[lustre-devel] [PATCH 07/14] staging: lustre: lov: trying smaller memory allocations
James Simmons
jsimmons at infradead.org
Sat Feb 18 13:47:08 PST 2017
From: Yang Sheng <yang.sheng at intel.com>
Reduce struct lov_io_sub to smaller memory usage
on wide-stripe file systems.
Signed-off-by: Yang Sheng <yang.sheng at intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7085
Reviewed-on: http://review.whamcloud.com/17476
Reviewed-by: Bob Glossman <bob.glossman at intel.com>
Reviewed-by: Jian Yu <jian.yu at intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger at intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin at intel.com>
Signed-off-by: James Simmons <jsimmons at infradead.org>
---
drivers/staging/lustre/lustre/include/cl_object.h | 6 ++--
drivers/staging/lustre/lustre/llite/file.c | 16 ++++-----
drivers/staging/lustre/lustre/llite/glimpse.c | 4 +--
drivers/staging/lustre/lustre/llite/lcommon_cl.c | 8 ++---
drivers/staging/lustre/lustre/llite/lcommon_misc.c | 2 +-
.../staging/lustre/lustre/llite/llite_internal.h | 2 +-
drivers/staging/lustre/lustre/llite/llite_mmap.c | 4 +--
drivers/staging/lustre/lustre/llite/lproc_llite.c | 2 +-
drivers/staging/lustre/lustre/llite/rw.c | 2 +-
drivers/staging/lustre/lustre/llite/vvp_dev.c | 10 +++---
drivers/staging/lustre/lustre/llite/xattr.c | 2 +-
.../staging/lustre/lustre/lov/lov_cl_internal.h | 41 +++++++++++-----------
drivers/staging/lustre/lustre/lov/lov_object.c | 2 +-
drivers/staging/lustre/lustre/obdclass/cl_object.c | 6 ++--
.../staging/lustre/lustre/obdecho/echo_client.c | 6 ++--
drivers/staging/lustre/lustre/osc/lproc_osc.c | 2 +-
drivers/staging/lustre/lustre/osc/osc_cache.c | 2 +-
drivers/staging/lustre/lustre/osc/osc_lock.c | 12 +++----
drivers/staging/lustre/lustre/osc/osc_page.c | 4 +--
drivers/staging/lustre/lustre/osc/osc_request.c | 2 +-
20 files changed, 67 insertions(+), 68 deletions(-)
diff --git a/drivers/staging/lustre/lustre/include/cl_object.h b/drivers/staging/lustre/lustre/include/cl_object.h
index 12b3222..2bc3ee5 100644
--- a/drivers/staging/lustre/lustre/include/cl_object.h
+++ b/drivers/staging/lustre/lustre/include/cl_object.h
@@ -2437,9 +2437,9 @@ void cl_sync_io_note(const struct lu_env *env, struct cl_sync_io *anchor,
* @{
*/
-struct lu_env *cl_env_get(int *refcheck);
-struct lu_env *cl_env_alloc(int *refcheck, __u32 tags);
-void cl_env_put(struct lu_env *env, int *refcheck);
+struct lu_env *cl_env_get(u16 *refcheck);
+struct lu_env *cl_env_alloc(u16 *refcheck, __u32 tags);
+void cl_env_put(struct lu_env *env, u16 *refcheck);
unsigned int cl_env_cache_purge(unsigned int nr);
struct lu_env *cl_env_percpu_get(void);
void cl_env_percpu_put(struct lu_env *env);
diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c
index 10adfcd..b1c9573 100644
--- a/drivers/staging/lustre/lustre/llite/file.c
+++ b/drivers/staging/lustre/lustre/llite/file.c
@@ -1159,7 +1159,7 @@ static ssize_t ll_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
struct lu_env *env;
struct vvp_io_args *args;
ssize_t result;
- int refcheck;
+ u16 refcheck;
env = cl_env_get(&refcheck);
if (IS_ERR(env))
@@ -1183,7 +1183,7 @@ static ssize_t ll_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
struct lu_env *env;
struct vvp_io_args *args;
ssize_t result;
- int refcheck;
+ u16 refcheck;
env = cl_env_get(&refcheck);
if (IS_ERR(env))
@@ -1340,7 +1340,7 @@ static int ll_file_getstripe(struct inode *inode,
struct lov_user_md __user *lum)
{
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
int rc;
env = cl_env_get(&refcheck);
@@ -1517,7 +1517,7 @@ static int ll_do_fiemap(struct inode *inode, struct fiemap *fiemap,
{
struct ll_fiemap_info_key fmkey = { .lfik_name = KEY_FIEMAP, };
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
int rc = 0;
/* Checks for fiemap flags */
@@ -1623,7 +1623,7 @@ int ll_data_version(struct inode *inode, __u64 *data_version, int flags)
struct cl_object *obj = ll_i2info(inode)->lli_clob;
struct lu_env *env;
struct cl_io *io;
- int refcheck;
+ u16 refcheck;
int result;
/* If no file object initialized, we consider its version is 0. */
@@ -1668,7 +1668,7 @@ int ll_hsm_release(struct inode *inode)
struct obd_client_handle *och = NULL;
__u64 data_version = 0;
int rc;
- int refcheck;
+ u16 refcheck;
CDEBUG(D_INODE, "%s: Releasing file "DFID".\n",
ll_get_fsname(inode->i_sb, NULL, 0),
@@ -2324,7 +2324,7 @@ int cl_sync_file_range(struct inode *inode, loff_t start, loff_t end,
struct cl_io *io;
struct cl_fsync_io *fio;
int result;
- int refcheck;
+ u16 refcheck;
if (mode != CL_FSYNC_NONE && mode != CL_FSYNC_LOCAL &&
mode != CL_FSYNC_DISCARD && mode != CL_FSYNC_ALL)
@@ -3271,7 +3271,7 @@ int ll_layout_conf(struct inode *inode, const struct cl_object_conf *conf)
struct cl_object *obj = lli->lli_clob;
struct lu_env *env;
int rc;
- int refcheck;
+ u16 refcheck;
if (!obj)
return 0;
diff --git a/drivers/staging/lustre/lustre/llite/glimpse.c b/drivers/staging/lustre/lustre/llite/glimpse.c
index 504498d..0143112 100644
--- a/drivers/staging/lustre/lustre/llite/glimpse.c
+++ b/drivers/staging/lustre/lustre/llite/glimpse.c
@@ -138,7 +138,7 @@ int cl_glimpse_lock(const struct lu_env *env, struct cl_io *io,
}
static int cl_io_get(struct inode *inode, struct lu_env **envout,
- struct cl_io **ioout, int *refcheck)
+ struct cl_io **ioout, u16 *refcheck)
{
struct lu_env *env;
struct cl_io *io;
@@ -178,7 +178,7 @@ int cl_glimpse_size0(struct inode *inode, int agl)
struct lu_env *env = NULL;
struct cl_io *io = NULL;
int result;
- int refcheck;
+ u16 refcheck;
result = cl_io_get(inode, &env, &io, &refcheck);
if (result > 0) {
diff --git a/drivers/staging/lustre/lustre/llite/lcommon_cl.c b/drivers/staging/lustre/lustre/llite/lcommon_cl.c
index f1036f4..8af6110 100644
--- a/drivers/staging/lustre/lustre/llite/lcommon_cl.c
+++ b/drivers/staging/lustre/lustre/llite/lcommon_cl.c
@@ -72,7 +72,7 @@
* mutex.
*/
struct lu_env *cl_inode_fini_env;
-int cl_inode_fini_refcheck;
+u16 cl_inode_fini_refcheck;
/**
* A mutex serializing calls to slp_inode_fini() under extreme memory
@@ -86,7 +86,7 @@ int cl_setattr_ost(struct cl_object *obj, const struct iattr *attr,
struct lu_env *env;
struct cl_io *io;
int result;
- int refcheck;
+ u16 refcheck;
env = cl_env_get(&refcheck);
if (IS_ERR(env))
@@ -149,7 +149,7 @@ int cl_file_inode_init(struct inode *inode, struct lustre_md *md)
}
};
int result = 0;
- int refcheck;
+ u16 refcheck;
LASSERT(md->body->mbo_valid & OBD_MD_FLID);
LASSERT(S_ISREG(inode->i_mode));
@@ -237,7 +237,7 @@ void cl_inode_fini(struct inode *inode)
struct lu_env *env;
struct ll_inode_info *lli = ll_i2info(inode);
struct cl_object *clob = lli->lli_clob;
- int refcheck;
+ u16 refcheck;
int emergency;
if (clob) {
diff --git a/drivers/staging/lustre/lustre/llite/lcommon_misc.c b/drivers/staging/lustre/lustre/llite/lcommon_misc.c
index f0c132e..7f7f3f1 100644
--- a/drivers/staging/lustre/lustre/llite/lcommon_misc.c
+++ b/drivers/staging/lustre/lustre/llite/lcommon_misc.c
@@ -124,7 +124,7 @@ int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
struct cl_lock *lock;
struct cl_lock_descr *descr;
__u32 enqflags;
- int refcheck;
+ u16 refcheck;
int rc;
env = cl_env_get(&refcheck);
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index ecdfd0c..99fb852 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -1329,7 +1329,7 @@ int cl_setattr_ost(struct cl_object *obj, const struct iattr *attr,
unsigned int attr_flags);
extern struct lu_env *cl_inode_fini_env;
-extern int cl_inode_fini_refcheck;
+extern u16 cl_inode_fini_refcheck;
int cl_file_inode_init(struct inode *inode, struct lustre_md *md);
void cl_inode_fini(struct inode *inode);
diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c
index ee01f20..33dc935 100644
--- a/drivers/staging/lustre/lustre/llite/llite_mmap.c
+++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c
@@ -150,7 +150,7 @@ static int ll_page_mkwrite0(struct vm_area_struct *vma, struct page *vmpage,
struct cl_io *io;
struct vvp_io *vio;
int result;
- int refcheck;
+ u16 refcheck;
sigset_t set;
struct inode *inode;
struct ll_inode_info *lli;
@@ -268,7 +268,7 @@ static int ll_fault0(struct vm_area_struct *vma, struct vm_fault *vmf)
unsigned long ra_flags;
int result = 0;
int fault_ret = 0;
- int refcheck;
+ u16 refcheck;
env = cl_env_get(&refcheck);
if (IS_ERR(env))
diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c
index f3ee584..40f1fcf 100644
--- a/drivers/staging/lustre/lustre/llite/lproc_llite.c
+++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c
@@ -386,7 +386,7 @@ static ssize_t ll_max_cached_mb_seq_write(struct file *file,
struct lu_env *env;
long diff = 0;
long nrpages = 0;
- int refcheck;
+ u16 refcheck;
long pages_number;
int mult;
long rc;
diff --git a/drivers/staging/lustre/lustre/llite/rw.c b/drivers/staging/lustre/lustre/llite/rw.c
index 50d027e..1bac51f 100644
--- a/drivers/staging/lustre/lustre/llite/rw.c
+++ b/drivers/staging/lustre/lustre/llite/rw.c
@@ -905,7 +905,7 @@ int ll_writepage(struct page *vmpage, struct writeback_control *wbc)
bool redirtied = false;
bool unlocked = false;
int result;
- int refcheck;
+ u16 refcheck;
LASSERT(PageLocked(vmpage));
LASSERT(!PageWriteback(vmpage));
diff --git a/drivers/staging/lustre/lustre/llite/vvp_dev.c b/drivers/staging/lustre/lustre/llite/vvp_dev.c
index 3669ea7..6cb2db2 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_dev.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_dev.c
@@ -313,7 +313,7 @@ int cl_sb_init(struct super_block *sb)
struct cl_device *cl;
struct lu_env *env;
int rc = 0;
- int refcheck;
+ u16 refcheck;
sbi = ll_s2sbi(sb);
env = cl_env_get(&refcheck);
@@ -336,7 +336,7 @@ int cl_sb_fini(struct super_block *sb)
struct ll_sb_info *sbi;
struct lu_env *env;
struct cl_device *cld;
- int refcheck;
+ u16 refcheck;
int result;
sbi = ll_s2sbi(sb);
@@ -535,7 +535,7 @@ static int vvp_pgcache_show(struct seq_file *f, void *v)
struct cl_object *clob;
struct lu_env *env;
struct vvp_pgcache_id id;
- int refcheck;
+ u16 refcheck;
int result;
env = cl_env_get(&refcheck);
@@ -584,7 +584,7 @@ static void *vvp_pgcache_start(struct seq_file *f, loff_t *pos)
{
struct ll_sb_info *sbi;
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
sbi = f->private;
@@ -608,7 +608,7 @@ static void *vvp_pgcache_next(struct seq_file *f, void *v, loff_t *pos)
{
struct ll_sb_info *sbi;
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
env = cl_env_get(&refcheck);
if (!IS_ERR(env)) {
diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c
index 421cc04..3ef0291 100644
--- a/drivers/staging/lustre/lustre/llite/xattr.c
+++ b/drivers/staging/lustre/lustre/llite/xattr.c
@@ -427,7 +427,7 @@ static ssize_t ll_getxattr_lov(struct inode *inode, void *buf, size_t buf_size)
.cl_buf.lb_len = buf_size,
};
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
if (!obj)
return -ENODATA;
diff --git a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h
index c49a34b..391c632 100644
--- a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h
+++ b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h
@@ -118,7 +118,7 @@ struct lov_device_emerg {
*
* \see cl_env_get()
*/
- int emrg_refcheck;
+ u16 emrg_refcheck;
};
struct lov_device {
@@ -378,40 +378,39 @@ struct lov_thread_info {
* State that lov_io maintains for every sub-io.
*/
struct lov_io_sub {
- int sub_stripe;
- /**
- * sub-io for a stripe. Ideally sub-io's can be stopped and resumed
- * independently, with lov acting as a scheduler to maximize overall
- * throughput.
- */
- struct cl_io *sub_io;
+ u16 sub_stripe;
/**
- * Linkage into a list (hanging off lov_io::lis_active) of all
- * sub-io's active for the current IO iteration.
+ * environment's refcheck.
+ *
+ * \see cl_env_get()
*/
- struct list_head sub_linkage;
+ u16 sub_refcheck;
+ u16 sub_reenter;
/**
* true, iff cl_io_init() was successfully executed against
* lov_io_sub::sub_io.
*/
- int sub_io_initialized;
+ u16 sub_io_initialized:1,
/**
* True, iff lov_io_sub::sub_io and lov_io_sub::sub_env weren't
* allocated, but borrowed from a per-device emergency pool.
*/
- int sub_borrowed;
+ sub_borrowed:1;
/**
- * environment, in which sub-io executes.
+ * Linkage into a list (hanging off lov_io::lis_active) of all
+ * sub-io's active for the current IO iteration.
*/
- struct lu_env *sub_env;
+ struct list_head sub_linkage;
/**
- * environment's refcheck.
- *
- * \see cl_env_get()
+ * sub-io for a stripe. Ideally sub-io's can be stopped and resumed
+ * independently, with lov acting as a scheduler to maximize overall
+ * throughput.
+ */
+ struct cl_io *sub_io;
+ /**
+ * environment, in which sub-io executes.
*/
- int sub_refcheck;
- int sub_refcheck2;
- int sub_reenter;
+ struct lu_env *sub_env;
};
/**
diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c b/drivers/staging/lustre/lustre/lov/lov_object.c
index 977579c..ab3ecfe 100644
--- a/drivers/staging/lustre/lustre/lov/lov_object.c
+++ b/drivers/staging/lustre/lustre/lov/lov_object.c
@@ -746,7 +746,7 @@ static int lov_layout_change(const struct lu_env *unused,
const struct lov_layout_operations *old_ops;
const struct lov_layout_operations *new_ops;
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
int rc;
LASSERT(0 <= lov->lo_type && lov->lo_type < ARRAY_SIZE(lov_dispatch));
diff --git a/drivers/staging/lustre/lustre/obdclass/cl_object.c b/drivers/staging/lustre/lustre/obdclass/cl_object.c
index 703cb67..08e55d4 100644
--- a/drivers/staging/lustre/lustre/obdclass/cl_object.c
+++ b/drivers/staging/lustre/lustre/obdclass/cl_object.c
@@ -688,7 +688,7 @@ static inline struct cl_env *cl_env_container(struct lu_env *env)
*
* \see cl_env_put()
*/
-struct lu_env *cl_env_get(int *refcheck)
+struct lu_env *cl_env_get(u16 *refcheck)
{
struct lu_env *env;
@@ -709,7 +709,7 @@ struct lu_env *cl_env_get(int *refcheck)
*
* \see cl_env_get()
*/
-struct lu_env *cl_env_alloc(int *refcheck, __u32 tags)
+struct lu_env *cl_env_alloc(u16 *refcheck, u32 tags)
{
struct lu_env *env;
@@ -769,7 +769,7 @@ unsigned int cl_env_cache_purge(unsigned int nr)
* this thread is using environment and it is returned to the allocation
* cache, or freed straight away, if cache is large enough.
*/
-void cl_env_put(struct lu_env *env, int *refcheck)
+void cl_env_put(struct lu_env *env, u16 *refcheck)
{
struct cl_env *cle;
diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c
index 5490761..77b4c55 100644
--- a/drivers/staging/lustre/lustre/obdecho/echo_client.c
+++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c
@@ -816,7 +816,7 @@ static struct lu_device *echo_device_free(const struct lu_env *env,
struct echo_object *eco;
struct cl_object *obj;
struct lu_fid *fid;
- int refcheck;
+ u16 refcheck;
int rc;
LASSERTF(ostid_id(oi), DOSTID "\n", POSTID(oi));
@@ -882,7 +882,7 @@ static int cl_echo_object_put(struct echo_object *eco)
{
struct lu_env *env;
struct cl_object *obj = echo_obj2cl(eco);
- int refcheck;
+ u16 refcheck;
env = cl_env_get(&refcheck);
if (IS_ERR(env))
@@ -999,7 +999,7 @@ static int cl_echo_object_brw(struct echo_object *eco, int rw, u64 offset,
struct cl_page *clp;
struct lustre_handle lh = { 0 };
size_t page_size = cl_page_size(obj);
- int refcheck;
+ u16 refcheck;
int rc;
int i;
diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c
index 575b296..86f252d 100644
--- a/drivers/staging/lustre/lustre/osc/lproc_osc.c
+++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c
@@ -229,7 +229,7 @@ static ssize_t osc_cached_mb_seq_write(struct file *file,
rc = atomic_long_read(&cli->cl_lru_in_list) - pages_number;
if (rc > 0) {
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
env = cl_env_get(&refcheck);
if (!IS_ERR(env)) {
diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c
index 6445bbe..f8c5fc0 100644
--- a/drivers/staging/lustre/lustre/osc/osc_cache.c
+++ b/drivers/staging/lustre/lustre/osc/osc_cache.c
@@ -988,7 +988,7 @@ static int osc_extent_truncate(struct osc_extent *ext, pgoff_t trunc_index,
int grants = 0;
int nr_pages = 0;
int rc = 0;
- int refcheck;
+ u16 refcheck;
LASSERT(sanity_check(ext) == 0);
EASSERT(ext->oe_state == OES_TRUNC, ext);
diff --git a/drivers/staging/lustre/lustre/osc/osc_lock.c b/drivers/staging/lustre/lustre/osc/osc_lock.c
index 5f7c030..940c10c 100644
--- a/drivers/staging/lustre/lustre/osc/osc_lock.c
+++ b/drivers/staging/lustre/lustre/osc/osc_lock.c
@@ -297,7 +297,7 @@ static int osc_lock_upcall(void *cookie, struct lustre_handle *lockh,
struct cl_lock_slice *slice = &oscl->ols_cl;
struct lu_env *env;
int rc;
- int refcheck;
+ u16 refcheck;
env = cl_env_get(&refcheck);
/* should never happen, similar to osc_ldlm_blocking_ast(). */
@@ -349,7 +349,7 @@ static int osc_lock_upcall_agl(void *cookie, struct lustre_handle *lockh,
struct osc_object *osc = cookie;
struct ldlm_lock *dlmlock;
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
env = cl_env_get(&refcheck);
LASSERT(!IS_ERR(env));
@@ -384,7 +384,7 @@ static int osc_lock_flush(struct osc_object *obj, pgoff_t start, pgoff_t end,
enum cl_lock_mode mode, int discard)
{
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
int rc = 0;
int rc2 = 0;
@@ -538,7 +538,7 @@ static int osc_ldlm_blocking_ast(struct ldlm_lock *dlmlock,
}
case LDLM_CB_CANCELING: {
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
/*
* This can be called in the context of outer IO, e.g.,
@@ -575,7 +575,7 @@ static int osc_ldlm_glimpse_ast(struct ldlm_lock *dlmlock, void *data)
struct req_capsule *cap;
struct cl_object *obj = NULL;
int result;
- int refcheck;
+ u16 refcheck;
LASSERT(lustre_msg_get_opc(req->rq_reqmsg) == LDLM_GL_CALLBACK);
@@ -686,7 +686,7 @@ unsigned long osc_ldlm_weigh_ast(struct ldlm_lock *dlmlock)
struct osc_lock *oscl;
unsigned long weight;
bool found = false;
- int refcheck;
+ u16 refcheck;
might_sleep();
/*
diff --git a/drivers/staging/lustre/lustre/osc/osc_page.c b/drivers/staging/lustre/lustre/osc/osc_page.c
index 03ee340..ed8a0dc 100644
--- a/drivers/staging/lustre/lustre/osc/osc_page.c
+++ b/drivers/staging/lustre/lustre/osc/osc_page.c
@@ -681,7 +681,7 @@ static long osc_lru_reclaim(struct client_obd *cli, unsigned long npages)
struct lu_env *env;
struct cl_client_cache *cache = cli->cl_cache;
int max_scans;
- int refcheck;
+ u16 refcheck;
long rc = 0;
LASSERT(cache);
@@ -1045,7 +1045,7 @@ unsigned long osc_cache_shrink_scan(struct shrinker *sk,
struct client_obd *cli;
struct lu_env *env;
long shrank = 0;
- int refcheck;
+ u16 refcheck;
int rc;
if (!sc->nr_to_scan)
diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c
index 8e22807..4cf0664 100644
--- a/drivers/staging/lustre/lustre/osc/osc_request.c
+++ b/drivers/staging/lustre/lustre/osc/osc_request.c
@@ -2538,7 +2538,7 @@ static int osc_import_event(struct obd_device *obd,
case IMP_EVENT_INVALIDATE: {
struct ldlm_namespace *ns = obd->obd_namespace;
struct lu_env *env;
- int refcheck;
+ u16 refcheck;
ldlm_namespace_cleanup(ns, LDLM_FL_LOCAL_ONLY);
--
1.8.3.1
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