Hi all,
> -----Original Message-----
> From: Chao Yu [mailto:[email protected]]
> Sent: Monday, January 26, 2015 1:52 PM
> To: Jaegeuk Kim; Changman Lee
> Cc: [email protected]; [email protected]
> 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,
On Mon, Feb 02, 2015 at 10:59:28AM +0800, Chao Yu wrote:
> Hi all,
>
> > -----Original Message-----
> > From: Chao Yu [mailto:[email protected]]
> > Sent: Monday, January 26, 2015 1:52 PM
> > To: Jaegeuk Kim; Changman Lee
> > Cc: [email protected]; [email protected]
> > 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.
Hi Chao,
Okay, then I'll remove all the patches in this series from my testing branch.
Note that, I confirmed the patches till 05/10 have no problem.
Thanks,
>
> Thanks,