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Commit d9c90615 authored by John L. Hammond's avatar John L. Hammond Committed by Greg Kroah-Hartman
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staging:lustre: assume a kernel build 

In lnet/lnet/ and lnet/selftest/ assume a kernel build (assume that
__KERNEL__ is defined). Remove some common code only needed for user
space LNet.
Signed-off-by: default avatarJohn L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2675
Reviewed-on: http://review.whamcloud.com/13121Reviewed-by: default avatarJames Simmons <uja.ornl@gmail.com>
Reviewed-by: default avatarAmir Shehata <amir.shehata@intel.com>
Reviewed-by: default avatarOleg Drokin <oleg.drokin@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d0bfef31
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Showing with 16 additions and 304 deletions
drivers/staging/lustre/include/linux/lnet/lib-lnet.h
View file @ d9c90615
......@@ -49,24 +49,17 @@
extern lnet_t the_lnet; /* THE network */
#if defined(LNET_USE_LIB_FREELIST)
/* 1 CPT, simplify implementation... */
# define LNET_CPT_MAX_BITS 0
#else /* KERNEL and no freelist */
# if (BITS_PER_LONG == 32)
#if (BITS_PER_LONG == 32)
/* 2 CPTs, allowing more CPTs might make us under memory pressure */
# define LNET_CPT_MAX_BITS 1
# define LNET_CPT_MAX_BITS 1
# else /* 64-bit system */
#else /* 64-bit system */
/*
* 256 CPTs for thousands of CPUs, allowing more CPTs might make us
* under risk of consuming all lh_cookie.
*/
# define LNET_CPT_MAX_BITS 8
# endif /* BITS_PER_LONG == 32 */
#endif
# define LNET_CPT_MAX_BITS 8
#endif /* BITS_PER_LONG == 32 */
/* max allowed CPT number */
#define LNET_CPT_MAX (1 << LNET_CPT_MAX_BITS)
......@@ -175,191 +168,9 @@ lnet_net_lock_current(void)
#define MAX_PORTALS 64
/* these are only used by code with LNET_USE_LIB_FREELIST, but we still
* exported them to !LNET_USE_LIB_FREELIST for easy implementation */
#define LNET_FL_MAX_MES 2048
#define LNET_FL_MAX_MDS 2048
#define LNET_FL_MAX_EQS 512
#define LNET_FL_MAX_MSGS 2048 /* Outstanding messages */
#ifdef LNET_USE_LIB_FREELIST
int lnet_freelist_init(lnet_freelist_t *fl, int n, int size);
void lnet_freelist_fini(lnet_freelist_t *fl);
static inline void *
lnet_freelist_alloc(lnet_freelist_t *fl)
{
/* ALWAYS called with liblock held */
lnet_freeobj_t *o;
if (list_empty(&fl->fl_list))
return NULL;
o = list_entry(fl->fl_list.next, lnet_freeobj_t, fo_list);
list_del(&o->fo_list);
return (void *)&o->fo_contents;
}
static inline void
lnet_freelist_free(lnet_freelist_t *fl, void *obj)
{
/* ALWAYS called with liblock held */
lnet_freeobj_t *o = list_entry(obj, lnet_freeobj_t, fo_contents);
list_add(&o->fo_list, &fl->fl_list);
}
static inline lnet_eq_t *
lnet_eq_alloc(void)
{
/* NEVER called with resource lock held */
struct lnet_res_container *rec = &the_lnet.ln_eq_container;
lnet_eq_t *eq;
LASSERT(LNET_CPT_NUMBER == 1);
lnet_res_lock(0);
eq = (lnet_eq_t *)lnet_freelist_alloc(&rec->rec_freelist);
lnet_res_unlock(0);
return eq;
}
static inline void
lnet_eq_free_locked(lnet_eq_t *eq)
{
/* ALWAYS called with resource lock held */
struct lnet_res_container *rec = &the_lnet.ln_eq_container;
LASSERT(LNET_CPT_NUMBER == 1);
lnet_freelist_free(&rec->rec_freelist, eq);
}
static inline void
lnet_eq_free(lnet_eq_t *eq)
{
lnet_res_lock(0);
lnet_eq_free_locked(eq);
lnet_res_unlock(0);
}
static inline lnet_libmd_t *
lnet_md_alloc(lnet_md_t *umd)
{
/* NEVER called with resource lock held */
struct lnet_res_container *rec = the_lnet.ln_md_containers[0];
lnet_libmd_t *md;
LASSERT(LNET_CPT_NUMBER == 1);
lnet_res_lock(0);
md = (lnet_libmd_t *)lnet_freelist_alloc(&rec->rec_freelist);
lnet_res_unlock(0);
if (md != NULL)
INIT_LIST_HEAD(&md->md_list);
return md;
}
static inline void
lnet_md_free_locked(lnet_libmd_t *md)
{
/* ALWAYS called with resource lock held */
struct lnet_res_container *rec = the_lnet.ln_md_containers[0];
LASSERT(LNET_CPT_NUMBER == 1);
lnet_freelist_free(&rec->rec_freelist, md);
}
static inline void
lnet_md_free(lnet_libmd_t *md)
{
lnet_res_lock(0);
lnet_md_free_locked(md);
lnet_res_unlock(0);
}
static inline lnet_me_t *
lnet_me_alloc(void)
{
/* NEVER called with resource lock held */
struct lnet_res_container *rec = the_lnet.ln_me_containers[0];
lnet_me_t *me;
LASSERT(LNET_CPT_NUMBER == 1);
lnet_res_lock(0);
me = (lnet_me_t *)lnet_freelist_alloc(&rec->rec_freelist);
lnet_res_unlock(0);
return me;
}
static inline void
lnet_me_free_locked(lnet_me_t *me)
{
/* ALWAYS called with resource lock held */
struct lnet_res_container *rec = the_lnet.ln_me_containers[0];
LASSERT(LNET_CPT_NUMBER == 1);
lnet_freelist_free(&rec->rec_freelist, me);
}
static inline void
lnet_me_free(lnet_me_t *me)
{
lnet_res_lock(0);
lnet_me_free_locked(me);
lnet_res_unlock(0);
}
static inline lnet_msg_t *
lnet_msg_alloc(void)
{
/* NEVER called with network lock held */
struct lnet_msg_container *msc = the_lnet.ln_msg_containers[0];
lnet_msg_t *msg;
LASSERT(LNET_CPT_NUMBER == 1);
lnet_net_lock(0);
msg = (lnet_msg_t *)lnet_freelist_alloc(&msc->msc_freelist);
lnet_net_unlock(0);
if (msg != NULL) {
/* NULL pointers, clear flags etc */
memset(msg, 0, sizeof(*msg));
}
return msg;
}
static inline void
lnet_msg_free_locked(lnet_msg_t *msg)
{
/* ALWAYS called with network lock held */
struct lnet_msg_container *msc = the_lnet.ln_msg_containers[0];
LASSERT(LNET_CPT_NUMBER == 1);
LASSERT(!msg->msg_onactivelist);
lnet_freelist_free(&msc->msc_freelist, msg);
}
static inline void
lnet_msg_free(lnet_msg_t *msg)
{
lnet_net_lock(0);
lnet_msg_free_locked(msg);
lnet_net_unlock(0);
}
#else /* !LNET_USE_LIB_FREELIST */
static inline lnet_eq_t *
lnet_eq_alloc(void)
{
/* NEVER called with liblock held */
lnet_eq_t *eq;
LIBCFS_ALLOC(eq, sizeof(*eq));
......@@ -369,14 +180,12 @@ lnet_eq_alloc(void)
static inline void
lnet_eq_free(lnet_eq_t *eq)
{
/* ALWAYS called with resource lock held */
LIBCFS_FREE(eq, sizeof(*eq));
}
static inline lnet_libmd_t *
lnet_md_alloc(lnet_md_t *umd)
{
/* NEVER called with liblock held */
lnet_libmd_t *md;
unsigned int size;
unsigned int niov;
......@@ -405,7 +214,6 @@ lnet_md_alloc(lnet_md_t *umd)
static inline void
lnet_md_free(lnet_libmd_t *md)
{
/* ALWAYS called with resource lock held */
unsigned int size;
if ((md->md_options & LNET_MD_KIOV) != 0)
......@@ -419,7 +227,6 @@ lnet_md_free(lnet_libmd_t *md)
static inline lnet_me_t *
lnet_me_alloc(void)
{
/* NEVER called with liblock held */
lnet_me_t *me;
LIBCFS_ALLOC(me, sizeof(*me));
......@@ -429,14 +236,12 @@ lnet_me_alloc(void)
static inline void
lnet_me_free(lnet_me_t *me)
{
/* ALWAYS called with resource lock held */
LIBCFS_FREE(me, sizeof(*me));
}
static inline lnet_msg_t *
lnet_msg_alloc(void)
{
/* NEVER called with liblock held */
lnet_msg_t *msg;
LIBCFS_ALLOC(msg, sizeof(*msg));
......@@ -448,18 +253,10 @@ lnet_msg_alloc(void)
static inline void
lnet_msg_free(lnet_msg_t *msg)
{
/* ALWAYS called with network lock held */
LASSERT(!msg->msg_onactivelist);
LIBCFS_FREE(msg, sizeof(*msg));
}
#define lnet_eq_free_locked(eq) lnet_eq_free(eq)
#define lnet_md_free_locked(md) lnet_md_free(md)
#define lnet_me_free_locked(me) lnet_me_free(me)
#define lnet_msg_free_locked(msg) lnet_msg_free(msg)
#endif /* LNET_USE_LIB_FREELIST */
lnet_libhandle_t *lnet_res_lh_lookup(struct lnet_res_container *rec,
__u64 cookie);
void lnet_res_lh_initialize(struct lnet_res_container *rec,
......@@ -467,7 +264,6 @@ void lnet_res_lh_initialize(struct lnet_res_container *rec,
static inline void
lnet_res_lh_invalidate(lnet_libhandle_t *lh)
{
/* ALWAYS called with resource lock held */
/* NB: cookie is still useful, don't reset it */
list_del(&lh->lh_hash_chain);
}
......@@ -486,7 +282,6 @@ lnet_eq2handle(lnet_handle_eq_t *handle, lnet_eq_t *eq)
static inline lnet_eq_t *
lnet_handle2eq(lnet_handle_eq_t *handle)
{
/* ALWAYS called with resource lock held */
lnet_libhandle_t *lh;
lh = lnet_res_lh_lookup(&the_lnet.ln_eq_container, handle->cookie);
......
drivers/staging/lustre/include/linux/lnet/lib-types.h
View file @ d9c90615
......@@ -280,20 +280,6 @@ typedef struct lnet_libmd {
#define LNET_MD_FLAG_AUTO_UNLINK (1 << 1)
#define LNET_MD_FLAG_ABORTED (1 << 2)
#ifdef LNET_USE_LIB_FREELIST
typedef struct {
void *fl_objs; /* single contiguous array of objects */
int fl_nobjs; /* the number of them */
int fl_objsize; /* the size (including overhead) of each of them */
struct list_head fl_list; /* where they are enqueued */
} lnet_freelist_t;
typedef struct {
struct list_head fo_list; /* enqueue on fl_list */
void *fo_contents; /* aligned contents */
} lnet_freeobj_t;
#endif
typedef struct {
/* info about peers we are trying to fail */
struct list_head tp_list; /* ln_test_peers */
......@@ -639,9 +625,6 @@ struct lnet_res_container {
__u64 rec_lh_cookie; /* cookie generator */
struct list_head rec_active; /* active resource list */
struct list_head *rec_lh_hash; /* handle hash */
#ifdef LNET_USE_LIB_FREELIST
lnet_freelist_t rec_freelist; /* freelist for resources */
#endif
};
/* message container */
......@@ -654,9 +637,6 @@ struct lnet_msg_container {
struct list_head msc_active; /* active message list */
/* threads doing finalization */
void **msc_finalizers;
#ifdef LNET_USE_LIB_FREELIST
lnet_freelist_t msc_freelist; /* freelist for messages */
#endif
};
/* Router Checker states */
......
drivers/staging/lustre/lnet/lnet/api-ni.c
View file @ d9c90615
......@@ -356,56 +356,6 @@ lnet_counters_reset(void)
}
EXPORT_SYMBOL(lnet_counters_reset);
#ifdef LNET_USE_LIB_FREELIST
int
lnet_freelist_init(lnet_freelist_t *fl, int n, int size)
{
char *space;
LASSERT(n > 0);
size += offsetof(lnet_freeobj_t, fo_contents);
LIBCFS_ALLOC(space, n * size);
if (space == NULL)
return -ENOMEM;
INIT_LIST_HEAD(&fl->fl_list);
fl->fl_objs = space;
fl->fl_nobjs = n;
fl->fl_objsize = size;
do {
memset(space, 0, size);
list_add((struct list_head *)space, &fl->fl_list);
space += size;
} while (--n != 0);
return 0;
}
void
lnet_freelist_fini(lnet_freelist_t *fl)
{
struct list_head *el;
int count;
if (fl->fl_nobjs == 0)
return;
count = 0;
for (el = fl->fl_list.next; el != &fl->fl_list; el = el->next)
count++;
LASSERT(count == fl->fl_nobjs);
LIBCFS_FREE(fl->fl_objs, fl->fl_nobjs * fl->fl_objsize);
memset(fl, 0, sizeof(*fl));
}
#endif /* LNET_USE_LIB_FREELIST */
static __u64
lnet_create_interface_cookie(void)
{
......@@ -462,9 +412,6 @@ lnet_res_container_cleanup(struct lnet_res_container *rec)
count, lnet_res_type2str(rec->rec_type));
}
#ifdef LNET_USE_LIB_FREELIST
lnet_freelist_fini(&rec->rec_freelist);
#endif
if (rec->rec_lh_hash != NULL) {
LIBCFS_FREE(rec->rec_lh_hash,
LNET_LH_HASH_SIZE * sizeof(rec->rec_lh_hash[0]));
......@@ -485,13 +432,6 @@ lnet_res_container_setup(struct lnet_res_container *rec,
rec->rec_type = type;
INIT_LIST_HEAD(&rec->rec_active);
#ifdef LNET_USE_LIB_FREELIST
memset(&rec->rec_freelist, 0, sizeof(rec->rec_freelist));
rc = lnet_freelist_init(&rec->rec_freelist, objnum, objsz);
if (rc != 0)
goto out;
#endif
rec->rec_lh_cookie = (cpt << LNET_COOKIE_TYPE_BITS) | type;
/* Arbitrary choice of hash table size */
......@@ -635,13 +575,11 @@ lnet_prepare(lnet_pid_t requested_pid)
goto failed;
rc = lnet_res_container_setup(&the_lnet.ln_eq_container, 0,
LNET_COOKIE_TYPE_EQ, LNET_FL_MAX_EQS,
sizeof(lnet_eq_t));
LNET_COOKIE_TYPE_EQ, 0, 0);
if (rc != 0)
goto failed;
recs = lnet_res_containers_create(LNET_COOKIE_TYPE_ME, LNET_FL_MAX_MES,
sizeof(lnet_me_t));
recs = lnet_res_containers_create(LNET_COOKIE_TYPE_ME, 0, 0);
if (recs == NULL) {
rc = -ENOMEM;
goto failed;
......@@ -649,8 +587,7 @@ lnet_prepare(lnet_pid_t requested_pid)
the_lnet.ln_me_containers = recs;
recs = lnet_res_containers_create(LNET_COOKIE_TYPE_MD, LNET_FL_MAX_MDS,
sizeof(lnet_libmd_t));
recs = lnet_res_containers_create(LNET_COOKIE_TYPE_MD, 0, 0);
if (recs == NULL) {
rc = -ENOMEM;
goto failed;
......
drivers/staging/lustre/lnet/lnet/lib-eq.c
View file @ d9c90615
......@@ -191,7 +191,7 @@ LNetEQFree(lnet_handle_eq_t eqh)
lnet_res_lh_invalidate(&eq->eq_lh);
list_del(&eq->eq_list);
lnet_eq_free_locked(eq);
lnet_eq_free(eq);
out:
lnet_eq_wait_unlock();
lnet_res_unlock(LNET_LOCK_EX);
......
drivers/staging/lustre/lnet/lnet/lib-md.c
View file @ d9c90615
......@@ -82,7 +82,7 @@ lnet_md_unlink(lnet_libmd_t *md)
LASSERT(!list_empty(&md->md_list));
list_del_init(&md->md_list);
lnet_md_free_locked(md);
lnet_md_free(md);
}
static int
......@@ -320,7 +320,7 @@ LNetMDAttach(lnet_handle_me_t meh, lnet_md_t umd,
return 0;
failed:
lnet_md_free_locked(md);
lnet_md_free(md);
lnet_res_unlock(cpt);
return rc;
......@@ -381,7 +381,7 @@ LNetMDBind(lnet_md_t umd, lnet_unlink_t unlink, lnet_handle_md_t *handle)
return 0;
failed:
lnet_md_free_locked(md);
lnet_md_free(md);
lnet_res_unlock(cpt);
return rc;
......
drivers/staging/lustre/lnet/lnet/lib-me.c
View file @ d9c90615
......@@ -172,7 +172,7 @@ LNetMEInsert(lnet_handle_me_t current_meh,
current_me = lnet_handle2me(&current_meh);
if (current_me == NULL) {
lnet_me_free_locked(new_me);
lnet_me_free(new_me);
lnet_res_unlock(cpt);
return -ENOENT;
......@@ -183,7 +183,7 @@ LNetMEInsert(lnet_handle_me_t current_meh,
ptl = the_lnet.ln_portals[current_me->me_portal];
if (lnet_ptl_is_unique(ptl)) {
/* nosense to insertion on unique portal */
lnet_me_free_locked(new_me);
lnet_me_free(new_me);
lnet_res_unlock(cpt);
return -EPERM;
}
......@@ -276,7 +276,7 @@ lnet_me_unlink(lnet_me_t *me)
}
lnet_res_lh_invalidate(&me->me_lh);
lnet_me_free_locked(me);
lnet_me_free(me);
}
#if 0
......
drivers/staging/lustre/lnet/lnet/lib-msg.c
View file @ d9c90615
......@@ -427,7 +427,7 @@ lnet_complete_msg_locked(lnet_msg_t *msg, int cpt)
}
lnet_msg_decommit(msg, cpt, status);
lnet_msg_free_locked(msg);
lnet_msg_free(msg);
return 0;
}
......
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