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Diffstat (limited to 'fs/nfs/nfs4filelayout.h')
| -rw-r--r-- | fs/nfs/nfs4filelayout.h | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/fs/nfs/nfs4filelayout.h b/fs/nfs/nfs4filelayout.h deleted file mode 100644 index bbf60dd2ab9..00000000000 --- a/fs/nfs/nfs4filelayout.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - * NFSv4 file layout driver data structures. - * - * Copyright (c) 2002 - * The Regents of the University of Michigan - * All Rights Reserved - * - * Dean Hildebrand <dhildebz@umich.edu> - * - * Permission is granted to use, copy, create derivative works, and - * redistribute this software and such derivative works for any purpose, - * so long as the name of the University of Michigan is not used in - * any advertising or publicity pertaining to the use or distribution - * of this software without specific, written prior authorization. If - * the above copyright notice or any other identification of the - * University of Michigan is included in any copy of any portion of - * this software, then the disclaimer below must also be included. - * - * This software is provided as is, without representation or warranty - * of any kind either express or implied, including without limitation - * the implied warranties of merchantability, fitness for a particular - * purpose, or noninfringement. The Regents of the University of - * Michigan shall not be liable for any damages, including special, - * indirect, incidental, or consequential damages, with respect to any - * claim arising out of or in connection with the use of the software, - * even if it has been or is hereafter advised of the possibility of - * such damages. - */ - -#ifndef FS_NFS_NFS4FILELAYOUT_H -#define FS_NFS_NFS4FILELAYOUT_H - -#include "pnfs.h" - -/* - * Field testing shows we need to support upto 4096 stripe indices. - * We store each index as a u8 (u32 on the wire) to keep the memory footprint - * reasonable. This in turn means we support a maximum of 256 - * RFC 5661 multipath_list4 structures. - */ -#define NFS4_PNFS_MAX_STRIPE_CNT 4096 -#define NFS4_PNFS_MAX_MULTI_CNT 256 /* 256 fit into a u8 stripe_index */ - -enum stripetype4 { - STRIPE_SPARSE = 1, - STRIPE_DENSE = 2 -}; - -/* Individual ip address */ -struct nfs4_pnfs_ds { - struct list_head ds_node; /* nfs4_pnfs_dev_hlist dev_dslist */ - u32 ds_ip_addr; - u32 ds_port; - struct nfs_client *ds_clp; - atomic_t ds_count; -}; - -struct nfs4_file_layout_dsaddr { - struct pnfs_deviceid_node deviceid; - u32 stripe_count; - u8 *stripe_indices; - u32 ds_num; - struct nfs4_pnfs_ds *ds_list[1]; -}; - -struct nfs4_filelayout_segment { - struct pnfs_layout_segment generic_hdr; - u32 stripe_type; - u32 commit_through_mds; - u32 stripe_unit; - u32 first_stripe_index; - u64 pattern_offset; - struct nfs4_file_layout_dsaddr *dsaddr; /* Point to GETDEVINFO data */ - unsigned int num_fh; - struct nfs_fh **fh_array; -}; - -static inline struct nfs4_filelayout_segment * -FILELAYOUT_LSEG(struct pnfs_layout_segment *lseg) -{ - return container_of(lseg, - struct nfs4_filelayout_segment, - generic_hdr); -} - -extern void nfs4_fl_free_deviceid_callback(struct pnfs_deviceid_node *); -extern void print_ds(struct nfs4_pnfs_ds *ds); -extern void print_deviceid(struct nfs4_deviceid *dev_id); -extern struct nfs4_file_layout_dsaddr * -nfs4_fl_find_get_deviceid(struct nfs_client *, struct nfs4_deviceid *dev_id); -struct nfs4_file_layout_dsaddr * -get_device_info(struct inode *inode, struct nfs4_deviceid *dev_id); - -#endif /* FS_NFS_NFS4FILELAYOUT_H */ |
