{"id":32507,"date":"2019-10-31T21:47:26","date_gmt":"2019-10-31T18:47:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-yadro-linux-dlya-fs-ext4-vklyuchena-podderzhka-raboty-bez-uchyota-registra-simvolov\/"},"modified":"2019-10-31T21:47:26","modified_gmt":"2019-10-31T18:47:26","slug":"v-yadro-linux-dlya-fs-ext4-vklyuchena-podderzhka-raboty-bez-uchyota-registra-simvolov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/v-yadro-linux-dlya-fs-ext4-vklyuchena-podderzhka-raboty-bez-uchyota-registra-simvolov","title":{"rendered":"El n\u00facleo de Linux para el sistema de archivos Ext4 ha incluido soporte para operaciones sin distinci\u00f3n de may\u00fasculas y min\u00fasculas.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ted Ts\u014d, autor de los sistemas de archivos ext2\/ext3\/ext4, <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.openwall.net\/linux-ext4\/2019\/04\/25\/23\">ha aceptado<\/a><\/noindex> en la rama Linux-next, a partir de la cual se formar\u00e1 la versi\u00f3n del n\u00facleo de Linux 5.2, un conjunto <noindex><a rel=\"nofollow\" href=\"https:\/\/git.kernel.org\/pub\/scm\/linux\/kernel\/git\/tytso\/ext4.git\/commit\/?h=dev&#038;id=30cd8d53bfbae7e55bcc843e4699abad46e9e1a3\">cambios<\/a><\/noindex>, que implementa el soporte para operaciones sin distinci\u00f3n de may\u00fasculas en el sistema de archivos Ext4. Los parches tambi\u00e9n a\u00f1aden soporte para caracteres UTF-8 en los nombres de archivos.<\/p>\n<p>El modo de funcionamiento sin distinci\u00f3n de may\u00fasculas y min\u00fasculas se puede activar opcionalmente en la vinculaci\u00f3n a directorios individuales mediante un nuevo atributo \u00ab+F\u00bb (EXT4_CASEFOLD_FL). Al establecer este atributo en un directorio, todas las operaciones con archivos y subdirectorios dentro se realizar\u00e1n sin tener en cuenta las may\u00fasculas y min\u00fasculas, ya que el caso se ignorar\u00e1 en las operaciones de b\u00fasqueda y apertura de archivos (por ejemplo, los archivos Test.txt, test.txt y test.TXT en dichos directorios se considerar\u00e1n id\u00e9nticos). Por defecto, a excepci\u00f3n de los directorios con el atributo \u00ab+F\u00bb, el sistema de archivos sigue siendo sensible a las may\u00fasculas y min\u00fasculas. Se propone un conjunto modificado de utilidades para gestionar la activaci\u00f3n del modo insensible a may\u00fasculas y min\u00fasculas. <noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.collabora.com\/krisman\/e2fsprogs\">para crear sistemas de archivos:<\/a><\/noindex>.<\/p>\n<p>Los parches han sido preparados por Gabriel Krisman Bertazi, empleado de Collabora, y aceptados tras <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.openwall.net\/linux-ext4\/2019\/04\/13\/10\">el s\u00e9ptimo<\/a><\/noindex> intento despu\u00e9s de <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.openwall.net\/linux-ext4\/2016\/11\/03\/5\">tres a\u00f1os<\/a><\/noindex> desarrollo y resoluci\u00f3n de comentarios. La implementaci\u00f3n no altera el formato de almacenamiento de disco y funciona exclusivamente a nivel de modificaci\u00f3n de la l\u00f3gica de comparaci\u00f3n de nombres en la funci\u00f3n ext4_lookup() y la sustituci\u00f3n del hash en la estructura dcache (Directorio de Cach\u00e9 de B\u00fasqueda de Nombres). El valor del atributo \u00ab+F\u00bb se guarda dentro del inode de directorios individuales y se aplica a todos los archivos y subdirectorios anidados. La informaci\u00f3n sobre la codificaci\u00f3n se conserva en el superbloque.<\/p>\n<p>Para evitar colisiones con los nombres de archivos existentes, el atributo \u00ab+F\u00bb solo se puede establecer en directorios vac\u00edos en sistemas de archivos donde se ha activado el modo de soporte de Unicode durante el montaje para nombres de archivos y directorios. Los nombres de los elementos de los directorios para los cuales se ha activado el atributo \u00ab+F\u00bb se traducen autom\u00e1ticamente a min\u00fasculas y se reflejan de esta manera en el dcache, pero se conservan en el disco en el formato originalmente establecido por el usuario, es decir, a pesar del procesamiento de los nombres sin distinci\u00f3n de may\u00fasculas y min\u00fasculas, los nombres se muestran y se guardan sin p\u00e9rdida de informaci\u00f3n sobre el caso de los caracteres (pero el sistema no permitir\u00e1 crear un nombre de archivo con los mismos caracteres, pero en un caso diferente).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50581\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0422\u0435\u0434 \u0426\u043e (Ted Ts&#8217;o), \u0430\u0432\u0442\u043e\u0440 \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c ext2\/ext3\/ext4, \u043f\u0440\u0438\u043d\u044f\u043b \u0432 \u0432\u0435\u0442\u043a\u0443 Linux-next, \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0431\u0443\u0434\u0435\u0442 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u044f\u0434\u0440\u0430 Linux 5.2, \u043d\u0430\u0431\u043e\u0440 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0438\u0445 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u043e\u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0432 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 Ext4. \u041f\u0430\u0442\u0447\u0438 \u0442\u0430\u043a\u0436\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 UTF-8 \u0432 \u0438\u043c\u0435\u043d\u0430\u0445 \u0444\u0430\u0439\u043b\u043e\u0432. \u0420\u0435\u0436\u0438\u043c \u0440\u0430\u0431\u043e\u0442\u044b \u0431\u0435\u0437 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u044f \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u043e\u043f\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0432 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0435 \u043a \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u043c \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430\u043c \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 [&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-32507","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0422\u0435\u0434 \u0426\u043e (Ted Ts&#039;o), \u0430\u0432\u0442\u043e\u0440 \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c ext2\/ext3\/ext4, \u043f\u0440\u0438\u043d\u044f\u043b \u0432 \u0432\u0435\u0442\u043a\u0443 Linux-next, \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0431\u0443\u0434\u0435\u0442.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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