From d666746207a01546e55bdaa4b721d1890faaf6e8 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Thu, 3 Jan 2008 14:51:00 -0500 Subject: [PATCH] Btrfs: Change st_blocksize to 4k Some programs (python) do rwm cycles at the granularity returned by stat. Signed-off-by: Chris Mason --- fs/btrfs/inode.c | 2 +- fs/btrfs/root-tree.c | 9 ++++++++- 2 files changed, 9 insertions(+), 2 deletions(-) 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 @@ 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; } 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 @@ 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); -- 1.8.2.3