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path: root/drivers/staging/lustre/lustre/obdecho/echo_client.c
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Diffstat (limited to 'drivers/staging/lustre/lustre/obdecho/echo_client.c')
-rw-r--r--drivers/staging/lustre/lustre/obdecho/echo_client.c66
1 files changed, 37 insertions, 29 deletions
diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c
index 5f6d9441bc44..d542e06d6cd3 100644
--- a/drivers/staging/lustre/lustre/obdecho/echo_client.c
+++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c
@@ -146,6 +146,7 @@ static struct lu_context_key echo_thread_key;
static inline struct echo_thread_info *echo_env_info(const struct lu_env *env)
{
struct echo_thread_info *info;
+
info = lu_context_key_get(&env->le_ctx, &echo_thread_key);
LASSERT(info != NULL);
return info;
@@ -195,22 +196,22 @@ static struct lu_kmem_descr echo_caches[] = {
{
.ckd_cache = &echo_lock_kmem,
.ckd_name = "echo_lock_kmem",
- .ckd_size = sizeof (struct echo_lock)
+ .ckd_size = sizeof(struct echo_lock)
},
{
.ckd_cache = &echo_object_kmem,
.ckd_name = "echo_object_kmem",
- .ckd_size = sizeof (struct echo_object)
+ .ckd_size = sizeof(struct echo_object)
},
{
.ckd_cache = &echo_thread_kmem,
.ckd_name = "echo_thread_kmem",
- .ckd_size = sizeof (struct echo_thread_info)
+ .ckd_size = sizeof(struct echo_thread_info)
},
{
.ckd_cache = &echo_session_kmem,
.ckd_name = "echo_session_kmem",
- .ckd_size = sizeof (struct echo_session_info)
+ .ckd_size = sizeof(struct echo_session_info)
},
{
.ckd_cache = NULL
@@ -637,6 +638,7 @@ static void echo_thread_key_fini(const struct lu_context *ctx,
struct lu_context_key *key, void *data)
{
struct echo_thread_info *info = data;
+
OBD_SLAB_FREE_PTR(info, echo_thread_kmem);
}
@@ -667,6 +669,7 @@ static void echo_session_key_fini(const struct lu_context *ctx,
struct lu_context_key *key, void *data)
{
struct echo_session_info *session = data;
+
OBD_SLAB_FREE_PTR(session, echo_session_kmem);
}
@@ -783,6 +786,7 @@ out:
switch (cleanup) {
case 4: {
int rc2;
+
rc2 = echo_client_cleanup(obd);
if (rc2)
CERROR("Cleanup obd device %s error(%d)\n",
@@ -958,11 +962,13 @@ static struct echo_object *cl_echo_object_find(struct echo_device *d,
if (d->ed_next) {
if (!d->ed_next_islov) {
struct lov_oinfo *oinfo = lsm->lsm_oinfo[0];
+
LASSERT(oinfo != NULL);
oinfo->loi_oi = lsm->lsm_oi;
conf->eoc_cl.u.coc_oinfo = oinfo;
} else {
struct lustre_md *md;
+
md = &info->eti_md;
memset(md, 0, sizeof(*md));
md->lsm = lsm;
@@ -1011,6 +1017,7 @@ static int cl_echo_object_put(struct echo_object *eco)
/* an external function to kill an object? */
if (eco->eo_deleted) {
struct lu_object_header *loh = obj->co_lu.lo_header;
+
LASSERT(&eco->eo_hdr == luh2coh(loh));
set_bit(LU_OBJECT_HEARD_BANSHEE, &loh->loh_flags);
}
@@ -1022,7 +1029,7 @@ static int cl_echo_object_put(struct echo_object *eco)
static int cl_echo_enqueue0(struct lu_env *env, struct echo_object *eco,
u64 start, u64 end, int mode,
- __u64 *cookie , __u32 enqflags)
+ __u64 *cookie, __u32 enqflags)
{
struct cl_io *io;
struct cl_lock *lck;
@@ -1106,8 +1113,8 @@ static int cl_echo_cancel0(struct lu_env *env, struct echo_device *ed,
LASSERT(ec != NULL);
spin_lock(&ec->ec_lock);
- list_for_each (el, &ec->ec_locks) {
- ecl = list_entry (el, struct echo_lock, el_chain);
+ list_for_each(el, &ec->ec_locks) {
+ ecl = list_entry(el, struct echo_lock, el_chain);
CDEBUG(D_INFO, "ecl: %p, cookie: %#llx\n", ecl, ecl->el_cookie);
found = (ecl->el_cookie == cookie);
if (found) {
@@ -1152,6 +1159,7 @@ static int cl_echo_async_brw(const struct lu_env *env, struct cl_io *io,
cl_page_list_for_each_safe(clp, temp, &queue->c2_qin) {
int rc;
+
rc = cl_page_cache_add(env, io, clp, CRT_WRITE);
if (rc == 0)
continue;
@@ -1257,20 +1265,20 @@ out:
static u64 last_object_id;
static int
-echo_copyout_lsm (struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob)
+echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob)
{
struct lov_stripe_md *ulsm = _ulsm;
int nob, i;
- nob = offsetof (struct lov_stripe_md, lsm_oinfo[lsm->lsm_stripe_count]);
+ nob = offsetof(struct lov_stripe_md, lsm_oinfo[lsm->lsm_stripe_count]);
if (nob > ulsm_nob)
return -EINVAL;
- if (copy_to_user (ulsm, lsm, sizeof(*ulsm)))
+ if (copy_to_user(ulsm, lsm, sizeof(*ulsm)))
return -EFAULT;
for (i = 0; i < lsm->lsm_stripe_count; i++) {
- if (copy_to_user (ulsm->lsm_oinfo[i], lsm->lsm_oinfo[i],
+ if (copy_to_user(ulsm->lsm_oinfo[i], lsm->lsm_oinfo[i],
sizeof(lsm->lsm_oinfo[0])))
return -EFAULT;
}
@@ -1278,16 +1286,16 @@ echo_copyout_lsm (struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob)
}
static int
-echo_copyin_lsm (struct echo_device *ed, struct lov_stripe_md *lsm,
+echo_copyin_lsm(struct echo_device *ed, struct lov_stripe_md *lsm,
void *ulsm, int ulsm_nob)
{
struct echo_client_obd *ec = ed->ed_ec;
int i;
- if (ulsm_nob < sizeof (*lsm))
+ if (ulsm_nob < sizeof(*lsm))
return -EINVAL;
- if (copy_from_user (lsm, ulsm, sizeof (*lsm)))
+ if (copy_from_user(lsm, ulsm, sizeof(*lsm)))
return -EFAULT;
if (lsm->lsm_stripe_count > ec->ec_nstripes ||
@@ -1320,7 +1328,7 @@ static int echo_create_object(const struct lu_env *env, struct echo_device *ed,
if ((oa->o_valid & OBD_MD_FLID) == 0 && /* no obj id */
(on_target || /* set_stripe */
ec->ec_nstripes != 0)) { /* LOV */
- CERROR ("No valid oid\n");
+ CERROR("No valid oid\n");
return -EINVAL;
}
@@ -1333,7 +1341,7 @@ static int echo_create_object(const struct lu_env *env, struct echo_device *ed,
if (ulsm != NULL) {
int i, idx;
- rc = echo_copyin_lsm (ed, lsm, ulsm, ulsm_nob);
+ rc = echo_copyin_lsm(ed, lsm, ulsm, ulsm_nob);
if (rc != 0)
goto failed;
@@ -1409,7 +1417,7 @@ static int echo_get_object(struct echo_object **ecop, struct echo_device *ed,
if ((oa->o_valid & OBD_MD_FLID) == 0 || ostid_id(&oa->o_oi) == 0) {
/* disallow use of object id 0 */
- CERROR ("No valid oid\n");
+ CERROR("No valid oid\n");
return -EINVAL;
}
@@ -1459,7 +1467,7 @@ echo_get_stripe_off_id(struct lov_stripe_md *lsm, u64 *offp, u64 *idp)
width = stripe_size * stripe_count;
/* woffset = offset within a width; offset = whole number of widths */
- woffset = do_div (offset, width);
+ woffset = do_div(offset, width);
stripe_index = woffset / stripe_size;
@@ -1517,13 +1525,13 @@ static int echo_client_page_debug_check(struct lov_stripe_md *lsm,
for (rc = delta = 0; delta < PAGE_CACHE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) {
stripe_off = offset + delta;
stripe_id = id;
- echo_get_stripe_off_id (lsm, &stripe_off, &stripe_id);
+ echo_get_stripe_off_id(lsm, &stripe_off, &stripe_id);
rc2 = block_debug_check("test_brw",
addr + delta, OBD_ECHO_BLOCK_SIZE,
stripe_off, stripe_id);
if (rc2 != 0) {
- CERROR ("Error in echo object %#llx\n", id);
+ CERROR("Error in echo object %#llx\n", id);
rc = rc2;
}
}
@@ -1583,7 +1591,7 @@ static int echo_client_kbrw(struct echo_device *ed, int rw, struct obdo *oa,
i < npages;
i++, pgp++, off += PAGE_CACHE_SIZE) {
- LASSERT (pgp->pg == NULL); /* for cleanup */
+ LASSERT(pgp->pg == NULL); /* for cleanup */
rc = -ENOMEM;
OBD_PAGE_ALLOC(pgp->pg, gfp_mask);
@@ -1615,6 +1623,7 @@ static int echo_client_kbrw(struct echo_device *ed, int rw, struct obdo *oa,
if (verify) {
int vrc;
+
vrc = echo_client_page_debug_check(lsm, pgp->pg,
ostid_id(&oa->o_oi),
pgp->off, pgp->count);
@@ -1812,7 +1821,7 @@ echo_client_enqueue(struct obd_export *exp, struct obdo *oa,
(nob & (~CFS_PAGE_MASK)) != 0)
return -EINVAL;
- rc = echo_get_object (&eco, ed, oa);
+ rc = echo_get_object(&eco, ed, oa);
if (rc != 0)
return rc;
@@ -1911,6 +1920,7 @@ echo_client_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
rc = echo_get_object(&eco, ed, oa);
if (rc == 0) {
struct obd_info oinfo = { { { 0 } } };
+
oinfo.oi_md = eco->eo_lsm;
oinfo.oi_oa = oa;
rc = obd_getattr(env, ec->ec_exp, &oinfo);
@@ -1927,6 +1937,7 @@ echo_client_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
rc = echo_get_object(&eco, ed, oa);
if (rc == 0) {
struct obd_info oinfo = { { { 0 } } };
+
oinfo.oi_oa = oa;
oinfo.oi_md = eco->eo_lsm;
@@ -1992,7 +2003,7 @@ echo_client_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
goto out;
default:
- CERROR ("echo_ioctl(): unrecognised ioctl %#x\n", cmd);
+ CERROR("echo_ioctl(): unrecognised ioctl %#x\n", cmd);
rc = -ENOTTY;
goto out;
}
@@ -2034,8 +2045,8 @@ static int echo_client_setup(const struct lu_env *env,
}
spin_lock_init(&ec->ec_lock);
- INIT_LIST_HEAD (&ec->ec_objects);
- INIT_LIST_HEAD (&ec->ec_locks);
+ INIT_LIST_HEAD(&ec->ec_objects);
+ INIT_LIST_HEAD(&ec->ec_locks);
ec->ec_unique = 0;
ec->ec_nstripes = 0;
@@ -2158,7 +2169,6 @@ void echo_client_exit(void)
static int __init obdecho_init(void)
{
struct lprocfs_static_vars lvars;
- int rc;
LCONSOLE_INFO("Echo OBD driver; http://www.lustre.org/\n");
@@ -2167,9 +2177,7 @@ static int __init obdecho_init(void)
lprocfs_echo_init_vars(&lvars);
- rc = echo_client_init();
-
- return rc;
+ return echo_client_init();
}
static void /*__exit*/ obdecho_exit(void)
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