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From: "André Almeida" <andrealmeid@collabora.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Hugh Dickins <hughd@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	krisman@collabora.com, smcv@collabora.com, kernel@collabora.com,
	linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Daniel Rosenberg <drosen@google.com>
Subject: Re: [RFC PATCH 1/4] Revert "libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()"
Date: Wed, 24 Mar 2021 17:09:48 -0300	[thread overview]
Message-ID: <5c20d261-eef2-aecc-8f1e-58fb5dbfcd72@collabora.com> (raw)
In-Reply-To: <20210323201530.GL1719932@casper.infradead.org>

Hi Matthew,

Às 17:15 de 23/03/21, Matthew Wilcox escreveu:
> On Tue, Mar 23, 2021 at 04:59:38PM -0300, André Almeida wrote:
>> This reverts commit 794c43f716845e2d48ce195ed5c4179a4e05ce5f.
>>
>> For implementing casefolding support at tmpfs, it needs to set dentry
>> operations at superblock level, given that tmpfs has no support for
>> fscrypt and we don't need to set operations on a per-dentry basis.
>> Revert this commit so we can access those exported function from tmpfs
>> code.
> 
> But tmpfs / shmem are Kconfig bools, not tristate.  They can't be built
> as modules, so there's no need to export the symbols.
> 
>> +#ifdef CONFIG_UNICODE
>> +extern int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str);
>> +extern int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
>> +				const char *str, const struct qstr *name);
>> +#endif
> 
> There's no need for the ifdef (it only causes unnecessary rebuilds) and
> the 'extern' keyword is also unwelcome.
> 

Thank you. Instead of reverting the commit, I'll do a new commit doing 
this in a properly way.


  reply	other threads:[~2021-03-24 20:09 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-23 19:59 [RFC PATCH 0/4] mm: shmem: Add case-insensitive support for tmpfs André Almeida
2021-03-23 19:59 ` [RFC PATCH 1/4] Revert "libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()" André Almeida
2021-03-23 20:15   ` Matthew Wilcox
2021-03-24 20:09     ` André Almeida [this message]
2021-03-23 19:59 ` [RFC PATCH 2/4] mm: shmem: Support case-insensitive file name lookups André Almeida
2021-03-23 20:18   ` Gabriel Krisman Bertazi
2021-03-24 20:17     ` André Almeida
2021-03-23 23:19   ` Al Viro
2021-03-24 20:44     ` André Almeida
2021-03-23 19:59 ` [RFC PATCH 3/4] mm: shmem: Add IOCTL support for tmpfs André Almeida
2021-03-23 22:15   ` Gabriel Krisman Bertazi
2021-03-23 19:59 ` [RFC PATCH 4/4] docs: tmpfs: Add casefold options André Almeida
2021-03-23 21:58   ` Randy Dunlap
2021-03-25 14:27     ` André Almeida
2021-03-23 22:19   ` Gabriel Krisman Bertazi
2021-03-24 20:47     ` André Almeida

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