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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/affs/affs.h
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/affs/affs.h')
-rw-r--r--fs/affs/affs.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 1dc8438..7db2d28 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -188,9 +188,9 @@ extern void affs_dir_truncate(struct inode *);
/* jump tables */
-extern struct inode_operations affs_file_inode_operations;
-extern struct inode_operations affs_dir_inode_operations;
-extern struct inode_operations affs_symlink_inode_operations;
+extern const struct inode_operations affs_file_inode_operations;
+extern const struct inode_operations affs_dir_inode_operations;
+extern const struct inode_operations affs_symlink_inode_operations;
extern const struct file_operations affs_file_operations;
extern const struct file_operations affs_file_operations_ofs;
extern const struct file_operations affs_dir_operations;
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