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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/jffs2/os-linux.h
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/jffs2/os-linux.h')
-rw-r--r--fs/jffs2/os-linux.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 9f41fc0..e07a0ed 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -153,11 +153,11 @@ void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c);
/* dir.c */
extern const struct file_operations jffs2_dir_operations;
-extern struct inode_operations jffs2_dir_inode_operations;
+extern const struct inode_operations jffs2_dir_inode_operations;
/* file.c */
extern const struct file_operations jffs2_file_operations;
-extern struct inode_operations jffs2_file_inode_operations;
+extern const struct inode_operations jffs2_file_inode_operations;
extern const struct address_space_operations jffs2_file_address_operations;
int jffs2_fsync(struct file *, struct dentry *, int);
int jffs2_do_readpage_unlock (struct inode *inode, struct page *pg);
@@ -166,7 +166,7 @@ int jffs2_do_readpage_unlock (struct inode *inode, struct page *pg);
int jffs2_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
/* symlink.c */
-extern struct inode_operations jffs2_symlink_inode_operations;
+extern const struct inode_operations jffs2_symlink_inode_operations;
/* fs.c */
int jffs2_setattr (struct dentry *, struct iattr *);
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