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[PATCH] mark struct inode_operations const 2

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Many struct inode_operations in the kernel can be "const".  Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data.  In addition it'll catch accidental writes at compile time to
these shared resources.

Signed-off-by: Arjan van de Ven <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Arjan van de Ven 2007-02-12 00:55:39 -08:00 • committed by Linus Torvalds
commit 92e1d5be91
54 changed files with 105 additions and 105 deletions
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2
fs/hfs/dir.c
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@ -320,7 +320,7 @@ const struct file_operations hfs_dir_operations = {
.release = hfs_dir_release,
};
struct inode_operations hfs_dir_inode_operations = {
const struct inode_operations hfs_dir_inode_operations = {
.create = hfs_create,
.lookup = hfs_lookup,
.unlink = hfs_unlink,

2
fs/hfs/hfs_fs.h
View file

@ -170,7 +170,7 @@ extern void hfs_cat_build_key(struct super_block *, btree_key *, u32, struct qst
/* dir.c */
extern const struct file_operations hfs_dir_operations;
extern struct inode_operations hfs_dir_inode_operations;
extern const struct inode_operations hfs_dir_inode_operations;
/* extent.c */
extern int hfs_ext_keycmp(const btree_key *, const btree_key *);

4
fs/hfs/inode.c
View file

@ -18,7 +18,7 @@
#include "btree.h"
static const struct file_operations hfs_file_operations;
static struct inode_operations hfs_file_inode_operations;
static const struct inode_operations hfs_file_inode_operations;
/*================ Variable-like macros ================*/
@ -612,7 +612,7 @@ static const struct file_operations hfs_file_operations = {
.release = hfs_file_release,
};
static struct inode_operations hfs_file_inode_operations = {
static const struct inode_operations hfs_file_inode_operations = {
.lookup = hfs_file_lookup,
.truncate = hfs_file_truncate,
.setattr = hfs_inode_setattr,