On Tue, Jun 30, 2015 at 11:43:29AM +0800, Chao Yu wrote: > > -----Original Message----- > > From: Jaegeuk Kim [mailto:jaegeuk@xxxxxxxxxx] > > Sent: Tuesday, June 30, 2015 2:40 AM > > To: linux-kernel@xxxxxxxxxxxxxxx; linux-fsdevel@xxxxxxxxxxxxxxx; > > linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx > > Cc: Jaegeuk Kim > > Subject: [f2fs-dev] [PATCH 08/12] f2fs: introduce a shrinker for mounted fs > > > > This patch introduces a shrinker targeting to reduce memory footprint consumed > > by a number of in-memory f2fs data structures. > > > > In addition, it newly adds: > > - sbi->umount_mutex to avoid data races on shrinker and put_super > > - sbi->shruinker_run_no to not revisit objects > > > > Noteh that the basic implementation was copied from fs/btrfs/shrinker.c > > Great! Good to see it's being implemented in f2fs. > > > > > Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> > > Reviewed-by: Chao Yu <chao2.yu@xxxxxxxxxxx> > > [snip] > > > @@ -1406,6 +1425,9 @@ static int __init init_f2fs_fs(void) > > err = f2fs_init_crypto(); > > if (err) > > goto free_kset; > > + > > + register_shrinker(&f2fs_shrinker_info); > > This function can fail due to no memory, please check the return value here. Agreed, done. Thanks, > > Thanks, -- 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