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Btrfs: don't try to allocate from a block group that doesn't have enough space
authorJosef Bacik <josef@redhat.com>
Fri, 13 May 2011 15:07:12 +0000 (11:07 -0400)
committerJosef Bacik <josef@redhat.com>
Mon, 23 May 2011 17:03:15 +0000 (13:03 -0400)
commitcca1c81f43e26ab60c0d1090fb90992358d69bdf
tree8c445c012b9b0184eed9b7f52b35c0d0b85b0e0btree | snapshot (tar.gz zip)
parent026fd317828500524cdc7e5ff9e8e7923abb2868commit | diff
Btrfs: don't try to allocate from a block group that doesn't have enough space

If we have a very large filesystem, we can spend a lot of time in
find_free_extent just trying to allocate from empty block groups.  So instead
check to see if the block group even has enough space for the allocation, and if
not go on to the next block group.

Signed-off-by: Josef Bacik <josef@redhat.com>
fs/btrfs/extent-tree.c diff | blob | blame | history