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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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2
fs/jfs/file.c
View file

@ -100,7 +100,7 @@ struct inode_operations jfs_file_inode_operations = {
#endif
};
struct file_operations jfs_file_operations = {
const struct file_operations jfs_file_operations = {
.open = jfs_open,
.llseek = generic_file_llseek,
.write = generic_file_write,

4
fs/jfs/jfs_inode.h
View file

@ -35,9 +35,9 @@ extern void jfs_set_inode_flags(struct inode *);
extern struct address_space_operations jfs_aops;
extern struct inode_operations jfs_dir_inode_operations;
extern struct file_operations jfs_dir_operations;
extern const struct file_operations jfs_dir_operations;
extern struct inode_operations jfs_file_inode_operations;
extern struct file_operations jfs_file_operations;
extern const struct file_operations jfs_file_operations;
extern struct inode_operations jfs_symlink_inode_operations;
extern struct dentry_operations jfs_ci_dentry_operations;
#endif /* _H_JFS_INODE */

2
fs/jfs/namei.c
View file

@ -1519,7 +1519,7 @@ struct inode_operations jfs_dir_inode_operations = {
#endif
};
struct file_operations jfs_dir_operations = {
const struct file_operations jfs_dir_operations = {
.read = generic_read_dir,
.readdir = jfs_readdir,
.fsync = jfs_fsync,