{"id":1123759,"date":"2023-03-31T10:49:37","date_gmt":"2023-03-31T14:49:37","guid":{"rendered":"https:\/\/www.prime-wow.com\/?p=1123759"},"modified":"2023-03-31T10:49:37","modified_gmt":"2023-03-31T14:49:37","slug":"an-operation-for-filesystem-tucking","status":"publish","type":"post","link":"https:\/\/www.prime-wow.com\/?p=1123759","title":{"rendered":"[$] An operation for filesystem tucking"},"content":{"rendered":"<p>As a general rule, the purpose behind mounting a filesystem is to make that<br \/>\nfilesystem&#8217;s contents visible to the system, or at least to the mount<br \/>\nnamespace where that mount occurs.  For similar reasons, it is unusual to<br \/>\nmount one filesystem on top of another, since that would cause the contents<br \/>\nof the over-mounted filesystem to be hidden.  There are exceptions to<br \/>\neverything, though, and that extends to mounted filesystems; <a href=\"https:\/\/lwn.net\/ml\/linux-fsdevel\/20230202-fs-move-mount-replace-v1-0-9b73026d5f10@kernel.org\/\">a<br \/>\n&#8220;tucking&#8221; mechanism<\/a> proposed by Christian Brauner is designed to hide<br \/>\nmounted filesystems underneath other mounts \u2014 temporarily, at least.&#013;<br \/>\n&#013;<br \/>\nSource: LWN.net &#8211; <a href=\"https:\/\/lwn.net\/Articles\/927491\/\" target=\"_blank\" rel=\"noopener\">[$] An operation for filesystem tucking<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>As a general rule, the purpose behind mounting a filesystem is to make that filesystem&#8217;s contents visible to the system, or at least to the mount namespace where that mount occurs. For similar reasons, it is unusual to mount one &hellip; <a href=\"https:\/\/www.prime-wow.com\/?p=1123759\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[72],"tags":[75],"class_list":["post-1123759","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1123759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1123759"}],"version-history":[{"count":0,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1123759\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1123759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1123759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1123759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}