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Btrfs: delay iput when deleting a block group
I kept getting warnings from evict because we were calling btrfs_start_transaction() with a transaction already started when doing a balance. This is because we remove a block group which requires a transaction, and the put the last reference on the cache inode. Instead of doing this we need to delay the iput so it is done not within a transaction having started. This gets rid of our warnings. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
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@ -7266,7 +7266,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
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spin_unlock(&block_group->lock);
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}
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/* One for our lookup ref */
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iput(inode);
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btrfs_add_delayed_iput(inode);
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}
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key.objectid = BTRFS_FREE_SPACE_OBJECTID;
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