fuse: invalidate inode attributes on xattr modification

[pandora-kernel.git] / fs / btrfs / transaction.c

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 960835e..81376d9 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -785,6 +785,10 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans,
 
                        btrfs_save_ino_cache(root, trans);
 
+                       /* see comments in should_cow_block() */
+                       root->force_cow = 0;
+                       smp_wmb();
+
                        if (root->commit_root != root->node) {
                                mutex_lock(&root->fs_commit_mutex);
                                switch_commit_root(root);
@@ -882,8 +886,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
        btrfs_reloc_pre_snapshot(trans, pending, &to_reserve);
 
        if (to_reserve > 0) {
-               ret = btrfs_block_rsv_add(root, &pending->block_rsv,
-                                         to_reserve);
+               ret = btrfs_block_rsv_add_noflush(root, &pending->block_rsv,
+                                                 to_reserve);
                if (ret) {
                        pending->error = ret;
                        goto fail;
@@ -947,6 +951,10 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
        btrfs_tree_unlock(old);
        free_extent_buffer(old);
 
+       /* see comments in should_cow_block() */
+       root->force_cow = 1;
+       smp_wmb();
+
        btrfs_set_root_node(new_root_item, tmp);
        /* record when the snapshot was created in key.offset */
        key.offset = trans->transid;