The following patches make several changes in rcfs in order to
- improve clarity, by consolidating code into a smaller number of files,
making the generic filesystem functions similar to the boilerplates
found in other virtual filesystems
- improve error handling, both returning values as well as unwinding
auto-creation of virtual files
- eliminate inode leakage on repeated mounting
It was also intended to reduce rcfs code size but that didn't happen -
the number of lines have gone up slighlty due to additional code added
for clarity and error handling.
The changes have been tested for taskclasses only. Socketclass functions
have been tested standalone but not with the network controller enabled.
Outstanding issues
- RBCE will not work (or compile) with this codebase. There is potential
for simplifying RBCE's filesystem code which will be done shortly in a
separate patch.
- The rcfs mount point is still hardcoded. A patch to eliminate the
dependency will also be submitted when this patchset is submitted for
inclusion.
Please comment. This is not being submitted for inclusion in the CKRM
codebase yet.
-- Shailabh
Patches generated against 2.6.12, over the CKRM patchset included in
2.6.13-rc3-mm1.
Series
ckrm-rcfs-rewrite-move-initialization.patch
ckrm-rcfs-rewrite-noperm-inode-ops.patch
ckrm-rcfs-rewrite-allocate-inode.patch
ckrm-rcfs-rewrite-generic-utility-functions.patch
ckrm-rcfs-rewrite-generic-create.patch
ckrm-rcfs-rewrite-eliminate-rename.patch
ckrm-rcfs-rewrite-generic-delete.patch
ckrm-rcfs-rewrite-create-core-class.patch
ckrm-rcfs-rewrite-create-virtual-files.patch
ckrm-rcfs-rewrite-register-classtypes.patch
ckrm-rcfs-rewrite-register-classification-engines.patch
ckrm-rcfs-rewrite-superblock-operations.patch
ckrm-rcfs-rewrite-virtual-file-operations.patch
ckrm-rcfs-rewrite-taskclass-operations.patch
ckrm-rcfs-rewrite-socketclass-operations.patch
ckrm-rcfs-rewrite-cleanup-makefile.patch
ckrm-rcfs-rewrite-rename-magic.patch
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