From: Randy Dunlap <rdunlap@infradead.org>
To: "André Almeida" <andrealmeid@collabora.com>,
"Hugh Dickins" <hughd@google.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Alexander Viro" <viro@zeniv.linux.org.uk>
Cc: 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 4/4] docs: tmpfs: Add casefold options
Date: Tue, 23 Mar 2021 14:58:20 -0700 [thread overview]
Message-ID: <ec9ce4a7-30a9-67a1-90ce-e7709f04eb12@infradead.org> (raw)
In-Reply-To: <20210323195941.69720-5-andrealmeid@collabora.com>
Hi--
On 3/23/21 12:59 PM, André Almeida wrote:
> Document mounting options to enable casefold support in tmpfs.
>
> Signed-off-by: André Almeida <andrealmeid@collabora.com>
> ---
> Documentation/filesystems/tmpfs.rst | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/Documentation/filesystems/tmpfs.rst b/Documentation/filesystems/tmpfs.rst
> index 0408c245785e..84c87c309bd7 100644
> --- a/Documentation/filesystems/tmpfs.rst
> +++ b/Documentation/filesystems/tmpfs.rst
> @@ -170,6 +170,32 @@ So 'mount -t tmpfs -o size=10G,nr_inodes=10k,mode=700 tmpfs /mytmpfs'
> will give you tmpfs instance on /mytmpfs which can allocate 10GB
> RAM/SWAP in 10240 inodes and it is only accessible by root.
>
> +tmpfs has the following mounting options for case-insesitive lookups support:
> +
> +========= ==============================================================
> +casefold Enable casefold support at this mount point using the given
> + argument as enconding. Currently only utf8 encondings are supported.
encoding. encodings
> +cf_strict Enable strict casefolding at this mouting point (disabled by
mount
> + default). This means that invalid strings should be reject by the
rejected
> + file system.
> +========= ==============================================================
> +
> +Note that this option doesn't enable casefold by default, one needs to set
default; one needs to set the
> +casefold flag per directory, setting the +F attribute in an empty directory. New
> +directories within a casefolded one will inherit the flag.
--
~Randy
next prev parent reply other threads:[~2021-03-23 21:58 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
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 [this message]
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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