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Btrfs: Only limit btree writeback for pdflush
author
Chris Mason
<chris.mason@oracle.com>
Tue, 27 Nov 2007 00:47:05 +0000
(19:47 -0500)
committer
Chris Mason
<chris.mason@oracle.com>
Thu, 25 Sep 2008 15:03:58 +0000
(11:03 -0400)
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/disk-io.c
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diff --git
a/fs/btrfs/disk-io.c
b/fs/btrfs/disk-io.c
index
28e9ef8
..
8a74f90
100644
(file)
--- a/
fs/btrfs/disk-io.c
+++ b/
fs/btrfs/disk-io.c
@@
-210,7
+210,7
@@
static int btree_writepages(struct address_space *mapping,
{
struct extent_map_tree *tree;
tree = &BTRFS_I(mapping->host)->extent_tree;
- if (wbc->sync_mode == WB_SYNC_NONE) {
+ if (wbc->sync_mode == WB_SYNC_NONE
&& current_is_pdflush()
) {
u64 num_dirty;
u64 start = 0;
unsigned long thresh = 96 * 1024 * 1024;