C++ (Cpp) gfs2_meta_sync示例

示例#1

文件： glops.c 项目： xf739645524/kernel-rhel5

static void inode_go_sync(struct gfs2_glock *gl)
{
	struct gfs2_inode *ip = gl->gl_object;

	if (gl->gl_state != LM_ST_UNLOCKED)
		gfs2_pte_inval(gl);
	if (gl->gl_state != LM_ST_EXCLUSIVE)
		return;

	if (ip && !S_ISREG(ip->i_inode.i_mode))
		ip = NULL;

	if (test_bit(GLF_DIRTY, &gl->gl_flags)) {
		if (ip && !gfs2_is_jdata(ip))
			filemap_fdatawrite(ip->i_inode.i_mapping);
		gfs2_log_flush(gl->gl_sbd, gl);
		if (ip && gfs2_is_jdata(ip))
			filemap_fdatawrite(ip->i_inode.i_mapping);
		gfs2_meta_sync(gl);
		if (ip) {
			struct address_space *mapping = ip->i_inode.i_mapping;
			int error = filemap_fdatawait(mapping);
			if (error == -ENOSPC)
				set_bit(AS_ENOSPC, &mapping->flags);
			else if (error)
				set_bit(AS_EIO, &mapping->flags);
		}
		clear_bit(GLF_DIRTY, &gl->gl_flags);
		gfs2_ail_empty_gl(gl);
	}
}

示例#2

文件： glops.c 项目： WiseMan787/ralink_sdk

static void meta_go_sync(struct gfs2_glock *gl)
{
	if (gl->gl_state != LM_ST_EXCLUSIVE)
		return;

	if (test_and_clear_bit(GLF_DIRTY, &gl->gl_flags)) {
		gfs2_log_flush(gl->gl_sbd, gl);
		gfs2_meta_sync(gl);
		gfs2_ail_empty_gl(gl);
	}
}