Messages in this thread | | | Subject | Re: How to know when file data has been flushed into disk? | From | Douglas McNaught <> | Date | Fri, 07 Apr 2006 11:53:29 -0400 |
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"Xin Zhao" <uszhaoxin@gmail.com> writes:
> 3. Does sys_close() have to be blocked until all data and metadata > are committed? If not, sys_close() may give application an illusion > that the file is successfully written, which can cause the application > to take subsequent operation. However, data flush could be failed. In > this case, file system seems to mislead the application. Is this true? > If so, any solutions?
The fsync() call is the way to make sure written data has hit the disk. close() doesn't guarantee that.
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