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authorChris Mason <clm@fb.com>2015-05-19 18:54:41 -0700
committerChris Mason <clm@fb.com>2015-05-20 11:03:38 -0700
commit153c35b6cccc0c72de9fae06c8e2c8b2c47d79d4 (patch)
tree281b31ee220fc7bf3930f32b7863ddd16ad1e2af /fs/isofs
parenta96295965b600f2dc6ad661c4803c86e87db3d7b (diff)
downloadkernel-153c35b6cccc0c72de9fae06c8e2c8b2c47d79d4.tar.gz
Btrfs: fix regression in raid level conversion
Commit 2f0810880f082fa8ba66ab2c33b02e4ff9770a5e changed btrfs_set_block_group_ro to avoid trying to allocate new chunks with the new raid profile during conversion. This fixed failures when there was no space on the drive to allocate a new chunk, but the metadata reserves were sufficient to continue the conversion. But this ended up causing a regression when the drive had plenty of space to allocate new chunks, mostly because reduce_alloc_profile isn't using the new raid profile. Fixing btrfs_reduce_alloc_profile is a bigger patch. For now, do a partial revert of 2f0810880, and don't error out if we hit ENOSPC. Signed-off-by: Chris Mason <clm@fb.com> Tested-by: Dave Sterba <dsterba@suse.cz> Reported-by: Holger Hoffstaette <holger.hoffstaette@googlemail.com>
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