diff options
| -rw-r--r-- | fs/nfsd/Kconfig | 13 | ||||
| -rw-r--r-- | fs/nfsd/Makefile | 3 | ||||
| -rw-r--r-- | fs/nfsd/nfs4layouts.c | 4 | ||||
| -rw-r--r-- | fs/nfsd/pnfs.h | 2 | ||||
| -rw-r--r-- | fs/xfs/Makefile | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_export.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_pnfs.h | 2 |
7 files changed, 20 insertions, 8 deletions
diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig index a0b77fc1bd39..eb70d91b255b 100644 --- a/fs/nfsd/Kconfig +++ b/fs/nfsd/Kconfig @@ -84,12 +84,17 @@ config NFSD_V4 If unsure, say N. config NFSD_PNFS - bool "NFSv4.1 server support for Parallel NFS (pNFS)" + bool + +config NFSD_BLOCKLAYOUT + bool "NFSv4.1 server support for pNFS block layouts" depends on NFSD_V4 + select NFSD_PNFS help - This option enables support for the parallel NFS features of the - minor version 1 of the NFSv4 protocol (RFC5661) in the kernel's NFS - server. + This option enables support for the exporting pNFS block layouts + in the kernel's NFS server. The pNFS block layout enables NFS + clients to directly perform I/O to block devices accesible to both + the server and the clients. See RFC 5663 for more details. If unsure, say N. diff --git a/fs/nfsd/Makefile b/fs/nfsd/Makefile index 9a6028e120c6..679cdc6efee8 100644 --- a/fs/nfsd/Makefile +++ b/fs/nfsd/Makefile @@ -17,4 +17,5 @@ nfsd-$(CONFIG_NFSD_V3) += nfs3proc.o nfs3xdr.o nfsd-$(CONFIG_NFSD_V3_ACL) += nfs3acl.o nfsd-$(CONFIG_NFSD_V4) += nfs4proc.o nfs4xdr.o nfs4state.o nfs4idmap.o \ nfs4acl.o nfs4callback.o nfs4recover.o -nfsd-$(CONFIG_NFSD_PNFS) += nfs4layouts.o blocklayout.o blocklayoutxdr.o +nfsd-$(CONFIG_NFSD_PNFS) += nfs4layouts.o +nfsd-$(CONFIG_NFSD_BLOCKLAYOUT) += blocklayout.o blocklayoutxdr.o diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c index ce2d010d3b17..4e4def77ebc7 100644 --- a/fs/nfsd/nfs4layouts.c +++ b/fs/nfsd/nfs4layouts.c @@ -26,7 +26,9 @@ static const struct nfsd4_callback_ops nfsd4_cb_layout_ops; static const struct lock_manager_operations nfsd4_layouts_lm_ops; const struct nfsd4_layout_ops *nfsd4_layout_ops[LAYOUT_TYPE_MAX] = { +#ifdef CONFIG_NFSD_BLOCKLAYOUT [LAYOUT_BLOCK_VOLUME] = &bl_layout_ops, +#endif }; /* pNFS device ID to export fsid mapping */ @@ -121,10 +123,12 @@ void nfsd4_setup_layout_type(struct svc_export *exp) if (!(exp->ex_flags & NFSEXP_PNFS)) return; +#ifdef CONFIG_NFSD_BLOCKLAYOUT if (sb->s_export_op->get_uuid && sb->s_export_op->map_blocks && sb->s_export_op->commit_blocks) exp->ex_layout_type = LAYOUT_BLOCK_VOLUME; +#endif } static void diff --git a/fs/nfsd/pnfs.h b/fs/nfsd/pnfs.h index d4c4453674c6..ff50bfa1f76f 100644 --- a/fs/nfsd/pnfs.h +++ b/fs/nfsd/pnfs.h @@ -35,7 +35,9 @@ struct nfsd4_layout_ops { }; extern const struct nfsd4_layout_ops *nfsd4_layout_ops[]; +#ifdef CONFIG_NFSD_BLOCKLAYOUT extern const struct nfsd4_layout_ops bl_layout_ops; +#endif __be32 nfsd4_preprocess_layout_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, stateid_t *stateid, diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index f64639176670..d68b62a76592 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -121,4 +121,4 @@ xfs-$(CONFIG_XFS_RT) += xfs_rtalloc.o xfs-$(CONFIG_XFS_POSIX_ACL) += xfs_acl.o xfs-$(CONFIG_SYSCTL) += xfs_sysctl.o xfs-$(CONFIG_COMPAT) += xfs_ioctl32.o -xfs-$(CONFIG_NFSD_PNFS) += xfs_pnfs.o +xfs-$(CONFIG_NFSD_BLOCKLAYOUT) += xfs_pnfs.o diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c index 652cd3c5b58c..0492b82281f3 100644 --- a/fs/xfs/xfs_export.c +++ b/fs/xfs/xfs_export.c @@ -246,7 +246,7 @@ const struct export_operations xfs_export_operations = { .fh_to_parent = xfs_fs_fh_to_parent, .get_parent = xfs_fs_get_parent, .commit_metadata = xfs_fs_nfs_commit_metadata, -#ifdef CONFIG_NFSD_PNFS +#ifdef CONFIG_NFSD_BLOCKLAYOUT .get_uuid = xfs_fs_get_uuid, .map_blocks = xfs_fs_map_blocks, .commit_blocks = xfs_fs_commit_blocks, diff --git a/fs/xfs/xfs_pnfs.h b/fs/xfs/xfs_pnfs.h index 8147ac108820..d85529ca299e 100644 --- a/fs/xfs/xfs_pnfs.h +++ b/fs/xfs/xfs_pnfs.h @@ -1,7 +1,7 @@ #ifndef _XFS_PNFS_H #define _XFS_PNFS_H 1 -#ifdef CONFIG_NFSD_PNFS +#ifdef CONFIG_NFSD_BLOCKLAYOUT int xfs_fs_get_uuid(struct super_block *sb, u8 *buf, u32 *len, u64 *offset); int xfs_fs_map_blocks(struct inode *inode, loff_t offset, u64 length, struct iomap *iomap, bool write, u32 *device_generation); |