From 236454dfffb64a95ee01c50a215153f5de61c475 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Thu, 19 Apr 2007 13:37:44 -0400 Subject: Btrfs: many file_write fixes, inline data Signed-off-by: Chris Mason --- fs/btrfs/disk-io.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'fs/btrfs/disk-io.c') diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index a2a3f529cad..11e17a2f736 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -108,6 +108,12 @@ int btrfs_map_bh_to_logical(struct btrfs_root *root, struct buffer_head *bh, int ret; + if (logical == 0) { + bh->b_bdev = NULL; + bh->b_blocknr = 0; + set_buffer_mapped(bh); + return 0; + } root = root->fs_info->dev_root; ret = radix_tree_gang_lookup(&root->fs_info->dev_radix, (void **)lookup, -- cgit v1.2.2