/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
- */
-/*
- * Copyright (c) 2011, 2012 Whamcloud, Inc.
- * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define _OSD_INTERNAL_H
#include <dt_object.h>
-#include <lquota.h>
+#include <md_object.h>
+#include <lustre_quota.h>
+#ifdef SHRINK_STOP
+#undef SHRINK_STOP
+#endif
#include <sys/arc.h>
-
#include <sys/nvpair.h>
+#include <sys/zfs_znode.h>
+#include <sys/zap.h>
-#include "udmu.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 LUSTRE_ROOT_FID_SEQ 0
#define DMU_OSD_SVNAME "svname"
#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 (DNODES_PER_BLOCK_SHIFT >> 1)
+#define OSD_DNODE_EST_COUNT 1024
+
+#define OSD_GRANT_FOR_LOCAL_OIDS (2ULL << 20) /* 2MB for last_rcvd, ... */
+
/**
* Iterator's in-memory data structure for quota file.
*/
/**
* 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;
- struct lustre_capa *ozi_capa;
- unsigned ozi_reset:1; /* 1 -- no need to advance */
+ unsigned ozi_reset:1; /* 1 -- no need to advance */
+ /* ozi_pos - position of the cursor:
+ * 0 - before any record
+ * 1 - "."
+ * 2 - ".."
+ * 3 - real records */
+ unsigned ozi_pos:3;
union {
- char ozi_name[NAME_MAX + 1]; /* file name for dir */
+ char ozi_name[MAXNAMELEN]; /* file name for dir */
__u64 ozi_key; /* binary key for index files */
};
};
* XXX temporary: for ->i_op calls.
*/
struct timespec oti_time;
- /*
- * XXX temporary: for capa operations.
- */
- struct lustre_capa_key oti_capa_key;
- struct lustre_capa oti_capa;
struct ost_id oti_ostid;
char oti_buf[64];
- /** osd iterator context used for iterator session */
+ char oti_str[64];
union {
- struct osd_zap_it oti_it_zap;
- struct osd_it_quota oti_it_quota;
+ char oti_key[MAXNAMELEN + 1];
+ __u64 oti_key64[(MAXNAMELEN + 1)/sizeof(__u64)];
};
-
- char oti_str[64];
- char oti_key[MAXNAMELEN + 1];
+ struct lustre_mdt_attrs oti_mdt_attrs;
struct lu_attr oti_la;
struct osa_attr oti_osa;
struct luz_direntry oti_zde;
struct lquota_id_info oti_qi;
+ struct lu_seq_range oti_seq_range;
};
extern struct lu_context_key osd_key;
struct osd_thandle {
struct thandle ot_super;
- cfs_list_t ot_dcb_list;
- cfs_list_t ot_sa_list;
- cfs_semaphore_t ot_sa_lock;
+ 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;
+ struct semaphore ot_sa_lock;
dmu_tx_t *ot_tx;
struct lquota_trans ot_quota_trans;
__u32 ot_write_commit:1,
uint64_t oi_zapid;
};
+struct osd_seq {
+ 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
/*
/* super-class */
struct dt_device od_dt_dev;
/* information about underlying file system */
- udmu_objset_t od_objset;
-
- /*
- * Fid Capability
- */
- unsigned int od_fl_capa:1;
- unsigned long od_capa_timeout;
- __u32 od_capa_alg;
- struct lustre_capa_key *od_capa_keys;
- cfs_hlist_head_t *od_capa_hash;
-
- cfs_proc_dir_entry_t *od_proc_entry;
+ struct objset *od_os;
+ uint64_t od_rootid; /* id of root znode */
+ uint64_t od_unlinkedid; /* id 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_max_blksz;
uint64_t od_root;
+ uint64_t od_O_id;
struct osd_oi **od_oi_table;
unsigned int od_oi_count;
- uint64_t od_ost_compat_dirs[OSD_OST_MAP_SIZE];
- uint64_t od_ost_compat_grp0;
+ 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_quota_iused_est:1,
+ od_is_ost:1,
+ od_posix_acl:1;
- unsigned int od_rdonly:1,
- od_quota_iused_est:1;
char od_mntdev[128];
char od_svname[128];
/* quota slave instance */
struct qsd_instance *od_quota_slave;
+ 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. */
- cfs_atomic_t od_zerocopy_alloc;
- cfs_atomic_t od_zerocopy_loan;
- cfs_atomic_t od_zerocopy_pin;
+ 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;
+};
+
+enum osd_destroy_type {
+ OSD_DESTROY_NONE = 0,
+ OSD_DESTROY_SYNC = 1,
+ OSD_DESTROY_ASYNC = 2,
};
struct osd_object {
dmu_buf_t *oo_db;
sa_handle_t *oo_sa_hdl;
nvlist_t *oo_sa_xattr;
- cfs_list_t oo_sa_linkage;
+ struct list_head oo_sa_linkage;
+
+ /* used to implement osd_object_*_{lock|unlock} */
+ struct rw_semaphore oo_sem;
- cfs_rw_semaphore_t oo_sem;
+ /* to serialize some updates: destroy vs. others,
+ * xattr_set, etc */
+ struct rw_semaphore oo_guard;
+
+ /* protected by oo_guard */
+ struct list_head oo_unlinked_linkage;
/* cached attributes */
- cfs_rwlock_t oo_attr_lock;
+ rwlock_t oo_attr_lock;
struct lu_attr oo_attr;
- /* protects extended attributes */
- cfs_semaphore_t oo_guard;
+ /* external dnode holding large EAs, protected by oo_guard */
uint64_t oo_xattr;
+ enum osd_destroy_type oo_destroy;
+
+ __u32 oo_destroyed:1;
+ /* the i_flags in LMA */
+ __u32 oo_lma_flags;
/* record size for index file */
- int oo_recsize;
+ unsigned char oo_keysize;
+ unsigned char oo_recsize;
+ unsigned char oo_recusize; /* unit size */
};
int osd_statfs(const struct lu_env *, struct dt_device *, struct obd_statfs *);
extern const struct dt_index_operations osd_acct_index_ops;
uint64_t osd_quota_fid2dmu(const struct lu_fid *fid);
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, long long space,
struct osd_thandle *oh, bool is_blk, int *flags,
bool force);
+uint64_t osd_objs_count_estimate(uint64_t refdbytes, uint64_t usedobjs,
+ uint64_t nrblocks, uint64_t est_maxblockshift);
/*
* Helpers.
static inline struct objset * osd_dtobj2objset(struct dt_object *o)
{
- return osd_dev(o->do_lu.lo_dev)->od_objset.os;
+ return osd_dev(o->do_lu.lo_dev)->od_os;
}
static inline int osd_invariant(const struct osd_object *obj)
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_dt_dev.dd_lu_dev.ld_obd->obd_name;
+}
-#ifdef LPROCFS
+#ifdef CONFIG_PROC_FS
enum {
LPROC_OSD_READ_BYTES = 0,
LPROC_OSD_WRITE_BYTES = 1,
LPROC_OSD_LAST,
};
+extern struct kmem_cache *osd_zapit_cachep;
/* osd_lproc.c */
extern struct lprocfs_vars lprocfs_osd_obd_vars[];
-extern struct lprocfs_vars lprocfs_osd_module_vars[];
int osd_procfs_init(struct osd_device *osd, const char *name);
int osd_procfs_fini(struct osd_device *osd);
-int udmu_zap_cursor_retrieve_key(const struct lu_env *env,
- zap_cursor_t *zc, char *key, int max);
-int udmu_zap_cursor_retrieve_value(const struct lu_env *env,
- zap_cursor_t *zc, char *buf,
- int buf_size, int *bytes_read);
-
/* osd_object.c */
+extern char *osd_obj_tag;
void osd_object_sa_dirty_rele(struct osd_thandle *oh);
int __osd_obj2dbuf(const struct lu_env *env, objset_t *os,
- uint64_t oid, dmu_buf_t **dbp, void *tag);
+ 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, udmu_objset_t *uos,
- dmu_buf_t **zap_dbp, dmu_tx_t *tx,
- struct lu_attr *la, void *tag, zap_flags_t flags);
-int __osd_object_create(const struct lu_env *env, udmu_objset_t *uos,
- dmu_buf_t **dbp, dmu_tx_t *tx,
- struct lu_attr *la, void *tag);
-int __osd_object_free(udmu_objset_t *uos, uint64_t oid, dmu_tx_t *tx);
+int __osd_zap_create(const struct lu_env *env, struct osd_device *osd,
+ dmu_buf_t **zap_dbp, dmu_tx_t *tx, struct lu_attr *la,
+ uint64_t parent, zap_flags_t flags);
+int __osd_object_create(const struct lu_env *env, struct osd_object *obj,
+ dmu_buf_t **dbp, dmu_tx_t *tx, struct lu_attr *la,
+ uint64_t parent);
/* osd_oi.c */
int osd_oi_init(const struct lu_env *env, struct osd_device *o);
uint64_t osd_get_name_n_idx(const struct lu_env *env, struct osd_device *osd,
const struct lu_fid *fid, char *buf);
int osd_options_init(void);
-
+int osd_ost_seq_exists(const struct lu_env *env, struct osd_device *osd,
+ __u64 seq);
/* osd_index.c */
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);
/* osd_xattr.c */
+int __osd_xattr_load(struct osd_device *osd, uint64_t dnode,
+ nvlist_t **sa_xattr);
+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(const struct lu_env *env, struct dt_object *dt,
- struct lu_buf *buf, const char *name,
- struct lustre_capa *capa);
+ 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, struct lustre_capa *capa);
+ 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,
- struct lustre_capa *capa);
+ 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,
- struct lu_buf *lb, struct lustre_capa *capa);
+ 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);
+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_db);
+ 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) |
+ (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) |
+ (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
+
#endif /* _OSD_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff