/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * Lustre Light Super operations
- *
- * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
- *
- * This file is part of Lustre, http://www.lustre.org.
- *
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * Lustre 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 for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __LLU_H_
#define __LLU_H_
#include <liblustre.h>
-#include <linux/obd.h>
-#include <linux/obd_class.h>
-#include <linux/lustre_mds.h>
-#include <linux/lustre_lite.h>
+#include <obd.h>
+#include <obd_class.h>
+#include <lustre_mdc.h>
+#include <lustre_lite.h>
+#include <lustre_ver.h>
#include <sys/types.h>
#include <sys/stat.h>
-#define PAGE_CACHE_MAXBYTES ((__u64)(~0UL) << PAGE_CACHE_SHIFT)
+/* 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)
struct ll_file_data {
struct obd_client_handle fd_mds_och;
__u32 fd_flags;
+ struct lustre_handle fd_cwlockh;
+ unsigned long fd_gid;
};
-struct llu_sb_info
-{
- struct obd_uuid ll_sb_uuid;
- struct obd_export *ll_mdc_exp;
- struct obd_export *ll_osc_exp;
- obd_id ll_rootino;
- int ll_flags;
- struct list_head ll_conn_chain;
-
- struct obd_uuid ll_mds_uuid;
- struct obd_uuid ll_mds_peer_uuid;
- char *ll_instance;
+struct llu_sb_info {
+ struct obd_uuid ll_sb_uuid;
+ struct obd_export *ll_md_exp;
+ struct obd_export *ll_dt_exp;
+ struct lu_fid ll_root_fid;
+ int ll_flags;
+ struct lustre_client_ocd ll_lco;
+ struct list_head ll_conn_chain;
+
+ struct obd_uuid ll_mds_uuid;
+ struct obd_uuid ll_mds_peer_uuid;
+ char *ll_instance;
};
#define LL_SBI_NOLCK 0x1
-#define LL_SBI_READAHEAD 0x2
-#define LLI_F_HAVE_OST_SIZE_LOCK 0
-#define LLI_F_HAVE_MDS_SIZE_LOCK 1
-#define LLI_F_PREFER_EXTENDED_SIZE 2
+enum lli_flags {
+ /* MDS has an authority for the Size-on-MDS attributes. */
+ LLIF_MDS_SIZE_LOCK = (1 << 0),
+};
struct llu_inode_info {
struct llu_sb_info *lli_sbi;
- struct ll_fid lli_fid;
+ 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;
+ unsigned long lli_flags;
+ __u64 lli_ioepoch;
/* for libsysio */
struct file_identifier lli_sysio_fid;
struct lookup_intent *lli_it;
- /* XXX workaround for libsysio unlink */
- int lli_stale_flag;
/* XXX workaround for libsysio readdir */
loff_t lli_dir_pos;
* was opened several times without close, we track an
* open_count here */
struct ll_file_data *lli_file_data;
+ int lli_open_flags;
int lli_open_count;
- /* stat FIXME not 64 bit clean */
- dev_t lli_st_dev;
- ino_t lli_st_ino;
- mode_t lli_st_mode;
- nlink_t lli_st_nlink;
- uid_t lli_st_uid;
- gid_t lli_st_gid;
- dev_t lli_st_rdev;
- loff_t lli_st_size;
- unsigned int lli_st_blksize;
- unsigned int lli_st_blocks;
- time_t lli_st_atime;
- time_t lli_st_mtime;
- time_t lli_st_ctime;
-
/* not for stat, change it later */
- int lli_st_flags;
- unsigned long lli_st_generation;
-};
-
-#define LLU_SYSIO_COOKIE_SIZE(x) \
- (sizeof(struct llu_sysio_cookie) + \
- sizeof(struct ll_async_page) * (x) + \
- sizeof(struct page) * (x))
-
-struct llu_sysio_cookie {
- struct obd_io_group *lsc_oig;
- struct inode *lsc_inode;
- int lsc_maxpages;
- int lsc_npages;
- struct ll_async_page *lsc_llap;
- struct page *lsc_pages;
- __u64 lsc_rwcount;
-};
-
-/* XXX why uio.h haven't the definition? */
-#define MAX_IOVEC 32
-
-struct llu_sysio_callback_args
-{
- int ncookies;
- struct llu_sysio_cookie *cookies[MAX_IOVEC];
+ int lli_st_flags;
+ unsigned long lli_st_generation;
};
static inline struct llu_sb_info *llu_fs2sbi(struct filesys *fs)
return (struct llu_inode_info*)(inode->i_private);
}
+static inline struct intnl_stat *llu_i2stat(struct inode *inode)
+{
+ return &inode->i_stbuf;
+}
+
static inline struct llu_sb_info *llu_i2sbi(struct inode *inode)
{
return llu_i2info(inode)->lli_sbi;
static inline struct obd_export *llu_i2obdexp(struct inode *inode)
{
- return llu_i2info(inode)->lli_sbi->ll_osc_exp;
+ return llu_i2info(inode)->lli_sbi->ll_dt_exp;
}
-static inline struct obd_export *llu_i2mdcexp(struct inode *inode)
+static inline struct obd_export *llu_i2mdexp(struct inode *inode)
{
- return llu_i2info(inode)->lli_sbi->ll_mdc_exp;
+ return llu_i2info(inode)->lli_sbi->ll_md_exp;
}
static inline int llu_is_root_inode(struct inode *inode)
{
- return (llu_i2info(inode)->lli_fid.id ==
- llu_i2info(inode)->lli_sbi->ll_rootino);
+ return (fid_seq(&llu_i2info(inode)->lli_fid) ==
+ fid_seq(&llu_i2info(inode)->lli_sbi->ll_root_fid) &&
+ fid_oid(&llu_i2info(inode)->lli_fid) ==
+ fid_oid(&llu_i2info(inode)->lli_sbi->ll_root_fid));
}
#define LL_SAVE_INTENT(inode, it) \
do { \
struct lookup_intent *temp; \
LASSERT(llu_i2info(inode)->lli_it == NULL); \
- OBD_ALLOC(temp, sizeof(*temp)); \
+ OBD_ALLOC(temp, sizeof(*temp)); \
memcpy(temp, it, sizeof(*temp)); \
llu_i2info(inode)->lli_it = temp; \
- CDEBUG(D_DENTRY, "alloc intent %p to inode %p(ino %lu)\n", \
- temp, inode, llu_i2info(inode)->lli_st_ino); \
+ CDEBUG(D_DENTRY, "alloc intent %p to inode %p(ino %llu)\n", \
+ temp, inode, (long long)llu_i2stat(inode)->st_ino); \
} while(0)
\
LASSERT(it); \
llu_i2info(inode)->lli_it = NULL; \
- CDEBUG(D_DENTRY, "dettach intent %p from inode %p(ino %lu)\n", \
- it, inode, llu_i2info(inode)->lli_st_ino); \
+ CDEBUG(D_DENTRY, "dettach intent %p from inode %p(ino %llu)\n", \
+ it, inode, (long long)llu_i2stat(inode)->st_ino); \
} while(0)
/* interpet return codes from intent lookup */
#define LL_LOOKUP_POSITIVE 1
#define LL_LOOKUP_NEGATIVE 2
-static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
+static inline struct lu_fid *ll_inode2fid(struct inode *inode)
{
- *fid = llu_i2info(inode)->lli_fid;
+ LASSERT(inode != NULL);
+ return &llu_i2info(inode)->lli_fid;
}
struct it_cb_data {
obd_id hash;
};
-static inline void ll_i2uctxt(struct ll_uctxt *ctxt, struct inode *i1,
- struct inode *i2)
-{
- struct llu_inode_info *lli1 = llu_i2info(i1);
- struct llu_inode_info *lli2;
-
- LASSERT(i1);
- LASSERT(ctxt);
-
- if (in_group_p(lli1->lli_st_gid))
- ctxt->gid1 = lli1->lli_st_gid;
- else
- ctxt->gid1 = -1;
-
- if (i2) {
- lli2 = llu_i2info(i2);
- if (in_group_p(lli2->lli_st_gid))
- ctxt->gid2 = lli2->lli_st_gid;
- else
- ctxt->gid2 = -1;
- } else
- ctxt->gid2 = 0;
-}
-
+void ll_i2gids(__u32 *suppgids, struct inode *i1,struct inode *i2);
typedef int (*intent_finish_cb)(struct ptlrpc_request *,
- struct inode *parent, struct pnode *pnode,
+ 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);
-/* FIXME */
-static inline int ll_permission(struct inode *inode, int flag, void * unused)
-{
- return 0;
-}
-
static inline __u64 ll_file_maxbytes(struct inode *inode)
{
return llu_i2info(inode)->lli_maxbytes;
struct mount_option_s
{
- char *mdc_uuid;
- char *osc_uuid;
+ char *md_uuid;
+ char *dt_uuid;
};
+#define IS_BAD_PTR(ptr) \
+ ((unsigned long)(ptr) == 0 || (unsigned long)(ptr) > -1000UL)
+
/* llite_lib.c */
-void generate_random_uuid(unsigned char uuid_out[16]);
-int liblustre_process_log(struct config_llog_instance *cfg, int allow_recov);
-int ll_parse_mount_target(const char *target, char **mdsnid,
- char **mdsname, char **profile);
-
-extern int g_zconf;
-extern char *g_zconf_mdsnid;
-extern char *g_zconf_mdsname;
-extern char *g_zconf_profile;
+int liblustre_process_log(struct config_llog_instance *cfg, char *mgsnid,
+ char *profile, int allow_recov);
+int ll_parse_mount_target(const char *target, char **mgsnid,
+ char **fsname);
+
extern struct mount_option_s mount_option;
/* super.c */
-void llu_update_inode(struct inode *inode, struct mds_body *body,
+void llu_update_inode(struct inode *inode, struct mdt_body *body,
struct lov_stripe_md *lmm);
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 lov_stripe_md *lsm);
+int llu_inode_getattr(struct inode *inode, struct obdo *obdo);
+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);
extern struct fssw_ops llu_fssw_ops;
/* file.c */
-void llu_prepare_mdc_op_data(struct mdc_op_data *data,
- struct inode *i1,
- struct inode *i2,
- const char *name,
- int namelen,
- int mode);
+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);
-int llu_mdc_close(struct obd_export *mdc_exp, struct inode *inode);
+int llu_md_close(struct obd_export *md_exp, struct inode *inode);
+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_iop_close(struct inode *inode);
-int llu_iop_ipreadv(struct inode *ino, struct ioctx *ioctxp);
-int llu_iop_ipwritev(struct inode *ino, struct ioctx *ioctxp);
-int llu_vmtruncate(struct inode * inode, loff_t offset);
+_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);
/* rw.c */
-int llu_iop_iodone(struct ioctx *ioctxp __IS_UNUSED);
-struct llu_sysio_callback_args*
-llu_file_write(struct inode *inode, const struct iovec *iovec,
- size_t iovlen, loff_t pos);
-struct llu_sysio_callback_args*
-llu_file_read(struct inode *inode, const struct iovec *iovec,
- size_t iovlen, loff_t pos);
-int llu_extent_lock_no_validate(struct ll_file_data *fd,
- struct inode *inode,
- struct lov_stripe_md *lsm,
- int mode,
- struct ldlm_extent *extent,
- struct lustre_handle *lockh,
- int ast_flags);
+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_cancel_cb(struct ldlm_lock *lock,
+ struct ldlm_lock_desc *new, void *data,
+ int flag);
int llu_extent_lock(struct ll_file_data *fd, struct inode *inode,
- struct lov_stripe_md *lsm,
- int mode, struct ldlm_extent *extent,
- struct lustre_handle *lockh);
+ struct lov_stripe_md *lsm, int mode,
+ ldlm_policy_data_t *policy, struct lustre_handle *lockh,
+ int ast_flags);
int llu_extent_unlock(struct ll_file_data *fd, struct inode *inode,
- struct lov_stripe_md *lsm, int mode,
- struct lustre_handle *lockh);
+ struct lov_stripe_md *lsm, int mode,
+ struct lustre_handle *lockh);
/* namei.c */
int llu_iop_lookup(struct pnode *pnode,
const char *path);
void unhook_stale_inode(struct pnode *pno);
struct inode *llu_inode_from_lock(struct ldlm_lock *lock);
-int llu_mdc_blocking_ast(struct ldlm_lock *lock,
- struct ldlm_lock_desc *desc,
- void *data, int flag);
+int llu_md_blocking_ast(struct ldlm_lock *lock,
+ struct ldlm_lock_desc *desc,
+ void *data, int flag);
/* dir.c */
-ssize_t llu_iop_getdirentries(struct inode *ino, char *buf, size_t nbytes,
- _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,
+ struct lu_fid *fid);
/* ext2 related */
#define EXT2_NAME_LEN (255)
return (struct ext2_dirent*)((char*) p + le16_to_cpu(p->rec_len));
}
+static inline void inode_init_lvb(struct inode *inode, struct ost_lvb *lvb)
+{
+ struct intnl_stat *st = llu_i2stat(inode);
+ lvb->lvb_size = st->st_size;
+ lvb->lvb_blocks = st->st_blocks;
+ lvb->lvb_mtime = st->st_mtime;
+ lvb->lvb_atime = st->st_atime;
+ lvb->lvb_ctime = st->st_ctime;
+}
+
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff