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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:38 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commit754661f143e70d66eae6c48532ca245aa05dec0e (patch)
treec3ed0f7f96061931e497ed92d2b21294756b4831 /fs/configfs
parent9c2e08c592cd357a8330c34def1e8ecfdcf53275 (diff)
downloadop-kernel-dev-754661f143e70d66eae6c48532ca245aa05dec0e.zip
op-kernel-dev-754661f143e70d66eae6c48532ca245aa05dec0e.tar.gz
[PATCH] mark struct inode_operations const 1
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/configfs')
-rw-r--r--fs/configfs/configfs_internal.h4
-rw-r--r--fs/configfs/dir.c2
-rw-r--r--fs/configfs/inode.c2
-rw-r--r--fs/configfs/symlink.c2
4 files changed, 5 insertions, 5 deletions
diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h
index f92cd30..7b48c03 100644
--- a/fs/configfs/configfs_internal.h
+++ b/fs/configfs/configfs_internal.h
@@ -75,8 +75,8 @@ extern struct super_block * configfs_sb;
extern const struct file_operations configfs_dir_operations;
extern const struct file_operations configfs_file_operations;
extern const struct file_operations bin_fops;
-extern struct inode_operations configfs_dir_inode_operations;
-extern struct inode_operations configfs_symlink_inode_operations;
+extern const struct inode_operations configfs_dir_inode_operations;
+extern const struct inode_operations configfs_symlink_inode_operations;
extern int configfs_symlink(struct inode *dir, struct dentry *dentry,
const char *symname);
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 9371ee2..34750d5 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -930,7 +930,7 @@ static int configfs_rmdir(struct inode *dir, struct dentry *dentry)
return 0;
}
-struct inode_operations configfs_dir_inode_operations = {
+const struct inode_operations configfs_dir_inode_operations = {
.mkdir = configfs_mkdir,
.rmdir = configfs_rmdir,
.symlink = configfs_symlink,
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index fb18917..2ec9bea 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -49,7 +49,7 @@ static struct backing_dev_info configfs_backing_dev_info = {
.capabilities = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK,
};
-static struct inode_operations configfs_inode_operations ={
+static const struct inode_operations configfs_inode_operations ={
.setattr = configfs_setattr,
};
diff --git a/fs/configfs/symlink.c b/fs/configfs/symlink.c
index fb65e08..22700d2 100644
--- a/fs/configfs/symlink.c
+++ b/fs/configfs/symlink.c
@@ -272,7 +272,7 @@ static void configfs_put_link(struct dentry *dentry, struct nameidata *nd,
}
}
-struct inode_operations configfs_symlink_inode_operations = {
+const struct inode_operations configfs_symlink_inode_operations = {
.follow_link = configfs_follow_link,
.readlink = generic_readlink,
.put_link = configfs_put_link,
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