Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  btrfs: fix inconsonant inode information
  Btrfs: make sure to update total_bitmaps when freeing cache V3
  Btrfs: fix type mismatch in find_free_extent()
  Btrfs: make sure to record the transid in new inodes

5 files changed, 100 insertions, 31 deletions

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index f1cbd02..98c68e6 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -82,19 +82,16 @@ static inline struct btrfs_delayed_root *btrfs_get_delayed_root(
 	return root->fs_info->delayed_root;
 }
 
-static struct btrfs_delayed_node *btrfs_get_or_create_delayed_node(
-							struct inode *inode)
+static struct btrfs_delayed_node *btrfs_get_delayed_node(struct inode *inode)
 {
-	struct btrfs_delayed_node *node;
 	struct btrfs_inode *btrfs_inode = BTRFS_I(inode);
 	struct btrfs_root *root = btrfs_inode->root;
 	u64 ino = btrfs_ino(inode);
-	int ret;
+	struct btrfs_delayed_node *node;
 
-again:
 	node = ACCESS_ONCE(btrfs_inode->delayed_node);
 	if (node) {
-		atomic_inc(&node->refs);	/* can be accessed */
+		atomic_inc(&node->refs);
 		return node;
 	}
 
@@ -102,8 +99,10 @@ again:
 	node = radix_tree_lookup(&root->delayed_nodes_tree, ino);
 	if (node) {
 		if (btrfs_inode->delayed_node) {
+			atomic_inc(&node->refs);	/* can be accessed */
+			BUG_ON(btrfs_inode->delayed_node != node);
 			spin_unlock(&root->inode_lock);
-			goto again;
+			return node;
 		}
 		btrfs_inode->delayed_node = node;
 		atomic_inc(&node->refs);	/* can be accessed */
@@ -113,6 +112,23 @@ again:
 	}
 	spin_unlock(&root->inode_lock);
 
+	return NULL;
+}
+
+static struct btrfs_delayed_node *btrfs_get_or_create_delayed_node(
+							struct inode *inode)
+{
+	struct btrfs_delayed_node *node;
+	struct btrfs_inode *btrfs_inode = BTRFS_I(inode);
+	struct btrfs_root *root = btrfs_inode->root;
+	u64 ino = btrfs_ino(inode);
+	int ret;
+
+again:
+	node = btrfs_get_delayed_node(inode);
+	if (node)
+		return node;
+
 	node = kmem_cache_alloc(delayed_node_cache, GFP_NOFS);
 	if (!node)
 		return ERR_PTR(-ENOMEM);
@@ -548,19 +564,6 @@ struct btrfs_delayed_item *__btrfs_next_delayed_item(
 	return next;
 }
 
-static inline struct btrfs_delayed_node *btrfs_get_delayed_node(
-							struct inode *inode)
-{
-	struct btrfs_inode *btrfs_inode = BTRFS_I(inode);
-	struct btrfs_delayed_node *delayed_node;
-
-	delayed_node = btrfs_inode->delayed_node;
-	if (delayed_node)
-		atomic_inc(&delayed_node->refs);
-
-	return delayed_node;
-}
-
 static inline struct btrfs_root *btrfs_get_fs_root(struct btrfs_root *root,
 						   u64 root_id)
 {
@@ -1404,8 +1407,7 @@ end:
 
 int btrfs_inode_delayed_dir_index_count(struct inode *inode)
 {
-	struct btrfs_delayed_node *delayed_node = BTRFS_I(inode)->delayed_node;
-	int ret = 0;
+	struct btrfs_delayed_node *delayed_node = btrfs_get_delayed_node(inode);
 
 	if (!delayed_node)
 		return -ENOENT;
@@ -1415,11 +1417,14 @@ int btrfs_inode_delayed_dir_index_count(struct inode *inode)
 	 * a new directory index is added into the delayed node and index_cnt
 	 * is updated now. So we needn't lock the delayed node.
 	 */
-	if (!delayed_node->index_cnt)
+	if (!delayed_node->index_cnt) {
+		btrfs_release_delayed_node(delayed_node);
 		return -EINVAL;
+	}
 
 	BTRFS_I(inode)->index_cnt = delayed_node->index_cnt;
-	return ret;
+	btrfs_release_delayed_node(delayed_node);
+	return 0;
 }
 
 void btrfs_get_delayed_items(struct inode *inode, struct list_head *ins_list,
@@ -1613,6 +1618,57 @@ static void fill_stack_inode_item(struct btrfs_trans_handle *trans,
 				      inode->i_ctime.tv_nsec);
 }
 
+int btrfs_fill_inode(struct inode *inode, u32 *rdev)
+{
+	struct btrfs_delayed_node *delayed_node;
+	struct btrfs_inode_item *inode_item;
+	struct btrfs_timespec *tspec;
+
+	delayed_node = btrfs_get_delayed_node(inode);
+	if (!delayed_node)
+		return -ENOENT;
+
+	mutex_lock(&delayed_node->mutex);
+	if (!delayed_node->inode_dirty) {
+		mutex_unlock(&delayed_node->mutex);
+		btrfs_release_delayed_node(delayed_node);
+		return -ENOENT;
+	}
+
+	inode_item = &delayed_node->inode_item;
+
+	inode->i_uid = btrfs_stack_inode_uid(inode_item);
+	inode->i_gid = btrfs_stack_inode_gid(inode_item);
+	btrfs_i_size_write(inode, btrfs_stack_inode_size(inode_item));
+	inode->i_mode = btrfs_stack_inode_mode(inode_item);
+	inode->i_nlink = btrfs_stack_inode_nlink(inode_item);
+	inode_set_bytes(inode, btrfs_stack_inode_nbytes(inode_item));
+	BTRFS_I(inode)->generation = btrfs_stack_inode_generation(inode_item);
+	BTRFS_I(inode)->sequence = btrfs_stack_inode_sequence(inode_item);
+	inode->i_rdev = 0;
+	*rdev = btrfs_stack_inode_rdev(inode_item);
+	BTRFS_I(inode)->flags = btrfs_stack_inode_flags(inode_item);
+
+	tspec = btrfs_inode_atime(inode_item);
+	inode->i_atime.tv_sec = btrfs_stack_timespec_sec(tspec);
+	inode->i_atime.tv_nsec = btrfs_stack_timespec_nsec(tspec);
+
+	tspec = btrfs_inode_mtime(inode_item);
+	inode->i_mtime.tv_sec = btrfs_stack_timespec_sec(tspec);
+	inode->i_mtime.tv_nsec = btrfs_stack_timespec_nsec(tspec);
+
+	tspec = btrfs_inode_ctime(inode_item);
+	inode->i_ctime.tv_sec = btrfs_stack_timespec_sec(tspec);
+	inode->i_ctime.tv_nsec = btrfs_stack_timespec_nsec(tspec);
+
+	inode->i_generation = BTRFS_I(inode)->generation;
+	BTRFS_I(inode)->index_cnt = (u64)-1;
+
+	mutex_unlock(&delayed_node->mutex);
+	btrfs_release_delayed_node(delayed_node);
+	return 0;
+}
+
 int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
 			       struct btrfs_root *root, struct inode *inode)
 {
diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h
index d1a6a29..8d27af4 100644
--- a/fs/btrfs/delayed-inode.h
+++ b/fs/btrfs/delayed-inode.h
@@ -119,6 +119,7 @@ void btrfs_kill_delayed_inode_items(struct inode *inode);
 
 int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
 			       struct btrfs_root *root, struct inode *inode);
+int btrfs_fill_inode(struct inode *inode, u32 *rdev);
 
 /* Used for drop dead root */
 void btrfs_kill_all_delayed_nodes(struct btrfs_root *root);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 1f61bf5..71cd456 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4842,7 +4842,7 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
 				     u64 num_bytes, u64 empty_size,
 				     u64 search_start, u64 search_end,
 				     u64 hint_byte, struct btrfs_key *ins,
-				     int data)
+				     u64 data)
 {
 	int ret = 0;
 	struct btrfs_root *root = orig_root->fs_info->extent_root;
@@ -4869,7 +4869,7 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
 
 	space_info = __find_space_info(root->fs_info, data);
 	if (!space_info) {
-		printk(KERN_ERR "No space info for %d\n", data);
+		printk(KERN_ERR "No space info for %llu\n", data);
 		return -ENOSPC;
 	}
 
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 9f985a4..bf0d615 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1893,9 +1893,12 @@ void __btrfs_remove_free_space_cache_locked(struct btrfs_free_space_ctl *ctl)
 
 	while ((node = rb_last(&ctl->free_space_offset)) != NULL) {
 		info = rb_entry(node, struct btrfs_free_space, offset_index);
-		unlink_free_space(ctl, info);
-		kfree(info->bitmap);
-		kmem_cache_free(btrfs_free_space_cachep, info);
+		if (!info->bitmap) {
+			unlink_free_space(ctl, info);
+			kmem_cache_free(btrfs_free_space_cachep, info);
+		} else {
+			free_bitmap(ctl, info);
+		}
 		if (need_resched()) {
 			spin_unlock(&ctl->tree_lock);
 			cond_resched();
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0a9b10c..d340f63 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2509,6 +2509,11 @@ static void btrfs_read_locked_inode(struct inode *inode)
 	int maybe_acls;
 	u32 rdev;
 	int ret;
+	bool filled = false;
+
+	ret = btrfs_fill_inode(inode, &rdev);
+	if (!ret)
+		filled = true;
 
 	path = btrfs_alloc_path();
 	BUG_ON(!path);
@@ -2520,6 +2525,10 @@ static void btrfs_read_locked_inode(struct inode *inode)
 		goto make_bad;
 
 	leaf = path->nodes[0];
+
+	if (filled)
+		goto cache_acl;
+
 	inode_item = btrfs_item_ptr(leaf, path->slots[0],
 				    struct btrfs_inode_item);
 	if (!leaf->map_token)
@@ -2556,7 +2565,7 @@ static void btrfs_read_locked_inode(struct inode *inode)
 
 	BTRFS_I(inode)->index_cnt = (u64)-1;
 	BTRFS_I(inode)->flags = btrfs_inode_flags(leaf, inode_item);
-
+cache_acl:
 	/*
 	 * try to precache a NULL acl entry for files that don't have
 	 * any xattrs or acls
@@ -2572,7 +2581,6 @@ static void btrfs_read_locked_inode(struct inode *inode)
 	}
 
 	btrfs_free_path(path);
-	inode_item = NULL;
 
 	switch (inode->i_mode & S_IFMT) {
 	case S_IFREG:
@@ -4520,6 +4528,7 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans,
 	inode_tree_add(inode);
 
 	trace_btrfs_inode_new(inode);
+	btrfs_set_inode_last_trans(trans, inode);
 
 	return inode;
 fail: