* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <dt_object.h>
#include <md_object.h>
#include <lustre_quota.h>
-
-#define _SPL_KMEM_H
-/* SPL redefines this but to the same value: ~0UL vs -1, but GCC complains.
- * fixed in SPL master 52479ecf58fa89190e384edcf838fecccc786af5 */
+#ifdef SHRINK_STOP
#undef SHRINK_STOP
-#include <sys/kstat.h>
-#define kmem_zalloc(a, b) kzalloc(a, b)
-#define kmem_free(ptr, sz) ((void)(sz), kfree(ptr))
-#ifndef KM_SLEEP
-#define KM_SLEEP GFP_KERNEL
#endif
-
#include <sys/arc.h>
#include <sys/nvpair.h>
#include <sys/zfs_znode.h>
#include <sys/zap.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 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_BLKS (1ULL << (22 - SPA_MAXBLOCKSHIFT)) /* 4MB */
-#define OSD_STATFS_RESERVED_SHIFT (7) /* reserve 0.78% of all 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 (SPA_MAXBLOCKSHIFT - DNODE_SHIFT) /* 17-9 =8 */
-#define OSD_DNODE_EST_BLKSHIFT (SPA_MAXBLOCKSHIFT - 12) /* 17-12=5 */
-#define OSD_DNODE_EST_COUNT 1024
+#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, ... */
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 */
/* ozi_pos - position of the cursor:
* 0 - before any record
* 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;
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;
struct semaphore ot_sa_lock;
dmu_tx_t *ot_tx;
/* information about underlying file system */
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;
- /*
- * Fid Capability
- */
- unsigned int od_fl_capa:1;
- unsigned long od_capa_timeout;
- __u32 od_capa_alg;
- struct lustre_capa_key *od_capa_keys;
- struct hlist_head *od_capa_hash;
-
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;
struct osd_seq_list od_seq_list;
- unsigned int od_rdonly:1,
+ 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,
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 {
struct dt_object oo_dt;
/*
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, 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;
- /* protects extended attributes */
- struct semaphore 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 */
unsigned char oo_keysize;
unsigned char oo_recsize;
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 nrblocks, uint64_t est_maxblockshift);
/*
* Helpers.
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_device *osd,
+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);
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_convert_root_to_new_seq(const struct lu_env *env,
- struct osd_device *o);
int osd_ost_seq_exists(const struct lu_env *env, struct osd_device *osd,
__u64 seq);
/* osd_index.c */
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,
- const 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,
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, struct lustre_capa *capa)
+ 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)
static inline uint64_t attrs_fs2zfs(const uint32_t flags)
{
- return (((flags & FS_APPEND_FL) ? ZFS_APPENDONLY : 0) |
- ((flags & FS_NODUMP_FL) ? ZFS_NODUMP : 0) |
- ((flags & FS_IMMUTABLE_FL) ? ZFS_IMMUTABLE : 0));
+ 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) ? FS_APPEND_FL : 0) |
- ((flags & ZFS_NODUMP) ? FS_NODUMP_FL : 0) |
- ((flags & ZFS_IMMUTABLE) ? FS_IMMUTABLE_FL : 0));
+ return (flags & ZFS_APPENDONLY ? LUSTRE_APPEND_FL : 0) |
+ (flags & ZFS_NODUMP ? LUSTRE_NODUMP_FL : 0) |
+ (flags & ZFS_IMMUTABLE ? LUSTRE_IMMUTABLE_FL : 0);
}
#endif
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