops easily,
My mistaken, Please ignore this patch set, sorry for the noise. :(

I will send a v3 later.

Thanks,

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/