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[$] configfd() and shifting bind mounts
The 5.2 kernel saw the addition of an extensive new API for the mounting (and remounting) of filesystems; this article covered an early version of that API. Since then, work in this area has mostly focused on enabling filesystems to support this API fully. James Bottomley has taken a look at this API as part of the job of redesigning his shiftfs filesystem and found it to be incomplete. What has followed is a significant set of changes that promise to simplify the mount API — though it turns out that "simple" is often in the eye of the beholder.
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[$] The rapid growth of io_uring
One year ago, the io_uring subsystem did not exist in the mainline kernel; it showed up...
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[$] A tiny Python called Snek
Keith Packard is no stranger to the linux.conf.au stage; he has spoken on a wide variety...
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[$] process_madvise(), pidfd capabilities, and the revenge of the PIDs
Once upon a time, there were few ways for one process to operate upon another after...