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Commit 74e4d827 authored by David Sterba's avatar David Sterba
Browse files

btrfs: let callers of btrfs_alloc_root pass gfp flags 



We don't need to use GFP_NOFS in all contexts, eg. during mount or for
dummy root tree, but we might for the the log tree creation.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 58c4e173

fs/btrfs/disk-io.c

+11 −10
Original line number Diff line number Diff line
@@ -1296,9 +1296,10 @@ static void __setup_root(u32 nodesize, u32 sectorsize, u32 stripesize, 
	spin_lock_init(&root->root_item_lock);

}



static struct btrfs_root *btrfs_alloc_root(struct btrfs_fs_info *fs_info)

static struct btrfs_root *btrfs_alloc_root(struct btrfs_fs_info *fs_info,

		gfp_t flags)

{

	struct btrfs_root *root = kzalloc(sizeof(*root), GFP_NOFS);

	struct btrfs_root *root = kzalloc(sizeof(*root), flags);

	if (root)

		root->fs_info = fs_info;

	return root;
@@ -1310,7 +1311,7 @@ struct btrfs_root *btrfs_alloc_dummy_root(void) 
{

	struct btrfs_root *root;



	root = btrfs_alloc_root(NULL);

	root = btrfs_alloc_root(NULL, GFP_KERNEL);

	if (!root)

		return ERR_PTR(-ENOMEM);

	__setup_root(4096, 4096, 4096, root, NULL, 1);
@@ -1332,7 +1333,7 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, 
	int ret = 0;

	uuid_le uuid;



	root = btrfs_alloc_root(fs_info);

	root = btrfs_alloc_root(fs_info, GFP_KERNEL);

	if (!root)

		return ERR_PTR(-ENOMEM);
@@ -1408,7 +1409,7 @@ static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans, 
	struct btrfs_root *tree_root = fs_info->tree_root;

	struct extent_buffer *leaf;



	root = btrfs_alloc_root(fs_info);

	root = btrfs_alloc_root(fs_info, GFP_NOFS);

	if (!root)

		return ERR_PTR(-ENOMEM);
@@ -1506,7 +1507,7 @@ static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root, 
	if (!path)

		return ERR_PTR(-ENOMEM);



	root = btrfs_alloc_root(fs_info);

	root = btrfs_alloc_root(fs_info, GFP_NOFS);

	if (!root) {

		ret = -ENOMEM;

		goto alloc_fail;
@@ -2385,7 +2386,7 @@ static int btrfs_replay_log(struct btrfs_fs_info *fs_info, 
		return -EIO;

	}



	log_tree_root = btrfs_alloc_root(fs_info);

	log_tree_root = btrfs_alloc_root(fs_info, GFP_KERNEL);

	if (!log_tree_root)

		return -ENOMEM;
@@ -2510,8 +2511,8 @@ int open_ctree(struct super_block *sb, 
	int backup_index = 0;

	int max_active;



	tree_root = fs_info->tree_root = btrfs_alloc_root(fs_info);

	chunk_root = fs_info->chunk_root = btrfs_alloc_root(fs_info);

	tree_root = fs_info->tree_root = btrfs_alloc_root(fs_info, GFP_KERNEL);

	chunk_root = fs_info->chunk_root = btrfs_alloc_root(fs_info, GFP_KERNEL);

	if (!tree_root || !chunk_root) {

		err = -ENOMEM;

		goto fail;
@@ -2622,7 +2623,7 @@ int open_ctree(struct super_block *sb, 
	INIT_LIST_HEAD(&fs_info->ordered_roots);

	spin_lock_init(&fs_info->ordered_root_lock);

	fs_info->delayed_root = kmalloc(sizeof(struct btrfs_delayed_root),

					GFP_NOFS);

					GFP_KERNEL);

	if (!fs_info->delayed_root) {

		err = -ENOMEM;

		goto fail_iput;