Implementation of new Hash Tree [PATCH v2] ------------------------------------------ Added description of locking interface full source: ------------ https://github.com/kernel-bz/htree.git Manual(PDF): ------------ https://github.com/kernel-bz/htree/blob/main/docs/htree-20240802.pdf Signed-off-by: JaeJoon Jung <rgbi3307@xxxxxxxxx> --- Documentation/core-api/htree.rst | 56 +++++++++++++++++++++++--------- 1 file changed, 40 insertions(+), 16 deletions(-) diff --git a/Documentation/core-api/htree.rst b/Documentation/core-api/htree.rst index 78073b413779..186b4c29587f 100644 --- a/Documentation/core-api/htree.rst +++ b/Documentation/core-api/htree.rst @@ -85,27 +85,51 @@ Hash Tree Summary (include/linux/htree.h) Hash Tree API flow (lib/htree.c, lib/htree-test.c) ----------------------------------------------------------------------------- -*hts = ht_hts_alloc() /* alloc hts */ -ht_hts_clear_init(hts, ...) /* max nr, type(32/64bits), sort(ASC, DES) */ -*htree = ht_table_alloc(hts) /* alloc first(depth:0) htree */ +DEFINE_HTREE_ROOT(ht_root); /* define htree_root */ + +*hts = ht_hts_alloc(); /* alloc hts */ + +ht_hts_clear_init(hts, ...); /* max nr, type(32/64bits), sort(ASC, DES) */ + +htree_root_alloc(hts, &ht_root);/* alloc first(root) hash tree */ run_loop() { - *udata = _data_alloc(index) /* alloc udata */ - ht_insert(hts, htree, udata->hdata, ..) /* working data with index */ - ht_erase(hts, htree, index) - hdata = ht_find(hts, htree, index) - hdata = ht_most_index(hts, htree) /* smallest, largest index */ - ht_statis(hts, htree, ...) /* statistic */ + *udata = _data_alloc(index); /* alloc udata */ + + /* working data with index */ + ht_insert_lock(hts, &ht_root, udata->hdata, ..); + ht_erase_lock(hts, &ht_root, index); + hdata = ht_find(hts, ht_root.ht_first, index); + + /* smallest, largest index */ + hdata = ht_most_index(hts, ht_root.ht_first); + + /* statistic */ + ht_statis(hts, ht_root.ht_first, ...); } -htree_erase_all(hts, htree) /* remove all udata */ -ht_destroy(hts, htree) /* remove all htree */ -kfree(hts) /* remove hts */ +htree_erase_all_lock(hts, &ht_root); /* remove all udata */ +ht_destroy_lock(hts, &ht_root); /* remove all htree */ +kfree(hts) /* remove hts */ ----------------------------------------------------------------------------- -Please refer to the attached PDF for more detailed information. +Build (Compile) ----------------------------------------------------------------------------- -documents(PDF): - https://github.com/kernel-bz/htree/tree/main/docs/htree=20240802.pdf +lib/Kconfig.debug -Thanks. ++config HTREE_TEST ++ tristate "Hash Tree test" ++ depends on DEBUG_KERNEL ++ help ++ A performance testing of the hash tree library. ++ + +lib/Makefile + ++ lib-y += htree.o ++ obj-$(CONFIG_HTREE_TEST) += htree-test.o + +----------------------------------------------------------------------------- +Please refer to the attached PDF for more detailed information: +https://github.com/kernel-bz/htree/blob/main/docs/htree-20240802.pdf +----------------------------------------------------------------------------- -- 2.17.1
