-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef __LLU_H_
#define __LLU_H_
+#include <fcntl.h>
+#include <sys/queue.h>
+#include <sysio.h>
+#ifdef HAVE_XTIO_H
+#include <xtio.h>
+#endif
+#include <fs.h>
+#include <mount.h>
+#include <inode.h>
+#ifdef HAVE_FILE_H
+#include <file.h>
+#endif
#include <liblustre.h>
#include <obd.h>
/* This should not be "optimized" use ~0ULL because page->index is a long and
* 32-bit systems are therefore limited to 16TB in a mapping */
-#define PAGE_CACHE_MAXBYTES ((__u64)(~0UL) << CFS_PAGE_SHIFT)
-
+#define MAX_LFS_FILESIZE ((__u64)(~0UL) << PAGE_CACHE_SHIFT)
struct ll_file_data {
struct obd_client_handle fd_mds_och;
__u32 fd_flags;
struct lu_fid ll_root_fid;
int ll_flags;
struct lustre_client_ocd ll_lco;
- struct list_head ll_conn_chain;
+ cfs_list_t ll_conn_chain;
struct obd_uuid ll_mds_uuid;
struct obd_uuid ll_mds_peer_uuid;
struct llu_sb_info *lli_sbi;
struct lu_fid lli_fid;
- struct lov_stripe_md *lli_smd;
char *lli_symlink_name;
- struct semaphore lli_open_sem;
__u64 lli_maxbytes;
unsigned long lli_flags;
__u64 lli_ioepoch;
* was opened several times without close, we track an
* open_count here */
struct ll_file_data *lli_file_data;
+ /* checking lli_has_smd is reliable only inside an IO
+ * i.e, lov stripe has been held. */
+ bool lli_has_smd;
int lli_open_flags;
int lli_open_count;
int lli_st_flags;
unsigned long lli_st_generation;
struct cl_object *lli_clob;
+ /* the most recent timestamps obtained from mds */
+ struct ost_lvb lli_lvb;
};
-
static inline struct llu_sb_info *llu_fs2sbi(struct filesys *fs)
{
return (struct llu_sb_info*)(fs->fs_private);
return (struct llu_inode_info*)(inode->i_private);
}
+static inline int ll_inode_flags(struct inode *inode)
+{
+ return llu_i2info(inode)->lli_st_flags;
+}
+
static inline struct intnl_stat *llu_i2stat(struct inode *inode)
{
return &inode->i_stbuf;
}
+#define ll_inode_blksize(inode) (llu_i2stat(inode)->st_blksize)
+
static inline struct llu_sb_info *llu_i2sbi(struct inode *inode)
{
return llu_i2info(inode)->lli_sbi;
typedef int (*intent_finish_cb)(struct ptlrpc_request *,
struct inode *parent, struct pnode *pnode,
struct lookup_intent *, int offset, obd_id ino);
-int llu_intent_lock(struct inode *parent, struct pnode *pnode,
- struct lookup_intent *, int flags, intent_finish_cb);
static inline __u64 ll_file_maxbytes(struct inode *inode)
{
/* super.c */
void llu_update_inode(struct inode *inode, struct lustre_md *md);
void obdo_to_inode(struct inode *dst, struct obdo *src, obd_flag valid);
-void obdo_from_inode(struct obdo *dst, struct inode *src, obd_flag valid);
int ll_it_open_error(int phase, struct lookup_intent *it);
struct inode *llu_iget(struct filesys *fs, struct lustre_md *md);
int llu_inode_getattr(struct inode *inode, struct obdo *obdo,
void llu_prep_md_op_data(struct md_op_data *op_data, struct inode *i1,
struct inode *i2, const char *name, int namelen,
int mode, __u32 opc);
-void llu_finish_md_op_data(struct md_op_data *op_data);
int llu_create(struct inode *dir, struct pnode_base *pnode, int mode);
int llu_local_open(struct llu_inode_info *lli, struct lookup_intent *it);
int llu_iop_open(struct pnode *pnode, int flags, mode_t mode);
struct intent *intnt,
const char *path);
void unhook_stale_inode(struct pnode *pno);
+struct inode *llu_inode_from_resource_lock(struct ldlm_lock *lock);
struct inode *llu_inode_from_lock(struct ldlm_lock *lock);
int llu_md_blocking_ast(struct ldlm_lock *lock,
struct ldlm_lock_desc *desc,
return (struct ext2_dirent*)((char*) p + le16_to_cpu(p->rec_len));
}
-int llu_merge_lvb(struct inode *inode);
+int llu_merge_lvb(const struct lu_env *env, struct inode *inode);
static inline void inode_init_lvb(struct inode *inode, struct ost_lvb *lvb)
{
#define LLU_IO_GROUP_SIZE(x) \
(sizeof(struct llu_io_group) + \
(sizeof(struct ll_async_page) + \
- sizeof(cfs_page_t) + \
+ sizeof(struct page) + \
llap_cookie_size) * (x))
struct llu_io_session {
int cl_sb_init(struct llu_sb_info *sbi);
int cl_sb_fini(struct llu_sb_info *sbi);
-int cl_inode_init(struct inode *inode, struct lustre_md *md);
-void cl_inode_fini(struct inode *inode);
void llu_io_init(struct cl_io *io, struct inode *inode, int write);
#define cl_i2info(info) llu_i2info(info)
#define cl_inode_mode(inode) (llu_i2stat(inode)->st_mode)
#define cl_i2sbi llu_i2sbi
-#define cl_isize_read(inode) (llu_i2stat(inode)->st_size)
-#define cl_isize_write(inode,kms) do{llu_i2stat(inode)->st_size = kms;}while(0)
-#define cl_isize_write_nolock(inode,kms) do{llu_i2stat(inode)->st_size = kms;}while(0)
+#define cl_isize_read(inode) (llu_i2stat(inode)->st_size)
+#define cl_isize_write(inode,kms) do{llu_i2stat(inode)->st_size = kms;}while(0)
+#define cl_isize_write_nolock(inode,kms) cl_isize_write(inode,kms)
-static inline void cl_isize_lock(struct inode *inode, int lsmlock)
+static inline struct ll_file_data *cl_iattr2fd(struct inode *inode,
+ const struct iattr *attr)
{
+ return llu_i2info(inode)->lli_file_data;
}
-static inline void cl_isize_unlock(struct inode *inode, int lsmlock)
+static inline void cl_isize_lock(struct inode *inode)
{
}
-static inline int cl_merge_lvb(struct inode *inode)
+static inline void cl_isize_unlock(struct inode *inode)
{
- return llu_merge_lvb(inode);
+}
+
+static inline int cl_merge_lvb(const struct lu_env *env, struct inode *inode)
+{
+ return llu_merge_lvb(env, inode);
}
#define cl_inode_atime(inode) (llu_i2stat(inode)->st_atime)
return NULL;
}
+static inline void cl_stats_tally(struct cl_device *dev, enum cl_req_type crt,
+ int rc)
+{
+}
+
+static inline loff_t i_size_read(struct inode *inode)
+{
+ return inode->i_stbuf.st_size;
+}
+
+static inline void i_size_write(struct inode *inode, loff_t i_sz)
+{
+ inode->i_stbuf.st_size = i_sz;
+}
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff