On 10/03/2021 17:08, Qu Wenruo wrote:
In btrfs_invalidatepage() we introduce a temporary variable, new_len, to
update ordered->truncated_len.
But we can use min() to replace it completely and no need for the
variable.
Signed-off-by: Qu Wenruo <w...@suse.com>
---
Reviewed-by: Anand Jain <anand.j...@oracle.com>
-Anand
fs/btrfs/inode.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 52dc5f52ea58..2973cec05505 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8405,15 +8405,13 @@ static void btrfs_invalidatepage(struct page *page,
unsigned int offset,
*/
if (TestClearPagePrivate2(page)) {
struct btrfs_ordered_inode_tree *tree;
- u64 new_len;
tree = &inode->ordered_tree;
spin_lock_irq(&tree->lock);
set_bit(BTRFS_ORDERED_TRUNCATED, &ordered->flags);
- new_len = start - ordered->file_offset;
- if (new_len < ordered->truncated_len)
- ordered->truncated_len = new_len;
+ ordered->truncated_len = min(ordered->truncated_len,
+ start - ordered->file_offset);
spin_unlock_irq(&tree->lock);
if (btrfs_dec_test_ordered_pending(inode, &ordered,