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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/hfsplus
parent754661f143e70d66eae6c48532ca245aa05dec0e (diff)
downloadop-kernel-dev-92e1d5be91a0e3ffa5c4697eeb09b2aa22792122.zip
op-kernel-dev-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/hfsplus')
-rw-r--r--fs/hfsplus/dir.c2
-rw-r--r--fs/hfsplus/inode.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index e886ac8..7813700 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -471,7 +471,7 @@ static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry,
return res;
}
-struct inode_operations hfsplus_dir_inode_operations = {
+const struct inode_operations hfsplus_dir_inode_operations = {
.lookup = hfsplus_lookup,
.create = hfsplus_create,
.link = hfsplus_link,
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 75e8c4d..642012a 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -268,10 +268,10 @@ static int hfsplus_file_release(struct inode *inode, struct file *file)
return 0;
}
-extern struct inode_operations hfsplus_dir_inode_operations;
+extern const struct inode_operations hfsplus_dir_inode_operations;
extern struct file_operations hfsplus_dir_operations;
-static struct inode_operations hfsplus_file_inode_operations = {
+static const struct inode_operations hfsplus_file_inode_operations = {
.lookup = hfsplus_file_lookup,
.truncate = hfsplus_file_truncate,
.permission = hfsplus_permission,
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