linux-ext4 - Re: [PATCH v2 4/8] libfs: Expose generic_ci_dentry

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Date: Tue, 19 Dec 2023 15:56:09 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: Gabriel Krisman Bertazi <krisman@...e.de>
Cc: viro@...iv.linux.org.uk, jaegeuk@...nel.org, tytso@....edu,
	linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v2 4/8] libfs: Expose generic_ci_dentry_ops outside of
 libfs

On Fri, Dec 15, 2023 at 04:16:04PM -0500, Gabriel Krisman Bertazi wrote:
> In preparation to allow filesystems to set this through sb->s_d_op,
> expose the symbol directly to the filesystems.
> 
> Signed-off-by: Gabriel Krisman Bertazi <krisman@...e.de>
> ---
>  fs/libfs.c         | 2 +-
>  include/linux/fs.h | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/libfs.c b/fs/libfs.c
> index 52c944173e57..b8ecada3a5b2 100644
> --- a/fs/libfs.c
> +++ b/fs/libfs.c
> @@ -1765,7 +1765,7 @@ static int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
>  	return 0;
>  }
>  
> -static const struct dentry_operations generic_ci_dentry_ops = {
> +const struct dentry_operations generic_ci_dentry_ops = {
>  	.d_hash = generic_ci_d_hash,
>  	.d_compare = generic_ci_d_compare,

This needs an EXPORT_SYMBOL_GPL(), since the filesystems that will use this can
be loadable modules.

- Eric