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[PATCH] mark struct inode_operations const 1

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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 00:55:38 -08:00 • committed by Linus Torvalds
commit 754661f143
57 changed files with 100 additions and 100 deletions
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4
fs/configfs/configfs_internal.h
View file

@ -75,8 +75,8 @@ extern struct super_block * configfs_sb;
extern const struct file_operations configfs_dir_operations;
extern const struct file_operations configfs_file_operations;
extern const struct file_operations bin_fops;
extern struct inode_operations configfs_dir_inode_operations;
extern struct inode_operations configfs_symlink_inode_operations;
extern const struct inode_operations configfs_dir_inode_operations;
extern const struct inode_operations configfs_symlink_inode_operations;
extern int configfs_symlink(struct inode *dir, struct dentry *dentry,
const char *symname);

2
fs/configfs/dir.c
View file

@ -930,7 +930,7 @@ static int configfs_rmdir(struct inode *dir, struct dentry *dentry)
return 0;
}
struct inode_operations configfs_dir_inode_operations = {
const struct inode_operations configfs_dir_inode_operations = {
.mkdir = configfs_mkdir,
.rmdir = configfs_rmdir,
.symlink = configfs_symlink,

2
fs/configfs/inode.c
View file

@ -49,7 +49,7 @@ static struct backing_dev_info configfs_backing_dev_info = {
.capabilities = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK,
};
static struct inode_operations configfs_inode_operations ={
static const struct inode_operations configfs_inode_operations ={
.setattr = configfs_setattr,
};

2
fs/configfs/symlink.c
View file

@ -272,7 +272,7 @@ static void configfs_put_link(struct dentry *dentry, struct nameidata *nd,
}
}
struct inode_operations configfs_symlink_inode_operations = {
const struct inode_operations configfs_symlink_inode_operations = {
.follow_link = configfs_follow_link,
.readlink = generic_readlink,
.put_link = configfs_put_link,