Re: [PATCH 44/58] switch gfs2 to ->evict_inode()

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Hi,

This looks ok for GFS2 to me. Also the drop_inode changes, so:

Acked-by: Steven Whitehouse <swhiteho@xxxxxxxxxx>

for both,

Steve.

On Tue, 2010-06-08 at 23:22 +0100, Al Viro wrote:
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> ---
>  fs/gfs2/super.c |   39 +++++++++++++++------------------------
>  1 files changed, 15 insertions(+), 24 deletions(-)
> 
> diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
> index 4d1aad3..555f5a4 100644
> --- a/fs/gfs2/super.c
> +++ b/fs/gfs2/super.c
> @@ -1203,25 +1203,6 @@ static void gfs2_drop_inode(struct inode *inode)
>  	generic_drop_inode(inode);
>  }
>  
> -/**
> - * gfs2_clear_inode - Deallocate an inode when VFS is done with it
> - * @inode: The VFS inode
> - *
> - */
> -
> -static void gfs2_clear_inode(struct inode *inode)
> -{
> -	struct gfs2_inode *ip = GFS2_I(inode);
> -
> -	ip->i_gl->gl_object = NULL;
> -	gfs2_glock_put(ip->i_gl);
> -	ip->i_gl = NULL;
> -	if (ip->i_iopen_gh.gh_gl) {
> -		ip->i_iopen_gh.gh_gl->gl_object = NULL;
> -		gfs2_glock_dq_uninit(&ip->i_iopen_gh);
> -	}
> -}
> -
>  static int is_ancestor(const struct dentry *d1, const struct dentry *d2)
>  {
>  	do {
> @@ -1347,13 +1328,16 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
>   * is safe, just less efficient.
>   */
>  
> -static void gfs2_delete_inode(struct inode *inode)
> +static void gfs2_evict_inode(struct inode *inode)
>  {
>  	struct gfs2_sbd *sdp = inode->i_sb->s_fs_info;
>  	struct gfs2_inode *ip = GFS2_I(inode);
>  	struct gfs2_holder gh;
>  	int error;
>  
> +	if (inode->i_nlink)
> +		goto out;
> +
>  	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
>  	if (unlikely(error)) {
>  		gfs2_glock_dq_uninit(&ip->i_iopen_gh);
> @@ -1407,10 +1391,18 @@ out_unlock:
>  	gfs2_holder_uninit(&ip->i_iopen_gh);
>  	gfs2_glock_dq_uninit(&gh);
>  	if (error && error != GLR_TRYFAILED && error != -EROFS)
> -		fs_warn(sdp, "gfs2_delete_inode: %d\n", error);
> +		fs_warn(sdp, "gfs2_evict_inode: %d\n", error);
>  out:
>  	truncate_inode_pages(&inode->i_data, 0);
> -	clear_inode(inode);
> +	end_writeback(inode);
> +
> +	ip->i_gl->gl_object = NULL;
> +	gfs2_glock_put(ip->i_gl);
> +	ip->i_gl = NULL;
> +	if (ip->i_iopen_gh.gh_gl) {
> +		ip->i_iopen_gh.gh_gl->gl_object = NULL;
> +		gfs2_glock_dq_uninit(&ip->i_iopen_gh);
> +	}
>  }
>  
>  static struct inode *gfs2_alloc_inode(struct super_block *sb)
> @@ -1434,14 +1426,13 @@ const struct super_operations gfs2_super_ops = {
>  	.alloc_inode		= gfs2_alloc_inode,
>  	.destroy_inode		= gfs2_destroy_inode,
>  	.write_inode		= gfs2_write_inode,
> -	.delete_inode		= gfs2_delete_inode,
> +	.evict_inode		= gfs2_evict_inode,
>  	.put_super		= gfs2_put_super,
>  	.sync_fs		= gfs2_sync_fs,
>  	.freeze_fs 		= gfs2_freeze,
>  	.unfreeze_fs		= gfs2_unfreeze,
>  	.statfs			= gfs2_statfs,
>  	.remount_fs		= gfs2_remount_fs,
> -	.clear_inode		= gfs2_clear_inode,
>  	.drop_inode		= gfs2_drop_inode,
>  	.show_options		= gfs2_show_options,
>  };


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