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include: one folder per subsystem, and includes that name it

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Sixty-five headers sat side by side in include/, so `#include "irq.h"`
said nothing about where irq.h was or what it belonged to, and errno.h,
stat.h and fcntl.h at the top shadowed the system's for any host tool
built with -I./include. They are in folders now -- arch/ core/ fs/
dev/ gfx/ net/ uapi/ (and ldls/ for the Linux driver layer) -- and
every include names the folder, as Linux's do: "core/proc.h".

Done mechanically and checked the hard way: the kernel built from this
tree disassembles identically to the one built from the tree before
it. The full image boots, and userland is the same set of programs.
Paths in docs and comments follow; docs/guides/layout.md has a table
of what is where, and tools/fix-includes.py rewrites old-style
includes from the folders in the tree, for code written before this.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01S1giNvrHTrPMPw7V6x1kQ4
This commit is contained in:
Nexoniarz 2026-10-23 15:05:12 +02:00
commit a1c965da1e
267 changed files with 1560 additions and 1440 deletions
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4
.claude/memory/schfs-phase3-writes.md
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@ -17,7 +17,7 @@ mkdir /mnt && mount -t schfs /dev/hdb /mnt
then ordinary `ls`/`cat`/`>`/`>>`/`mkdir`/`cp`/`rm`/`rmdir` all work on it.
**The VFS now has a real dispatch layer**: `struct fs_ops` in `include/file.h`,
**The VFS now has a real dispatch layer**: `struct fs_ops` in `include/fs/file.h`,
one table per filesystem, chosen by `iget()` from the device number and hung off
the inode. v1's implementations kept their bodies and are named `v1_*`; SchFS's
live in `kernel/fs/schfs/vfs.c`. **Adding a filesystem is a new table, not
@ -105,7 +105,7 @@ retry.
if (dev == PROCFS_DEV) return &procfs_ops;
return &v1_ops; // legacy, only because it is the default
`struct fs_ops` (include/file.h:35) is a complete vtable -- iload, istore,
`struct fs_ops` (include/fs/file.h:35) is a complete vtable -- iload, istore,
ifree, read, write, truncate, dirops -- and **SchFS implements all of it**. So
`fs.c` is no longer "the filesystem"; it is the fallback branch. Killing it is
three edits, not a rewrite: