{"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\/cs\/blog\/news\/dlya-yadra-linux-predlozhen-novyj-variant-drajvera-exfat","title":{"rendered":"Nov\u00e1 varianta ovlada\u010de exFAT byla navr\u017eena pro j\u00e1dro Linuxu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Korejsk\u00fd v\u00fdvoj\u00e1\u0159 Park Ju Hyung, specializuj\u00edc\u00ed se na portov\u00e1n\u00ed firmware Android pro r\u016fzn\u00e1 za\u0159\u00edzen\u00ed, p\u0159edstavil<\/a><\/noindex> novou edici ovlada\u010de pro souborov\u00fd syst\u00e9m exFAT \u2013 exfat-linux<\/a><\/noindex>, kter\u00fd je odno\u017e\u00ed ovlada\u010de \u201esdFAT\u201c, vyvinut\u00e9ho<\/a><\/noindex> spole\u010dnost\u00ed Samsung. V sou\u010dasnosti je ve staging v\u011btvi j\u00e1dra Linuxu ji\u017e p\u0159id\u00e1n<\/a><\/noindex> ovlada\u010d exFAT od spole\u010dnosti Samsung, ale je zalo\u017een na k\u00f3dov\u00e9 z\u00e1kladn\u011b star\u00e9 v\u011btve ovlada\u010de<\/a><\/noindex> (1.2.9). V sou\u010dasn\u00e9 dob\u011b Samsung pou\u017e\u00edv\u00e1 ve sv\u00fdch smartphonech zcela jinou variantu ovlada\u010de \u201esdFAT\u201c (2.2.0), odno\u017e\u00ed kter\u00e9ho se stala v\u00fdvoj Park Ju Hyunga.<\/p>\n

Krom\u011b p\u0159echodu na aktu\u00e1ln\u00ed k\u00f3dovou z\u00e1kladnu se navrhovan\u00fd ovlada\u010d exfat-linux li\u0161\u00ed odstran\u011bn\u00edm specifick\u00fdch modifikac\u00ed pro Samsung, jako je p\u0159\u00edtomnost k\u00f3du pro pr\u00e1ci s FAT12\/16\/32 (tento souborov\u00fd syst\u00e9m je v Linuxu podporov\u00e1n samostatn\u00fdmi ovlada\u010di) a vestav\u011bn\u00fdm defragment\u00e1torem. Odstran\u011bn\u00ed t\u011bchto komponent umo\u017enilo u\u010dinit ovlada\u010d p\u0159enosn\u00fdm a p\u0159izp\u016fsobit ho pro standardn\u00ed j\u00e1dro Linuxu, a ne pouze pro j\u00e1dra pou\u017e\u00edvan\u00e1 v Android firmwarech Samsung. <\/p>\n

V\u00fdvoj\u00e1\u0159 tak\u00e9 provedl pr\u00e1ci na zjednodu\u0161en\u00ed instalace ovlada\u010de. U\u017eivatel\u00e9 Ubuntu jej mohou nainstalovat z PPA-repozit\u00e1\u0159e<\/a><\/noindex>, a pro ostatn\u00ed distribuce sta\u010d\u00ed st\u00e1hnout k\u00f3d a prov\u00e9st \u201emake && make install\u201c. Ovlada\u010d m\u016f\u017ee b\u00fdt tak\u00e9 sestaven spolu s j\u00e1drem Linuxu, nap\u0159\u00edklad p\u0159i p\u0159\u00edprav\u011b firmware pro Android.<\/p>\n

V budoucnu se pl\u00e1nuje udr\u017een\u00ed ovlada\u010de v aktu\u00e1ln\u00edm stavu, p\u0159en\u00e1\u0161en\u00edm zm\u011bn z hlavn\u00ed k\u00f3dov\u00e9 z\u00e1kladny Samsung a portov\u00e1n\u00edm pro nov\u00e9 verze j\u00e1dra. V sou\u010dasnosti byla \u010dinnost ovlada\u010de ov\u011b\u0159ena p\u0159i kompilaci s j\u00e1dry od 3.4 a\u017e po 5.3-rc na platform\u00e1ch x86 (i386), x86_64 (amd64), ARM32 (AArch32) a ARM64 (AArch64). Autor nov\u00e9 varianty ovlada\u010de navrhl v\u00fdvoj\u00e1\u0159\u016fm j\u00e1dra zv\u00e1\u017eit zahrnut\u00ed nov\u00e9ho ovlada\u010de do v\u011btve staging jako z\u00e1klad pro standardn\u00ed exFAT ovlada\u010d j\u00e1dra, m\u00edsto ned\u00e1vno p\u0159idan\u00e9 zastaral\u00e9 varianty.<\/p>\n

Proveden\u00e9 testy v\u00fdkonu uk\u00e1zaly zlep\u0161en\u00ed rychlosti z\u00e1pisu p\u0159i pou\u017eit\u00ed nov\u00e9ho ovlada\u010de. P\u0159i um\u00edst\u011bn\u00ed odd\u00edlu do ramdisku: 2173 MB\/s oproti 1961 MB\/s p\u0159i sekven\u010dn\u00edm vstupu\/v\u00fdstupu, 2222 MB\/s oproti 2160 MB\/s p\u0159i n\u00e1hodn\u00e9m p\u0159\u00edstupu, a p\u0159i um\u00edst\u011bn\u00ed odd\u00edlu do NVMe: 1832 MB\/s oproti 1678 MB\/s a 1885 MB\/s oproti 1827 MB\/s. Rychlost \u010dten\u00ed se zv\u00fd\u0161ila v testu sekven\u010dn\u00edho \u010dten\u00ed v ramdisku (7042 MB\/s oproti 6849 MB\/s) a n\u00e1hodn\u00e9ho \u010dten\u00ed v NVMe (26 MB\/s oproti 24 MB\/s)
\n

\"Nov\u00e1\"Nov\u00e1<\/center><\/p>\n

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

Zdroj: 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). 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