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Linux 6.18 Will Fix Lockups When Systemd Units Read Lots Of Files
Linux engineer at Microsoft Christian Brauner sent out his set of 12 pull requests touching the VFS portion of the Linux kernel
These changes for the Linux 6.18 kernel include one pull request that touches the writeback code to address a situation of lockups being reported by users when systemd units read lots of files. Lazytime being the option for only initially updating the access/modify/creation time on the in-memory version of the file inode to help with performance and reduce writes to disk. The numbers observed in practice when systemd slice of a large cron job exits can easily reach hundreds of thousands or millions.
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