Re: [PATCH 09/12] ceph: remove call to bdi_unregister

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed 14-01-15 10:42:38, Christoph Hellwig wrote:
> bdi_destroy already does all the work, and if we delay freeing the
> anon bdev we can get away with just that single call.
  Looks good. You can add:
Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza

> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  fs/ceph/super.c | 18 ++++++------------
>  1 file changed, 6 insertions(+), 12 deletions(-)
> 
> diff --git a/fs/ceph/super.c b/fs/ceph/super.c
> index 50f06cd..e350cc1 100644
> --- a/fs/ceph/super.c
> +++ b/fs/ceph/super.c
> @@ -40,17 +40,6 @@ static void ceph_put_super(struct super_block *s)
>  
>  	dout("put_super\n");
>  	ceph_mdsc_close_sessions(fsc->mdsc);
> -
> -	/*
> -	 * ensure we release the bdi before put_anon_super releases
> -	 * the device name.
> -	 */
> -	if (s->s_bdi == &fsc->backing_dev_info) {
> -		bdi_unregister(&fsc->backing_dev_info);
> -		s->s_bdi = NULL;
> -	}
> -
> -	return;
>  }
>  
>  static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
> @@ -1002,11 +991,16 @@ out_final:
>  static void ceph_kill_sb(struct super_block *s)
>  {
>  	struct ceph_fs_client *fsc = ceph_sb_to_client(s);
> +	dev_t dev = s->s_dev;
> +
>  	dout("kill_sb %p\n", s);
> +
>  	ceph_mdsc_pre_umount(fsc->mdsc);
> -	kill_anon_super(s);    /* will call put_super after sb is r/o */
> +	generic_shutdown_super(s);
>  	ceph_mdsc_destroy(fsc);
> +
>  	destroy_fs_client(fsc);
> +	free_anon_bdev(dev);
>  }
>  
>  static struct file_system_type ceph_fs_type = {
> -- 
> 1.9.1
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]