The patch titled
Subject: lglock: add DEFINE_STATIC_LGLOCK()
has been removed from the -mm tree. Its filename was
lglock-add-define_static_lglock.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Subject: lglock: add DEFINE_STATIC_LGLOCK()
When the lglock doesn't need to be exported we can use
DEFINE_STATIC_LGLOCK().
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/file_table.c | 2 +-
include/linux/lglock.h | 8 +++++++-
2 files changed, 8 insertions(+), 2 deletions(-)
diff -puN fs/file_table.c~lglock-add-define_static_lglock fs/file_table.c
--- a/fs/file_table.c~lglock-add-define_static_lglock
+++ a/fs/file_table.c
@@ -36,7 +36,7 @@ struct files_stat_struct files_stat = {
.max_files = NR_FILE
};
-DEFINE_LGLOCK(files_lglock);
+DEFINE_STATIC_LGLOCK(files_lglock);
/* SLAB cache for file structures */
static struct kmem_cache *filp_cachep __read_mostly;
diff -puN include/linux/lglock.h~lglock-add-define_static_lglock include/linux/lglock.h
--- a/include/linux/lglock.h~lglock-add-define_static_lglock
+++ a/include/linux/lglock.h
@@ -32,7 +32,8 @@
#define br_write_lock(name) lg_global_lock(name)
#define br_write_unlock(name) lg_global_unlock(name)
-#define DEFINE_BRLOCK(name) DEFINE_LGLOCK(name)
+#define DEFINE_BRLOCK(name) DEFINE_LGLOCK(name)
+#define DEFINE_STATIC_BRLOCK(name) DEFINE_STATIC_LGLOCK(name)
#ifdef CONFIG_DEBUG_LOCK_ALLOC
#define LOCKDEP_INIT_MAP lockdep_init_map
@@ -53,6 +54,11 @@ struct lglock {
= __ARCH_SPIN_LOCK_UNLOCKED; \
struct lglock name = { .lock = &name ## _lock }
+#define DEFINE_STATIC_LGLOCK(name) \
+ static DEFINE_PER_CPU(arch_spinlock_t, name ## _lock) \
+ = __ARCH_SPIN_LOCK_UNLOCKED; \
+ static struct lglock name = { .lock = &name ## _lock }
+
void lg_lock_init(struct lglock *lg, char *name);
void lg_local_lock(struct lglock *lg);
void lg_local_unlock(struct lglock *lg);
_
Patches currently in -mm which might be from laijs@xxxxxxxxxxxxxx are
origin.patch
linux-next.patch
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