[DFS] Remove opened file check
Remove opened file check in dfs_file_open function. It will be replaced with POSIX flock/fcntl.
* 2005-02-22 Bernard The first version.
* 2011-12-08 Bernard Merges rename patch from iamcacy.
* 2015-05-27 Bernard Fix the fd clear issue.
+ * 2019-01-24 Bernard Remove file repeatedly open check.
*/
#include <dfs.h>
@@ -48,14 +49,6 @@ int dfs_file_open(struct dfs_fd *fd, const char *path, int flags)
LOG_D("open file:%s", fullpath);
- /* Check whether file is already open */
- if (fd_is_open(fullpath) == 0)
- {
- rt_free(fullpath); /* release path */
-
- return -EBUSY;
- }
-
/* find filesystem */
fs = dfs_filesystem_lookup(fullpath);
if (fs == NULL)
