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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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2
fs/freevxfs/vxfs_extern.h
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@ -62,7 +62,7 @@ extern void vxfs_read_inode(struct inode *);
extern void vxfs_clear_inode(struct inode *);
/* vxfs_lookup.c */
extern struct inode_operations vxfs_dir_inode_ops;
extern const struct inode_operations vxfs_dir_inode_ops;
extern const struct file_operations vxfs_dir_operations;
/* vxfs_olt.c */

2
fs/freevxfs/vxfs_immed.c
View file

@ -48,7 +48,7 @@ static int vxfs_immed_readpage(struct file *, struct page *);
* Unliked all other operations we do not go through the pagecache,
* but do all work directly on the inode.
*/
struct inode_operations vxfs_immed_symlink_iops = {
const struct inode_operations vxfs_immed_symlink_iops = {
.readlink = generic_readlink,
.follow_link = vxfs_immed_follow_link,
};

2
fs/freevxfs/vxfs_inode.c
View file

@ -44,7 +44,7 @@
extern const struct address_space_operations vxfs_aops;
extern const struct address_space_operations vxfs_immed_aops;
extern struct inode_operations vxfs_immed_symlink_iops;
extern const struct inode_operations vxfs_immed_symlink_iops;
struct kmem_cache *vxfs_inode_cachep;

2
fs/freevxfs/vxfs_lookup.c
View file

@ -52,7 +52,7 @@
static struct dentry * vxfs_lookup(struct inode *, struct dentry *, struct nameidata *);
static int vxfs_readdir(struct file *, void *, filldir_t);
struct inode_operations vxfs_dir_inode_ops = {
const struct inode_operations vxfs_dir_inode_ops = {
.lookup = vxfs_lookup,
};