Re: [PATCH v2] xfs: fix off-by-one in rtrefcount btree root level validation
Carlos Maiolino <[email protected]>
| Newsgroups | org.kernel.vger.linux-xfs,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <178463069007.324722.5307902735949232521.b4-ty@b4> |
On Tue, 14 Jul 2026 14:56:12 -0700, Xiang Mei wrote:
> xfs_rtrefcountbt_compute_maxlevels() sets
>
> mp->m_rtrefc_maxlevels = min(d_maxlevels, r_maxlevels) + 1;
>
> where the trailing "+ 1" already accounts for the inode-root level, so the
> deepest valid on-disk root level is m_rtrefc_maxlevels - 1 and a cursor must
> satisfy bc_nlevels <= bc_maxlevels (= m_rtrefc_maxlevels).
>
> [...]
Applied to for-next, thanks!
[1/1] xfs: fix off-by-one in rtrefcount btree root level validation
commit: fde50b32183f19041b4bab66c8f07b1cc38f8e26
Best regards,
--
Carlos Maiolino <[email protected]>