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authorJosef Bacik <josef@redhat.com>2011-07-15 18:01:03 +0200
committerChris Mason <chris.mason@oracle.com>2011-07-27 18:46:43 +0200
commita5991428064e98c7367fe1c1686ea6a23fb6a4b3 (patch)
tree4e063831c205d707bd1e85fb5814a95f61843dc8
parentBtrfs: use find_or_create_page instead of grab_cache_page (diff)
downloadlinux-a5991428064e98c7367fe1c1686ea6a23fb6a4b3.tar.xz
linux-a5991428064e98c7367fe1c1686ea6a23fb6a4b3.zip
Btrfs: don't flush delalloc arbitrarily
Kill the check to see if we have 512mb of reserved space in delalloc and shrink_delalloc if we do. This causes unexpected latencies and we have other logic to see if we need to throttle. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
-rw-r--r--fs/btrfs/extent-tree.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 5ab31f70ff5b..0a5bd67e2894 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3986,9 +3986,6 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
block_rsv_add_bytes(block_rsv, to_reserve, 1);
- if (block_rsv->size > 512 * 1024 * 1024)
- shrink_delalloc(NULL, root, to_reserve, 0);
-
return 0;
}