Hey,
I've just tagged a v0.12 released, and sent the kernel client patchset off
to the Linux kernel and fsdevel lists again. There was a v0.11 a week ago
as well that incorporated some earlier feedback from the kernel lists.
Changes since v0.11:
* mapping_set_error on failed writepage
* document correct debugfs mount point
* simplify layout/striping ioctls
* removed bad kmalloc in writepages
* use mempools for writeback allocations where appropriate (*)
* fixed a problem with capability, snap metadata writeback
* cleaned up f(data)sync wrt metadata writeback
* fixed a messenger bug causing random EBADF
* some mds clustering fixes
And since v0.10:
* server-specified max file size
* kclient: simplified pr_debug macro
* kclient: respond to control-c on mount
* kclient: misc cleanups, fixes (LKML review)
* mount updates /etc/mtab
Testing on our 100TB cluster is going well. Planned items for v0.13
include:
* improved availability of OSDs when cluster membership changes
* client authentication
* S3 compatible REST gateway for RADOS object store
* Ceph file system module for Hadoop
sage
* There are still some potential OOM situations during writeback from the
messaging layer, but the fixes for that are planned for a bit later when
it's clear the messaging protocol isn't going to change further.
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