From 6a3c7f5c87854e948c3c234e5f5e745c7c553722 Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Thu, 28 May 2020 11:05:13 +0300 Subject: [PATCH] btrfs: don't balance btree inode pages from buffered write path The call to btrfs_btree_balance_dirty has been there since the early days of BTRFS, when the btree was directly modified from the write path, hence dirtied btree inode pages. With the implementation of b888db2bd7b6 ("Btrfs: Add delayed allocation to the extent based page tree code") 13 years ago the btree is no longer modified from the write path, hence there is no point in calling this function. Just remove it. Signed-off-by: Nikolay Borisov Signed-off-by: David Sterba --- fs/btrfs/file.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index b0d2c976587e..52422e2b3344 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1800,8 +1800,6 @@ again: cond_resched(); balance_dirty_pages_ratelimited(inode->i_mapping); - if (dirty_pages < (fs_info->nodesize >> PAGE_SHIFT) + 1) - btrfs_btree_balance_dirty(fs_info); pos += copied; num_written += copied; -- 2.25.1