{"id":103420,"date":"2022-02-23T21:36:49","date_gmt":"2022-02-23T19:36:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/razrabotchiki-yadra-linux-obsuzhdayut-vozmozhnost-udaleniya-reiserfs"},"modified":"2022-02-23T21:36:49","modified_gmt":"2022-02-23T19:36:49","slug":"razrabotchiki-yadra-linux-obsuzhdayut-vozmozhnost-udaleniya-reiserfs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/razrabotchiki-yadra-linux-obsuzhdayut-vozmozhnost-udaleniya-reiserfs","title":{"rendered":"Udviklerne af Linux-kernen diskuterer muligheden for at fjerne ReiserFS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Matthew Wilcox fra Oracle, kendt for at have skabt NVMe-driveren og DAX-filsystemets direkte adgangsmechanisme, har foresl\u00e5et at fjerne ReiserFS-filsystemet fra Linux-kernen p\u00e5 samme m\u00e5de som tidligere for\u00e6ldede filsystemer som ext og xiafs blev fjernet, eller at reducere ReiserFS-koden ved kun at bevare st\u00f8tte til skrivebeskyttet modus.      <\/p>\n<p>Motivet for fjernelsen er de ekstra vanskeligheder med at opgradere kernel-infrastrukturen, der skyldes, at udviklerne for ReiserFS er n\u00f8dt til at bevare den for\u00e6ldede AOP_FLAG_CONT_EXPAND-behandler i kernen, da ReiserFS er det eneste filsystem, der stadig bruger denne flag i funktionen write_begin. Det seneste patch i ReiserFS-koden er datert til 2019, og det er uklart, hvor efterspurgte dette filsystem faktisk er, og om det stadig bruges.        <\/p>\n<p>Jan K\u00e1ra fra SUSE er enig i, at ReiserFS er p\u00e5 vej mod for\u00e6ldelse, men det er uklart, om det er nok til, at det skal fjernes fra kernen. If\u00f8lge Jan forts\u00e6tter ReiserFS med at blive leveret i openSUSE og SLES, men brugerbasen for dette filsystem er ubetydelig og konstant faldende. For erhvervslivet blev st\u00f8tten til ReiserFS i SUSE stoppet for 3-4 \u00e5r siden, og modulet med ReiserFS er ikke inkluderet som standard i kernen. Som et alternativ foreslog Jan at begynde at vise en advarsel om for\u00e6ldelse, n\u00e5r man monterer ReiserFS-partitioner, og at betragte dette filsystem som klar til at blive fjernet, hvis ingen giver besked om at forts\u00e6tte brugen af det inden for et \u00e5r eller to.    <\/p>\n<p>Diskussionen blev Suppleret af Eduard Shishkin, som vedligeholder ReiserFS-filsystemet, og pr\u00e6senterede et patch, der fjerner brugen af AOP_FLAG_CONT_EXPAND-flaget fra ReiserFS-koden. Matthew Wilcox accepterede patchen til sin gren. Dermed er anledning til fjernelsen fjernet, og sp\u00f8rgsm\u00e5let om at udelukke ReiserFS fra kernen kan betragtes som udsat i en l\u00e6ngere periode.    <\/p>\n<p>Det er ikke muligt helt at ignorere sp\u00f8rgsm\u00e5let om for\u00e6ldelse af ReiserFS p\u00e5 grund af arbejdet med at fjerne filsystemer fra kernen, der har det ul\u00f8ste problem fra 2038. For eksempel er der allerede blevet udarbejdet en tidsplan for fjernelse af den fjerde version af filsystemformatet XFS fra kernen (det nye XFS-format blev foresl\u00e5et i kernen 5.10 og flyttede overflow-t\u00e6lleren til 2468). XFS v4 vil som standard blive deaktiveret i 2025, og koden vil blive fjernet i 2030). En tilsvarende tidsplan foresl\u00e5s ogs\u00e5 for ReiserFS, hvilket giver mindst fem \u00e5r til migration til andre filsystemer eller et \u00e6ndret metadataformat.<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56747\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041c\u044d\u0442\u044c\u044e \u0423\u0438\u043b\u043a\u043e\u043a\u0441 (Matthew Wilcox) \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Oracle, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0439 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435\u043c \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 nvme (NVM Express) \u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0424\u0421 DAX, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 ReiserFS \u0438\u0437 \u0441\u043e\u0441\u0442\u0430\u0432\u0430 \u044f\u0434\u0440\u0430 Linux \u043f\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0438 \u0441 \u043a\u043e\u0433\u0434\u0430-\u0442\u043e \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u044b\u043c\u0438 \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u043c\u0438 \u0424\u0421 ext \u0438 xiafs \u0438\u043b\u0438 \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u043a\u043e\u0434 ReiserFS, \u043e\u0441\u0442\u0430\u0432\u0438\u0432 \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0440\u0430\u0431\u043e\u0442\u044b \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f. \u041c\u043e\u0442\u0438\u0432\u043e\u043c \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f [&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-103420","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=\"\u041c\u044d\u0442\u044c\u044e \u0423\u0438\u043b\u043a\u043e\u043a\u0441 (Matthew Wilcox) \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Oracle, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0439 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435\u043c \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 nvme (NVM Express) \u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043f\u0440\u044f\u043c\u043e\u0433\u043e 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