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Message-Id: <20211102220203.940290-3-corbet@lwn.net>
Date: Tue, 2 Nov 2021 16:01:56 -0600
From: Jonathan Corbet <corbet@....net>
To: linux-kernel@...r.kernel.org
Cc: Jonathan Corbet <corbet@....net>, Christoph Hellwig <hch@....de>,
Trond Myklebust <trond.myklebust@...merspace.com>,
Anna Schumaker <anna.schumaker@...app.com>,
linux-nfs@...r.kernel.org
Subject: [PATCH 2/9] nfs: remove unused header <linux/pnfs_osd_xdr.h>
Commit 19fcae3d4f2dd ("scsi: remove the SCSI OSD library") deleted the last
file that included <linux/pnfs_osd_xdr.h> but left that file behind. It's
unused, get rid of it now.
Cc: Christoph Hellwig <hch@....de>
Cc: Trond Myklebust <trond.myklebust@...merspace.com>
Cc: Anna Schumaker <anna.schumaker@...app.com>
Cc: linux-nfs@...r.kernel.org
Signed-off-by: Jonathan Corbet <corbet@....net>
---
include/linux/pnfs_osd_xdr.h | 317 -----------------------------------
1 file changed, 317 deletions(-)
delete mode 100644 include/linux/pnfs_osd_xdr.h
diff --git a/include/linux/pnfs_osd_xdr.h b/include/linux/pnfs_osd_xdr.h
deleted file mode 100644
index 17d7d0d20eca..000000000000
--- a/include/linux/pnfs_osd_xdr.h
+++ /dev/null
@@ -1,317 +0,0 @@
-/*
- * pNFS-osd on-the-wire data structures
- *
- * Copyright (C) 2007 Panasas Inc. [year of first publication]
- * All rights reserved.
- *
- * Benny Halevy <bhalevy@...asas.com>
- * Boaz Harrosh <ooo@...ctrozaur.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * See the file COPYING included with this distribution for more details.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the Panasas company nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#ifndef __PNFS_OSD_XDR_H__
-#define __PNFS_OSD_XDR_H__
-
-#include <linux/nfs_fs.h>
-
-/*
- * draft-ietf-nfsv4-minorversion-22
- * draft-ietf-nfsv4-pnfs-obj-12
- */
-
-/* Layout Structure */
-
-enum pnfs_osd_raid_algorithm4 {
- PNFS_OSD_RAID_0 = 1,
- PNFS_OSD_RAID_4 = 2,
- PNFS_OSD_RAID_5 = 3,
- PNFS_OSD_RAID_PQ = 4 /* Reed-Solomon P+Q */
-};
-
-/* struct pnfs_osd_data_map4 {
- * uint32_t odm_num_comps;
- * length4 odm_stripe_unit;
- * uint32_t odm_group_width;
- * uint32_t odm_group_depth;
- * uint32_t odm_mirror_cnt;
- * pnfs_osd_raid_algorithm4 odm_raid_algorithm;
- * };
- */
-struct pnfs_osd_data_map {
- u32 odm_num_comps;
- u64 odm_stripe_unit;
- u32 odm_group_width;
- u32 odm_group_depth;
- u32 odm_mirror_cnt;
- u32 odm_raid_algorithm;
-};
-
-/* struct pnfs_osd_objid4 {
- * deviceid4 oid_device_id;
- * uint64_t oid_partition_id;
- * uint64_t oid_object_id;
- * };
- */
-struct pnfs_osd_objid {
- struct nfs4_deviceid oid_device_id;
- u64 oid_partition_id;
- u64 oid_object_id;
-};
-
-/* For printout. I use:
- * kprint("dev(%llx:%llx)", _DEVID_LO(pointer), _DEVID_HI(pointer));
- * BE style
- */
-#define _DEVID_LO(oid_device_id) \
- (unsigned long long)be64_to_cpup((__be64 *)(oid_device_id)->data)
-
-#define _DEVID_HI(oid_device_id) \
- (unsigned long long)be64_to_cpup(((__be64 *)(oid_device_id)->data) + 1)
-
-enum pnfs_osd_version {
- PNFS_OSD_MISSING = 0,
- PNFS_OSD_VERSION_1 = 1,
- PNFS_OSD_VERSION_2 = 2
-};
-
-struct pnfs_osd_opaque_cred {
- u32 cred_len;
- void *cred;
-};
-
-enum pnfs_osd_cap_key_sec {
- PNFS_OSD_CAP_KEY_SEC_NONE = 0,
- PNFS_OSD_CAP_KEY_SEC_SSV = 1,
-};
-
-/* struct pnfs_osd_object_cred4 {
- * pnfs_osd_objid4 oc_object_id;
- * pnfs_osd_version4 oc_osd_version;
- * pnfs_osd_cap_key_sec4 oc_cap_key_sec;
- * opaque oc_capability_key<>;
- * opaque oc_capability<>;
- * };
- */
-struct pnfs_osd_object_cred {
- struct pnfs_osd_objid oc_object_id;
- u32 oc_osd_version;
- u32 oc_cap_key_sec;
- struct pnfs_osd_opaque_cred oc_cap_key;
- struct pnfs_osd_opaque_cred oc_cap;
-};
-
-/* struct pnfs_osd_layout4 {
- * pnfs_osd_data_map4 olo_map;
- * uint32_t olo_comps_index;
- * pnfs_osd_object_cred4 olo_components<>;
- * };
- */
-struct pnfs_osd_layout {
- struct pnfs_osd_data_map olo_map;
- u32 olo_comps_index;
- u32 olo_num_comps;
- struct pnfs_osd_object_cred *olo_comps;
-};
-
-/* Device Address */
-enum pnfs_osd_targetid_type {
- OBJ_TARGET_ANON = 1,
- OBJ_TARGET_SCSI_NAME = 2,
- OBJ_TARGET_SCSI_DEVICE_ID = 3,
-};
-
-/* union pnfs_osd_targetid4 switch (pnfs_osd_targetid_type4 oti_type) {
- * case OBJ_TARGET_SCSI_NAME:
- * string oti_scsi_name<>;
- *
- * case OBJ_TARGET_SCSI_DEVICE_ID:
- * opaque oti_scsi_device_id<>;
- *
- * default:
- * void;
- * };
- *
- * union pnfs_osd_targetaddr4 switch (bool ota_available) {
- * case TRUE:
- * netaddr4 ota_netaddr;
- * case FALSE:
- * void;
- * };
- *
- * struct pnfs_osd_deviceaddr4 {
- * pnfs_osd_targetid4 oda_targetid;
- * pnfs_osd_targetaddr4 oda_targetaddr;
- * uint64_t oda_lun;
- * opaque oda_systemid<>;
- * pnfs_osd_object_cred4 oda_root_obj_cred;
- * opaque oda_osdname<>;
- * };
- */
-struct pnfs_osd_targetid {
- u32 oti_type;
- struct nfs4_string oti_scsi_device_id;
-};
-
-/* struct netaddr4 {
- * // see struct rpcb in RFC1833
- * string r_netid<>; // network id
- * string r_addr<>; // universal address
- * };
- */
-struct pnfs_osd_net_addr {
- struct nfs4_string r_netid;
- struct nfs4_string r_addr;
-};
-
-struct pnfs_osd_targetaddr {
- u32 ota_available;
- struct pnfs_osd_net_addr ota_netaddr;
-};
-
-struct pnfs_osd_deviceaddr {
- struct pnfs_osd_targetid oda_targetid;
- struct pnfs_osd_targetaddr oda_targetaddr;
- u8 oda_lun[8];
- struct nfs4_string oda_systemid;
- struct pnfs_osd_object_cred oda_root_obj_cred;
- struct nfs4_string oda_osdname;
-};
-
-/* LAYOUTCOMMIT: layoutupdate */
-
-/* union pnfs_osd_deltaspaceused4 switch (bool dsu_valid) {
- * case TRUE:
- * int64_t dsu_delta;
- * case FALSE:
- * void;
- * };
- *
- * struct pnfs_osd_layoutupdate4 {
- * pnfs_osd_deltaspaceused4 olu_delta_space_used;
- * bool olu_ioerr_flag;
- * };
- */
-struct pnfs_osd_layoutupdate {
- u32 dsu_valid;
- s64 dsu_delta;
- u32 olu_ioerr_flag;
-};
-
-/* LAYOUTRETURN: I/O Rrror Report */
-
-enum pnfs_osd_errno {
- PNFS_OSD_ERR_EIO = 1,
- PNFS_OSD_ERR_NOT_FOUND = 2,
- PNFS_OSD_ERR_NO_SPACE = 3,
- PNFS_OSD_ERR_BAD_CRED = 4,
- PNFS_OSD_ERR_NO_ACCESS = 5,
- PNFS_OSD_ERR_UNREACHABLE = 6,
- PNFS_OSD_ERR_RESOURCE = 7
-};
-
-/* struct pnfs_osd_ioerr4 {
- * pnfs_osd_objid4 oer_component;
- * length4 oer_comp_offset;
- * length4 oer_comp_length;
- * bool oer_iswrite;
- * pnfs_osd_errno4 oer_errno;
- * };
- */
-struct pnfs_osd_ioerr {
- struct pnfs_osd_objid oer_component;
- u64 oer_comp_offset;
- u64 oer_comp_length;
- u32 oer_iswrite;
- u32 oer_errno;
-};
-
-/* OSD XDR Client API */
-/* Layout helpers */
-/* Layout decoding is done in two parts:
- * 1. First Call pnfs_osd_xdr_decode_layout_map to read in only the header part
- * of the layout. @iter members need not be initialized.
- * Returned:
- * @layout members are set. (@layout->olo_comps set to NULL).
- *
- * Zero on success, or negative error if passed xdr is broken.
- *
- * 2. 2nd Call pnfs_osd_xdr_decode_layout_comp() in a loop until it returns
- * false, to decode the next component.
- * Returned:
- * true if there is more to decode or false if we are done or error.
- *
- * Example:
- * struct pnfs_osd_xdr_decode_layout_iter iter;
- * struct pnfs_osd_layout layout;
- * struct pnfs_osd_object_cred comp;
- * int status;
- *
- * status = pnfs_osd_xdr_decode_layout_map(&layout, &iter, xdr);
- * if (unlikely(status))
- * goto err;
- * while(pnfs_osd_xdr_decode_layout_comp(&comp, &iter, xdr, &status)) {
- * // All of @comp strings point to inside the xdr_buffer
- * // or scrach buffer. Copy them out to user memory eg.
- * copy_single_comp(dest_comp++, &comp);
- * }
- * if (unlikely(status))
- * goto err;
- */
-
-struct pnfs_osd_xdr_decode_layout_iter {
- unsigned total_comps;
- unsigned decoded_comps;
-};
-
-extern int pnfs_osd_xdr_decode_layout_map(struct pnfs_osd_layout *layout,
- struct pnfs_osd_xdr_decode_layout_iter *iter, struct xdr_stream *xdr);
-
-extern bool pnfs_osd_xdr_decode_layout_comp(struct pnfs_osd_object_cred *comp,
- struct pnfs_osd_xdr_decode_layout_iter *iter, struct xdr_stream *xdr,
- int *err);
-
-/* Device Info helpers */
-
-/* Note: All strings inside @deviceaddr point to space inside @p.
- * @p should stay valid while @deviceaddr is in use.
- */
-extern void pnfs_osd_xdr_decode_deviceaddr(
- struct pnfs_osd_deviceaddr *deviceaddr, __be32 *p);
-
-/* layoutupdate (layout_commit) xdr helpers */
-extern int
-pnfs_osd_xdr_encode_layoutupdate(struct xdr_stream *xdr,
- struct pnfs_osd_layoutupdate *lou);
-
-/* osd_ioerror encoding (layout_return) */
-extern __be32 *pnfs_osd_xdr_ioerr_reserve_space(struct xdr_stream *xdr);
-extern void pnfs_osd_xdr_encode_ioerr(__be32 *p, struct pnfs_osd_ioerr *ioerr);
-
-#endif /* __PNFS_OSD_XDR_H__ */
--
2.31.1
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