Re: [PATCH 0/2] exfat: fix cluster allocation accounting and locking
From: Namjae Jeon
Date: Sat Sep 05 2026 - 05:34:02 EST
On Sat, Sep 5, 2026 at 2:50 PM Chi Zhiling <chizhiling@xxxxxxx> wrote:
>
> From: Chi Zhiling <chizhiling@xxxxxxxxxx>
>
> Patch 1 fixes sbi->used_clusters accounting when cluster allocation
> fails partway through. This can cause the counter to underflow.
> The issue is caught by generic/476.
>
> Patch 2 takes bitmap_lock before checking and allocating clusters.
>
>
> Chi Zhiling (2):
> exfat: fix used_clusters accounting during cluster allocation
> exfat: take bitmap_lock at the start of exfat_alloc_cluster()
Applied them to #dev.
Thanks!