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Howlett" , Matthew Wilcox , Greg Kroah-Hartman Cc: JaeJoon Jung , linux-kernel@vger.kernel.org, linux-mm@kvack.org, maple-tree@lists.infradead.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v2 2/2] lib/htree: Modified Documentation/core-api/htree.rst Date: Mon, 5 Aug 2024 19:01:49 +0900 Message-Id: <20240805100149.14445-1-rgbi3307@gmail.com> X-Mailer: git-send-email 2.17.1 X-Rspamd-Queue-Id: 901AD180027 X-Stat-Signature: 1h7boq6k6q7jmr39mnfw3iyrkd58qtaf X-Rspamd-Server: rspam09 X-Rspam-User: X-HE-Tag: 1722852124-244262 X-HE-Meta: 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 RVz8juP5 zaFfd+eS4aKZ9WZoifOxGjQolsEgCFWsxyk92TbX1sHR3j4Pq3PCXgW4UaHKSEZietHZtYU7A769zxuUNaSVroJawc0QFGKoX/zTuaz9Kpg28yqaRntUeGRY1ikkb7f4GQ5CieST7AEymWFOJTiKQo1s6CVsdfyRFnXl8l9/IzxzCjerL7emntBUN9rgrJcztKtW4cgeRqYFUKprrg+hz5QwafsLb24gxLrR8g5nwBNGPyWBXDYAOpwRXP4q/r4aM0TTRMAzCxhwYYJLn0NZuppVw0Nws31CsQcBU5RfaQNBmnb1JBRe7Ve0UibrFvuQT46Iqd6h+wXyQuC4= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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 --- 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