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Date: Sun, 12 Feb 2012 18:48:52 -0500 From: Christoph Hellwig <hch@...radead.org> To: Curt Wohlgemuth <curtw@...gle.com> Cc: xfs@....sgi.com, linux-ext4@...r.kernel.org Subject: Re: [PATCH] xfstests: fix msync() call in fsx.c:domapwrite() On Tue, Feb 07, 2012 at 11:16:06AM -0800, Curt Wohlgemuth wrote: > This explicitly sends MS_SYNC as the flag to msync() in > fsx.c, in domapwrite(). Without this flag, the memory > written to the mmap'ed region will not be flushed to disk; > in fact, on Linux, calling msync() with a '0' or MS_ASYNC > flag is a no-op. Looks sensible to me - what exactly msync did has always been grossly different for different operating systems, including changing meaning on Linux a few times, so let's be explicit. Reviewed-by: Christoph Hellwig <hch@....de> -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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