{"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\/it\/blog\/news\/dlya-yadra-linux-predlozhen-novyj-variant-drajvera-exfat","title":{"rendered":"\u00c8 stata proposta una nuova versione del driver exFAT per il kernel Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Lo sviluppatore coreano Park Ju Hyung, specializzato nella portabilit\u00e0 dei firmware Android per vari dispositivi, ha presentato<\/a><\/noindex> una nuova versione del driver per il filesystem exFAT — exfat-linux<\/a><\/noindex>, che \u00e8 un ramificazione del driver «sdFAT», sviluppato<\/a><\/noindex> dalla compagnia Samsung. Attualmente nel ramo staging del kernel Linux \u00e8 gi\u00e0 \u00e8 stata aggiunta<\/a><\/noindex> il driver exFAT di Samsung, ma \u00e8 basato su una vecchia base di codice del vecchio driver<\/a><\/noindex> (1.2.9). Attualmente Samsung utilizza nei suoi smartphone una variante completamente diversa del driver «sdFAT» (2.2.0), dalla quale \u00e8 derivata la sviluppo di Park Ju Hyung.<\/p>\n

Oltre al passaggio a una base di codice attuale, il driver exfat-linux proposto si distingue per la rimozione delle modifiche specifiche per Samsung, come la presenza di codice per lavorare con FAT12\/16\/32 (questi sistemi di file sono supportati in Linux da driver separati) e il deframmentatore integrato. La rimozione di questi componenti ha reso il driver portabile e adattabile per il kernel Linux standard, e non solo per i kernel utilizzati nei firmware Android di Samsung. <\/p>\n

Lo sviluppatore ha anche lavorato per semplificare l'installazione del driver. Gli utenti di Ubuntu possono installarlo da repository PPA<\/a><\/noindex>, mentre per gli altri distribuzioni \u00e8 sufficiente scaricare il codice e eseguire «make && make install». Il driver pu\u00f2 anche essere compilato insieme al kernel Linux, ad esempio durante la preparazione dei firmware per Android.<\/p>\n

In futuro \u00e8 previsto di mantenere il driver aggiornato, trasferendo modifiche dalla base di codice principale di Samsung e portandolo per nuove versioni del kernel. Attualmente, il funzionamento del driver \u00e8 stato testato con kernel da 3.4 a 5.3-rc su piattaforme x86 (i386), x86_64 (amd64), ARM32 (AArch32) e ARM64 (AArch64). L'autore della nuova variante del driver ha proposto agli sviluppatori del kernel di considerare l'inclusione del nuovo driver nel ramo staging come base per il driver exFAT standard del kernel, invece della variante obsoleta recentemente aggiunta.<\/p>\n

I test di prestazioni effettuati hanno mostrato un aumento della velocit\u00e0 nelle operazioni di scrittura con il nuovo driver. Quando il partizione \u00e8 collocata nel ramdisk: 2173 MB\/s contro 1961 MB\/s in I\/O sequenziale, 2222 MB\/s contro 2160 MB\/s in accesso casuale, e quando la partizione \u00e8 collocata in NVMe: 1832 MB\/s contro 1678 MB\/s e 1885 MB\/s contro 1827 MB\/s. La velocit\u00e0 delle operazioni di lettura \u00e8 aumentata nel test di lettura sequenziale in ramdisk (7042 MB\/s contro 6849 MB\/s) e nella lettura casuale in NVMe (26 MB\/s contro 24 MB\/s).
\n

\"\u00c8\"\u00c8<\/center><\/p>\n

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

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

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[…]<\/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\udd47 \u00c8 stata proposta una nuova versione del driver exFAT per il kernel Linux | ProHoster","description":"Lo sviluppatore coreano Park Ju Hyung, specializzato nella portabilit\u00e0 di firmware Android per diversi dispositivi, ha presentato una 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