/* * 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.gnu.org/licenses/gpl-2.0.html * * GPL HEADER END */ /* * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * * Copyright (c) 2012, 2017, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ * Lustre is a trademark of Sun Microsystems, Inc. * * lustre/osd-zfs/osd_internal.h * Shared definitions and declarations for zfs/dmu osd * * Author: Alex Zhuravlev * Author: Mike Pershin * Author: Johann Lombardi */ #ifndef _OSD_INTERNAL_H #define _OSD_INTERNAL_H #include #include #include #include #include #ifdef SHRINK_STOP #undef SHRINK_STOP #endif #include #include #include #include #include #include #include /** * By design including kmem.h overrides the Linux slab interfaces to provide * the Illumos kmem cache interfaces. To override this and gain access to * the Linux interfaces these preprocessor macros must be undefined. */ #ifdef kmem_cache_destroy #undef kmem_cache_destroy #endif #ifdef kmem_cache_create #undef kmem_cache_create #endif #ifdef kmem_cache_alloc #undef kmem_cache_alloc #endif #ifdef kmem_cache_free #undef kmem_cache_free #endif #define ZFS_VERSION_CODE \ OBD_OCD_VERSION(ZFS_MAJOR, ZFS_MINOR, ZFS_PATCH, ZFS_FIX) #define LUSTRE_ROOT_FID_SEQ 0 #define DMU_OSD_SVNAME "svname" #define DMU_OSD_OI_NAME_BASE "oi" #define OSD_GFP_IO (GFP_NOFS | __GFP_HIGHMEM) /* Statfs space reservation for grant, fragmentation, and unlink space. */ #define OSD_STATFS_RESERVED_SIZE (16ULL << 20) /* reserve 16MB minimum */ #define OSD_STATFS_RESERVED_SHIFT (7) /* reserve 0.78% of all space */ /* Statfs {minimum, safe estimate, and maximum} dnodes per block */ #define OSD_DNODE_MIN_BLKSHIFT (DNODES_PER_BLOCK_SHIFT) #define OSD_DNODE_EST_BLKSHIFT (12) /* est 4KB/dnode */ #define OSD_DNODE_EST_COUNT 4096 #define OSD_GRANT_FOR_LOCAL_OIDS (2ULL << 20) /* 2MB for last_rcvd, ... */ #define OSD_MAX_CACHE_SIZE OBD_OBJECT_EOF #ifndef HAVE_ZFS_REFCOUNT_ADD #define zfs_refcount_add refcount_add #endif extern struct dt_body_operations osd_body_scrub_ops; /** * Iterator's in-memory data structure for quota file. */ struct osd_it_quota { struct osd_object *oiq_obj; /* DMU accounting object id */ uint64_t oiq_oid; /* ZAP cursor */ zap_cursor_t *oiq_zc; /** identifier for current quota record */ __u64 oiq_id; unsigned oiq_reset:1; /* 1 -- no need to advance */ }; enum osd_zap_pos { OZI_POS_INIT = 0, OZI_POS_DOT = 1, /* cursor at . */ OZI_POS_DOTDOT = 2, /* cursor at .. */ OZI_POS_REAL = 3, /* cursor at real entries */ }; /** * Iterator's in-memory data structure for ZAPs * * ZFS does not store . and .. on a disk, instead they are * generated up on request * to follow this format we do the same */ struct osd_zap_it { zap_cursor_t *ozi_zc; struct osd_object *ozi_obj; unsigned ozi_reset:1; /* 1 -- no need to advance */ /* ozi_pos - position of the cursor */ enum osd_zap_pos ozi_pos; union { char ozi_name[MAXNAMELEN]; /* file name for dir */ __u64 ozi_key; /* binary key for index files */ }; }; #define DT_IT2DT(it) (&((struct osd_zap_it *)it)->ozi_obj->oo_dt) /* * regular ZFS direntry */ struct zpl_direntry { uint64_t zde_dnode:48, zde_pad:12, zde_type:4; } __attribute__((packed)); /* * lustre direntry adds a fid to regular ZFS direntry */ struct luz_direntry { struct zpl_direntry lzd_reg; struct lu_fid lzd_fid; } __attribute__((packed)); /* cached SA attributes */ struct osa_attr { uint64_t mode; uint64_t gid; uint64_t uid; #ifdef ZFS_PROJINHERIT uint64_t projid; #endif uint64_t nlink; uint64_t rdev; uint64_t flags; uint64_t size; uint64_t atime[2]; uint64_t mtime[2]; uint64_t ctime[2]; }; #define OSD_INS_CACHE_SIZE 8 /* OI cache entry */ struct osd_idmap_cache { struct osd_device *oic_dev; struct lu_fid oic_fid; /** max 2^48 dnodes per dataset, avoid spilling into another word */ uint64_t oic_dnode:DN_MAX_OBJECT_SHIFT, oic_remote:1; /* FID isn't local */ }; struct osd_inconsistent_item { /* link into lustre_scrub::os_inconsistent_items, * protected by lustr_scrub::os_lock. */ struct list_head oii_list; /* The right FID <=> oid mapping. */ struct osd_idmap_cache oii_cache; unsigned int oii_insert:1; /* insert or update mapping. */ }; struct osd_otable_it { struct osd_device *ooi_dev; struct lu_fid ooi_fid; __u64 ooi_pos; __u64 ooi_prefetched_dnode; int ooi_prefetched; /* The following bits can be updated/checked w/o lock protection. * If more bits will be introduced in the future and need lock to * protect, please add comment. */ unsigned int ooi_used_outside:1, /* Some user out of OSD * uses the iteration. */ ooi_all_cached:1, /* No more entries can be * filled into cache. */ ooi_user_ready:1, /* The user out of OSD is * ready to iterate. */ ooi_waiting:1; /* it::next is waiting. */ }; extern const struct dt_index_operations osd_otable_ops; /* max.number of regular attributes the callers may ask for */ # define OSD_MAX_IN_BULK (sizeof(struct osa_attr)/sizeof(uint64_t)) struct osd_thread_info { const struct lu_env *oti_env; struct lu_fid oti_fid; struct ost_id oti_ostid; char oti_buf[64]; char oti_str[64]; union { char oti_key[MAXNAMELEN + 1]; __u64 oti_key64[(MAXNAMELEN + 1)/sizeof(__u64)]; sa_bulk_attr_t oti_attr_bulk[OSD_MAX_IN_BULK]; }; struct lustre_mdt_attrs oti_mdt_attrs; unsigned int oti_in_trans:1; struct lu_attr oti_la; struct osa_attr oti_osa; zap_attribute_t oti_za; zap_attribute_t oti_za2; dmu_object_info_t oti_doi; struct luz_direntry oti_zde; struct lquota_id_info oti_qi; struct lu_seq_range oti_seq_range; /* dedicated OI cache for insert (which needs inum) */ struct osd_idmap_cache *oti_ins_cache; int oti_ins_cache_size; int oti_ins_cache_used; /* inc by osd_trans_create and dec by osd_trans_stop */ int oti_ins_cache_depth; struct lu_buf oti_xattr_lbuf; zap_cursor_t oti_zc; zap_cursor_t oti_zc2; }; extern struct lu_context_key osd_key; static inline struct osd_thread_info *osd_oti_get(const struct lu_env *env) { return lu_context_key_get(&env->le_ctx, &osd_key); } struct osd_thandle { struct thandle ot_super; struct list_head ot_dcb_list; struct list_head ot_stop_dcb_list; struct list_head ot_unlinked_list; struct list_head ot_sa_list; dmu_tx_t *ot_tx; struct lquota_trans ot_quota_trans; __u32 ot_assigned:1; }; #define OSD_OI_NAME_SIZE 24 /* * Object Index (OI) instance. */ struct osd_oi { char oi_name[OSD_OI_NAME_SIZE]; uint64_t oi_zapid; dnode_t *oi_dn; }; struct osd_seq { uint64_t os_oid; uint64_t *os_compat_dirs; int os_subdir_count; /* subdir count for each seq */ u64 os_seq; /* seq number */ struct list_head os_seq_list; /* list to seq_list */ }; struct osd_seq_list { rwlock_t osl_seq_list_lock; /* lock for seq_list */ struct list_head osl_seq_list; /* list head for seq */ struct semaphore osl_seq_init_sem; }; #define OSD_OST_MAP_SIZE 32 /* * osd device. */ struct osd_device { /* super-class */ struct dt_device od_dt_dev; /* information about underlying file system */ struct objset *od_os; uint64_t od_rootid; /* id of root znode */ dnode_t *od_unlinked; /* dnode of unlinked zapobj */ /* SA attr mapping->id, * name is the same as in ZFS to use defines SA_ZPL_...*/ sa_attr_type_t *z_attr_table; struct proc_dir_entry *od_proc_entry; struct lprocfs_stats *od_stats; uint64_t od_remote_parent_dir; uint64_t od_index_backup_id; uint64_t od_max_blksz; uint64_t od_root; uint64_t od_O_id; struct osd_oi **od_oi_table; unsigned int od_oi_count; struct osd_seq_list od_seq_list; unsigned int od_dev_set_rdonly:1, /**< osd_ro() called */ od_prop_rdonly:1, /**< ZFS property readonly */ od_xattr_in_sa:1, od_is_ost:1, od_in_init:1, od_posix_acl:1, od_nonrotational:1; unsigned int od_dnsize; int od_index_backup_stop; enum lustre_index_backup_policy od_index_backup_policy; char od_mntdev[128]; char od_svname[128]; uuid_t od_uuid; int od_connects; int od_index; __s64 od_auto_scrub_interval; struct lu_site od_site; dnode_t *od_groupused_dn; dnode_t *od_userused_dn; #ifdef ZFS_PROJINHERIT dnode_t *od_projectused_dn; #endif /* quota slave instance for inode */ struct qsd_instance *od_quota_slave_md; /* quota slave instance for block */ struct qsd_instance *od_quota_slave_dt; struct brw_stats od_brw_stats; atomic_t od_r_in_flight; atomic_t od_w_in_flight; /* used to debug zerocopy logic: the fields track all * allocated, loaned and referenced buffers in use. * to be removed once the change is tested well. */ atomic_t od_zerocopy_alloc; atomic_t od_zerocopy_loan; atomic_t od_zerocopy_pin; arc_prune_t *arc_prune_cb; /* osd seq instance */ struct lu_client_seq *od_cl_seq; struct semaphore od_otable_sem; struct osd_otable_it *od_otable_it; struct lustre_scrub od_scrub; struct list_head od_ios_list; struct list_head od_index_backup_list; struct list_head od_index_restore_list; spinlock_t od_lock; unsigned long long od_readcache_max_filesize; }; static inline struct qsd_instance *osd_def_qsd(struct osd_device *osd) { if (osd->od_is_ost) return osd->od_quota_slave_dt; else return osd->od_quota_slave_md; } enum osd_destroy_type { OSD_DESTROY_NONE = 0, OSD_DESTROY_SYNC = 1, OSD_DESTROY_ASYNC = 2, }; struct osd_object { struct dt_object oo_dt; /* * Inode for file system object represented by this osd_object. This * inode is pinned for the whole duration of lu_object life. * * Not modified concurrently (either setup early during object * creation, or assigned by osd_create() under write lock). */ dnode_t *oo_dn; sa_handle_t *oo_sa_hdl; nvlist_t *oo_sa_xattr; struct list_head oo_sa_linkage; /* used to implement osd_object_*_{lock|unlock} */ struct rw_semaphore oo_sem; /* to serialize some updates: destroy vs. others, * xattr_set, object block size change etc */ struct rw_semaphore oo_guard; /* protected by oo_guard */ struct list_head oo_unlinked_linkage; /* cached attributes */ rwlock_t oo_attr_lock; struct lu_attr oo_attr; /* external dnode holding large EAs, protected by oo_guard */ uint64_t oo_xattr; enum osd_destroy_type oo_destroy; __u32 oo_destroyed:1, oo_late_xattr:1, #ifdef ZFS_PROJINHERIT oo_with_projid:1, #endif oo_late_attr_set:1, oo_pfid_in_lma:1; /* the i_flags in LMA */ __u32 oo_lma_flags; union { int oo_ea_in_bonus; /* EA bytes we expect */ struct { /* record size for index file */ unsigned char oo_keysize; unsigned char oo_recsize; unsigned char oo_recusize; /* unit size */ }; uint64_t oo_parent; /* used only at object creation */ }; struct lu_object_header *oo_header; }; int osd_statfs(const struct lu_env *, struct dt_device *, struct obd_statfs *); extern const struct dt_index_operations osd_acct_index_ops; extern struct lu_device_operations osd_lu_ops; extern struct dt_index_operations osd_dir_ops; int osd_declare_quota(const struct lu_env *env, struct osd_device *osd, qid_t uid, qid_t gid, qid_t projid, long long space, struct osd_thandle *oh, int *flags, enum osd_qid_declare_flags osd_qid_declare_flags); uint64_t osd_objs_count_estimate(uint64_t refdbytes, uint64_t usedobjs, uint64_t nrblocks, uint64_t est_maxblockshift); int osd_unlinked_object_free(const struct lu_env *env, struct osd_device *osd, uint64_t oid); /* * Helpers. */ static inline int lu_device_is_osd(const struct lu_device *d) { return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osd_lu_ops); } static inline struct osd_object *osd_obj(const struct lu_object *o) { LASSERT(lu_device_is_osd(o->lo_dev)); return container_of0(o, struct osd_object, oo_dt.do_lu); } static inline struct osd_device *osd_dt_dev(const struct dt_device *d) { LASSERT(lu_device_is_osd(&d->dd_lu_dev)); return container_of0(d, struct osd_device, od_dt_dev); } static inline struct osd_device *osd_dev(const struct lu_device *d) { LASSERT(lu_device_is_osd(d)); return osd_dt_dev(container_of0(d, struct dt_device, dd_lu_dev)); } static inline struct osd_object *osd_dt_obj(const struct dt_object *d) { return osd_obj(&d->do_lu); } static inline struct osd_device *osd_obj2dev(const struct osd_object *o) { return osd_dev(o->oo_dt.do_lu.lo_dev); } static inline struct lu_device *osd2lu_dev(struct osd_device *osd) { return &osd->od_dt_dev.dd_lu_dev; } static inline struct objset * osd_dtobj2objset(struct dt_object *o) { return osd_dev(o->do_lu.lo_dev)->od_os; } static inline int osd_invariant(const struct osd_object *obj) { return 1; } /** * Put the osd object once done with it. * * \param obj osd object that needs to be put */ static inline void osd_object_put(const struct lu_env *env, struct osd_object *obj) { dt_object_put(env, &obj->oo_dt); } static inline int osd_object_invariant(const struct lu_object *l) { return osd_invariant(osd_obj(l)); } static inline struct seq_server_site *osd_seq_site(struct osd_device *osd) { return osd->od_dt_dev.dd_lu_dev.ld_site->ld_seq_site; } static inline char *osd_name(struct osd_device *osd) { return osd->od_svname; } static inline void zfs_set_bit(int nr, __u8 *addr) { set_bit(nr, (unsigned long *)addr); } static inline int zfs_test_bit(int nr, __u8 *addr) { return test_bit(nr, (const unsigned long *)addr); } static inline int osd_oi_fid2idx(struct osd_device *dev, const struct lu_fid *fid) { return fid->f_seq & (dev->od_oi_count - 1); } static inline struct osd_oi *osd_fid2oi(struct osd_device *osd, const struct lu_fid *fid) { LASSERTF(osd->od_oi_table && osd->od_oi_count >= 1, "%s: "DFID", oi_count %d\n", osd_name(osd), PFID(fid), osd->od_oi_count); return osd->od_oi_table[osd_oi_fid2idx(osd, fid)]; } #ifdef CONFIG_PROC_FS enum { LPROC_OSD_READ_BYTES = 0, LPROC_OSD_WRITE_BYTES = 1, LPROC_OSD_GET_PAGE = 2, LPROC_OSD_NO_PAGE = 3, LPROC_OSD_CACHE_ACCESS = 4, LPROC_OSD_CACHE_HIT = 5, LPROC_OSD_CACHE_MISS = 6, LPROC_OSD_COPY_IO = 7, LPROC_OSD_ZEROCOPY_IO = 8, LPROC_OSD_TAIL_IO = 9, LPROC_OSD_LAST, }; extern struct kmem_cache *osd_zapit_cachep; /* osd_lproc.c */ extern struct lprocfs_vars lprocfs_osd_obd_vars[]; int osd_procfs_init(struct osd_device *osd, const char *name); int osd_procfs_fini(struct osd_device *osd); /* osd_object.c */ extern char *osd_obj_tag; int __osd_obj2dnode(objset_t *os, uint64_t oid, dnode_t **dnp); void osd_object_sa_dirty_rele(const struct lu_env *env, struct osd_thandle *oh); void osd_object_sa_dirty_add(struct osd_object *obj, struct osd_thandle *oh); int __osd_obj2dbuf(const struct lu_env *env, objset_t *os, uint64_t oid, dmu_buf_t **dbp); struct lu_object *osd_object_alloc(const struct lu_env *env, const struct lu_object_header *hdr, struct lu_device *d); int osd_object_sa_update(struct osd_object *obj, sa_attr_type_t type, void *buf, uint32_t buflen, struct osd_thandle *oh); int __osd_zap_create(const struct lu_env *env, struct osd_device *osd, dnode_t **zap_dnp, dmu_tx_t *tx, struct lu_attr *la, unsigned dnsize, zap_flags_t flags); int __osd_object_create(const struct lu_env *env, struct osd_device *osd, struct osd_object *obj, const struct lu_fid *fid, dnode_t **dnp, dmu_tx_t *tx, struct lu_attr *la); int __osd_attr_init(const struct lu_env *env, struct osd_device *osd, struct osd_object *obj, sa_handle_t *sa_hdl, dmu_tx_t *tx, struct lu_attr *la, uint64_t parent, nvlist_t *); int osd_find_new_dnode(const struct lu_env *env, dmu_tx_t *tx, uint64_t oid, dnode_t **dnp); /* osd_oi.c */ int osd_oi_init(const struct lu_env *env, struct osd_device *o); void osd_oi_fini(const struct lu_env *env, struct osd_device *o); int osd_fid_lookup(const struct lu_env *env, struct osd_device *, const struct lu_fid *, uint64_t *); uint64_t osd_get_name_n_idx(const struct lu_env *env, struct osd_device *osd, const struct lu_fid *fid, char *buf, int bufsize, dnode_t **zdn); int osd_options_init(void); int osd_ost_seq_exists(const struct lu_env *env, struct osd_device *osd, __u64 seq); int osd_idc_find_and_init(const struct lu_env *env, struct osd_device *osd, struct osd_object *obj); struct osd_idmap_cache *osd_idc_find_or_init(const struct lu_env *env, struct osd_device *osd, const struct lu_fid *fid); struct osd_idmap_cache *osd_idc_find(const struct lu_env *env, struct osd_device *osd, const struct lu_fid *fid); int osd_idc_find_and_init_with_oid(const struct lu_env *env, struct osd_device *osd, const struct lu_fid *fid, uint64_t oid); int fid_is_on_ost(const struct lu_env *env, struct osd_device *osd, const struct lu_fid *fid); int osd_obj_find_or_create(const struct lu_env *env, struct osd_device *o, uint64_t parent, const char *name, uint64_t *child, const struct lu_fid *fid, bool isdir); extern unsigned int osd_oi_count; /* osd_index.c */ int osd_get_fid_by_oid(const struct lu_env *env, struct osd_device *osd, uint64_t oid, struct lu_fid *fid); int osd_index_try(const struct lu_env *env, struct dt_object *dt, const struct dt_index_features *feat); int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd, u64 seq, struct lu_seq_range *range); void osd_zap_cursor_init_serialized(zap_cursor_t *zc, struct objset *os, uint64_t id, uint64_t dirhash); int osd_zap_cursor_init(zap_cursor_t **zc, struct objset *os, uint64_t id, uint64_t dirhash); void osd_zap_cursor_fini(zap_cursor_t *zc); uint64_t osd_zap_cursor_serialize(zap_cursor_t *zc); int osd_remote_fid(const struct lu_env *env, struct osd_device *osd, const struct lu_fid *fid); int osd_add_to_remote_parent(const struct lu_env *env, struct osd_device *osd, struct osd_object *obj, struct osd_thandle *oh); int osd_delete_from_remote_parent(const struct lu_env *env, struct osd_device *osd, struct osd_object *obj, struct osd_thandle *oh, bool destroy); int __osd_xattr_load_by_oid(struct osd_device *osd, uint64_t oid, nvlist_t **sa); /* osd_scrub.c */ int osd_scrub_setup(const struct lu_env *env, struct osd_device *dev); void osd_scrub_cleanup(const struct lu_env *env, struct osd_device *dev); int osd_scrub_start(const struct lu_env *env, struct osd_device *dev, __u32 flags); void osd_scrub_stop(struct osd_device *dev); int osd_oii_insert(const struct lu_env *env, struct osd_device *dev, const struct lu_fid *fid, uint64_t oid, bool insert); int osd_oii_lookup(struct osd_device *dev, const struct lu_fid *fid, uint64_t *oid); /* osd_xattr.c */ int __osd_sa_xattr_schedule_update(const struct lu_env *env, struct osd_object *obj, struct osd_thandle *oh); int __osd_sa_attr_init(const struct lu_env *env, struct osd_object *obj, struct osd_thandle *oh); int __osd_sa_xattr_update(const struct lu_env *env, struct osd_object *obj, struct osd_thandle *oh); int __osd_xattr_load(struct osd_device *osd, sa_handle_t *hdl, nvlist_t **sa); int __osd_xattr_get_large(const struct lu_env *env, struct osd_device *osd, uint64_t xattr, struct lu_buf *buf, const char *name, int *sizep); int osd_xattr_get_internal(const struct lu_env *env, struct osd_object *obj, struct lu_buf *buf, const char *name, int *sizep); int osd_xattr_get(const struct lu_env *env, struct dt_object *dt, struct lu_buf *buf, const char *name); int osd_declare_xattr_set(const struct lu_env *env, struct dt_object *dt, const struct lu_buf *buf, const char *name, int fl, struct thandle *handle); int osd_xattr_set(const struct lu_env *env, struct dt_object *dt, const struct lu_buf *buf, const char *name, int fl, struct thandle *handle); int osd_declare_xattr_del(const struct lu_env *env, struct dt_object *dt, const char *name, struct thandle *handle); int osd_xattr_del(const struct lu_env *env, struct dt_object *dt, const char *name, struct thandle *handle); void osd_declare_xattrs_destroy(const struct lu_env *env, struct osd_object *obj, struct osd_thandle *oh); int osd_xattrs_destroy(const struct lu_env *env, struct osd_object *obj, struct osd_thandle *oh); int osd_xattr_list(const struct lu_env *env, struct dt_object *dt, const struct lu_buf *lb); void __osd_xattr_declare_set(const struct lu_env *env, struct osd_object *obj, int vallen, const char *name, struct osd_thandle *oh); int __osd_sa_xattr_set(const struct lu_env *env, struct osd_object *obj, const struct lu_buf *buf, const char *name, int fl, struct osd_thandle *oh);; int __osd_xattr_set(const struct lu_env *env, struct osd_object *obj, const struct lu_buf *buf, const char *name, int fl, struct osd_thandle *oh); int __osd_sa_xattr_update(const struct lu_env *env, struct osd_object *obj, struct osd_thandle *oh); #define OSD_BASE_EA_IN_BONUS (ZFS_SA_BASE_ATTR_SIZE + \ sizeof(__u64) /* VBR VERSION */ + \ sizeof(struct lustre_mdt_attrs) /* LMA */) #ifdef HAVE_DMU_OBJECT_ALLOC_DNSIZE int osd_find_dnsize(struct osd_device *osd, int ea_in_bonus); #else static inline int osd_find_dnsize(struct osd_device *osd, int ea_in_bonus) { return DN_MAX_BONUSLEN; } #endif static inline int osd_object_is_zap(dnode_t *dn) { return (dn->dn_type == DMU_OT_DIRECTORY_CONTENTS || dn->dn_type == DMU_OT_USERGROUP_USED); } /* XXX: f_ver is not counted, but may differ too */ static inline void osd_fid2str(char *buf, const struct lu_fid *fid, int len) { snprintf(buf, len, DFID_NOBRACE, PFID(fid)); } static inline int osd_xattr_set_internal(const struct lu_env *env, struct osd_object *obj, const struct lu_buf *buf, const char *name, int fl, struct osd_thandle *oh) { int rc; if (unlikely(!dt_object_exists(&obj->oo_dt) || obj->oo_destroyed)) return -ENOENT; LASSERT(obj->oo_dn); if (osd_obj2dev(obj)->od_xattr_in_sa) { rc = __osd_sa_xattr_set(env, obj, buf, name, fl, oh); if (rc == -EFBIG) rc = __osd_xattr_set(env, obj, buf, name, fl, oh); } else { rc = __osd_xattr_set(env, obj, buf, name, fl, oh); } return rc; } static inline uint64_t attrs_fs2zfs(const uint32_t flags) { return (flags & LUSTRE_APPEND_FL ? ZFS_APPENDONLY : 0) | (flags & LUSTRE_NODUMP_FL ? ZFS_NODUMP : 0) | #ifdef ZFS_PROJINHERIT (flags & LUSTRE_PROJINHERIT_FL ? ZFS_PROJINHERIT : 0) | #endif (flags & LUSTRE_IMMUTABLE_FL ? ZFS_IMMUTABLE : 0); } static inline uint32_t attrs_zfs2fs(const uint64_t flags) { return (flags & ZFS_APPENDONLY ? LUSTRE_APPEND_FL : 0) | (flags & ZFS_NODUMP ? LUSTRE_NODUMP_FL : 0) | #ifdef ZFS_PROJINHERIT (flags & ZFS_PROJINHERIT ? LUSTRE_PROJINHERIT_FL : 0) | #endif (flags & ZFS_IMMUTABLE ? LUSTRE_IMMUTABLE_FL : 0); } #endif #ifndef HAVE_DSL_POOL_CONFIG static inline void dsl_pool_config_enter(dsl_pool_t *dp, char *name) { } static inline void dsl_pool_config_exit(dsl_pool_t *dp, char *name) { } #endif #ifdef HAVE_SPA_MAXBLOCKSIZE #define osd_spa_maxblocksize(spa) spa_maxblocksize(spa) #define osd_spa_maxblockshift(spa) fls64(spa_maxblocksize(spa) - 1) #else #define osd_spa_maxblocksize(spa) SPA_MAXBLOCKSIZE #define osd_spa_maxblockshift(spa) SPA_MAXBLOCKSHIFT #define SPA_OLD_MAXBLOCKSIZE SPA_MAXBLOCKSIZE #endif #ifdef HAVE_SA_SPILL_ALLOC static inline void * osd_zio_buf_alloc(size_t size) { return sa_spill_alloc(KM_SLEEP); } static inline void osd_zio_buf_free(void *buf, size_t size) { sa_spill_free(buf); } #else #define osd_zio_buf_alloc(size) zio_buf_alloc(size) #define osd_zio_buf_free(buf, size) zio_buf_free(buf, size) #endif #ifdef HAVE_DMU_OBJECT_ALLOC_DNSIZE static inline uint64_t osd_dmu_object_alloc(objset_t *os, dmu_object_type_t objtype, int blocksize, int dnodesize, dmu_tx_t *tx) { if (dnodesize == 0) dnodesize = MAX(dmu_objset_dnodesize(os), DNODE_MIN_SIZE); return dmu_object_alloc_dnsize(os, objtype, blocksize, DMU_OT_SA, DN_BONUS_SIZE(dnodesize), dnodesize, tx); } static inline uint64_t osd_zap_create_flags(objset_t *os, int normflags, zap_flags_t flags, dmu_object_type_t ot, int leaf_blockshift, int indirect_blockshift, int dnodesize, dmu_tx_t *tx) { if (dnodesize == 0) dnodesize = MAX(dmu_objset_dnodesize(os), DNODE_MIN_SIZE); return zap_create_flags_dnsize(os, normflags, flags, ot, leaf_blockshift, indirect_blockshift, DMU_OT_SA, DN_BONUS_SIZE(dnodesize), dnodesize, tx); } static inline int osd_obj_bonuslen(struct osd_object *obj) { int bonuslen = DN_BONUS_SIZE(DNODE_MIN_SIZE); if (obj->oo_dn != NULL && obj->oo_dn->dn_num_slots != 0) { bonuslen = DN_SLOTS_TO_BONUSLEN(obj->oo_dn->dn_num_slots); } else { objset_t *os = osd_dtobj2objset(&obj->oo_dt); int dnodesize; if (os != NULL) { dnodesize = dmu_objset_dnodesize(os); if (dnodesize != 0) bonuslen = DN_BONUS_SIZE(dnodesize); } } return bonuslen; } #else static inline uint64_t osd_dmu_object_alloc(objset_t *os, dmu_object_type_t objtype, int blocksize, int dnodesize, dmu_tx_t *tx) { return dmu_object_alloc(os, objtype, blocksize, DMU_OT_SA, DN_MAX_BONUSLEN, tx); } static inline uint64_t osd_zap_create_flags(objset_t *os, int normflags, zap_flags_t flags, dmu_object_type_t ot, int leaf_blockshift, int indirect_blockshift, int dnodesize, dmu_tx_t *tx) { return zap_create_flags(os, normflags, flags, ot, leaf_blockshift, indirect_blockshift, DMU_OT_SA, DN_MAX_BONUSLEN, tx); } static inline int osd_obj_bonuslen(struct osd_object *obj) { return DN_MAX_BONUSLEN; } #endif /* HAVE_DMU_OBJECT_ALLOC_DNSIZE */ #ifdef HAVE_DMU_PREFETCH_6ARG #define osd_dmu_prefetch(os, obj, lvl, off, len, pri) \ dmu_prefetch((os), (obj), (lvl), (off), (len), (pri)) #else #define osd_dmu_prefetch(os, obj, lvl, off, len, pri) \ dmu_prefetch((os), (obj), (lvl), (off)) #endif static inline int osd_sa_handle_get(struct osd_object *obj) { struct osd_device *osd = osd_obj2dev(obj); dnode_t *dn = obj->oo_dn; int rc; if (obj->oo_sa_hdl) return 0; dbuf_read(dn->dn_bonus, NULL, DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH); rc = -sa_handle_get_from_db(osd->od_os, &dn->dn_bonus->db, obj, SA_HDL_PRIVATE, &obj->oo_sa_hdl); if (rc) return rc; zfs_refcount_add(&dn->dn_bonus->db_holds, osd_obj_tag); return 0; } static inline void osd_dnode_rele(dnode_t *dn) { dmu_buf_impl_t *db; LASSERT(dn); LASSERT(dn->dn_bonus); db = dn->dn_bonus; DB_DNODE_EXIT(db); dmu_buf_rele(&db->db, osd_obj_tag); } #ifdef HAVE_DMU_USEROBJ_ACCOUNTING #define OSD_DMU_USEROBJ_PREFIX DMU_OBJACCT_PREFIX #define OSD_DMU_USEROBJ_PREFIX_LEN DMU_OBJACCT_PREFIX_LEN static inline bool osd_dmu_userobj_accounting_available(struct osd_device *osd) { return dmu_objset_userobjspace_present(osd->od_os); } #else #define OSD_DMU_USEROBJ_PREFIX "obj-" #define OSD_DMU_USEROBJ_PREFIX_LEN 4 static inline bool osd_dmu_userobj_accounting_available(struct osd_device *osd) { return false; } #endif /* #ifdef HAVE_DMU_USEROBJ_ACCOUNTING */ static inline int osd_zap_add(struct osd_device *osd, uint64_t zap, dnode_t *dn, const char *key, int int_size, int int_num, const void *val, dmu_tx_t *tx) { LASSERT(zap != 0); #ifdef HAVE_ZAP_ADD_BY_DNODE if (dn) return -zap_add_by_dnode(dn, key, int_size, int_num, val, tx); #endif return -zap_add(osd->od_os, zap, key, int_size, int_num, val, tx); } static inline int osd_zap_remove(struct osd_device *osd, uint64_t zap, dnode_t *dn, const char *key, dmu_tx_t *tx) { LASSERT(zap != 0); #ifdef HAVE_ZAP_ADD_BY_DNODE if (dn) return -zap_remove_by_dnode(dn, key, tx); #endif return -zap_remove(osd->od_os, zap, key, tx); } static inline int osd_zap_lookup(struct osd_device *osd, uint64_t zap, dnode_t *dn, const char *key, int int_size, int int_num, void *v) { LASSERT(zap != 0); #ifdef HAVE_ZAP_ADD_BY_DNODE if (dn) return -zap_lookup_by_dnode(dn, key, int_size, int_num, v); #endif return -zap_lookup(osd->od_os, zap, key, int_size, int_num, v); } static inline void osd_tx_hold_zap(dmu_tx_t *tx, uint64_t zap, dnode_t *dn, int add, const char *name) { #ifdef HAVE_DMU_TX_HOLD_ZAP_BY_DNODE if (dn) { dmu_tx_hold_zap_by_dnode(tx, dn, add, name); return; } #endif dmu_tx_hold_zap(tx, zap, add, name); } static inline void osd_tx_hold_write(dmu_tx_t *tx, uint64_t oid, dnode_t *dn, uint64_t off, int len) { #ifdef HAVE_DMU_TX_HOLD_ZAP_BY_DNODE if (dn) { dmu_tx_hold_write_by_dnode(tx, dn, off, len); return; } #endif dmu_tx_hold_write(tx, oid, off, len); } static inline void osd_dmu_write(struct osd_device *osd, dnode_t *dn, uint64_t offset, uint64_t size, const char *buf, dmu_tx_t *tx) { LASSERT(dn); #ifdef HAVE_DMU_WRITE_BY_DNODE dmu_write_by_dnode(dn, offset, size, buf, tx); #else dmu_write(osd->od_os, dn->dn_object, offset, size, buf, tx); #endif } static inline int osd_dmu_read(struct osd_device *osd, dnode_t *dn, uint64_t offset, uint64_t size, char *buf, int flags) { LASSERT(dn); #ifdef HAVE_DMU_READ_BY_DNODE return -dmu_read_by_dnode(dn, offset, size, buf, flags); #else return -dmu_read(osd->od_os, dn->dn_object, offset, size, buf, flags); #endif } #ifdef HAVE_DMU_OBJSET_OWN_6ARG #define osd_dmu_objset_own(name, type, ronly, decrypt, tag, os) \ dmu_objset_own((name), (type), (ronly), (decrypt), (tag), (os)) #else #define osd_dmu_objset_own(name, type, ronly, decrypt, tag, os) \ dmu_objset_own((name), (type), (ronly), (tag), (os)) #endif #ifdef HAVE_DMU_OBJSET_DISOWN_3ARG #define osd_dmu_objset_disown(os, decrypt, tag) \ dmu_objset_disown((os), (decrypt), (tag)) #else #define osd_dmu_objset_disown(os, decrypt, tag) \ dmu_objset_disown((os), (tag)) #endif static inline int osd_index_register(struct osd_device *osd, const struct lu_fid *fid, __u32 keysize, __u32 recsize) { return lustre_index_register(&osd->od_dt_dev, osd_name(osd), &osd->od_index_backup_list, &osd->od_lock, &osd->od_index_backup_stop, fid, keysize, recsize); } static inline void osd_index_backup(const struct lu_env *env, struct osd_device *osd, bool backup) { struct lu_fid *fid = &osd_oti_get(env)->oti_fid; int rc; lu_local_obj_fid(fid, INDEX_BACKUP_OID); rc = osd_idc_find_and_init_with_oid(env, osd, fid, osd->od_index_backup_id); if (rc) backup = false; lustre_index_backup(env, &osd->od_dt_dev, osd_name(osd), &osd->od_index_backup_list, &osd->od_lock, &osd->od_index_backup_stop, backup); } #ifndef HAVE_DMU_TX_MARK_NETFREE #define dmu_tx_mark_netfree(tx) #endif #ifndef HAVE_ZFS_INODE_TIMESPEC #define inode_timespec_t timestruc_t #endif #endif /* _OSD_INTERNAL_H */