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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:40 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commitc5ef1c42c51b1b5b4a401a6517bdda30933ddbaf (patch)
treee1a9804a8af427f700aaba4b386cf8679b317e83 /fs/udf
parent92e1d5be91a0e3ffa5c4697eeb09b2aa22792122 (diff)
downloadop-kernel-dev-c5ef1c42c51b1b5b4a401a6517bdda30933ddbaf.zip
op-kernel-dev-c5ef1c42c51b1b5b4a401a6517bdda30933ddbaf.tar.gz
[PATCH] mark struct inode_operations const 3
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/udf')
-rw-r--r--fs/udf/file.c2
-rw-r--r--fs/udf/namei.c2
-rw-r--r--fs/udf/udfdecl.h4
3 files changed, 4 insertions, 4 deletions
diff --git a/fs/udf/file.c b/fs/udf/file.c
index d81f2db..40d5047d 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -263,6 +263,6 @@ const struct file_operations udf_file_operations = {
.sendfile = generic_file_sendfile,
};
-struct inode_operations udf_file_inode_operations = {
+const struct inode_operations udf_file_inode_operations = {
.truncate = udf_truncate,
};
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 7316332..fe361cd 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -1308,7 +1308,7 @@ end_rename:
return retval;
}
-struct inode_operations udf_dir_inode_operations = {
+const struct inode_operations udf_dir_inode_operations = {
.lookup = udf_lookup,
.create = udf_create,
.link = udf_link,
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 1033b7c..ee1dece 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -42,9 +42,9 @@ struct task_struct;
struct buffer_head;
struct super_block;
-extern struct inode_operations udf_dir_inode_operations;
+extern const struct inode_operations udf_dir_inode_operations;
extern const struct file_operations udf_dir_operations;
-extern struct inode_operations udf_file_inode_operations;
+extern const struct inode_operations udf_file_inode_operations;
extern const struct file_operations udf_file_operations;
extern const struct address_space_operations udf_aops;
extern const struct address_space_operations udf_adinicb_aops;
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