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[PATCH] Make most file operations structs in fs/ const

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This is a conversion to make the various file_operations structs in fs/
const.  Basically a regexp job, with a few manual fixups

The goal is both to increase correctness (harder to accidentally write to
shared datastructures) and reducing the false sharing of cachelines with
things that get dirty in .data (while .rodata is nicely read only and thus
cache clean)

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Arjan van de Ven
2006-03-28 01:56:42 -08:00
committed by Linus Torvalds
parent 99ac48f54a
commit 4b6f5d20b0
139 changed files with 225 additions and 225 deletions
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2
fs/hfs/dir.c
View File

@@ -313,7 +313,7 @@ static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry,
return res;
}
struct file_operations hfs_dir_operations = {
const struct file_operations hfs_dir_operations = {
.read = generic_read_dir,
.readdir = hfs_readdir,
.llseek = generic_file_llseek,

2
fs/hfs/hfs_fs.h
View File

@@ -169,7 +169,7 @@ extern int hfs_cat_move(u32, struct inode *, struct qstr *,
extern void hfs_cat_build_key(struct super_block *, btree_key *, u32, struct qstr *);
/* dir.c */
extern struct file_operations hfs_dir_operations;
extern const struct file_operations hfs_dir_operations;
extern struct inode_operations hfs_dir_inode_operations;
/* extent.c */

4
fs/hfs/inode.c
View File

@@ -17,7 +17,7 @@
#include "hfs_fs.h"
#include "btree.h"
static struct file_operations hfs_file_operations;
static const struct file_operations hfs_file_operations;
static struct inode_operations hfs_file_inode_operations;
/*================ Variable-like macros ================*/
@@ -601,7 +601,7 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr)
}
static struct file_operations hfs_file_operations = {
static const struct file_operations hfs_file_operations = {
.llseek = generic_file_llseek,
.read = generic_file_read,
.write = generic_file_write,