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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 <[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 2006-03-28 01:56:42 -08:00 • committed by Linus Torvalds
commit 4b6f5d20b0
139 changed files with 225 additions and 225 deletions
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4
fs/9p/v9fs_vfs.h
View file

@ -39,8 +39,8 @@
extern struct file_system_type v9fs_fs_type;
extern struct address_space_operations v9fs_addr_operations;
extern struct file_operations v9fs_file_operations;
extern struct file_operations v9fs_dir_operations;
extern const struct file_operations v9fs_file_operations;
extern const struct file_operations v9fs_dir_operations;
extern struct dentry_operations v9fs_dentry_operations;
struct inode *v9fs_get_inode(struct super_block *sb, int mode);

2
fs/9p/vfs_dir.c
View file

@ -204,7 +204,7 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
return 0;
}
struct file_operations v9fs_dir_operations = {
const struct file_operations v9fs_dir_operations = {
.read = generic_read_dir,
.readdir = v9fs_dir_readdir,
.open = v9fs_file_open,

2
fs/9p/vfs_file.c
View file

@ -266,7 +266,7 @@ v9fs_file_write(struct file *filp, const char __user * data,
return total;
}
struct file_operations v9fs_file_operations = {
const struct file_operations v9fs_file_operations = {
.llseek = generic_file_llseek,
.read = v9fs_file_read,
.write = v9fs_file_write,