From 239b14b32dc39232ebf9cce29ff77c4c564355fd Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 24 Mar 2008 15:02:07 -0400 Subject: Btrfs: Bring back mount -o ssd optimizations Signed-off-by: Chris Mason --- fs/btrfs/volumes.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'fs/btrfs/volumes.c') diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index ae22d01ecf54..16fb6bbe6e28 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -578,6 +578,11 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio) map_tree = &root->fs_info->mapping_tree; map_length = length; ret = btrfs_map_block(map_tree, logical, &physical, &map_length, &dev); + if (map_length < length) { + printk("mapping failed logical %Lu bio len %Lu physical %Lu " + "len %Lu\n", logical, length, physical, map_length); + BUG(); + } BUG_ON(map_length < length); bio->bi_sector = physical >> 9; bio->bi_bdev = dev->bdev; -- cgit v1.2.2