commit 81d7ed29ff6bdec903c36c26b386e16c014993b2
author Chris Mason <chris.mason@oracle.com> Fri Apr 25 08:51:48 2008 -0400
committer Chris Mason <chris.mason@oracle.com> Thu Sep 25 11:04:02 2008 -0400
tree 561f6d5b85c9af14acc97ec45b6ce6622c3ec3f4
parent bce4eae9864e6b6ebde5d7f05576ff0a6c3724d0

Btrfs: Throttle file_write when data=ordered is flushing the inode

Signed-off-by: Chris Mason <chris.mason@oracle.com>

fs/btrfs/inode.c

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d58b4d5..b31f52d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1419,6 +1419,7 @@
 			     inode->i_mapping, GFP_NOFS);
 	extent_io_tree_init(&BTRFS_I(inode)->io_failure_tree,
 			     inode->i_mapping, GFP_NOFS);
+	atomic_set(&BTRFS_I(inode)->ordered_writeback, 0);
 	return 0;
 }
 
@@ -1728,6 +1729,7 @@
 			     inode->i_mapping, GFP_NOFS);
 	extent_io_tree_init(&BTRFS_I(inode)->io_failure_tree,
 			     inode->i_mapping, GFP_NOFS);
+	atomic_set(&BTRFS_I(inode)->ordered_writeback, 0);
 	BTRFS_I(inode)->delalloc_bytes = 0;
 	BTRFS_I(inode)->root = root;
 
@@ -1956,6 +1958,7 @@
 		extent_io_tree_init(&BTRFS_I(inode)->io_failure_tree,
 				     inode->i_mapping, GFP_NOFS);
 		BTRFS_I(inode)->delalloc_bytes = 0;
+		atomic_set(&BTRFS_I(inode)->ordered_writeback, 0);
 		BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
 	}
 	dir->i_sb->s_dirt = 1;
@@ -3292,6 +3295,7 @@
 		extent_io_tree_init(&BTRFS_I(inode)->io_failure_tree,
 				     inode->i_mapping, GFP_NOFS);
 		BTRFS_I(inode)->delalloc_bytes = 0;
+		atomic_set(&BTRFS_I(inode)->ordered_writeback, 0);
 		BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
 	}
 	dir->i_sb->s_dirt = 1;