On Mon, Jun 08, 2009 at 04:50:47PM +0900, Hisashi Hifumi wrote: > Hi. > > In btrfs, fdatasync and fsync are identical. > I think fdatasync should skip committing transaction when > inode->i_state is set just I_DIRTY_SYNC and this indicates > only atime or/and mtime updates. > Following patch improves fdatasync throughput. > > #sysbench --num-threads=16 --max-requests=10000 --test=fileio > --file-block-size=4K --file-total-size=16G --file-test-mode=rndwr > --file-fsync-mode=fdatasync run
Very nice, thank you for the patch. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
