| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1459381747-2886687-25-git-send-email-green@linuxhacker.ru>
Date: Wed, 30 Mar 2016 19:48:45 -0400
From: green@...uxhacker.ru
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org,
Andreas Dilger <andreas.dilger@...el.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Lustre Development List <lustre-devel@...ts.lustre.org>,
"John L. Hammond" <john.hammond@...el.com>,
Oleg Drokin <green@...uxhacker.ru>
Subject: [PATCH v2 24/46] staging/lustre/llite: merge lclient.h into llite/vvp_internal.h
From: "John L. Hammond" <john.hammond@...el.com>
Move the definition of struct cl_client_cache to
lustre/include/cl_object.h and move the rest of
lustre/include/lclient.h in to lustre/llite/vvp_internal.h.
Signed-off-by: John L. Hammond <john.hammond@...el.com>
Reviewed-on: http://review.whamcloud.com/12592
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5971
Reviewed-by: Jinshan Xiong <jinshan.xiong@...el.com>
Reviewed-by: James Simmons <uja.ornl@...il.com>
Signed-off-by: Oleg Drokin <green@...uxhacker.ru>
---
drivers/staging/lustre/lustre/include/cl_object.h | 36 ++
drivers/staging/lustre/lustre/include/lclient.h | 409 ---------------------
drivers/staging/lustre/lustre/llite/glimpse.c | 1 -
drivers/staging/lustre/lustre/llite/lcommon_cl.c | 2 -
drivers/staging/lustre/lustre/llite/lcommon_misc.c | 2 +-
.../staging/lustre/lustre/llite/llite_internal.h | 2 +-
drivers/staging/lustre/lustre/llite/vvp_internal.h | 368 +++++++++++++++++-
drivers/staging/lustre/lustre/llite/vvp_io.c | 1 +
drivers/staging/lustre/lustre/llite/vvp_object.c | 1 +
drivers/staging/lustre/lustre/llite/vvp_page.c | 1 +
drivers/staging/lustre/lustre/lov/lov_obd.c | 1 -
.../staging/lustre/lustre/osc/osc_cl_internal.h | 1 -
12 files changed, 408 insertions(+), 417 deletions(-)
delete mode 100644 drivers/staging/lustre/lustre/include/lclient.h
diff --git a/drivers/staging/lustre/lustre/include/cl_object.h b/drivers/staging/lustre/lustre/include/cl_object.h
index e613007..f2bb8f8 100644
--- a/drivers/staging/lustre/lustre/include/cl_object.h
+++ b/drivers/staging/lustre/lustre/include/cl_object.h
@@ -97,9 +97,12 @@
* super-class definitions.
*/
#include "lu_object.h"
+#include <linux/atomic.h>
#include "linux/lustre_compat25.h"
#include <linux/mutex.h>
#include <linux/radix-tree.h>
+#include <linux/spinlock.h>
+#include <linux/wait.h>
struct inode;
@@ -2317,6 +2320,39 @@ void cl_lock_descr_print(const struct lu_env *env, void *cookie,
const struct cl_lock_descr *descr);
/* @} helper */
+/**
+ * Data structure managing a client's cached pages. A count of
+ * "unstable" pages is maintained, and an LRU of clean pages is
+ * maintained. "unstable" pages are pages pinned by the ptlrpc
+ * layer for recovery purposes.
+ */
+struct cl_client_cache {
+ /**
+ * # of users (OSCs)
+ */
+ atomic_t ccc_users;
+ /**
+ * # of threads are doing shrinking
+ */
+ unsigned int ccc_lru_shrinkers;
+ /**
+ * # of LRU entries available
+ */
+ atomic_t ccc_lru_left;
+ /**
+ * List of entities(OSCs) for this LRU cache
+ */
+ struct list_head ccc_lru;
+ /**
+ * Max # of LRU entries
+ */
+ unsigned long ccc_lru_max;
+ /**
+ * Lock to protect ccc_lru list
+ */
+ spinlock_t ccc_lru_lock;
+};
+
/** @} cl_page */
/** \defgroup cl_lock cl_lock
diff --git a/drivers/staging/lustre/lustre/include/lclient.h b/drivers/staging/lustre/lustre/include/lclient.h
deleted file mode 100644
index 82af8ae..0000000
--- a/drivers/staging/lustre/lustre/include/lclient.h
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, 2012, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * Definitions shared between vvp and liblustre, and other clients in the
- * future.
- *
- * Author: Oleg Drokin <oleg.drokin@....com>
- * Author: Nikita Danilov <nikita.danilov@....com>
- */
-
-#ifndef LCLIENT_H
-#define LCLIENT_H
-
-blkcnt_t dirty_cnt(struct inode *inode);
-
-int cl_glimpse_size0(struct inode *inode, int agl);
-int cl_glimpse_lock(const struct lu_env *env, struct cl_io *io,
- struct inode *inode, struct cl_object *clob, int agl);
-
-static inline int cl_glimpse_size(struct inode *inode)
-{
- return cl_glimpse_size0(inode, 0);
-}
-
-static inline int cl_agl(struct inode *inode)
-{
- return cl_glimpse_size0(inode, 1);
-}
-
-/**
- * Locking policy for setattr.
- */
-enum ccc_setattr_lock_type {
- /** Locking is done by server */
- SETATTR_NOLOCK,
- /** Extent lock is enqueued */
- SETATTR_EXTENT_LOCK,
- /** Existing local extent lock is used */
- SETATTR_MATCH_LOCK
-};
-
-/**
- * IO state private to vvp or slp layers.
- */
-struct ccc_io {
- /** super class */
- struct cl_io_slice cui_cl;
- struct cl_io_lock_link cui_link;
- /**
- * I/O vector information to or from which read/write is going.
- */
- struct iov_iter *cui_iter;
- /**
- * Total size for the left IO.
- */
- size_t cui_tot_count;
-
- union {
- struct {
- enum ccc_setattr_lock_type cui_local_lock;
- } setattr;
- struct {
- struct cl_page_list cui_queue;
- unsigned long cui_written;
- int cui_from;
- int cui_to;
- } write;
- } u;
- /**
- * Layout version when this IO is initialized
- */
- __u32 cui_layout_gen;
- /**
- * File descriptor against which IO is done.
- */
- struct ll_file_data *cui_fd;
- struct kiocb *cui_iocb;
-};
-
-/**
- * True, if \a io is a normal io, False for splice_{read,write}.
- * must be implemented in arch specific code.
- */
-int cl_is_normalio(const struct lu_env *env, const struct cl_io *io);
-
-extern struct lu_context_key ccc_key;
-extern struct lu_context_key ccc_session_key;
-
-struct ccc_thread_info {
- struct cl_lock cti_lock;
- struct cl_lock_descr cti_descr;
- struct cl_io cti_io;
- struct cl_attr cti_attr;
-};
-
-static inline struct ccc_thread_info *ccc_env_info(const struct lu_env *env)
-{
- struct ccc_thread_info *info;
-
- info = lu_context_key_get(&env->le_ctx, &ccc_key);
- LASSERT(info);
- return info;
-}
-
-static inline struct cl_lock *ccc_env_lock(const struct lu_env *env)
-{
- struct cl_lock *lock = &ccc_env_info(env)->cti_lock;
-
- memset(lock, 0, sizeof(*lock));
- return lock;
-}
-
-static inline struct cl_attr *ccc_env_thread_attr(const struct lu_env *env)
-{
- struct cl_attr *attr = &ccc_env_info(env)->cti_attr;
-
- memset(attr, 0, sizeof(*attr));
- return attr;
-}
-
-static inline struct cl_io *ccc_env_thread_io(const struct lu_env *env)
-{
- struct cl_io *io = &ccc_env_info(env)->cti_io;
-
- memset(io, 0, sizeof(*io));
- return io;
-}
-
-struct ccc_session {
- struct ccc_io cs_ios;
-};
-
-static inline struct ccc_session *ccc_env_session(const struct lu_env *env)
-{
- struct ccc_session *ses;
-
- ses = lu_context_key_get(env->le_ses, &ccc_session_key);
- LASSERT(ses);
- return ses;
-}
-
-static inline struct ccc_io *ccc_env_io(const struct lu_env *env)
-{
- return &ccc_env_session(env)->cs_ios;
-}
-
-/**
- * ccc-private object state.
- */
-struct ccc_object {
- struct cl_object_header cob_header;
- struct cl_object cob_cl;
- struct inode *cob_inode;
-
- /**
- * A list of dirty pages pending IO in the cache. Used by
- * SOM. Protected by ll_inode_info::lli_lock.
- *
- * \see ccc_page::cpg_pending_linkage
- */
- struct list_head cob_pending_list;
-
- /**
- * Access this counter is protected by inode->i_sem. Now that
- * the lifetime of transient pages must be covered by inode sem,
- * we don't need to hold any lock..
- */
- int cob_transient_pages;
- /**
- * Number of outstanding mmaps on this file.
- *
- * \see ll_vm_open(), ll_vm_close().
- */
- atomic_t cob_mmap_cnt;
-
- /**
- * various flags
- * cob_discard_page_warned
- * if pages belonging to this object are discarded when a client
- * is evicted, some debug info will be printed, this flag will be set
- * during processing the first discarded page, then avoid flooding
- * debug message for lots of discarded pages.
- *
- * \see ll_dirty_page_discard_warn.
- */
- unsigned int cob_discard_page_warned:1;
-};
-
-/**
- * ccc-private page state.
- */
-struct ccc_page {
- struct cl_page_slice cpg_cl;
- int cpg_defer_uptodate;
- int cpg_ra_used;
- int cpg_write_queued;
- /**
- * Non-empty iff this page is already counted in
- * ccc_object::cob_pending_list. Protected by
- * ccc_object::cob_pending_guard. This list is only used as a flag,
- * that is, never iterated through, only checked for list_empty(), but
- * having a list is useful for debugging.
- */
- struct list_head cpg_pending_linkage;
- /** VM page */
- struct page *cpg_page;
-};
-
-static inline struct ccc_page *cl2ccc_page(const struct cl_page_slice *slice)
-{
- return container_of(slice, struct ccc_page, cpg_cl);
-}
-
-static inline pgoff_t ccc_index(struct ccc_page *ccc)
-{
- return ccc->cpg_cl.cpl_index;
-}
-
-struct ccc_device {
- struct cl_device cdv_cl;
- struct super_block *cdv_sb;
- struct cl_device *cdv_next;
-};
-
-struct ccc_lock {
- struct cl_lock_slice clk_cl;
-};
-
-struct ccc_req {
- struct cl_req_slice crq_cl;
-};
-
-void *ccc_key_init (const struct lu_context *ctx,
- struct lu_context_key *key);
-void ccc_key_fini (const struct lu_context *ctx,
- struct lu_context_key *key, void *data);
-void *ccc_session_key_init(const struct lu_context *ctx,
- struct lu_context_key *key);
-void ccc_session_key_fini(const struct lu_context *ctx,
- struct lu_context_key *key, void *data);
-
-int ccc_device_init (const struct lu_env *env,
- struct lu_device *d,
- const char *name, struct lu_device *next);
-struct lu_device *ccc_device_fini (const struct lu_env *env,
- struct lu_device *d);
-struct lu_device *ccc_device_alloc(const struct lu_env *env,
- struct lu_device_type *t,
- struct lustre_cfg *cfg,
- const struct lu_device_operations *luops,
- const struct cl_device_operations *clops);
-struct lu_device *ccc_device_free (const struct lu_env *env,
- struct lu_device *d);
-struct lu_object *ccc_object_alloc(const struct lu_env *env,
- const struct lu_object_header *hdr,
- struct lu_device *dev,
- const struct cl_object_operations *clops,
- const struct lu_object_operations *luops);
-
-int ccc_req_init(const struct lu_env *env, struct cl_device *dev,
- struct cl_req *req);
-void ccc_umount(const struct lu_env *env, struct cl_device *dev);
-int ccc_global_init(struct lu_device_type *device_type);
-void ccc_global_fini(struct lu_device_type *device_type);
-int ccc_object_init0(const struct lu_env *env, struct ccc_object *vob,
- const struct cl_object_conf *conf);
-int ccc_object_init(const struct lu_env *env, struct lu_object *obj,
- const struct lu_object_conf *conf);
-void ccc_object_free(const struct lu_env *env, struct lu_object *obj);
-int ccc_lock_init(const struct lu_env *env, struct cl_object *obj,
- struct cl_lock *lock, const struct cl_io *io,
- const struct cl_lock_operations *lkops);
-int ccc_object_glimpse(const struct lu_env *env,
- const struct cl_object *obj, struct ost_lvb *lvb);
-int ccc_fail(const struct lu_env *env, const struct cl_page_slice *slice);
-int ccc_transient_page_prep(const struct lu_env *env,
- const struct cl_page_slice *slice,
- struct cl_io *io);
-void ccc_lock_delete(const struct lu_env *env,
- const struct cl_lock_slice *slice);
-void ccc_lock_fini(const struct lu_env *env, struct cl_lock_slice *slice);
-int ccc_lock_enqueue(const struct lu_env *env,
- const struct cl_lock_slice *slice,
- struct cl_io *io, struct cl_sync_io *anchor);
-int ccc_io_one_lock_index(const struct lu_env *env, struct cl_io *io,
- __u32 enqflags, enum cl_lock_mode mode,
- pgoff_t start, pgoff_t end);
-int ccc_io_one_lock(const struct lu_env *env, struct cl_io *io,
- __u32 enqflags, enum cl_lock_mode mode,
- loff_t start, loff_t end);
-void ccc_io_end(const struct lu_env *env, const struct cl_io_slice *ios);
-void ccc_io_advance(const struct lu_env *env, const struct cl_io_slice *ios,
- size_t nob);
-void ccc_io_update_iov(const struct lu_env *env, struct ccc_io *cio,
- struct cl_io *io);
-int ccc_prep_size(const struct lu_env *env, struct cl_object *obj,
- struct cl_io *io, loff_t start, size_t count, int *exceed);
-void ccc_req_completion(const struct lu_env *env,
- const struct cl_req_slice *slice, int ioret);
-void ccc_req_attr_set(const struct lu_env *env,
- const struct cl_req_slice *slice,
- const struct cl_object *obj,
- struct cl_req_attr *oa, u64 flags);
-
-struct lu_device *ccc2lu_dev (struct ccc_device *vdv);
-struct lu_object *ccc2lu (struct ccc_object *vob);
-struct ccc_device *lu2ccc_dev (const struct lu_device *d);
-struct ccc_device *cl2ccc_dev (const struct cl_device *d);
-struct ccc_object *lu2ccc (const struct lu_object *obj);
-struct ccc_object *cl2ccc (const struct cl_object *obj);
-struct ccc_lock *cl2ccc_lock (const struct cl_lock_slice *slice);
-struct ccc_io *cl2ccc_io (const struct lu_env *env,
- const struct cl_io_slice *slice);
-struct ccc_req *cl2ccc_req (const struct cl_req_slice *slice);
-struct page *cl2vm_page (const struct cl_page_slice *slice);
-struct inode *ccc_object_inode(const struct cl_object *obj);
-struct ccc_object *cl_inode2ccc (struct inode *inode);
-
-int cl_setattr_ost(struct inode *inode, const struct iattr *attr);
-
-int ccc_object_invariant(const struct cl_object *obj);
-int cl_file_inode_init(struct inode *inode, struct lustre_md *md);
-void cl_inode_fini(struct inode *inode);
-int cl_local_size(struct inode *inode);
-
-__u16 ll_dirent_type_get(struct lu_dirent *ent);
-__u64 cl_fid_build_ino(const struct lu_fid *fid, int api32);
-__u32 cl_fid_build_gen(const struct lu_fid *fid);
-
-# define CLOBINVRNT(env, clob, expr) \
- ((void)sizeof(env), (void)sizeof(clob), (void)sizeof(!!(expr)))
-
-int cl_init_ea_size(struct obd_export *md_exp, struct obd_export *dt_exp);
-int cl_ocd_update(struct obd_device *host,
- struct obd_device *watched,
- enum obd_notify_event ev, void *owner, void *data);
-
-struct ccc_grouplock {
- struct lu_env *cg_env;
- struct cl_io *cg_io;
- struct cl_lock *cg_lock;
- unsigned long cg_gid;
-};
-
-int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
- struct ccc_grouplock *cg);
-void cl_put_grouplock(struct ccc_grouplock *cg);
-
-/**
- * New interfaces to get and put lov_stripe_md from lov layer. This violates
- * layering because lov_stripe_md is supposed to be a private data in lov.
- *
- * NB: If you find you have to use these interfaces for your new code, please
- * think about it again. These interfaces may be removed in the future for
- * better layering.
- */
-struct lov_stripe_md *lov_lsm_get(struct cl_object *clobj);
-void lov_lsm_put(struct cl_object *clobj, struct lov_stripe_md *lsm);
-int lov_read_and_clear_async_rc(struct cl_object *clob);
-
-struct lov_stripe_md *ccc_inode_lsm_get(struct inode *inode);
-void ccc_inode_lsm_put(struct inode *inode, struct lov_stripe_md *lsm);
-
-/**
- * Data structure managing a client's cached clean pages. An LRU of
- * pages is maintained, along with other statistics.
- */
-struct cl_client_cache {
- atomic_t ccc_users; /* # of users (OSCs) of this data */
- struct list_head ccc_lru; /* LRU list of cached clean pages */
- spinlock_t ccc_lru_lock; /* lock for list */
- atomic_t ccc_lru_left; /* # of LRU entries available */
- unsigned long ccc_lru_max; /* Max # of LRU entries possible */
- unsigned int ccc_lru_shrinkers; /* # of threads reclaiming */
-};
-
-#endif /*LCLIENT_H */
diff --git a/drivers/staging/lustre/lustre/llite/glimpse.c b/drivers/staging/lustre/lustre/llite/glimpse.c
index 0759dfc..a634633 100644
--- a/drivers/staging/lustre/lustre/llite/glimpse.c
+++ b/drivers/staging/lustre/lustre/llite/glimpse.c
@@ -52,7 +52,6 @@
#include <linux/file.h>
#include "../include/cl_object.h"
-#include "../include/lclient.h"
#include "../llite/llite_internal.h"
static const struct cl_lock_descr whole_file = {
diff --git a/drivers/staging/lustre/lustre/llite/lcommon_cl.c b/drivers/staging/lustre/lustre/llite/lcommon_cl.c
index b339d1b..79cdf83 100644
--- a/drivers/staging/lustre/lustre/llite/lcommon_cl.c
+++ b/drivers/staging/lustre/lustre/llite/lcommon_cl.c
@@ -59,8 +59,6 @@
#include "../include/lustre_mdc.h"
#include "../include/cl_object.h"
-#include "../include/lclient.h"
-
#include "../llite/llite_internal.h"
static const struct cl_req_operations ccc_req_ops;
diff --git a/drivers/staging/lustre/lustre/llite/lcommon_misc.c b/drivers/staging/lustre/lustre/llite/lcommon_misc.c
index 4c12e21..68e3db1 100644
--- a/drivers/staging/lustre/lustre/llite/lcommon_misc.c
+++ b/drivers/staging/lustre/lustre/llite/lcommon_misc.c
@@ -41,8 +41,8 @@
#include "../include/obd_support.h"
#include "../include/obd.h"
#include "../include/cl_object.h"
-#include "../include/lclient.h"
+#include "vvp_internal.h"
#include "../include/lustre_lite.h"
/* Initialize the default and maximum LOV EA and cookie sizes. This allows
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index ffed507..5686b94 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -43,11 +43,11 @@
/* for struct cl_lock_descr and struct cl_io */
#include "../include/cl_object.h"
-#include "../include/lclient.h"
#include "../include/lustre_mdc.h"
#include "../include/lustre_intent.h"
#include <linux/compat.h>
#include <linux/posix_acl_xattr.h>
+#include "vvp_internal.h"
#ifndef FMODE_EXEC
#define FMODE_EXEC 0
diff --git a/drivers/staging/lustre/lustre/llite/vvp_internal.h b/drivers/staging/lustre/lustre/llite/vvp_internal.h
index aa06f40..d4fe611 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_internal.h
+++ b/drivers/staging/lustre/lustre/llite/vvp_internal.h
@@ -41,8 +41,374 @@
#ifndef VVP_INTERNAL_H
#define VVP_INTERNAL_H
+#include "../include/lustre/lustre_idl.h"
#include "../include/cl_object.h"
-#include "llite_internal.h"
+
+enum obd_notify_event;
+struct inode;
+struct lov_stripe_md;
+struct lustre_md;
+struct obd_capa;
+struct obd_device;
+struct obd_export;
+struct page;
+
+blkcnt_t dirty_cnt(struct inode *inode);
+
+int cl_glimpse_size0(struct inode *inode, int agl);
+int cl_glimpse_lock(const struct lu_env *env, struct cl_io *io,
+ struct inode *inode, struct cl_object *clob, int agl);
+
+static inline int cl_glimpse_size(struct inode *inode)
+{
+ return cl_glimpse_size0(inode, 0);
+}
+
+static inline int cl_agl(struct inode *inode)
+{
+ return cl_glimpse_size0(inode, 1);
+}
+
+/**
+ * Locking policy for setattr.
+ */
+enum ccc_setattr_lock_type {
+ /** Locking is done by server */
+ SETATTR_NOLOCK,
+ /** Extent lock is enqueued */
+ SETATTR_EXTENT_LOCK,
+ /** Existing local extent lock is used */
+ SETATTR_MATCH_LOCK
+};
+
+/**
+ * IO state private to vvp or slp layers.
+ */
+struct ccc_io {
+ /** super class */
+ struct cl_io_slice cui_cl;
+ struct cl_io_lock_link cui_link;
+ /**
+ * I/O vector information to or from which read/write is going.
+ */
+ struct iov_iter *cui_iter;
+ /**
+ * Total size for the left IO.
+ */
+ size_t cui_tot_count;
+
+ union {
+ struct {
+ enum ccc_setattr_lock_type cui_local_lock;
+ } setattr;
+ struct {
+ struct cl_page_list cui_queue;
+ unsigned long cui_written;
+ int cui_from;
+ int cui_to;
+ } write;
+ } u;
+ /**
+ * Layout version when this IO is initialized
+ */
+ __u32 cui_layout_gen;
+ /**
+ * File descriptor against which IO is done.
+ */
+ struct ll_file_data *cui_fd;
+ struct kiocb *cui_iocb;
+};
+
+/**
+ * True, if \a io is a normal io, False for other splice_{read,write}.
+ * must be implemented in arch specific code.
+ */
+int cl_is_normalio(const struct lu_env *env, const struct cl_io *io);
+
+extern struct lu_context_key ccc_key;
+extern struct lu_context_key ccc_session_key;
+
+struct ccc_thread_info {
+ struct cl_lock cti_lock;
+ struct cl_lock_descr cti_descr;
+ struct cl_io cti_io;
+ struct cl_attr cti_attr;
+};
+
+static inline struct ccc_thread_info *ccc_env_info(const struct lu_env *env)
+{
+ struct ccc_thread_info *info;
+
+ info = lu_context_key_get(&env->le_ctx, &ccc_key);
+ LASSERT(info);
+
+ return info;
+}
+
+static inline struct cl_lock *ccc_env_lock(const struct lu_env *env)
+{
+ struct cl_lock *lock = &ccc_env_info(env)->cti_lock;
+
+ memset(lock, 0, sizeof(*lock));
+ return lock;
+}
+
+static inline struct cl_attr *ccc_env_thread_attr(const struct lu_env *env)
+{
+ struct cl_attr *attr = &ccc_env_info(env)->cti_attr;
+
+ memset(attr, 0, sizeof(*attr));
+
+ return attr;
+}
+
+static inline struct cl_io *ccc_env_thread_io(const struct lu_env *env)
+{
+ struct cl_io *io = &ccc_env_info(env)->cti_io;
+
+ memset(io, 0, sizeof(*io));
+
+ return io;
+}
+
+struct ccc_session {
+ struct ccc_io cs_ios;
+};
+
+static inline struct ccc_session *ccc_env_session(const struct lu_env *env)
+{
+ struct ccc_session *ses;
+
+ ses = lu_context_key_get(env->le_ses, &ccc_session_key);
+ LASSERT(ses);
+
+ return ses;
+}
+
+static inline struct ccc_io *ccc_env_io(const struct lu_env *env)
+{
+ return &ccc_env_session(env)->cs_ios;
+}
+
+/**
+ * ccc-private object state.
+ */
+struct ccc_object {
+ struct cl_object_header cob_header;
+ struct cl_object cob_cl;
+ struct inode *cob_inode;
+
+ /**
+ * A list of dirty pages pending IO in the cache. Used by
+ * SOM. Protected by ll_inode_info::lli_lock.
+ *
+ * \see ccc_page::cpg_pending_linkage
+ */
+ struct list_head cob_pending_list;
+
+ /**
+ * Access this counter is protected by inode->i_sem. Now that
+ * the lifetime of transient pages must be covered by inode sem,
+ * we don't need to hold any lock..
+ */
+ int cob_transient_pages;
+ /**
+ * Number of outstanding mmaps on this file.
+ *
+ * \see ll_vm_open(), ll_vm_close().
+ */
+ atomic_t cob_mmap_cnt;
+
+ /**
+ * various flags
+ * cob_discard_page_warned
+ * if pages belonging to this object are discarded when a client
+ * is evicted, some debug info will be printed, this flag will be set
+ * during processing the first discarded page, then avoid flooding
+ * debug message for lots of discarded pages.
+ *
+ * \see ll_dirty_page_discard_warn.
+ */
+ unsigned int cob_discard_page_warned:1;
+};
+
+/**
+ * ccc-private page state.
+ */
+struct ccc_page {
+ struct cl_page_slice cpg_cl;
+ int cpg_defer_uptodate;
+ int cpg_ra_used;
+ int cpg_write_queued;
+ /**
+ * Non-empty iff this page is already counted in
+ * ccc_object::cob_pending_list. Protected by
+ * ccc_object::cob_pending_guard. This list is only used as a flag,
+ * that is, never iterated through, only checked for list_empty(), but
+ * having a list is useful for debugging.
+ */
+ struct list_head cpg_pending_linkage;
+ /** VM page */
+ struct page *cpg_page;
+};
+
+static inline struct ccc_page *cl2ccc_page(const struct cl_page_slice *slice)
+{
+ return container_of(slice, struct ccc_page, cpg_cl);
+}
+
+static inline pgoff_t ccc_index(struct ccc_page *ccc)
+{
+ return ccc->cpg_cl.cpl_index;
+}
+
+struct cl_page *ccc_vmpage_page_transient(struct page *vmpage);
+
+struct ccc_device {
+ struct cl_device cdv_cl;
+ struct super_block *cdv_sb;
+ struct cl_device *cdv_next;
+};
+
+struct ccc_lock {
+ struct cl_lock_slice clk_cl;
+};
+
+struct ccc_req {
+ struct cl_req_slice crq_cl;
+};
+
+void *ccc_key_init(const struct lu_context *ctx,
+ struct lu_context_key *key);
+void ccc_key_fini(const struct lu_context *ctx,
+ struct lu_context_key *key, void *data);
+void *ccc_session_key_init(const struct lu_context *ctx,
+ struct lu_context_key *key);
+void ccc_session_key_fini(const struct lu_context *ctx,
+ struct lu_context_key *key, void *data);
+
+int ccc_device_init(const struct lu_env *env,
+ struct lu_device *d,
+ const char *name, struct lu_device *next);
+struct lu_device *ccc_device_fini(const struct lu_env *env,
+ struct lu_device *d);
+struct lu_device *ccc_device_alloc(const struct lu_env *env,
+ struct lu_device_type *t,
+ struct lustre_cfg *cfg,
+ const struct lu_device_operations *luops,
+ const struct cl_device_operations *clops);
+struct lu_device *ccc_device_free(const struct lu_env *env,
+ struct lu_device *d);
+struct lu_object *ccc_object_alloc(const struct lu_env *env,
+ const struct lu_object_header *hdr,
+ struct lu_device *dev,
+ const struct cl_object_operations *clops,
+ const struct lu_object_operations *luops);
+
+int ccc_req_init(const struct lu_env *env, struct cl_device *dev,
+ struct cl_req *req);
+void ccc_umount(const struct lu_env *env, struct cl_device *dev);
+int ccc_global_init(struct lu_device_type *device_type);
+void ccc_global_fini(struct lu_device_type *device_type);
+int ccc_object_init0(const struct lu_env *env, struct ccc_object *vob,
+ const struct cl_object_conf *conf);
+int ccc_object_init(const struct lu_env *env, struct lu_object *obj,
+ const struct lu_object_conf *conf);
+void ccc_object_free(const struct lu_env *env, struct lu_object *obj);
+int ccc_lock_init(const struct lu_env *env, struct cl_object *obj,
+ struct cl_lock *lock, const struct cl_io *io,
+ const struct cl_lock_operations *lkops);
+int ccc_object_glimpse(const struct lu_env *env,
+ const struct cl_object *obj, struct ost_lvb *lvb);
+int ccc_fail(const struct lu_env *env, const struct cl_page_slice *slice);
+int ccc_transient_page_prep(const struct lu_env *env,
+ const struct cl_page_slice *slice,
+ struct cl_io *io);
+void ccc_lock_delete(const struct lu_env *env,
+ const struct cl_lock_slice *slice);
+void ccc_lock_fini(const struct lu_env *env, struct cl_lock_slice *slice);
+int ccc_lock_enqueue(const struct lu_env *env,
+ const struct cl_lock_slice *slice,
+ struct cl_io *io, struct cl_sync_io *anchor);
+
+int ccc_io_one_lock_index(const struct lu_env *env, struct cl_io *io,
+ __u32 enqflags, enum cl_lock_mode mode,
+ pgoff_t start, pgoff_t end);
+int ccc_io_one_lock(const struct lu_env *env, struct cl_io *io,
+ __u32 enqflags, enum cl_lock_mode mode,
+ loff_t start, loff_t end);
+void ccc_io_end(const struct lu_env *env, const struct cl_io_slice *ios);
+void ccc_io_advance(const struct lu_env *env, const struct cl_io_slice *ios,
+ size_t nob);
+void ccc_io_update_iov(const struct lu_env *env, struct ccc_io *cio,
+ struct cl_io *io);
+int ccc_prep_size(const struct lu_env *env, struct cl_object *obj,
+ struct cl_io *io, loff_t start, size_t count, int *exceed);
+void ccc_req_completion(const struct lu_env *env,
+ const struct cl_req_slice *slice, int ioret);
+void ccc_req_attr_set(const struct lu_env *env,
+ const struct cl_req_slice *slice,
+ const struct cl_object *obj,
+ struct cl_req_attr *oa, u64 flags);
+
+struct lu_device *ccc2lu_dev(struct ccc_device *vdv);
+struct lu_object *ccc2lu(struct ccc_object *vob);
+struct ccc_device *lu2ccc_dev(const struct lu_device *d);
+struct ccc_device *cl2ccc_dev(const struct cl_device *d);
+struct ccc_object *lu2ccc(const struct lu_object *obj);
+struct ccc_object *cl2ccc(const struct cl_object *obj);
+struct ccc_lock *cl2ccc_lock(const struct cl_lock_slice *slice);
+struct ccc_io *cl2ccc_io(const struct lu_env *env,
+ const struct cl_io_slice *slice);
+struct ccc_req *cl2ccc_req(const struct cl_req_slice *slice);
+struct page *cl2vm_page(const struct cl_page_slice *slice);
+struct inode *ccc_object_inode(const struct cl_object *obj);
+struct ccc_object *cl_inode2ccc(struct inode *inode);
+
+int cl_setattr_ost(struct inode *inode, const struct iattr *attr);
+
+int ccc_object_invariant(const struct cl_object *obj);
+int cl_file_inode_init(struct inode *inode, struct lustre_md *md);
+void cl_inode_fini(struct inode *inode);
+int cl_local_size(struct inode *inode);
+
+__u16 ll_dirent_type_get(struct lu_dirent *ent);
+__u64 cl_fid_build_ino(const struct lu_fid *fid, int api32);
+__u32 cl_fid_build_gen(const struct lu_fid *fid);
+
+# define CLOBINVRNT(env, clob, expr) \
+ ((void)sizeof(env), (void)sizeof(clob), (void)sizeof(!!(expr)))
+
+int cl_init_ea_size(struct obd_export *md_exp, struct obd_export *dt_exp);
+int cl_ocd_update(struct obd_device *host,
+ struct obd_device *watched,
+ enum obd_notify_event ev, void *owner, void *data);
+
+struct ccc_grouplock {
+ struct lu_env *cg_env;
+ struct cl_io *cg_io;
+ struct cl_lock *cg_lock;
+ unsigned long cg_gid;
+};
+
+int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
+ struct ccc_grouplock *cg);
+void cl_put_grouplock(struct ccc_grouplock *cg);
+
+/**
+ * New interfaces to get and put lov_stripe_md from lov layer. This violates
+ * layering because lov_stripe_md is supposed to be a private data in lov.
+ *
+ * NB: If you find you have to use these interfaces for your new code, please
+ * think about it again. These interfaces may be removed in the future for
+ * better layering.
+ */
+struct lov_stripe_md *lov_lsm_get(struct cl_object *clobj);
+void lov_lsm_put(struct cl_object *clobj, struct lov_stripe_md *lsm);
+int lov_read_and_clear_async_rc(struct cl_object *clob);
+
+struct lov_stripe_md *ccc_inode_lsm_get(struct inode *inode);
+void ccc_inode_lsm_put(struct inode *inode, struct lov_stripe_md *lsm);
int vvp_io_init(const struct lu_env *env, struct cl_object *obj,
struct cl_io *io);
diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c
index 1d2fc3b..fcf0cfe 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_io.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_io.c
@@ -44,6 +44,7 @@
#include "../include/obd.h"
#include "../include/lustre_lite.h"
+#include "llite_internal.h"
#include "vvp_internal.h"
static struct vvp_io *cl2vvp_io(const struct lu_env *env,
diff --git a/drivers/staging/lustre/lustre/llite/vvp_object.c b/drivers/staging/lustre/lustre/llite/vvp_object.c
index 34210db..45fac69 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_object.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_object.c
@@ -45,6 +45,7 @@
#include "../include/obd.h"
#include "../include/lustre_lite.h"
+#include "llite_internal.h"
#include "vvp_internal.h"
/*****************************************************************************
diff --git a/drivers/staging/lustre/lustre/llite/vvp_page.c b/drivers/staging/lustre/lustre/llite/vvp_page.c
index 3c6b723..66a4f9b 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_page.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_page.c
@@ -44,6 +44,7 @@
#include "../include/obd.h"
#include "../include/lustre_lite.h"
+#include "llite_internal.h"
#include "vvp_internal.h"
/*****************************************************************************
diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c
index 5daa7fa..1a9e3e8 100644
--- a/drivers/staging/lustre/lustre/lov/lov_obd.c
+++ b/drivers/staging/lustre/lustre/lov/lov_obd.c
@@ -54,7 +54,6 @@
#include "../include/lprocfs_status.h"
#include "../include/lustre_param.h"
#include "../include/cl_object.h"
-#include "../include/lclient.h" /* for cl_client_lru */
#include "../include/lustre/ll_fiemap.h"
#include "../include/lustre_fid.h"
diff --git a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h
index c7a69e4..d6d7661 100644
--- a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h
+++ b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h
@@ -51,7 +51,6 @@
#include "../include/obd.h"
/* osc_build_res_name() */
#include "../include/cl_object.h"
-#include "../include/lclient.h"
#include "osc_internal.h"
/** \defgroup osc osc
--
2.1.0
Powered by blists - more mailing lists