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[PATCH] mark struct inode_operations const 2

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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 <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Arjan van de Ven
2007-02-12 00:55:39 -08:00
committed by Linus Torvalds
parent 754661f143
commit 92e1d5be91
54 changed files with 105 additions and 105 deletions
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fs/ntfs/file.c
+2 -2
View File
@@ -2328,7 +2328,7 @@ const struct file_operations ntfs_file_ops = {
the data source. */
};
struct inode_operations ntfs_file_inode_ops = {
const struct inode_operations ntfs_file_inode_ops = {
#ifdef NTFS_RW
.truncate = ntfs_truncate_vfs,
.setattr = ntfs_setattr,
@@ -2337,4 +2337,4 @@ struct inode_operations ntfs_file_inode_ops = {
const struct file_operations ntfs_empty_file_ops = {};
struct inode_operations ntfs_empty_inode_ops = {};
const struct inode_operations ntfs_empty_inode_ops = {};
fs/ntfs/namei.c
+1 -1
View File
@@ -359,7 +359,7 @@ err_out:
/**
* Inode operations for directories.
*/
struct inode_operations ntfs_dir_inode_ops = {
const struct inode_operations ntfs_dir_inode_ops = {
.lookup = ntfs_lookup, /* VFS: Lookup directory. */
};
fs/ntfs/ntfs.h
+3 -3
View File
@@ -61,13 +61,13 @@ extern const struct address_space_operations ntfs_aops;
extern const struct address_space_operations ntfs_mst_aops;
extern const struct file_operations ntfs_file_ops;
extern struct inode_operations ntfs_file_inode_ops;
extern const struct inode_operations ntfs_file_inode_ops;
extern const struct file_operations ntfs_dir_ops;
extern struct inode_operations ntfs_dir_inode_ops;
extern const struct inode_operations ntfs_dir_inode_ops;
extern const struct file_operations ntfs_empty_file_ops;
extern struct inode_operations ntfs_empty_inode_ops;
extern const struct inode_operations ntfs_empty_inode_ops;
extern struct export_operations ntfs_export_ops;