Re: (subset) [PATCH v4 00/11] exfat: convert to iomap

[Christian Brauner]

On Mon, 18 May 2026 20:46:54 +0900, Namjae Jeon wrote:
> This patch series converts the exfat filesystem to the iomap framework for
> buffered I/O, direct I/O, and llseek (SEEK_HOLE/SEEK_DATA) support.
> 
> iozone benchmark results (4KB cluster size, -s1g -r64k, 1GB file, 64KB record size)
> 
>                        1 thread                  4 threads
>                      Write      Read           Write      Read
>                      (MB/s)    (MB/s)         (MB/s)    (MB/s)
> -----------------------------------------------------------------
> exfat + iomap patch   332.7     418.1           78.6      82.4
> Current exfat         278.4     415.1           42.1      38.0
> -----------------------------------------------------------------
> Improvement           +19.5%    +0.7%          +86.7%   +117.4%
> 
> [...]

Applied to the vfs-7.2.iomap branch of the vfs/vfs.git tree.
Patches in the vfs-7.2.iomap branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs-7.2.iomap

[01/11] iomap: introduce IOMAP_F_ZERO_TAIL flag
        https://git.kernel.org/vfs/vfs/c/f356603d90eb