OCFS2 Development Roadmap
This page lists the development roadmap, status and priorities of the features being added to the OCFS2 filesystem. The table uses OCFS2 1.2 as the base release. The features marked completed include the mainline Linux kernel version one can sample that feature in. The next supported release of OCFS2 will be 1.4. Please note that the information provided is only a guide and that there are no guarantees, implied or otherwise, that that feature will be included in the said version.
Feature |
Component |
Projected in |
Current Status |
sys_splice() |
FS |
1.4 |
Completed (2.6.19) |
i_op->permission() |
FS |
1.4 |
Completed (2.6.19) |
i_mtime update |
FS |
1.4 |
Completed (2.6.19) |
i_atime update |
FS |
1.4 |
Completed (2.6.19) |
Local FS Mount |
FS |
1.4 |
Completed (2.6.20) |
Sparse Files |
FS |
1.4 |
Completed (2.6.22) |
Unwritten Extents (posix_fallocate()) |
FS |
1.4 |
Completed (2.6.23) |
Shared Writable mmap |
FS |
1.4 |
Completed (2.6.23) |
Freeze/Thaw |
FS |
1.4 |
|
Online Resize |
FS |
1.4 |
Completed (2.6.25) |
Cluster Aware flock |
FS |
1.4 |
Completed (2.6.25) |
Data in Inode |
FS |
1.4 |
Checked in (2.6.24) |
Extended Attributes |
FS |
1.4 |
In Development |
Global Disk Heartbeat |
HB |
1.4 |
Deep Freeze |
Userspace Clustering |
NM,HB |
NA |
Checked in (2.6.26) |
Logical Volume Manager |
LVM |
1.4+ |
NA |
Cluster Coherent Loopback |
FS |
1.4 |
NA |
POSIX ACLs |
FS |
Post E.A. |
NA |
Delayed Allocation |
FS |
NA |
NA |
Cluster Aware lockf |
FS |
NA |
NA |
Quotas |
FS |
NA |
NA |
Readpage/Writepage (not user visible) |
FS |
NA |
NA |
Directory Change Notification (F_NOTIFY) |
FS |
NA |
NA |
Distributed Caching (F_SETLEASE/F_GETLEASE/break_lease) |
FS |
NA |
NA |