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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/hpfs
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/hpfs')
-rw-r--r--fs/hpfs/file.c2
-rw-r--r--fs/hpfs/hpfs_fn.h4
-rw-r--r--fs/hpfs/namei.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index fb4c891..b4eafc0 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -132,7 +132,7 @@ const struct file_operations hpfs_file_ops =
.sendfile = generic_file_sendfile,
};
-struct inode_operations hpfs_file_iops =
+const struct inode_operations hpfs_file_iops =
{
.truncate = hpfs_truncate,
.setattr = hpfs_notify_change,
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 1c07aa8..42ff60c 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -266,7 +266,7 @@ void hpfs_set_ea(struct inode *, struct fnode *, char *, char *, int);
int hpfs_file_fsync(struct file *, struct dentry *, int);
extern const struct file_operations hpfs_file_ops;
-extern struct inode_operations hpfs_file_iops;
+extern const struct inode_operations hpfs_file_iops;
extern const struct address_space_operations hpfs_aops;
/* inode.c */
@@ -302,7 +302,7 @@ void hpfs_decide_conv(struct inode *, unsigned char *, unsigned);
/* namei.c */
-extern struct inode_operations hpfs_dir_iops;
+extern const struct inode_operations hpfs_dir_iops;
extern const struct address_space_operations hpfs_symlink_aops;
static inline struct hpfs_inode_info *hpfs_i(struct inode *inode)
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index 2507e73..9953cf9 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -659,7 +659,7 @@ end1:
return err;
}
-struct inode_operations hpfs_dir_iops =
+const struct inode_operations hpfs_dir_iops =
{
.create = hpfs_create,
.lookup = hpfs_lookup,
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