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xxhash is a faster non-cryptographic hash.
https://github.com/Cyan4973/xxHash
Release Taken: "xxHash v0.6.2"
--------------
Files added:
contrib/xxhash/xxhash.c
contrib/xxhash/xxhash.h
contrib/xxhash/xxhsum.c
Modifications to source:
------------------------
Following functions and data types got 'GF_' prefix
as below to avoid any form of name collisions in future.
---- Functions ----
GF_XXH_versionNumber
GF_XXH32
GF_XXH32_createState
GF_XXH32_freeState
GF_XXH32_copyState
GF_XXH32_reset
GF_XXH32_update
GF_XXH32_digest
GF_XXH32_canonicalFromHash
GF_XXH32_hashFromCanonical
GF_XXH64
GF_XXH64_createState
GF_XXH64_freeState
GF_XXH64_copyState
GF_XXH64_reset
GF_XXH64_update
GF_XXH64_digest
GF_XXH64_canonicalFromHash
GF_XXH64_hashFromCanonical
---- Data Types ----
GF_XXH_errorcode
GF_XXH32_state_t*
GF_XXH32_canonical_t*
GF_XXH32_hash_t
GF_XXH64_state_t*
GF_XXH64_canonical_t*
GF_XXH64_hash_t
It is linked with libglusterfs.so. A wrapper
funtion is also added for the easy usage in
common-utils.c.
xxhash can be used for the all the usecases where
a faster non-cryptographic hash is required.
gfid to path infra would be using this for now.
NOTE:
----
The gluster coding guidelines check is ignored
as maintaining it further would be difficult.
Updates: #253
Change-Id: Ib143f90d91d4ee99864a10246d5983e92900173b
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: https://review.gluster.org/17641
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
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