summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--fs/btrfs/ctree.c8
-rw-r--r--fs/btrfs/disk-io.c6
2 files changed, 7 insertions, 7 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index f82f8db02275..ac61c50a3311 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1285,16 +1285,16 @@ static noinline void reada_for_search(struct btrfs_root *root,
}
search = btrfs_node_blockptr(node, nr);
if ((search >= lowest_read && search <= highest_read) ||
- (search < lowest_read && lowest_read - search <= 32768) ||
- (search > highest_read && search - highest_read <= 32768)) {
+ (search < lowest_read && lowest_read - search <= 16384) ||
+ (search > highest_read && search - highest_read <= 16384)) {
readahead_tree_block(root, search, blocksize,
btrfs_node_ptr_generation(node, nr));
nread += blocksize;
}
nscan++;
- if (path->reada < 2 && (nread > (256 * 1024) || nscan > 32))
+ if (path->reada < 2 && (nread > (64 * 1024) || nscan > 32))
break;
- if(nread > (1024 * 1024) || nscan > 128)
+ if(nread > (256 * 1024) || nscan > 128)
break;
if (search < lowest_read)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 1bb54d69fbb2..3b0e974a9e9c 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -605,7 +605,7 @@ static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
BUG_ON(ret);
return btrfs_map_bio(BTRFS_I(inode)->root, rw, bio,
- mirror_num, 1);
+ mirror_num, 0);
}
return btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info,
inode, rw, bio, mirror_num, 0,
@@ -1139,11 +1139,11 @@ static int btrfs_congested_fn(void *congested_data, int bdi_bits)
struct list_head *cur;
struct btrfs_device *device;
struct backing_dev_info *bdi;
-
+#if 0
if ((bdi_bits & (1 << BDI_write_congested)) &&
btrfs_congested_async(info, 0))
return 1;
-
+#endif
list_for_each(cur, &info->fs_devices->devices) {
device = list_entry(cur, struct btrfs_device, dev_list);
if (!device->bdev)
OpenPOWER on IntegriCloud