On Thu, Sep 26, 2013 at 02:36:16PM -0400, Benny Halevy wrote: > The following patchset implements an extension to nfsd > providing a complete minimal pnfs server exporting > DLM-based clustered file systems such as GFS2 or OCFS2. > > The pNFS operations that are implemented are > GETDEVICELIST and GETDEVICEINFO, > LAYOUTGET and LAYOUTRETURN. > > The server does the bookkeeping of the outstanding layout > state in response to layout get and return. > > Also, the implementation cleans up the client layout state > opon client expiry and on CLOSE when the return_on_close > flag is set on the LAYOUTGET response. The latter is the > default behavior until layout recalls are implemented > with which the server can reclaim its resources in case > the client holds layout state post closing files. > > The patchset is based on v3.12-rc2 and it's available also online here: > git://linux-nfs.org/~bhalevy/linux-pnfs.git pnfsd-dlm-3.12-rc2-2013-09-26 Is there any userland support code required? What's the quickest way to get a test setup--is http://wiki.linux-nfs.org/wiki/index.php/PNFS_Setup_Instructions accurate? --b. > > Benny > > General infrastructure: > [PATCH RFC v0 01/49] pnfsd: Define CONFIG_PNFSD > [PATCH RFC v0 02/49] pnfsd: define NFSDDBG_PNFS > [PATCH RFC v0 03/49] pnfsd: return pnfs flags on exchange_id > [PATCH RFC v0 04/49] pnfsd: don't set up back channel on create_session for ds > [PATCH RFC v0 05/49] pnfsd: introduce pnfsd header files > [PATCH RFC v0 06/49] pnfsd: define pnfs_export_operations > [PATCH RFC v0 07/49] pnfsd: add pnfs export option > [PATCH RFC v0 08/49] pnfsd: layout verify > [PATCH RFC v0 09/49] pnfsd: initial stub > > Device ops: > [PATCH RFC v0 10/49] pnfsd: use sbid hash table to map super_blocks to devid major identifiers > [PATCH RFC v0 11/49] NFSD: introduce exp_xdr.h > [PATCH RFC v0 12/49] pnfsd: get device list/info > [PATCH RFC v0 13/49] pnfsd: filelayout: get device list/info > [PATCH RFC v0 14/49] pnfsd: provide helper for xdr encoding of deviceid > [PATCH RFC v0 15/49] pnfsd: add helper functions for identifying DS filehandles > [PATCH RFC v0 16/49] pnfsd: accept all ds stateids > > layout get: > [PATCH RFC v0 17/49] DEBUG: nfsd: more client_lock asserts > [PATCH RFC v0 18/49] pnfsd: nfs4_assert_state_locked > [PATCH RFC v0 19/49] pnfsd: layout get > [PATCH RFC v0 20/49] pnfsd: filelayout: layout encoding > > layout state handling for layout get: > [PATCH RFC v0 21/49] nfsd: no need to unhash_stid before free > [PATCH RFC v0 22/49] nfsd: cleanup free_stid > [PATCH RFC v0 23/49] pnfsd: layout state allocation > [PATCH RFC v0 24/49] pnfsd: process the layout stateid > [PATCH RFC v0 25/49] pnfsd: layout state per client tracking > [PATCH RFC v0 26/49] pnfsd: layout state per file tracking > [PATCH RFC v0 27/49] pnfsd: hash layouts on layout state > [PATCH RFC v0 28/49] pnfsd: support layout segment merging > > pnfs attributes: > [PATCH RFC v0 29/49] pnfsd: support layout_type attribute > [PATCH RFC v0 30/49] pnfsd: make pnfs server return layout_blksize when the client asks for it > [PATCH RFC v0 31/49] pnfsd: add support for per-file layout_types attribute > > pnfsd over dlm: > [PATCH RFC v0 32/49] pnfsd: per block device dlm data server list cache > [PATCH RFC v0 33/49] pnfsd: Add IP address validation to nfsd4_set_pnfs_dlm_device() > [PATCH RFC v0 34/49] pnfsd: new nfsd filesystem file: pnfs_dlm_device > [PATCH RFC v0 35/49] pnfsd: nfsd4_pnfs_dlm_getdeviter > [PATCH RFC v0 36/49] pnfsd: nfsd4_pnfs_dlm_getdevinfo > [PATCH RFC v0 37/49] pnfsd: make /proc/fs/nfsd/pnfs_dlm_device report dlm device list. > [PATCH RFC v0 38/49] pnfsd: nfsd4_pnfs_dlm_layoutget > [PATCH RFC v0 39/49] pnfsd: DLM file layout only support read iomode layouts > [PATCH RFC v0 40/49] pnfsd: add dlm file layout layout-type > [PATCH RFC v0 41/49] pnfsd: dlm pnfs_export_operations > [PATCH RFC v0 42/49] pnfsd: gfs2: use generic file layout pnfs operations vector > > layout return / expire / return_on_close: > [PATCH RFC v0 43/49] pnfsd: release state lock around iput in put_nfs4_file > [PATCH RFC v0 44/49] posix_acl: resolve compile dependency in posix_acl.h > [PATCH RFC v0 45/49] nfs: resolve compile dependency in nfs_xdr.h > [PATCH RFC v0 46/49] pnfsd: layout return generic implementation > [PATCH RFC v0 47/49] pnfsd: pnfs_expire_client > [PATCH RFC v0 48/49] pnfsd: return on close > [PATCH RFC v0 49/49] pnfsd: dlm set return_on_close to true -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
