If we runt the direct IO, we should not run auto defrag, because it may introduce buffered IO vs direcIO problem, and make direct IO slow down.
Signed-off-by: Miao Xie <[email protected]> --- fs/btrfs/inode.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 5fc0990..b08e4b1 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5674,9 +5674,6 @@ static struct extent_map *btrfs_new_extent_direct(struct inode *inode, if (IS_ERR(trans)) return ERR_CAST(trans); - if (start <= BTRFS_I(inode)->disk_i_size && len < 64 * 1024) - btrfs_add_inode_defrag(trans, inode); - trans->block_rsv = &root->fs_info->delalloc_block_rsv; alloc_hint = get_extent_allocation_hint(inode, start, len); -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
