Re: [PATCH 0/4] fat: allocate multiple clusters in fallocate

[OGAWA Hirofumi]

Matheus Alves de Almeida <matheus.aalmeida@xxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxx>