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btrfs: remove unnecessary variable shadowing in btrfs_invalidatepage()

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In btrfs_invalidatepage() we re-declare @tree variable as
btrfs_ordered_inode_tree.

Since it's only used to do the spinlock, we can grab it from inode
directly, and remove the unnecessary declaration completely.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2021-03-25 15:14:35 +08:00 committed by David Sterba
parent ac5804eb85
commit d239bcb83b
1 changed files with 2 additions and 6 deletions
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8
fs/btrfs/inode.c
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@ -8413,15 +8413,11 @@ static void btrfs_invalidatepage(struct page *page, unsigned int offset,
* for the finish_ordered_io
*/
if (TestClearPagePrivate2(page)) {
struct btrfs_ordered_inode_tree *tree;
tree = &inode->ordered_tree;
spin_lock_irq(&tree->lock);
spin_lock_irq(&inode->ordered_tree.lock);
set_bit(BTRFS_ORDERED_TRUNCATED, &ordered->flags);
ordered->truncated_len = min(ordered->truncated_len,
start - ordered->file_offset);
spin_unlock_irq(&tree->lock);
spin_unlock_irq(&inode->ordered_tree.lock);
if (btrfs_dec_test_ordered_pending(inode, &ordered,
start,