On 2013-09-26 15:44, J. Bruce Fields wrote: > 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? There is a small change to exportfs and mountd to provide for the pnfs export option: http://git.linux-nfs.org/?p=bhalevy/pnfs-nfs-utils.git;a=commitdiff;h=b3632132ed8f3682ee5e8cc979cd7129b8ab4d4a > > What's the quickest way to get a test setup--is > > http://wiki.linux-nfs.org/wiki/index.php/PNFS_Setup_Instructions > > accurate? It should be, though I admit I haven't tested these instructions in a long while. Benny > > --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
