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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/freevxfs
parent9c2e08c592cd357a8330c34def1e8ecfdcf53275 (diff)
downloadlwn-754661f143e70d66eae6c48532ca245aa05dec0e.tar.gz
lwn-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/freevxfs')
-rw-r--r--fs/freevxfs/vxfs_extern.h2
-rw-r--r--fs/freevxfs/vxfs_immed.c2
-rw-r--r--fs/freevxfs/vxfs_inode.c2
-rw-r--r--fs/freevxfs/vxfs_lookup.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/fs/freevxfs/vxfs_extern.h b/fs/freevxfs/vxfs_extern.h
index 1cf1fe8466a2..91ccee8723f7 100644
--- a/fs/freevxfs/vxfs_extern.h
+++ b/fs/freevxfs/vxfs_extern.h
@@ -62,7 +62,7 @@ extern void vxfs_read_inode(struct inode *);
extern void vxfs_clear_inode(struct inode *);
/* vxfs_lookup.c */
-extern struct inode_operations vxfs_dir_inode_ops;
+extern const struct inode_operations vxfs_dir_inode_ops;
extern const struct file_operations vxfs_dir_operations;
/* vxfs_olt.c */
diff --git a/fs/freevxfs/vxfs_immed.c b/fs/freevxfs/vxfs_immed.c
index 4e25f3fbed86..24b5a775ff96 100644
--- a/fs/freevxfs/vxfs_immed.c
+++ b/fs/freevxfs/vxfs_immed.c
@@ -48,7 +48,7 @@ static int vxfs_immed_readpage(struct file *, struct page *);
* Unliked all other operations we do not go through the pagecache,
* but do all work directly on the inode.
*/
-struct inode_operations vxfs_immed_symlink_iops = {
+const struct inode_operations vxfs_immed_symlink_iops = {
.readlink = generic_readlink,
.follow_link = vxfs_immed_follow_link,
};
diff --git a/fs/freevxfs/vxfs_inode.c b/fs/freevxfs/vxfs_inode.c
index 0b7ae897cb78..098a915fd9a1 100644
--- a/fs/freevxfs/vxfs_inode.c
+++ b/fs/freevxfs/vxfs_inode.c
@@ -44,7 +44,7 @@
extern const struct address_space_operations vxfs_aops;
extern const struct address_space_operations vxfs_immed_aops;
-extern struct inode_operations vxfs_immed_symlink_iops;
+extern const struct inode_operations vxfs_immed_symlink_iops;
struct kmem_cache *vxfs_inode_cachep;
diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c
index 3995d7fbedab..bf86e5444ea6 100644
--- a/fs/freevxfs/vxfs_lookup.c
+++ b/fs/freevxfs/vxfs_lookup.c
@@ -52,7 +52,7 @@
static struct dentry * vxfs_lookup(struct inode *, struct dentry *, struct nameidata *);
static int vxfs_readdir(struct file *, void *, filldir_t);
-struct inode_operations vxfs_dir_inode_ops = {
+const struct inode_operations vxfs_dir_inode_ops = {
.lookup = vxfs_lookup,
};