On Sat, 15 Mar 2014 00:34:28 +0900 Roman Pen <r.peniaev@xxxxxxxxx> wrote: > When data integrity operation happens (sync, fsync, fdatasync calls) > writeback control is set to WB_SYNC_ALL. In that case all write > requests are marked with WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE) > indicating that caller is waiting for completion and block layer or > block device should prioritize the IO avoiding any possible delays. > > But mpage writeback path ignores marking requests as WRITE_SYNC. > > This patch fixes this. Sorry, but it would be unwise to merge this without a good understanding of its runtime effects. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
