From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
To: Matheus Alves de Almeida <matheus.aalmeida@inf.ufrgs.br>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/4] fat: allocate multiple clusters in fallocate
Date: Mon, 12 Oct 2026 03:55:41 +0900 [thread overview]
Message-ID: <874iesm5hu.fsf@mail.parknet.co.jp> (raw)
In-Reply-To: <20261008020941.55784-1-matheus.aalmeida@inf.ufrgs.br>
Matheus Alves de Almeida <matheus.aalmeida@inf.ufrgs.br> writes:
> Hi,
>
> This series adds support for allocating multiple clusters in a single
> fat_add_clusters() call in fat_fallocate().
>
> The multi-cluster TODO in inode.c is not implemented, as doing so would
> require speculative preallocation or an iomap conversion.
Is this to improve the performance of fallocate? If so, what the number
by improved bench or such?
> Matheus Alves de Almeida (4):
> fat: remove cluster allocation size limit
> fat: return only first cluster when allocating
> fat: support adding multiple clusters
> fat: allocate multiple clusters in fallocate
>
> fs/fat/dir.c | 20 +++++++++++++++-
> fs/fat/fat.h | 4 ++--
> fs/fat/fatent.c | 61 ++++++++++++++++++++++++++++++++-----------------
> fs/fat/file.c | 10 ++++----
> fs/fat/inode.c | 8 +++----
> 5 files changed, 69 insertions(+), 34 deletions(-)
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
next prev parent reply other threads:[~2026-10-11 18:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-08 2:09 [PATCH 0/4] fat: allocate multiple clusters in fallocate Matheus Alves de Almeida
2026-10-08 2:09 ` [PATCH 1/4] fat: remove cluster allocation size limit Matheus Alves de Almeida
2026-10-08 2:09 ` [PATCH 2/4] fat: return only first cluster when allocating Matheus Alves de Almeida
2026-10-11 18:57 ` OGAWA Hirofumi
2026-10-12 5:44 ` Matheus Alves de Almeida
2026-10-12 6:03 ` OGAWA Hirofumi
2026-10-08 2:09 ` [PATCH 3/4] fat: support adding multiple clusters Matheus Alves de Almeida
2026-10-08 2:09 ` [PATCH 4/4] fat: allocate multiple clusters in fallocate Matheus Alves de Almeida
2026-10-11 18:55 ` OGAWA Hirofumi [this message]
2026-10-12 5:43 ` [PATCH 0/4] " Matheus Alves de Almeida
2026-10-12 6:01 ` OGAWA Hirofumi
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