Hi Milosz, I've pulled this into the ceph testing branch to make sure it holds up in qa.
David, are the fscache patches here ready for the next merge window? Do you have a preference for whose tree they go through? Thanks! sage On Wed, 21 Aug 2013, Milosz Tanski wrote: > This an updated version of the fscache support for the Ceph filesystem. What's > changed since the last patchset: > > 1. Sparater the readpages refactor into it's own patches. These were already > accepted into the testing branch. > > 2. Tracked down the BUG in readahead cleanup code. We were returning with > pages > marked as private_2 from readpages(). I added a simple convenience function > to the fscache netfs interface for cleaning up the page list at the end of > asop readpages(). I know other filesystems (NFS) have ran into that since > I've seen a few similar traces in Google search and the cachefs mailig > list. > The second patch new make Ceph use this interface. > > I've been running this code (minus the BUG fix) on clients for a couple weeks > with moderate 24/7 use without issues. At this point in time I feel like it's > solid enough to go into the ceph kclient. > > Please pull the code from my repository: > https://bitbucket.org/adfin/linux-fs.git branch: wip-ceph-fscache > > The first two patches I included were not written by me but were written by > Hongyi Jia. He implemented the cookie re-validation scheme into fscache core. > > Finally, I CCed a couple other mailing lists (fsdevel, nfs) because the new > fscache_readpages_cancel() should be used by other filesystems to avoid the > same problem. > > > Hongyi Jia (2): > new cachefiles interface to check cache consistency > new fscache interface to check cache consistency > > Milosz Tanski (3): > ceph: use fscache as a local presisent cache > fscache: netfs function for cleanup post readpages > ceph: clean PgPrivate2 on returning from readpages > > fs/cachefiles/interface.c | 19 +++ > fs/cachefiles/internal.h | 1 + > fs/cachefiles/xattr.c | 39 ++++++ > fs/ceph/Kconfig | 9 ++ > fs/ceph/Makefile | 2 + > fs/ceph/addr.c | 39 +++++- > fs/ceph/cache.c | 311 > ++++++++++++++++++++++++++++++++++++++++++ > fs/ceph/cache.h | 130 ++++++++++++++++++ > fs/ceph/caps.c | 19 ++- > fs/ceph/file.c | 17 +++ > fs/ceph/inode.c | 66 ++++++++- > fs/ceph/super.c | 47 ++++++- > fs/ceph/super.h | 17 +++ > fs/fscache/cookie.c | 22 +++ > fs/fscache/page.c | 16 +++ > include/linux/fscache-cache.h | 4 + > include/linux/fscache.h | 39 ++++++ > 17 files changed, 785 insertions(+), 12 deletions(-) > create mode 100644 fs/ceph/cache.c > create mode 100644 fs/ceph/cache.h > > -- > 1.8.1.2 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
