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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/ufs
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/ufs')
-rw-r--r--fs/ufs/namei.c2
-rw-r--r--fs/ufs/symlink.c2
-rw-r--r--fs/ufs/truncate.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index e84c0ec..a059ccd 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -355,7 +355,7 @@ out:
return err;
}
-struct inode_operations ufs_dir_inode_operations = {
+const struct inode_operations ufs_dir_inode_operations = {
.create = ufs_create,
.lookup = ufs_lookup,
.link = ufs_link,
diff --git a/fs/ufs/symlink.c b/fs/ufs/symlink.c
index 337512e..d8549f8 100644
--- a/fs/ufs/symlink.c
+++ b/fs/ufs/symlink.c
@@ -36,7 +36,7 @@ static void *ufs_follow_link(struct dentry *dentry, struct nameidata *nd)
return NULL;
}
-struct inode_operations ufs_fast_symlink_inode_operations = {
+const struct inode_operations ufs_fast_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = ufs_follow_link,
};
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index 77ed779..749581f 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -513,6 +513,6 @@ static int ufs_setattr(struct dentry *dentry, struct iattr *attr)
return inode_setattr(inode, attr);
}
-struct inode_operations ufs_file_inode_operations = {
+const struct inode_operations ufs_file_inode_operations = {
.setattr = ufs_setattr,
};
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