{"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\/sv\/blog\/news\/dlya-yadra-linux-predlozhen-novyj-variant-drajvera-exfat","title":{"rendered":"En ny variant av drivrutinen exFAT har f\u00f6reslagits f\u00f6r Linux-k\u00e4rnan.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Den koreanska utvecklaren Park Ju Hyung, som specialiserar sig p\u00e5 portering av Android-firmware f\u00f6r olika enheter, \u00e5r<\/a><\/noindex> en ny version av drivrutinen f\u00f6r exFAT-filsystemet \u2014 exfat-linux<\/a><\/noindex>, som \u00e4r en avknoppning av drivrutinen \u00absdFAT\u00bb, utvecklat<\/a><\/noindex> utvecklad av Samsung. F\u00f6r n\u00e4rvarande \u00e4r drivrutinen redan i staging-grenen av Linux-k\u00e4rnan tillagd<\/a><\/noindex> exFAT-drivrutinen fr\u00e5n Samsung, men den \u00e4r baserad p\u00e5 kodbasen fr\u00e5n den gamla drivrutinen<\/a><\/noindex> (1.2.9). F\u00f6r n\u00e4rvarande anv\u00e4nder Samsung en helt annan version av drivrutinen \u00absdFAT\u00bb (2.2.0), vars avknoppning ledde till utvecklingen av Park Ju Hyung.<\/p>\n

F\u00f6rutom att byta till en aktuell kodbas skiljer sig den f\u00f6reslagna drivrutinen exfat-linux genom att specifika modifieringar f\u00f6r Samsung har tagits bort, s\u00e5som kod f\u00f6r att arbeta med FAT12\/16\/32 (dessa filsystem st\u00f6ds i Linux av separata drivrutiner) och en inbyggd defragmenterare. Borttagningen av dessa komponenter har gjort drivrutinen portabel och anpassad f\u00f6r standard-Linux-k\u00e4rnan, och inte bara f\u00f6r k\u00e4rnor som anv\u00e4nds i Samsungs Android-firmware. <\/p>\n

Utvecklaren har ocks\u00e5 arbetat med att f\u00f6renkla installationen av drivrutinen. Anv\u00e4ndare av Ubuntu kan installera den fr\u00e5n PPA-repository<\/a><\/noindex>, medan f\u00f6r andra distributioner r\u00e4cker det med att ladda ner koden och k\u00f6ra \u00abmake && make install\u00bb. Drivrutinen kan ocks\u00e5 kompileras tillsammans med Linux-k\u00e4rnan, till exempel vid f\u00f6rberedelse av firmware f\u00f6r Android.<\/p>\n

I framtiden planeras support f\u00f6r att h\u00e5lla drivrutinen uppdaterad genom att \u00f6verf\u00f6ra \u00e4ndringar fr\u00e5n den huvudsakliga kodbasen fr\u00e5n Samsung och portera den f\u00f6r nya versioner av k\u00e4rnan. F\u00f6r n\u00e4rvarande har drivrutinen testats vid sammanst\u00e4llning med k\u00e4rnor fr\u00e5n 3.4 till 5.3-rc p\u00e5 plattformar x86 (i386), x86_64 (amd64), ARM32 (AArch32) och ARM64 (AArch64). F\u00f6rfattaren av den nya drivrutinen har f\u00f6reslagit att k\u00e4rnutvecklarna \u00f6verv\u00e4ger att inkludera den nya drivrutinen i staging-grenen som en grund f\u00f6r standard exFAT-drivrutinen i k\u00e4rnan, ist\u00e4llet f\u00f6r den nyligen tillagda f\u00f6r\u00e5ldrade varianten.<\/p>\n

Genomf\u00f6rda prestandatest har visat en \u00f6kning av skrivhastigheten vid anv\u00e4ndning av den nya drivrutinen. Vid placering av partitionen i ramdisk: 2173 MB\/s j\u00e4mf\u00f6rt med 1961 MB\/s vid sekventiell in- och utdata, 2222 MB\/s mot 2160 MB\/s vid slumpm\u00e4ssig \u00e5tkomst, och vid placering av partitionen i NVMe: 1832 MB\/s mot 1678 MB\/s och 1885 MB\/s mot 1827 MB\/s. Hastigheten f\u00f6r l\u00e4soperationer \u00f6kade i testet f\u00f6r sekventiell l\u00e4sning i ramdisk (7042 MB\/s mot 6849 MB\/s) och slumpm\u00e4ssig l\u00e4sning i NVMe (26 MB\/s mot 24 MB\/s).
\n

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

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

K\u00e4lla: 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\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\udd47En ny version av exFAT-drivrutinen har f\u00f6reslagits f\u00f6r Linux-k\u00e4rnan | ProHoster","description":"Den koreanska utvecklaren Park Ju Hyung, specialiserad p\u00e5 portering av Android-firmware f\u00f6r olika enheter, har introducerat en 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