{"id":55473,"date":"2020-01-21T00:00:00","date_gmt":"2020-01-20T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/samsung-predlozhil-novyj-variant-drajvera-exfat-dlya-yadra-linux"},"modified":"2020-02-18T14:03:35","modified_gmt":"2020-02-18T11:03:35","slug":"samsung-predlozhil-novyj-variant-drajvera-exfat-dlya-yadra-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/samsung-predlozhil-novyj-variant-drajvera-exfat-dlya-yadra-linux","title":{"rendered":"Samsung nab\u00eddl novou verzi ovlada\u010de exFAT pro j\u00e1dro Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost Samsung <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2020\/1\/18\/114\">navrhla<\/a><\/noindex>  pro za\u0159azen\u00ed do j\u00e1dra Linuxu je p\u0159ipraveno mno\u017estv\u00ed patch\u016f implementuj\u00edc\u00edch nov\u00fd ovlada\u010d exFAT, zalo\u017een\u00fd na aktu\u00e1ln\u00ed k\u00f3dov\u00e9 z\u00e1kladn\u011b &#171;sdfat&#187;, kter\u00e1 se vyv\u00edj\u00ed pro firmware smartphon\u016f Samsung s Androidem. Pokud budou patchy p\u0159ijaty, budou sou\u010d\u00e1st\u00ed j\u00e1dra Linux 5.6, jeho\u017e vyd\u00e1n\u00ed se o\u010dek\u00e1v\u00e1 za 2-3 m\u011bs\u00edce. Ve srovn\u00e1n\u00ed s d\u0159\u00edve p\u0159idan\u00fdm ovlada\u010dem exFAT do j\u00e1dra nov\u00fd ovlada\u010d p\u0159in\u00e1\u0161\u00ed n\u00e1r\u016fst v\u00fdkonu p\u0159ibli\u017en\u011b o 10%.<\/p>\n<p>Hlavn\u00ed rozd\u00edly edice ovlada\u010de sdfat pro hlavn\u00ed j\u00e1dro Linux oproti ovlada\u010di, kter\u00fd pou\u017e\u00edv\u00e1 Samsung v Androidu:<\/p>\n<ul>\n<li class=\"l\"> Byl odstran\u011bn k\u00f3d implementuj\u00edc\u00ed FS VFAT, proto\u017ee tento souborov\u00fd syst\u00e9m ji\u017e je samostatn\u011b podporov\u00e1n v j\u00e1d\u0159e (fs\/fat);\n<li class=\"l\"> Ovlada\u010d byl p\u0159ejmenov\u00e1n ze sdfat na exfat;\n<li class=\"l\"> Bylo provedeno refaktoring k\u00f3du. Zdrojov\u00e9 texty byly p\u0159izp\u016fsobeny po\u017eadavk\u016fm na form\u00e1tov\u00e1n\u00ed k\u00f3du pro j\u00e1dro Linux;\n<li class=\"l\"> Byla provedena optimalizace operac\u00ed s Metadaty, jako je vytv\u00e1\u0159en\u00ed soubor\u016f, vyhled\u00e1v\u00e1n\u00ed prvk\u016f FS (lookup) a ur\u010dov\u00e1n\u00ed obsahu adres\u00e1\u0159e (readdir).\n<li class=\"l\"> Byly opraveny chyby zji\u0161t\u011bn\u00e9 p\u0159i dodate\u010dn\u00e9m testov\u00e1n\u00ed.\n<\/ul>\n<p>P\u0159ipome\u0148me, \u017ee pot\u00e9, co spole\u010dnost Microsoft <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51374\">publikovala<\/a><\/noindex> ve\u0159ejn\u00e9 specifikace a umo\u017enila bez\u00faplatn\u00e9 pou\u017e\u00edv\u00e1n\u00ed patent\u016f na exFAT v Linuxu, do experiment\u00e1ln\u00ed sekce &#171;staging&#187; (&#171;drivers\/staging\/&#187;) j\u00e1dra 5.4 byl p\u0159id\u00e1n ovlada\u010d exFAT, kter\u00fd tak\u00e9 vyvinula spole\u010dnost Samsung, ale je zalo\u017een na  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/dorimanx\/exfat-nofuse\">zastaral\u00e9m k\u00f3du<\/a><\/noindex> (verze 1.2.9). Nad\u0161enci z Android firmware vyvinuli <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51490\">portov\u00e1no<\/a><\/noindex> nov\u00fd ovlada\u010d sdFAT (2.x), av\u0161ak spole\u010dnost Samsung se sama rozhodla v\u011bnovat propagaci tohoto ovlada\u010de do hlavn\u00edho j\u00e1dra Linux. Krom\u011b toho spole\u010dnost Paragon Software otev\u0159ela <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51724\">alternativn\u00ed ovlada\u010d<\/a><\/noindex>, d\u0159\u00edve dod\u00e1van\u00fd v propriet\u00e1rn\u00edm bal\u00ed\u010dku ovlada\u010d\u016f.<\/p>\n<p>Soubory syst\u00e9mu exFAT byly vytvo\u0159eny spole\u010dnost\u00ed Microsoft za \u00fa\u010delem odstran\u011bn\u00ed omezen\u00ed FAT32 p\u0159i pou\u017e\u00edv\u00e1n\u00ed na flash pam\u011btech velk\u00e9ho objemu. Podpora souborov\u00e9ho syst\u00e9mu exFAT se objevila ve Windows Vista Service Pack 1 a Windows XP se Service Pack 2. Maxim\u00e1ln\u00ed velikost souboru byla ve srovn\u00e1n\u00ed s FAT32 roz\u0161\u00ed\u0159ena z 4 GB na 16 exabajt\u016f, bylo odstran\u011bno omezen\u00ed maxim\u00e1ln\u00ed velikosti odd\u00edlu na 32 GB, pro sn\u00ed\u017een\u00ed fragmentace a zv\u00fd\u0161en\u00ed rychlosti byla zavedena bitmapa voln\u00fdch blok\u016f, omezen\u00ed po\u010dtu soubor\u016f v jednom adres\u00e1\u0159i bylo zv\u00fd\u0161eno na 65 tis\u00edc a byla zaji\u0161t\u011bna mo\u017enost uchov\u00e1v\u00e1n\u00ed ACL. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52222\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Samsung \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b\u0430 \u0434\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432 \u044f\u0434\u0440\u043e Linux \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043d\u043e\u0432\u043e\u0433\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 exFAT, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u0435 &#171;sdfat&#187;, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a Android-\u0441\u043c\u0430\u0440\u0442\u0444\u043e\u043d\u043e\u0432 Samsung. \u0415\u0441\u043b\u0438 \u043f\u0430\u0442\u0447\u0438 \u0431\u0443\u0434\u0443\u0442 \u043f\u0440\u0438\u043d\u044f\u0442\u044b, \u0442\u043e \u043e\u043d\u0438 \u0432\u043e\u0439\u0434\u0443\u0442 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux 5.6, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043e\u0436\u0438\u0434\u0430\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 2-3 \u043c\u0435\u0441\u044f\u0446\u0430. \u041f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u0440\u0430\u043d\u0435\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u043c \u0432 \u044f\u0434\u0440\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u043c exFAT, \u043d\u043e\u0432\u044b\u0439 \u0434\u0440\u0430\u0439\u0432\u0435\u0440 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-55473","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Samsung \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b\u0430 \u0434\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432 \u044f\u0434\u0440\u043e Linux \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043d\u043e\u0432\u043e\u0433\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 exFAT, 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Linux | ProHoster","description":"Spole\u010dnost Samsung navrhla pro za\u0159azen\u00ed do j\u00e1dra Linux sadu patch\u016f s realizac\u00ed nov\u00e9ho ovlada\u010de exFAT, zalo\u017een\u00e9ho na aktu\u00e1ln\u00ed verzi.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/samsung-predlozhil-novyj-variant-drajvera-exfat-dlya-yadra-linux","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Samsung \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u043d\u043e\u0432\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 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