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authorDaniel Vetter <daniel.vetter@ffwll.ch>2023-01-31 11:22:15 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2023-01-31 12:23:23 +0100
commitaebd8f0c6f8280ba35bc989f4a9ea47469d3589a (patch)
treea7c0f61c1827bb2904f453cc055dda138366c438 /fs/xfs/libxfs/xfs_btree.c
parent155c6b16eec2eaaaf6c71abf2d5e71641770d7ba (diff)
parent6d796c50f84ca79f1722bb131799e5a5710c4700 (diff)
Merge v6.2-rc6 into drm-next
Due to holidays we started -next with more -fixes in-flight than usual, and people have been asking where they are. Backmerge to get things better in sync. Conflicts: - Tiny conflict in drm_fbdev_generic.c between variable rename and missing error handling that got added. - Conflict in drm_fb_helper.c between the added call to vgaswitcheroo in drm_fb_helper_single_fb_probe and a refactor patch that extracted lots of helpers and incidentally removed the dev local variable. Readd it to make things compile. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'fs/xfs/libxfs/xfs_btree.c')
-rw-r--r--fs/xfs/libxfs/xfs_btree.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 4c16c8c31fcb..35f574421670 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -4666,7 +4666,12 @@ xfs_btree_space_to_height(
const unsigned int *limits,
unsigned long long leaf_blocks)
{
- unsigned long long node_blocks = limits[1];
+ /*
+ * The root btree block can have fewer than minrecs pointers in it
+ * because the tree might not be big enough to require that amount of
+ * fanout. Hence it has a minimum size of 2 pointers, not limits[1].
+ */
+ unsigned long long node_blocks = 2;
unsigned long long blocks_left = leaf_blocks - 1;
unsigned int height = 1;