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Adjust for new augmented rbtree compute callback function signature

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The new variant of the code that recomputes the augmented value
is designed to handle non-scalar types and to facilitate that, it
has new semantics for the _compute callback. It is now passed a
boolean flag `exit` that indicates that if the value isn't changed,
it should exit and halt propagation.

The callback function now shall return whether that propagation should
stop or not, and not the computed new value. The callback can now
directly update the new computed value in the node.

Signed-off-by: Auke Kok <auke.kok@versity.com>
This commit is contained in:
Auke Kok
2023-10-09 15:35:40 -04:00
parent f27431b3ae
commit c683ded0e6
2 changed files with 29 additions and 1 deletions
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kmod/src/Makefile.kernelcompat
+10
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@@ -53,3 +53,13 @@ endif
ifneq (,$(shell grep 'posix_acl_valid.*user_ns,' include/linux/posix_acl.h))
ccflags-y += -DKC_POSIX_ACL_VALID_USER_NS
endif
#
# v5.3-12296-g6d2052d188d9
#
# The RBCOMPUTE function is now passed an extra flag, and should return a bool
# to indicate whether the propagated callback should stop or not.
#
ifneq (,$(shell grep 'static inline bool RBNAME.*_compute_max' include/linux/rbtree_augmented.h))
ccflags-y += -DKC_RB_TREE_AUGMENTED_COMPUTE_MAX
endif