On Mon, Dec 05, 2011 at 04:10:49PM +0800, Miao Xie wrote: > Hi, Chris and Oliva > > On thu, 1 Dec 2011 10:39:55 -0500, Chris Mason wrote: > > git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git > > for-linus > > > > Has our current set of fixes. This is fairly small, Alexandre Oliva has > > been chasing problems in our block allocator and kicked out important > > fixes. > > > > Jan Schmidt fixed a merge error in the raid repair code, we're now > > properly repairing failed blocks (io errors or crc errors) without > > having to run a scrub. > > > > Alexandre Oliva (5) commits (+8/-8): > > Btrfs: skip block groups without enough space for a cluster (+1/-1) > > This patch introduce a bug that we can not allocate blocks from the cluster > with enough space and it may make the block allocation fail. > > This is because the check that the above patch introduced make the allocator > skip the cluster allocation, and jump to the uncluster allocation without > reclaiming all the blocks in the cluster, At this time, if all the free space > is in the cluster, and no space in the block group, the allocation will fail. > (we can trigger this bug on SSD.) > > Fortunately, the following patch written by Oliva can fix this bug. > > [PATCH 08/20] Btrfs: try to allocate from cluster even at LOOP_NO_EMPTY_SIZE
Thanks, I'll push this 08/20 out as well. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
