linux-kernel - Re: [PATCH v12 6/7] xfs: Implement ->notify

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Date:   Sun, 10 Apr 2022 23:39:58 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Shiyang Ruan <ruansy.fnst@...itsu.com>
Cc:     linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
        nvdimm@...ts.linux.dev, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, djwong@...nel.org,
        dan.j.williams@...el.com, david@...morbit.com, hch@...radead.org,
        jane.chu@...cle.com
Subject: Re: [PATCH v12 6/7] xfs: Implement ->notify_failure() for XFS

> --- a/fs/xfs/xfs_super.h
> +++ b/fs/xfs/xfs_super.h
> @@ -93,6 +93,7 @@ extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
>  extern const struct export_operations xfs_export_operations;
>  extern const struct xattr_handler *xfs_xattr_handlers[];
>  extern const struct quotactl_ops xfs_quotactl_operations;


> +extern const struct dax_holder_operations xfs_dax_holder_operations;

This needs to be defined to NULL if at least one of CONFIG_FS_DAX or
CONFIG_MEMORY_FAILURE is not set.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@....de>