Aren/toaruos
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update newvfs.md

Browse Source
This commit is contained in:
Kevin Lange 2014-04-29 12:30:48 -07:00
parent e16043684a
commit b23ae55682
1 changed files with 26 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
docs/newvfs.md
View File

@ -20,15 +20,30 @@ typedef int (*chmod_type_t) (struct fs_node *, int mode);
## Design Goals of the New VFS ## Design Goals of the New VFS
1. Large file support from the beginning 1. Large file support from the beginning
All 64-bit offsets and sizes.
2. Cached virtual file objects All 64-bit offsets and sizes.
We currently have "objects that happen to exist from a malloc" and "objects we created from an open() call"...
3. Reference counting so we can actually close files 2. Cached virtual file objects
Specifically, so we can close everything on exit.
4. Unix pipes We currently have "objects that happen to exist from a malloc" and "objects we created from an open() call"...
The focus of this rewrite is supporting closing of pipes...
5. Permissions 3. Reference counting so we can actually close files
The current VFS can... uh... store them, but doesn't actually respect them.
6. Support for symbolic links Specifically, so we can close everything on exit.
Yeah.
4. Unix pipes
The focus of this rewrite is supporting closing of pipes...
5. Permissions
The current VFS can... uh... store them, but doesn't actually respect them.
6. Support for symbolic links
Yeah.
7. Ground-up support for polling / file events.
Sleep on multiple, etc.