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Commit d6667462 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: Change st_blocksize to 4k 



Some programs (python) do rwm cycles at the granularity returned by
stat.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 73e48b27

fs/btrfs/inode.c

+1 −1
Original line number Diff line number Diff line
@@ -2701,7 +2701,7 @@ static int btrfs_getattr(struct vfsmount *mnt, 
{

	struct inode *inode = dentry->d_inode;

	generic_fillattr(inode, stat);

	stat->blksize = 256 * 1024;

	stat->blksize = PAGE_CACHE_SIZE;

	return 0;

}

fs/btrfs/root-tree.c

+8 −1
Original line number Diff line number Diff line
@@ -75,7 +75,14 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root 
	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);