Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
fs: hide names_cache behind runtime const machinery
s/names_cachep/names_cache/ for consistency with dentry cache.
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
authored by
Mateusz Guzik
and committed by
Al Viro
7ca83f8e
8c888b31
+12
-7
+10
-6
fs/namei.c
+10
-6
fs/namei.c
···
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#include <linux/init_task.h>
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#include <linux/uaccess.h>
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#include <asm/runtime-const.h>
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#include "internal.h"
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#include "mount.h"
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···
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*/
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/* SLAB cache for struct filename instances */
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static struct kmem_cache *names_cachep __ro_after_init;
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static struct kmem_cache *__names_cache __ro_after_init;
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#define names_cache runtime_const_ptr(__names_cache)
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void __init filename_init(void)
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{
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names_cachep = kmem_cache_create_usercopy("names_cache", sizeof(struct filename), 0,
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SLAB_HWCACHE_ALIGN|SLAB_PANIC, offsetof(struct filename, iname),
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EMBEDDED_NAME_MAX, NULL);
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__names_cache = kmem_cache_create_usercopy("names_cache", sizeof(struct filename), 0,
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SLAB_HWCACHE_ALIGN|SLAB_PANIC, offsetof(struct filename, iname),
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EMBEDDED_NAME_MAX, NULL);
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runtime_const_init(ptr, __names_cache);
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}
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static inline struct filename *alloc_filename(void)
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{
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return kmem_cache_alloc(names_cachep, GFP_KERNEL);
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return kmem_cache_alloc(names_cache, GFP_KERNEL);
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}
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static inline void free_filename(struct filename *p)
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{
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kmem_cache_free(names_cachep, p);
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kmem_cache_free(names_cache, p);
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}
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static inline void initname(struct filename *name)
+2
-1
include/asm-generic/vmlinux.lds.h
+2
-1
include/asm-generic/vmlinux.lds.h
···
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#define RUNTIME_CONST_VARIABLES \
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RUNTIME_CONST(shift, d_hash_shift) \
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RUNTIME_CONST(ptr, dentry_hashtable) \
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RUNTIME_CONST(ptr, __dentry_cache)
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RUNTIME_CONST(ptr, __dentry_cache) \
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RUNTIME_CONST(ptr, __names_cache)
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/* Alignment must be consistent with (kunit_suite *) in include/kunit/test.h */
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#define KUNIT_TABLE() \