tag

#fsync

2 posts

FreeBSDDeep Dive October 3, 2026 8 min read

FreeBSD fsync and fdatasync: Define What Durable Actually Means

Distinguish FreeBSD fsync, fdatasync, sync, and user-space flushes, handle I/O errors, and test durability without overstating guarantees.

#freebsd#filesystem#fsync

LinuxHow-To October 3, 2026 7 min read

Build a crash-conscious Linux file replacement sequence with fsync, same-filesystem rename, directory synchronization, and explicit recovery rules.

#linux#fsync#filesystem