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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/jfs/jfs_inode.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/jfs/jfs_inode.h')
-rw-r--r--fs/jfs/jfs_inode.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index 0d06ccf..6802837 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -35,10 +35,10 @@ extern void jfs_set_inode_flags(struct inode *);
extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
extern const struct address_space_operations jfs_aops;
-extern struct inode_operations jfs_dir_inode_operations;
+extern const struct inode_operations jfs_dir_inode_operations;
extern const struct file_operations jfs_dir_operations;
-extern struct inode_operations jfs_file_inode_operations;
+extern const struct inode_operations jfs_file_inode_operations;
extern const struct file_operations jfs_file_operations;
-extern struct inode_operations jfs_symlink_inode_operations;
+extern const struct inode_operations jfs_symlink_inode_operations;
extern struct dentry_operations jfs_ci_dentry_operations;
#endif /* _H_JFS_INODE */
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