diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:46 -0800 |
| commit | 754661f143e70d66eae6c48532ca245aa05dec0e (patch) | |
| tree | c3ed0f7f96061931e497ed92d2b21294756b4831 /fs/adfs | |
| parent | 9c2e08c592cd357a8330c34def1e8ecfdcf53275 (diff) | |
| download | lwn-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/adfs')
| -rw-r--r-- | fs/adfs/adfs.h | 4 | ||||
| -rw-r--r-- | fs/adfs/dir.c | 2 | ||||
| -rw-r--r-- | fs/adfs/file.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h index 29217ff36d44..936f2af39c43 100644 --- a/fs/adfs/adfs.h +++ b/fs/adfs/adfs.h @@ -84,7 +84,7 @@ void __adfs_error(struct super_block *sb, const char *function, */ /* dir_*.c */ -extern struct inode_operations adfs_dir_inode_operations; +extern const struct inode_operations adfs_dir_inode_operations; extern const struct file_operations adfs_dir_operations; extern struct dentry_operations adfs_dentry_operations; extern struct adfs_dir_ops adfs_f_dir_ops; @@ -93,7 +93,7 @@ extern struct adfs_dir_ops adfs_fplus_dir_ops; extern int adfs_dir_update(struct super_block *sb, struct object_info *obj); /* file.c */ -extern struct inode_operations adfs_file_inode_operations; +extern const struct inode_operations adfs_file_inode_operations; extern const struct file_operations adfs_file_operations; static inline __u32 signed_asl(__u32 val, signed int shift) diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c index 2b8903893d3f..fc1a8dc64d78 100644 --- a/fs/adfs/dir.c +++ b/fs/adfs/dir.c @@ -295,7 +295,7 @@ adfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) /* * directories can handle most operations... */ -struct inode_operations adfs_dir_inode_operations = { +const struct inode_operations adfs_dir_inode_operations = { .lookup = adfs_lookup, .setattr = adfs_notify_change, }; diff --git a/fs/adfs/file.c b/fs/adfs/file.c index 6101ea679cb1..f544a2855923 100644 --- a/fs/adfs/file.c +++ b/fs/adfs/file.c @@ -36,6 +36,6 @@ const struct file_operations adfs_file_operations = { .sendfile = generic_file_sendfile, }; -struct inode_operations adfs_file_inode_operations = { +const struct inode_operations adfs_file_inode_operations = { .setattr = adfs_notify_change, }; |