On Sat, Sep 14, 2024 at 8:24 PM Jaegeuk Kim via Linux-f2fs-devel
<linux-f2fs-devel@lists.sourceforge.net> wrote:
>
> This patch allows f2fs to submit bios of in-place writes on pinned file.
>
> Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
> ---
> fs/f2fs/sysfs.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index d18931b7b094..c56e8c873935 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -792,7 +792,8 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
> if (!strcmp(a->attr.name, "ipu_policy")) {
> if (t >= BIT(F2FS_IPU_MAX))
> return -EINVAL;
> - if (t && f2fs_lfs_mode(sbi))
> + /* allow F2FS_IPU_NOCACHE only for IPU in the pinned file */
> + if (f2fs_lfs_mode(sbi) && (t & ~BIT(F2FS_IPU_NOCACHE)))
> return -EINVAL;
> SM_I(sbi)->ipu_policy = (unsigned int)t;
> return count;
> --
> 2.46.0.662.g92d0881bb0-goog
>
Reviewed-by: Daeho Jeong <daehoje...@google.com>
Thanks,
>
>
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