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fsverity: store log2(digest_size) precomputed
authorEric Biggers <ebiggers@google.com>
Fri, 23 Dec 2022 20:36:30 +0000 (12:36 -0800)
committerEric Biggers <ebiggers@google.com>
Tue, 10 Jan 2023 03:05:56 +0000 (19:05 -0800)
commit579a12f78d889339488175cd9f353dba2bb8d047
treeb5ab4ec28788a73a4be44534f080f2889bac9a06tree | snapshot
parent9098f36b739db9a77d24b7c302dcb9d3fe987308commit | diff
fsverity: store log2(digest_size) precomputed

Add log_digestsize to struct merkle_tree_params so that it can be used
in verify.c.  Also save memory by using u8 for all the log_* fields.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Andrey Albershteyn <aalbersh@redhat.com>
Tested-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Link: https://lore.kernel.org/r/20221223203638.41293-4-ebiggers@kernel.org
fs/verity/fsverity_private.h diff | blob | history
fs/verity/open.c diff | blob | history
fs/verity/verify.c diff | blob | history
Domain: System / Kernel;