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authorChris Mason <chris.mason@oracle.com>2007-11-27 10:52:01 -0500
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:03:58 -0400
commit448d640b668dae3928591e83f2bf4ca9f4c06e52 (patch)
treee2cb5deb84444257ad6ed4412a9ec8469df8e935 /fs/btrfs/file.c
parent8790bad7fb5ac4929dcd52c5dd8d6b81f8c05be8 (diff)
Btrfs: Fine tune the btree writeback exclusion some more
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r--fs/btrfs/file.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 9dd2c5c23b56..ba624ae16e61 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -767,7 +767,8 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
767 num_written += write_bytes; 767 num_written += write_bytes;
768 768
769 balance_dirty_pages_ratelimited_nr(inode->i_mapping, num_pages); 769 balance_dirty_pages_ratelimited_nr(inode->i_mapping, num_pages);
770 btrfs_btree_balance_dirty(root, 1); 770 if (num_pages < (root->leafsize >> PAGE_CACHE_SHIFT) + 1)
771 btrfs_btree_balance_dirty(root, 1);
771 cond_resched(); 772 cond_resched();
772 } 773 }
773 mutex_unlock(&inode->i_mutex); 774 mutex_unlock(&inode->i_mutex);