diff mbox series

[v3,03/13] btrfs: remove unnecessary variable shadowing in btrfs_invalidatepage()

Message ID 20210325071445.90896-4-wqu@suse.com (mailing list archive)
State New, archived
Headers show
Series btrfs: support read-write for subpage metadata | expand

Commit Message

Qu Wenruo March 25, 2021, 7:14 a.m. UTC 
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>
---
 fs/btrfs/inode.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
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Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ab42d1d0c1f2..d777f67d366b 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8409,15 +8409,11 @@  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,