orangefs: set up and use backing_dev_info (f2d34c73) · Commits · 戴 / test

fs/orangefs/super.c

+14 −7

Original line number	Diff line number	Diff line
		@@ -407,15 +407,11 @@ static int orangefs_fill_sb(struct super_block *sb,
		struct orangefs_fs_mount_response *fs_mount,
		void *data, int silent)
		{
		int ret = -EINVAL;
		struct inode *root = NULL;
		struct dentry *root_dentry = NULL;
		int ret;
		struct inode *root;
		struct dentry *root_dentry;
		struct orangefs_object_kref root_object;

		/* alloc and init our private orangefs sb info */
		sb->s_fs_info = kzalloc(sizeof(struct orangefs_sb_info_s), GFP_KERNEL);
		if (!ORANGEFS_SB(sb))
		return -ENOMEM;
		ORANGEFS_SB(sb)->sb = sb;

		ORANGEFS_SB(sb)->root_khandle = fs_mount->root_khandle;
		@@ -438,6 +434,10 @@ static int orangefs_fill_sb(struct super_block *sb,
		sb->s_blocksize_bits = PAGE_SHIFT;
		sb->s_maxbytes = MAX_LFS_FILESIZE;

		ret = super_setup_bdi(sb);
		if (ret)
		return ret;

		root_object.khandle = ORANGEFS_SB(sb)->root_khandle;
		root_object.fs_id = ORANGEFS_SB(sb)->fs_id;
		gossip_debug(GOSSIP_SUPER_DEBUG,
		@@ -516,6 +516,13 @@ struct dentry orangefs_mount(struct file_system_type fst,
		goto free_op;
		}

		/* alloc and init our private orangefs sb info */
		sb->s_fs_info = kzalloc(sizeof(struct orangefs_sb_info_s), GFP_KERNEL);
		if (!ORANGEFS_SB(sb)) {
		d = ERR_PTR(-ENOMEM);
		goto free_op;
		}

		ret = orangefs_fill_sb(sb,
		&new_op->downcall.resp.fs_mount, data,
		flags & SB_SILENT ? 1 : 0);