diff options
| author | Chris Mason <chris.mason@oracle.com> | 2008-03-24 15:02:07 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:01 -0400 |
| commit | 239b14b32dc39232ebf9cce29ff77c4c564355fd (patch) | |
| tree | f7a95d97d71ef9d0f355a71a83e2ba1f62944e04 /fs/btrfs/volumes.c | |
| parent | 0d81ba5dbedef0c3970d6aa318aa84920943e6e3 (diff) | |
Btrfs: Bring back mount -o ssd optimizations
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index ae22d01ecf5..16fb6bbe6e2 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; |