osd: reenable fadvise; use it more often

thanks, fixed!

On Thu, 4 Dec 2014, Haomai Wang wrote:

> 
> In src/common/config_opts.h:
> 
> > @@ -726,6 +726,7 @@ OPTION(filestore_btrfs_clone_range, OPT_BOOL, true)
> >  OPTION(filestore_zfs_snap, OPT_BOOL, false) // zfsonlinux is still unstable
> >  OPTION(filestore_fsync_flushes_journal_data, OPT_BOOL, false)
> >  OPTION(filestore_fiemap, OPT_BOOL, false)     // (try to) use fiemap
> > +OPTION(filestore_fadvise, OPT_BOOL, true)
> 
> delete original "filestore_replica_fadvise" config line(757)?
> 
> ?
> Reply to this email directly or view it on GitHub.[AAabhyq9EaaxTHYWP4dYNPgX1FKDrnP5ks5nUQrAgaJpZM4DEStF.gif]
> 
> 
>