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(parent: a5e681d) | patch
Btrfs: don't keep trying to build clusters if we are fragmented
authorJosef Bacik <jbacik@fb.com>
Fri, 2 Oct 2015 19:25:10 +0000 (15:25 -0400)
committerChris Mason <clm@fb.com>
Thu, 22 Oct 2015 01:55:39 +0000 (18:55 -0700)
commitc759c4e16179e47e099f491011e6acd7858f8625
tree1b97ad895f5546f867d0b12df3910848e69f1016tree | snapshot
parenta5e681d9bd641c4f0677e87d3a0c92a8f4f16293commit | diff
Btrfs: don't keep trying to build clusters if we are fragmented

If we are extremely fragmented then we won't be able to create a free_cluster.
So if this happens set last_ptr->fragmented so that all future allcations will
give up trying to create a cluster.  When we unpin extents we will unset
->fragmented if we free up a sufficient amount of space in a block group.
Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/ctree.h diff | blob | history
fs/btrfs/extent-tree.c diff | blob | history
fs/btrfs/free-space-cache.c diff | blob | history
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