{"id":38136,"date":"2019-10-31T22:21:51","date_gmt":"2019-10-31T19:21:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/dlya-yadra-linux-predlozhen-novyj-variant-drajvera-exfat\/"},"modified":"2019-10-31T22:21:51","modified_gmt":"2019-10-31T19:21:51","slug":"dlya-yadra-linux-predlozhen-novyj-variant-drajvera-exfat","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/dlya-yadra-linux-predlozhen-novyj-variant-drajvera-exfat","title":{"rendered":"Une nouvelle variante du pilote exFAT a \u00e9t\u00e9 propos\u00e9e pour le noyau Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Le d\u00e9veloppeur cor\u00e9en Park Ju Hyung, sp\u00e9cialiste du portage des firmwares Android pour divers appareils, pr\u00e9sent\u00e9<\/a><\/noindex> la nouvelle version du pilote pour le syst\u00e8me de fichiers exFAT — exfat-linux<\/a><\/noindex>, qui est une branche du pilote «sdFAT», d\u00e9velopp\u00e9e<\/a><\/noindex> par la soci\u00e9t\u00e9 Samsung. Actuellement, il y a d\u00e9j\u00e0 un pilote exFAT de Samsung dans la branche staging du noyau Linux, ajout\u00e9<\/a><\/noindex> mais il est bas\u00e9 sur une ancienne base de code de l'ancienne branche du pilote<\/a><\/noindex> (1.2.9). Actuellement, Samsung utilise une variante compl\u00e8tement diff\u00e9rente du pilote «sdFAT» (2.2.0), dont a d\u00e9coul\u00e9 le d\u00e9veloppement de Park Ju Hyung.<\/p>\n

En plus de passer \u00e0 une base de code \u00e0 jour, le pilote exfat-linux propos\u00e9 se distingue par la suppression des modifications sp\u00e9cifiques \u00e0 Samsung, telles que le code pour travailler avec FAT12\/16\/32 (ces syst\u00e8mes de fichiers sont support\u00e9s dans Linux par des pilotes s\u00e9par\u00e9s) et le d\u00e9fragmenteur int\u00e9gr\u00e9. La suppression de ces composants a permis de rendre le pilote portable et de l'adapter au noyau Linux standard, et non seulement aux noyaux utilis\u00e9s dans les firmwares Android de Samsung. <\/p>\n

Le d\u00e9veloppeur a \u00e9galement simplifi\u00e9 l'installation du pilote. Les utilisateurs d'Ubuntu peuvent l'installer depuis le d\u00e9p\u00f4t PPA<\/a><\/noindex>, et pour les autres distributions, il suffit de t\u00e9l\u00e9charger le code et d'ex\u00e9cuter «make && make install». Le pilote peut \u00e9galement \u00eatre compil\u00e9 avec le noyau Linux, par exemple lors de la pr\u00e9paration des firmwares pour Android.<\/p>\n

\u00c0 l'avenir, il est pr\u00e9vu de maintenir le pilote \u00e0 jour en transf\u00e9rant les modifications de la base de code principale de Samsung et en le portant pour de nouvelles versions du noyau. Actuellement, le fonctionnement du pilote a \u00e9t\u00e9 v\u00e9rifi\u00e9 lors de la compilation avec des noyaux allant de 3.4 \u00e0 5.3-rc sur les plateformes x86 (i386), x86_64 (amd64), ARM32 (AArch32) et ARM64 (AArch64). L'auteur de la nouvelle variante du pilote a propos\u00e9 aux d\u00e9veloppeurs de noyau d'envisager d'inclure le nouveau pilote dans la branche staging comme base pour le pilote exFAT standard du noyau, au lieu de l'ancienne variante r\u00e9cemment ajout\u00e9e.<\/p>\n

Les tests de performance effectu\u00e9s ont montr\u00e9 une augmentation de la vitesse des op\u00e9rations d'\u00e9criture avec le nouveau pilote. Lors du placement de la partition dans le ramdisk : 2173 Mo\/s contre 1961 Mo\/s pour l'E\/S s\u00e9quentielle, 2222 Mo\/s contre 2160 Mo\/s pour l'acc\u00e8s al\u00e9atoire, et lors du placement de la partition dans NVMe : 1832 Mo\/s contre 1678 Mo\/s et 1885 Mo\/s contre 1827 Mo\/s. La vitesse des op\u00e9rations de lecture a augment\u00e9 lors du test de lecture s\u00e9quentielle dans le ramdisk (7042 Mo\/s contre 6849 Mo\/s) et de lecture al\u00e9atoire dans NVMe (26 Mo\/s contre 24 Mo\/s).
\n

\"Une\"Une<\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Source : opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u0440\u0435\u0439\u0441\u043a\u0438\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a Park Ju Hyung, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u044e\u0449\u0438\u0439\u0441\u044f \u043d\u0430 \u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u043d\u0438\u0438 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a Android \u0434\u043b\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043d\u043e\u0432\u0443\u044e \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b exFAT — exfat-linux, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0442\u0432\u0435\u0442\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043e\u0442 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 «sdFAT», \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Samsung. \u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u0432 staging-\u0432\u0435\u0442\u043a\u0443 \u044f\u0434\u0440\u0430 Linux \u0443\u0436\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d \u0434\u0440\u0430\u0439\u0432\u0435\u0440 exFAT \u043e\u0442 Samsung, \u043d\u043e \u043e\u043d \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u043d\u0430 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u0435 \u0441\u0442\u0430\u0440\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 (1.2.9). […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28625,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-38136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Une nouvelle version du pilote exFAT propos\u00e9e pour le noyau Linux | ProHoster","description":"Le d\u00e9veloppeur cor\u00e9en Park Ju Hyung, sp\u00e9cialis\u00e9 dans le portage des firmwares Android pour divers appareils, a pr\u00e9sent\u00e9 une 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