{"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\/it\/blog\/news\/razrabotchiki-yadra-linux-obsuzhdayut-vozmozhnost-udaleniya-reiserfs","title":{"rendered":"Gli sviluppatori del kernel Linux stanno discutendo la possibilit\u00e0 di rimuovere ReiserFS.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Matthew Wilcox di Oracle, noto per la creazione del driver nvme (NVM Express) e del meccanismo di accesso diretto al filesystem DAX, ha proposto di rimuovere il filesystem ReiserFS dal kernel Linux, seguendo l'esempio di filesystem obsoleti come ext e xiafs, o, in alternativa, di ridurre il codice di ReiserFS mantenendo solo il supporto per la modalit\u00e0 di sola lettura.      <\/p>\n<p>La motivazione per la rimozione \u00e8 stata l'aggiunta di difficolt\u00e0 nella modernizzazione dell'infrastruttura del kernel, poich\u00e9 per ReiserFS gli sviluppatori sono costretti a mantenere nel kernel un gestore obsoleto del flag AOP_FLAG_CONT_EXPAND, dato che ReiserFS \u00e8 l'unico filesystem a utilizzare tale flag nella funzione write_begin. Inoltre, l'ultima correzione nel codice di ReiserFS risale al 2019 e non \u00e8 chiaro quanto sia ancora richiesto questo filesystem e se gli utenti lo stiano ancora utilizzando.        <\/p>\n<p>Jan K\u00e1ra di SUSE ha concordato che ReiserFS \u00e8 sulla strada per l'obsolescenza, ma non \u00e8 chiaro se sia abbastanza obsoleto da essere rimosso dal kernel. Secondo Jan, ReiserFS continua a essere fornito in openSUSE e SLES, ma la base utenti di questo file system \u00e8 esigua e in costante diminuzione. Per gli utenti aziendali, il supporto per ReiserFS in SUSE \u00e8 stato interrotto 3-4 anni fa, e il modulo ReiserFS non \u00e8 incluso di default nei pacchetti del kernel. Come alternativa, Jan ha suggerito di iniziare a emettere un avviso di obsolescenza durante il montaggio delle partizioni ReiserFS e considerare questo file system pronto per la rimozione se per un anno o due nessuno si far\u00e0 avanti per continuare a utilizzarlo.    <\/p>\n<p>Alla discussione ha partecipato Eduard Shishkin, il manutentore del filesystem ReiserFS, che ha fornito una patch che rimuove l'uso del flag AOP_FLAG_CONT_EXPAND dal codice di ReiserFS. Matthew Wilcox ha accettato la patch nella sua branch. Pertanto, il motivo per la rimozione \u00e8 stato eliminato e la questione dell'esclusione di ReiserFS dal kernel pu\u00f2 essere considerata rinviata per un periodo di tempo sufficientemente lungo.    <\/p>\n<p>Non \u00e8 possibile ignorare completamente la questione dell'obsolescenza di ReiserFS a causa del lavoro per escluderlo dal kernel delle file system con il problema irrisolto del 2038. Ad esempio, per questo motivo \u00e8 gi\u00e0 stato preparato un programma di rimozione dal kernel della quarta versione del formato del file system XFS (il nuovo formato XFS \u00e8 stato introdotto nel kernel 5.10 e ha spostato il superamento del contatore temporale fino all'anno 2468). La compilazione di XFS v4 sar\u00e0 disattivata di default nel 2025 e il codice rimosso nel 2030). Si propone di elaborare un programma simile anche per ReiserFS, concedendo almeno cinque anni per la migrazione verso altri file system o un formato di metadati modificato.<br \/>\n<br \/>Fonte: <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 5.0.0.1 - 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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