Btrfs: Change st_blocksize to 4k
Some programs (python) do rwm cycles at the granularity returned by
stat.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6e2d036..6d0cd9a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2701,7 +2701,7 @@
{
struct inode *inode = dentry->d_inode;
generic_fillattr(inode, stat);
- stat->blksize = 256 * 1024;
+ stat->blksize = PAGE_CACHE_SIZE;
return 0;
}
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index e2b9b86..08f19ec 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -75,7 +75,14 @@
ret = btrfs_search_slot(trans, root, key, path, 0, 1);
if (ret < 0)
goto out;
- BUG_ON(ret != 0);
+
+ if (ret != 0) {
+ btrfs_print_leaf(root, path->nodes[0]);
+ printk("unable to update root key %Lu %u %Lu\n",
+ key->objectid, key->type, key->offset);
+ BUG_ON(1);
+ }
+
l = path->nodes[0];
slot = path->slots[0];
ptr = btrfs_item_ptr_offset(l, slot);