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xipfs has a defragmentation ioctl and no way to reach it from a shell. The only caller was a demo in examples/nxflatxip, which built its own block map to show what compaction had done. xipfs [-n] [-t <ms>] [<mountpoint>] -n surveys and reports without moving anything: where each file sits, a map of the volume, and how much of the free space a single allocation can reach. That last number is the one a caller facing -ENOSPC actually wants; at 0% the largest possible file already fits however scattered the map looks. The compaction is asked for through a descriptor for the mountpoint directory, so no file inside the volume is open while it runs and a single pass can reach every extent. The walk descends into the directories xipfs synthesises from names, and reports each file by its path relative to the mount, so a volume that uses them is described in full rather than down to its first level. Block totals come from statfs rather than XIPFSIOC_EXTENTINFO, because that one does name a file and an empty volume has none, yet its geometry is still worth reporting. Assisted-by: Claude Code:claude-opus-4-8 Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com> |
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| CMakeLists.txt | ||
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| xipfs_main.c | ||