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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 09:55:38 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 18:48:46 +0100
commit754661f143e70d66eae6c48532ca245aa05dec0e (patch)
treec3ed0f7f96061931e497ed92d2b21294756b4831 /fs/ext2/ext2.h
parent[PATCH] mark struct file_operations const 9 (diff)
downloadlinux-754661f143e70d66eae6c48532ca245aa05dec0e.tar.xz
linux-754661f143e70d66eae6c48532ca245aa05dec0e.zip
[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/ext2/ext2.h')
-rw-r--r--fs/ext2/ext2.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index c19ac153f56b..e2a0ea50af1d 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -158,7 +158,7 @@ extern void ext2_write_super (struct super_block *);
extern const struct file_operations ext2_dir_operations;
/* file.c */
-extern struct inode_operations ext2_file_inode_operations;
+extern const struct inode_operations ext2_file_inode_operations;
extern const struct file_operations ext2_file_operations;
extern const struct file_operations ext2_xip_file_operations;
@@ -168,9 +168,9 @@ extern const struct address_space_operations ext2_aops_xip;
extern const struct address_space_operations ext2_nobh_aops;
/* namei.c */
-extern struct inode_operations ext2_dir_inode_operations;
-extern struct inode_operations ext2_special_inode_operations;
+extern const struct inode_operations ext2_dir_inode_operations;
+extern const struct inode_operations ext2_special_inode_operations;
/* symlink.c */
-extern struct inode_operations ext2_fast_symlink_inode_operations;
-extern struct inode_operations ext2_symlink_inode_operations;
+extern const struct inode_operations ext2_fast_symlink_inode_operations;
+extern const struct inode_operations ext2_symlink_inode_operations;