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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:39 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commit92e1d5be91a0e3ffa5c4697eeb09b2aa22792122 (patch)
tree4eb22a9f6c38e9f4cc2a5100cd6659b0af08b7ae /fs/ntfs
parent754661f143e70d66eae6c48532ca245aa05dec0e (diff)
downloadlinux-linaro-92e1d5be91a0e3ffa5c4697eeb09b2aa22792122.tar.gz
[PATCH] mark struct inode_operations const 2
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>
Diffstat (limited to 'fs/ntfs')
-rw-r--r--fs/ntfs/file.c4
-rw-r--r--fs/ntfs/namei.c2
-rw-r--r--fs/ntfs/ntfs.h6
3 files changed, 6 insertions, 6 deletions
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 076c9420c25..d69c4595ccd 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -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 = {};
diff --git a/fs/ntfs/namei.c b/fs/ntfs/namei.c
index eddb2247cec..bff01a54675 100644
--- a/fs/ntfs/namei.c
+++ b/fs/ntfs/namei.c
@@ -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. */
};
diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h
index a12847ae467..d73f5a9ac34 100644
--- a/fs/ntfs/ntfs.h
+++ b/fs/ntfs/ntfs.h
@@ -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;