On 07/19/2010 07:16 PM, Eric Blake wrote:
On 07/19/2010 05:08 PM, Laine Stump wrote:
Originally the storage volume files were opened with O_DSYNC to make
sure they were flushed to disk immediately. It turned out that this
was extremely slow in some cases, so the O_DSYNC was removed in favor
of
On 07/19/2010 05:08 PM, Laine Stump wrote:
> Originally the storage volume files were opened with O_DSYNC to make
> sure they were flushed to disk immediately. It turned out that this
> was extremely slow in some cases, so the O_DSYNC was removed in favor
> of just calling fsync() after all the dat
Originally the storage volume files were opened with O_DSYNC to make
sure they were flushed to disk immediately. It turned out that this
was extremely slow in some cases, so the O_DSYNC was removed in favor
of just calling fsync() after all the data had been written. However,
this call to fsync was