On Fri, Nov 14, 2014 at 11:08:15AM +0800, Chao Yu wrote: > Hi Changman, > > > -----Original Message----- > > From: Changman Lee [mailto:cm224.lee@xxxxxxxxxxx] > > Sent: Thursday, November 13, 2014 1:35 PM > > To: linux-fsdevel@xxxxxxxxxxxxxxx; linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx > > Subject: [f2fs-dev] [PATCH] f2fs: add cleancache support > > > > To use cleancache, fs must explicitly enable cleancache by calling > > cleancache_init_fs. > > Good catch! > > AFAIK, cleancache will work only if we init its backend and register related ops, > but since we merged the commit 962564604873 "staging: zcache: delete it", we > have lost the zcache one. Is there other backends? > > Regards, > Yu > Hi Yu, AFAIK, Hypervisor like xen uses cleancache and frontswap positively. And GCMA (Guaranteed CMA) is newly submitting, which has plan to be used by cleancache. I think it's not bad we prepare to accept them. Thansk, > > > > Signed-off-by: Changman Lee <cm224.lee@xxxxxxxxxxx> > > --- > > fs/f2fs/super.c | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c > > index 512ffd8..2ebb960 100644 > > --- a/fs/f2fs/super.c > > +++ b/fs/f2fs/super.c > > @@ -24,6 +24,7 @@ > > #include <linux/blkdev.h> > > #include <linux/f2fs_fs.h> > > #include <linux/sysfs.h> > > +#include <linux/cleancache.h> > > > > #include "f2fs.h" > > #include "node.h" > > @@ -1144,6 +1145,8 @@ try_onemore: > > if (err) > > goto free_kobj; > > } > > + > > + cleancache_init_fs(sb); > > return 0; > > > > free_kobj: > > -- > > 1.9.1 > > > > > > ------------------------------------------------------------------------------ > > Comprehensive Server Monitoring with Site24x7. > > Monitor 10 servers for $9/Month. > > Get alerted through email, SMS, voice calls or mobile push notifications. > > Take corrective actions from your mobile device. > > http://pubads.g.doubleclick.net/gampad/clk?id=154624111&iu=/4140/ostg.clktrk > > _______________________________________________ > > Linux-f2fs-devel mailing list > > Linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx > > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel -- 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