X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fliblustre%2Fllite_lib.h;h=8eadab8c641524b7b0067e981979a1b533027074;hb=0d8a372d30572077fbf943c7d3f32e3d5d7ee3d5;hp=5908ef5220c47344d5771f9268b4c51c70c2af19;hpb=164bf598e3e4f738cb31e8422904de6dc614a2f0;p=fs%2Flustre-release.git diff --git a/lustre/liblustre/llite_lib.h b/lustre/liblustre/llite_lib.h index 5908ef5..8eadab8 100644 --- a/lustre/liblustre/llite_lib.h +++ b/lustre/liblustre/llite_lib.h @@ -1,83 +1,114 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * GPL HEADER START * - * Lustre Light Super operations + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * Copyright (c) 2002, 2003 Cluster File Systems, Inc. + * 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 file is part of Lustre, http://www.lustre.org. + * 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). * - * 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. + * 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 * - * 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. + * 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. * - * 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. + * 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 +#include +#include +#ifdef HAVE_XTIO_H +#include +#endif +#include +#include +#include +#ifdef HAVE_FILE_H +#include +#endif #include -#include -#include -#include -#include +#include +#include +#include +#include +#include #include #include -#define PAGE_CACHE_MAXBYTES ((__u64)(~0UL) << PAGE_CACHE_SHIFT) +/* for struct cl_lock_descr and struct cl_io */ +#include +#include +/* 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 ccc_grouplock fd_grouplock; }; -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; + 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 -#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; @@ -86,50 +117,16 @@ struct llu_inode_info { * was opened several times without close, we track an * open_count here */ struct ll_file_data *lli_file_data; + bool lli_has_smd; + 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; + 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) @@ -142,6 +139,18 @@ static inline struct llu_inode_info *llu_i2info(struct inode *inode) 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; @@ -149,29 +158,31 @@ static inline struct llu_sb_info *llu_i2sbi(struct inode *inode) 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) @@ -181,17 +192,18 @@ do { \ \ 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 { @@ -200,43 +212,14 @@ 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; @@ -244,72 +227,67 @@ static inline __u64 ll_file_maxbytes(struct inode *inode) 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, - 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 lov_stripe_md *lsm); +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; /* 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); 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); +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_som_update(struct inode *inode, struct md_op_data *op_data); 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); +void llu_ioepoch_open(struct llu_inode_info *lli, __u64 ioepoch); /* 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_glimpse_size(struct inode *inode); 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, @@ -318,13 +296,17 @@ 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) @@ -347,4 +329,119 @@ static inline struct ext2_dirent *ext2_next_entry(struct ext2_dirent *p) 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_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; +} + +#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) +{ +} + +static inline void cl_isize_unlock(struct inode *inode) +{ +} + +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