[PATCH v2 4/9] make inode_cache statically allocated

[Al Viro]

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
 fs/inode.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/inode.c b/fs/inode.c
index 62c579a0cf7d..1c657ac99084 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -23,6 +23,7 @@
 #include <linux/rw_hint.h>
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
+#include <linux/slab-static.h>
 #include <trace/events/writeback.h>
 #define CREATE_TRACE_POINTS
 #include <trace/events/timestamp.h>
@@ -76,7 +77,8 @@ EXPORT_SYMBOL(empty_aops);
 static DEFINE_PER_CPU(unsigned long, nr_inodes);
 static DEFINE_PER_CPU(unsigned long, nr_unused);
 
-static struct kmem_cache *inode_cachep __ro_after_init;
+static struct kmem_cache_opaque inode_cache;
+#define inode_cachep to_kmem_cache(&inode_cache)
 
 static long get_nr_inodes(void)
 {
@@ -2598,7 +2600,7 @@ void __init inode_init_early(void)
 void __init inode_init(void)
 {
 	/* inode slab cache */
-	inode_cachep = kmem_cache_create("inode_cache",
+	kmem_cache_setup(inode_cachep, "inode_cache",
 					 sizeof(struct inode),
 					 0,
 					 (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|
-- 
2.47.3