Viewing: osd_internal.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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/
*
* Shared definitions and declarations for zfs/dmu osd
*
* Author: Alex Zhuravlev <bzzz@whamcloud.com>
* Author: Mike Pershin <tappro@whamcloud.com>
* Author: Johann Lombardi <johann@whamcloud.com>
*/
#ifndef _OSD_INTERNAL_H
#define _OSD_INTERNAL_H
#include <lustre_compat/linux/fs.h>
#include <linux/refcount.h>
#include <dt_object.h>
#include <md_object.h>
#include <lustre_quota.h>
#include <lustre_scrub.h>
#include <obd.h>
#ifdef SHRINK_STOP
#undef SHRINK_STOP
#endif
#include <sys/arc.h>
#include <sys/nvpair.h>
#include <sys/zfs_refcount.h>
#include <sys/zfs_znode.h>
#include <sys/zap.h>
#include <sys/dbuf.h>
#include <sys/dmu_objset.h>
#include <lustre_scrub.h>
/**
* 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
/* Default FatZAP leaf block shift: 2^13 = 8K */
#define OSD_FZAP_BLOCKSHIFT_DEFAULT 13
extern const struct dt_body_operations osd_body_scrub_ops;
extern const struct dt_body_operations osd_body_ops;
extern struct kmem_cache *osd_object_kmem;
/**
* 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 */
};
/*
* 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));
/**
* 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;
struct luz_direntry ozi_zde;
zap_attribute_t ozi_za;
#ifdef ZAP_MAXNAMELEN_NEW
/* flexible array: zap_attribute_t.za_name[], ensure space allocated */
char ozi_za_name_buffer[MAXNAMELEN];
#endif
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)
/* 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];
uint64_t btime[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;
#ifdef ZAP_MAXNAMELEN_NEW
/* flexible array: zap_attribute_t.za_name[], ensure space allocated */
char oti_za_name_buffer[MAXNAMELEN];
#endif
zap_attribute_t oti_za2;
#ifdef ZAP_MAXNAMELEN_NEW
/* flexible array: zap_attribute_t.za_name[], ensure space allocated */
char oti_za2_name_buffer[MAXNAMELEN];
#endif
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;
char *oti_seq_name;
char *oti_dir_name;
uint64_t oti_lastid_oid;
/* just for fake RW now */
struct page **oti_dio_pages;
int oti_dio_pages_used;
};
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;
__u64 ot_txg;
__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
#define OSD_TXG_MAP_SIZE 8
#define OSD_TXG_MAP_MASK (OSD_TXG_MAP_SIZE-1)
/*
* 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 same as in ZFS (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_min_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,
od_sync_on_lseek:1;
unsigned int od_dnsize;
/* blockshift controls ZFS FatZAP leaf block size.
* Actual block size = 2^N bytes.
*/
int od_fzap_blockshift;
int od_index_backup_stop;
enum lustre_index_backup_policy od_index_backup_policy;
char od_mntdev[128];
char od_svname[128];
guid_t od_uuid;
atomic_t od_connects;
int od_index;
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;
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;
/* slots to track per-txg commit callbacks */
atomic_t od_commit_cb_in_txg[OSD_TXG_MAP_SIZE];
wait_queue_head_t od_commit_cb_waitq;
/* last seen txg, used to count commit callbacks in a specific slot */
atomic64_t od_last_txg;
};
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,
};
#define OSD_MAX_DBUFS 2 /* how many dbufs to cache in object */
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;
/* 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,
oo_lmv_updated:1;
/* the i_flags in LMA */
__u32 oo_lma_flags;
__u32 oo_next_blocksize;
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;
dmu_buf_t *oo_dbs[OSD_MAX_DBUFS];
};
int osd_statfs(const struct lu_env *env, struct dt_device *dt,
struct obd_statfs *obd_statfs, struct obd_statfs_info *osi);
extern const struct dt_index_operations osd_acct_index_ops;
extern const struct lu_device_operations osd_lu_ops;
extern const 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,
enum osd_quota_local_flags *local_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_of(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_of(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_of(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);
void 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 int 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 *list);
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, bool reset);
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 *osd, const struct lu_fid *lufid,
uint64_t *oid);
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,
time64_t interval, bool resetoi);
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);
int osd_last_seq_get(const struct lu_env *env, struct dt_device *dt,
__u64 *seq);
/**
* Basic transaction credit op
*/
enum dt_txn_op {
DTO_INDEX_INSERT,
DTO_INDEX_DELETE,
DTO_INDEX_UPDATE,
DTO_NR
};
int osd_scrub_refresh_mapping(const struct lu_env *env,
struct osd_device *dev,
const struct lu_fid *fid,
uint64_t oid, enum dt_txn_op ops,
bool force, const char *name);
/* 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_lma(const struct lu_env *env, struct osd_object *obj,
struct lu_buf *buf);
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_attr *attr,
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 */)
int osd_find_dnsize(struct osd_device *osd, int ea_in_bonus);
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
#define ZFS_OSD_USER_USER_MODIFIABLE (LUSTRE_APPEND_FL | \
LUSTRE_NODUMP_FL | \
LUSTRE_PROJINHERIT_FL | \
LUSTRE_IMMUTABLE_FL)
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_t(int, 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_t(int, 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;
}
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;
dmu_buf_rele(&db->db, osd_obj_tag);
}
static inline uint64_t osd_db_dirty_txg(dmu_buf_impl_t *db)
{
dbuf_dirty_record_t *dr;
uint64_t txg = 0;
mutex_enter(&db->db_mtx);
dr = list_head(&db->db_dirty_records);
if (dr != NULL)
txg = dr->dr_txg;
mutex_exit(&db->db_mtx);
return txg;
}
static inline bool osd_dmu_userobj_accounting_available(struct osd_device *osd)
{
return dmu_objset_userobjspace_present(osd->od_os);
}
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);
if (dn)
return -zap_add_by_dnode(dn, key, int_size, int_num, val, tx);
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);
if (dn)
return -zap_remove_by_dnode(dn, key, tx);
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);
if (dn)
return -zap_lookup_by_dnode(dn, key, int_size, int_num, v);
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)
{
if (dn) {
dmu_tx_hold_zap_by_dnode(tx, dn, add, name);
return;
}
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)
{
if (dn) {
dmu_tx_hold_write_by_dnode(tx, dn, off, len);
return;
}
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);
ll_dmu_write_by_dnode(dn, offset, size, buf, tx, 0);
}
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);
return -dmu_read_by_dnode(dn, offset, size, buf, flags);
}
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);
}
#ifdef HAVE_DMU_OFFSET_NEXT
#define osd_dmu_offset_next(os, obj, hole, res) \
dmu_offset_next((os), (obj), (hole), (res))
#else
#define osd_dmu_offset_next(os, obj, hole, res) (EOPNOTSUPP)
#endif
extern char osd_0copy_tag[];
#endif /* _OSD_INTERNAL_H */
