diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:40 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:46 -0800 |
| commit | c5ef1c42c51b1b5b4a401a6517bdda30933ddbaf (patch) | |
| tree | e1a9804a8af427f700aaba4b386cf8679b317e83 /fs/sysfs | |
| parent | 92e1d5be91a0e3ffa5c4697eeb09b2aa22792122 (diff) | |
[PATCH] mark struct inode_operations const 3
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/sysfs')
| -rw-r--r-- | fs/sysfs/dir.c | 2 | ||||
| -rw-r--r-- | fs/sysfs/inode.c | 2 | ||||
| -rw-r--r-- | fs/sysfs/symlink.c | 2 | ||||
| -rw-r--r-- | fs/sysfs/sysfs.h | 4 |
4 files changed, 5 insertions, 5 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 9e95e7abaf6..8813990304f 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -296,7 +296,7 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry, return ERR_PTR(err); } -struct inode_operations sysfs_dir_inode_operations = { +const struct inode_operations sysfs_dir_inode_operations = { .lookup = sysfs_lookup, .setattr = sysfs_setattr, }; diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index 542d2bcc73d..dd1344b007f 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -29,7 +29,7 @@ static struct backing_dev_info sysfs_backing_dev_info = { .capabilities = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK, }; -static struct inode_operations sysfs_inode_operations ={ +static const struct inode_operations sysfs_inode_operations ={ .setattr = sysfs_setattr, }; diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index 4869f611192..7b9c5bfde92 100644 --- a/fs/sysfs/symlink.c +++ b/fs/sysfs/symlink.c @@ -181,7 +181,7 @@ static void sysfs_put_link(struct dentry *dentry, struct nameidata *nd, void *co free_page((unsigned long)page); } -struct inode_operations sysfs_symlink_inode_operations = { +const struct inode_operations sysfs_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = sysfs_follow_link, .put_link = sysfs_put_link, diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index fe1cbfd208e..d976b000554 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -26,8 +26,8 @@ extern struct super_block * sysfs_sb; extern const struct file_operations sysfs_dir_operations; extern const struct file_operations sysfs_file_operations; extern const struct file_operations bin_fops; -extern struct inode_operations sysfs_dir_inode_operations; -extern struct inode_operations sysfs_symlink_inode_operations; +extern const struct inode_operations sysfs_dir_inode_operations; +extern const struct inode_operations sysfs_symlink_inode_operations; struct sysfs_symlink { char * link_name; |