On Thu, Aug 08, 2013 at 01:04:19PM +0800, Wang Shilong wrote:
> struct __prelim_ref is allocated and freed frequently when
> walking backref tree, using slab allocater can not only
> speed up allocating but also detect memory leaks.
>
> Signed-off-by: Wang Shilong <wangsl.fnst@xxxxxxxxxxxxxx>
> Reviewed-by: Miao Xie <miaox@xxxxxxxxxxxxxx>
> ---
> fs/btrfs/backref.c | 30 +++++++++++++++++++++++++-----
> fs/btrfs/backref.h | 2 ++
> fs/btrfs/super.c | 8 ++++++++
> 3 files changed, 35 insertions(+), 5 deletions(-)
>
> diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
> index f7781e6..916e4f1 100644
> --- a/fs/btrfs/backref.c
> +++ b/fs/btrfs/backref.c
> @@ -119,6 +119,26 @@ struct __prelim_ref {
> u64 wanted_disk_byte;
> };
>
> +static struct kmem_cache *prelim_ref_cache;
> +
> +int __init btrfs_prelim_ref_init(void)
> +{
> + prelim_ref_cache = kmem_cache_create("btrfs_prelim_ref",
> + sizeof(struct __prelim_ref),
Would be nice to give it a name that matches the slab cache,
btrfs_prelim_ref.
david
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
