/* -*- 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.
+ *
+ * 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) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Whamcloud, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#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>
#include <sys/types.h>
#include <sys/stat.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)
+/* for struct cl_lock_descr and struct cl_io */
+#include <cl_object.h>
+#include <lclient.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 MAX_LFS_FILESIZE ((__u64)(~0UL) << CFS_PAGE_SHIFT)
struct ll_file_data {
struct obd_client_handle fd_mds_och;
__u32 fd_flags;
- struct lustre_handle fd_cwlockh;
- unsigned long fd_gid;
+ struct ccc_grouplock fd_grouplock;
};
struct llu_sb_info {
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;
char *ll_instance;
+ struct lu_site *ll_site;
+ struct cl_device *ll_cl;
};
#define LL_SBI_NOLCK 0x1
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;
/* not for stat, change it later */
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_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;
extern struct mount_option_s mount_option;
/* super.c */
-void llu_update_inode(struct inode *inode, struct mdt_body *body,
- struct lov_stripe_md *lmm);
+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);
+int llu_inode_getattr(struct inode *inode, struct obdo *obdo,
+ __u64 ioepoch, int sync);
int llu_md_setattr(struct inode *inode, struct md_op_data *op_data,
struct md_open_data **mod);
int llu_setattr_raw(struct inode *inode, struct iattr *attr);
+int llu_put_grouplock(struct inode *inode, unsigned long arg);
extern struct fssw_ops llu_fssw_ops;
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);
+void llu_done_writing_attr(struct inode *inode, struct md_op_data *op_data);
int llu_md_close(struct obd_export *md_exp, struct inode *inode);
+void llu_pack_inode2opdata(struct inode *inode, struct md_op_data *op_data,
+ struct lustre_handle *fh);
int llu_file_release(struct inode *inode);
-int llu_sizeonmds_update(struct inode *inode, struct md_open_data *mod,
- struct lustre_handle *fh, __u64 ioepoch);
+int llu_som_update(struct inode *inode, struct md_op_data *op_data);
int llu_iop_close(struct inode *inode);
_SYSIO_OFF_T llu_iop_pos(struct inode *ino, _SYSIO_OFF_T off);
int llu_vmtruncate(struct inode * inode, loff_t offset, obd_flag obd_flags);
void obdo_refresh_inode(struct inode *dst, struct obdo *src, obd_flag valid);
int llu_objects_destroy(struct ptlrpc_request *request, struct inode *dir);
+void llu_ioepoch_open(struct llu_inode_info *lli, __u64 ioepoch);
/* rw.c */
int llu_iop_read(struct inode *ino, struct ioctx *ioctxp);
int llu_iop_write(struct inode *ino, struct ioctx *ioctxp);
int llu_iop_iodone(struct ioctx *ioctxp);
-int llu_local_size(struct inode *inode);
int llu_glimpse_size(struct inode *inode);
int llu_extent_lock(struct ll_file_data *fd, struct inode *inode,
struct lov_stripe_md *lsm, int mode,
void *data, int flag);
/* dir.c */
-ssize_t llu_iop_filldirentries(struct inode *ino, _SYSIO_OFF_T *basep,
+ssize_t llu_iop_filldirentries(struct inode *ino, _SYSIO_OFF_T *basep,
char *buf, size_t nbytes);
/* liblustre/llite_fid.c*/
-unsigned long llu_fid_build_ino(struct llu_sb_info *sbi,
+unsigned long llu_fid_build_ino(struct llu_sb_info *sbi,
struct lu_fid *fid);
/* ext2 related */
return (struct ext2_dirent*)((char*) p + le16_to_cpu(p->rec_len));
}
+int llu_merge_lvb(struct inode *inode);
+
static inline void inode_init_lvb(struct inode *inode, struct ost_lvb *lvb)
{
struct intnl_stat *st = llu_i2stat(inode);
lvb->lvb_ctime = st->st_ctime;
}
+#define LLU_IO_GROUP_SIZE(x) \
+ (sizeof(struct llu_io_group) + \
+ (sizeof(struct ll_async_page) + \
+ sizeof(cfs_page_t) + \
+ llap_cookie_size) * (x))
+
+struct llu_io_session {
+ struct inode *lis_inode;
+ int lis_cmd;
+ int lis_max_groups;
+ int lis_ngroups;
+ int lis_rc;
+ __u64 lis_rwcount;
+};
+
+struct llu_io_group
+{
+ struct lustre_rw_params *lig_params;
+ int lig_rc;
+ __u64 lig_rwcount;
+};
+
+struct llu_io_session;
+void put_io_group(struct llu_io_group *group);
+
+int cl_sb_init(struct llu_sb_info *sbi);
+int cl_sb_fini(struct llu_sb_info *sbi);
+
+void llu_io_init(struct cl_io *io, struct inode *inode, int write);
+
+struct slp_io {
+ struct llu_io_session *sio_session;
+};
+
+struct slp_session {
+ struct slp_io ss_ios;
+};
+
+static inline struct slp_session *slp_env_session(const struct lu_env *env)
+{
+ extern struct lu_context_key slp_session_key;
+ struct slp_session *ses;
+ ses = lu_context_key_get(env->le_ses, &slp_session_key);
+ LASSERT(ses != NULL);
+ return ses;
+}
+static inline struct slp_io *slp_env_io(const struct lu_env *env)
+{
+ return &slp_env_session(env)->ss_ios;
+}
+
+/* lclient compat stuff */
+#define cl_inode_info llu_inode_info
+#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) cl_isize_write(inode,kms)
+
+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_lock(struct inode *inode, int lsmlock)
+{
+}
+
+static inline void cl_isize_unlock(struct inode *inode, int lsmlock)
+{
+}
+
+static inline int cl_merge_lvb(struct inode *inode)
+{
+ return llu_merge_lvb(inode);
+}
+
+#define cl_inode_atime(inode) (llu_i2stat(inode)->st_atime)
+#define cl_inode_ctime(inode) (llu_i2stat(inode)->st_ctime)
+#define cl_inode_mtime(inode) (llu_i2stat(inode)->st_mtime)
+
+static inline struct obd_capa *cl_capa_lookup(struct inode *inode,
+ enum cl_req_type crt)
+{
+ 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