Hi,
Now in the -nmw git tree. Thanks,
Steve.
On Mon, 2008-01-28 at 17:20 -0600, Bob Peterson wrote:
> Hi,
>
> This patch moves the gfs2_rgrpd structure to its own slab
> memory. This makes it easier to control and monitor, and
> yields less memory fragmentation.
>
> Regards,
>
> Bob Peterson
> Red Hat GFS
>
> Signed-off-by: Bob Peterson <[EMAIL PROTECTED]>
> --
> fs/gfs2/main.c | 10 ++++++++++
> fs/gfs2/rgrp.c | 4 ++--
> fs/gfs2/util.c | 1 +
> fs/gfs2/util.h | 1 +
> 4 files changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
> index 9c7765c..053e2eb 100644
> --- a/fs/gfs2/main.c
> +++ b/fs/gfs2/main.c
> @@ -89,6 +89,12 @@ static int __init init_gfs2_fs(void)
> if (!gfs2_bufdata_cachep)
> goto fail;
>
> + gfs2_rgrpd_cachep = kmem_cache_create("gfs2_rgrpd",
> + sizeof(struct gfs2_rgrpd),
> + 0, 0, NULL);
> + if (!gfs2_rgrpd_cachep)
> + goto fail;
> +
> error = register_filesystem(&gfs2_fs_type);
> if (error)
> goto fail;
> @@ -108,6 +114,9 @@ fail_unregister:
> fail:
> gfs2_glock_exit();
>
> + if (gfs2_rgrpd_cachep)
> + kmem_cache_destroy(gfs2_rgrpd_cachep);
> +
> if (gfs2_bufdata_cachep)
> kmem_cache_destroy(gfs2_bufdata_cachep);
>
> @@ -133,6 +142,7 @@ static void __exit exit_gfs2_fs(void)
> unregister_filesystem(&gfs2_fs_type);
> unregister_filesystem(&gfs2meta_fs_type);
>
> + kmem_cache_destroy(gfs2_rgrpd_cachep);
> kmem_cache_destroy(gfs2_bufdata_cachep);
> kmem_cache_destroy(gfs2_inode_cachep);
> kmem_cache_destroy(gfs2_glock_cachep);
> diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
> index 7b9d6f1..dc7e83e 100644
> --- a/fs/gfs2/rgrp.c
> +++ b/fs/gfs2/rgrp.c
> @@ -353,7 +353,7 @@ static void clear_rgrpdi(struct gfs2_sbd *sdp)
> }
>
> kfree(rgd->rd_bits);
> - kfree(rgd);
> + kmem_cache_free(gfs2_rgrpd_cachep, rgd);
> }
> }
>
> @@ -516,7 +516,7 @@ static int read_rindex_entry(struct gfs2_inode *ip,
> return error;
> }
>
> - rgd = kzalloc(sizeof(struct gfs2_rgrpd), GFP_NOFS);
> + rgd = kmem_cache_zalloc(gfs2_rgrpd_cachep, GFP_NOFS);
> error = -ENOMEM;
> if (!rgd)
> return error;
> diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
> index 424a077..fe9c28e 100644
> --- a/fs/gfs2/util.c
> +++ b/fs/gfs2/util.c
> @@ -25,6 +25,7 @@
> struct kmem_cache *gfs2_glock_cachep __read_mostly;
> struct kmem_cache *gfs2_inode_cachep __read_mostly;
> struct kmem_cache *gfs2_bufdata_cachep __read_mostly;
> +struct kmem_cache *gfs2_rgrpd_cachep __read_mostly;
>
> void gfs2_assert_i(struct gfs2_sbd *sdp)
> {
> diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h
> index 28938a4..ac0c567 100644
> --- a/fs/gfs2/util.h
> +++ b/fs/gfs2/util.h
> @@ -147,6 +147,7 @@ gfs2_io_error_bh_i((sdp), (bh), __FUNCTION__, __FILE__,
> __LINE__);
> extern struct kmem_cache *gfs2_glock_cachep;
> extern struct kmem_cache *gfs2_inode_cachep;
> extern struct kmem_cache *gfs2_bufdata_cachep;
> +extern struct kmem_cache *gfs2_rgrpd_cachep;
>
> static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
> unsigned int *p)
>
>
