Boaz Harrosh wrote:
I'm posting for review a new version of the osdblk driver. What's new?
* Once block/for-2.6.31 and all pending osd patches hit mainline. this new version
is ready for submission.
- The relevant osd patches have been posted on the mailing list, but I'll send an orderly
set for scsi-misc and scsi-post-merge on Sunday.
- All the prerequisite block patches are already in Jens's tree.
* Below is the diff from Jeff's last version of the patch. these things have changed:
{SQUASHME: osdblk} Block and OSD Api fixups and bug fixes
- Block API changes from Tejuns revamps
- OSD Api changes for supporting bio-chaining
- do_flush requests do not need bio clonning
(And might not have any so prevent such a crash)
- osdblk_make_credential is here to stay
- Use bio_kmalloc and avoid the bio_alloc dead/live locks.
TODO: Split request into smaller chunks if allocations fail.
- Only use __GFP_WAIT on first bio allocation. (Not relevant since
__GFP_WAIT is not used)
* Added an extra patch:
- [PATCH 2/2] osdblk: Adjust queue limits to lower device's limits
This is ontop of the post-merge tree. Jeff? will you push this driver
through your tree?
What is left is to bang some serious testing on this driver. I'll do
that next.
The changes look reasonable to me... if you wanted to get it into your
tree and push it with other OSD stuff, that would be fine to me.
I think you are in a better position to deal with all the pre-req's, and
in a better position to test osdblk more completely.
Have you messed around with the user tools yet? osdblk needs a tool
that creates an OSD object of a specified size, etc.
Jeff
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