btrfs: fix build warning
We were getting build warning about: fs/btrfs/extent-tree.c:7021:34: warning: ‘used_bg’ may be used uninitialized in this function It is not a valid warning as used_bg is never used uninitilized since locked is initially false so we can never be in the section where 'used_bg' is used. But gcc is not able to understand that and we can initialize it while declaring to silence the warning. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: David Sterba <dsterba@suse.com>
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@ -7018,7 +7018,7 @@ btrfs_lock_cluster(struct btrfs_block_group_cache *block_group,
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struct btrfs_free_cluster *cluster,
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struct btrfs_free_cluster *cluster,
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int delalloc)
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int delalloc)
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{
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{
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struct btrfs_block_group_cache *used_bg;
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struct btrfs_block_group_cache *used_bg = NULL;
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bool locked = false;
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bool locked = false;
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again:
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again:
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spin_lock(&cluster->refill_lock);
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spin_lock(&cluster->refill_lock);
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