search for: syncdelay

...amount of battery power. The patch introduces a new sysctl tunable vfs.sync_extdelay which controls the delay duration in seconds. If the variable is set to 0, the standard UFS synching policy is restored. The tunable can be either modified by hand or controlled by APM daemon using the attached rc.syncdelay script. When enabled, the extended delaying policy introduces some additional changes: - fsync() no longer flushes the buffers to disk, but returns immediately instead; - invoking sync() causes flushing of softupdates buffers to follow immediately, which was not the case before; - if one of the m...