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Btrfs: remove extent mapping if we fail to add chunk
authorJosef Bacik <jbacik@fusionio.com>
Thu, 31 Jan 2013 15:23:04 +0000 (10:23 -0500)
committerJosef Bacik <jbacik@fusionio.com>
Wed, 20 Feb 2013 17:59:11 +0000 (12:59 -0500)
commit0f5d42b287f32417e54485d79f2318cf2970b37d
tree6f66c857c212a5d8faa4347c0f1d331e47492c01tree
parent0448748849ef7c593be40e2c1404f7974bd3aac6commit | diff
Btrfs: remove extent mapping if we fail to add chunk

I got a double free error when unmounting a file system that failed to add a
chunk during its operation.  This is because we will kfree the mapping that
we created but leave the extent_map in the em_tree for chunks.  So to fix
this just remove the extent_map when we error out so we don't run into this
problem.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
fs/btrfs/volumes.c diff | blob | blame | history
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