{"id":119617,"date":"2024-08-25T21:43:12","date_gmt":"2024-08-25T19:43:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/linus-torvalds-nachal-sozhalet-chto-odobril-dobavlenie-bcachefs-v-yadro-linux"},"modified":"2024-08-25T21:43:12","modified_gmt":"2024-08-25T19:43:12","slug":"linus-torvalds-nachal-sozhalet-chto-odobril-dobavlenie-bcachefs-v-yadro-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/linus-torvalds-nachal-sozhalet-chto-odobril-dobavlenie-bcachefs-v-yadro-linux","title":{"rendered":"Linus Torvalds begint spijt te krijgen dat hij de toevoeging van Bcachefs aan de Linux-kernel heeft goedgekeurd","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Tijdens de bespreking van de nieuwste reeks verbeteringen die voorgesteld zijn voor opname in de kernel 6.11-rc5 door de auteur van Bcachefs, schreef Linus Torvalds dat hij begint te betreuren dat hij het bestandssysteem Bcachefs in de kernel heeft opgenomen. Torvalds' ontevredenheid komt voort uit het feit dat Kent Overstreet, de auteur van Bcachefs, in de fase van de final release candidates te omvangrijke fixes verzendt die in wezen niet alleen bugs oplossen, maar ook de functionaliteit verder ontwikkelen. Functionele wijzigingen zijn echter alleen toegestaan in de vroege ontwikkelingsfase van een nieuwe tak, terwijl alleen kleine, afzonderlijke fixes worden geaccepteerd in de rc5-fase, waarvan de grootte idealiter niet meer dan 100 regels code mag zijn.       <\/p>\n<p>De patch die voor Bcachefs is ingediend, bevatte 1309 toegevoegde en 671 verwijderde regels in 39 bestanden. Naast bugfixes omvatte deze twee significante wijzigingen: ondersteuning voor een nieuwe datastructuur voor het beheer van de lijst met vrije elementen in de cache en de mogelijkheid om hashtabellen voor de cache om te zetten. De nieuwe structuur werd toegevoegd om onnodige cache-locks te verwijderen en situaties uit te sluiten die kunnen leiden tot lockconflicten bij multi-threaded belasting.     <\/p>\n<p>Dit is niet de eerste keer dat grote verbeteringen voor Bcachefs worden ingediend na de deadline voor wijzigingsaanvragen, en het is ook niet de eerste keer dat in plaats van eenvoudige bugfixes zwaardere functionele aanvullingen worden voorgesteld via pull-verzoeken in de latere stadia van de ontwikkeling van een nieuwe tak. Linus Torvalds reageerde op de ingediende pull-aanvraag:  <\/p>\n<blockquote><p>    \u00abGenug. De laatste pull-request was ook al groot. Deze pull-request is ook te omvangrijk, raakt dingen die niets met Bcachefs te maken hebben en is zelfs op geen enkele manier een regressie. Op een gegeven moment verandert 'iets fixen' gewoon in ontwikkeling, en dat is precies dat moment. Niemand in zijn gezonde verstand gebruikt Bcachefs en verwacht stabiliteit daarvan, dus elke gebruiker is een experimentgebied. Bcachefs-patches zijn een soort 'grote ontwikkeling tijdens de releasevoorbereidingscyclus, en niet ervoor', in die mate dat ik begin spijt te krijgen van het aannemen van Bcachefs. Als Bcachefs niet goed kan functioneren volgens de ontwikkelingsschema van de hoofd (upstream) kernel, zou het misschien niet in de hoofdkernel moeten zitten. Dit gaat al voorbij het komische.\u00bb  <\/p><\/blockquote>\n<p>Kent Overstreet wies darauf hin, dass Bcachefs definitiv zuverl\u00e4ssiger ist als Btrfs und arbeitet daran, es stabiler und zuverl\u00e4ssiger als XFS und EXT4 zu machen, dank der Implementierung eines Mechanismus zur ganzheitlichen Datenintegrit\u00e4t (end to end data Integrity). Kent betonte auch, dass die vorgeschlagenen \u00c4nderungen direkt mit der Erh\u00f6hung der Zuverl\u00e4ssigkeit zu tun haben, und w\u00e4hrend ein Fehler in anderen Kern-Subsystemen m\u00f6glicherweise auf einen Absturz und einen Neustart beschr\u00e4nkt bleibt, ist der Preis eines Fehlers in Dateisystemen sehr hoch und kann zu versteckten Datenbesch\u00e4digungen f\u00fchren, die erst Wochen sp\u00e4ter bemerkt werden k\u00f6nnen.          <\/p>\n<p>Torvalds widersprach, dass es derzeit keine gro\u00dfen Linux-Distributionen gibt, die Bcachefs verwenden, und wies darauf hin, dass die Regeln f\u00fcr die Entwicklung von Kernel-Releases beachtet werden sollten, da die Wahrscheinlichkeit, dass neue Fehler durch derartige gro\u00dfe Patches mit mehr als 1000 Zeilen Code auftreten, besteht. Derzeit sind die diskutierten Korrekturen f\u00fcr Bcachefs nicht im Linux-Kernel angenommen worden, und der Bcachefs-Entwickler hat bisher noch keinen aktualisierten Pull-Request vorbereitet, der ohne neue Funktionalit\u00e4ten auskommt und sich nur auf Fehlerbehebungen konzentriert.<br \/>\n<br \/>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61761\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0438 \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0438 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u043e\u0439 \u043f\u043e\u0440\u0446\u0438\u0438 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432 \u044f\u0434\u0440\u043e 6.11-rc5 \u0430\u0432\u0442\u043e\u0440\u043e\u043c Bcachefs, \u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u043d\u0430\u043f\u0438\u0441\u0430\u043b, \u0447\u0442\u043e \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442 \u0441\u043e\u0436\u0430\u043b\u0435\u0442\u044c \u043e \u0442\u043e\u043c, \u0447\u0442\u043e \u043f\u0440\u0438\u043d\u044f\u043b \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 Bcachefs \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430. \u041d\u0435\u0434\u043e\u0432\u043e\u043b\u044c\u0441\u0442\u0432\u043e \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441\u0430 \u0441\u0432\u044f\u0437\u0430\u043d\u043e \u0441 \u0442\u0435\u043c, \u0447\u0442\u043e \u041a\u0435\u043d\u0442 \u041e\u0432\u0435\u0440\u0441\u0442\u0440\u0438\u0442 (Kent Overstreet), \u0430\u0432\u0442\u043e\u0440 Bcachefs, \u043d\u0430 \u0441\u0442\u0430\u0434\u0438\u0438 \u0444\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u0445 \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442\u043e\u0432 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b, \u043f\u0440\u0438\u0441\u044b\u043b\u0430\u0435\u0442 \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u043e\u0431\u044a\u0451\u043c\u043d\u044b\u0435 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e \u0441\u0443\u0442\u0438, \u043d\u0435 [&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-119617","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=\"\u041f\u0440\u0438 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