lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fs: xattr_handler table should be const

Browse Source 
The entries in xattr handler table should be immutable (ie const)
like other operation tables.

Later patches convert common filesystems. Uncoverted filesystems
will still work, but will generate a compiler warning.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Stephen Hemminger
2010-05-13 17:53:14 -07:00
committed by Al Viro
parent 18e9e5104f
commit bb4354538e
6 changed files with 15 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
fs/xattr.c
View File

@@ -590,10 +590,10 @@ strcmp_prefix(const char *a, const char *a_prefix)
/*
* Find the xattr_handler with the matching prefix.
*/
static struct xattr_handler *
xattr_resolve_name(struct xattr_handler **handlers, const char **name)
static const struct xattr_handler *
xattr_resolve_name(const struct xattr_handler **handlers, const char **name)
{
struct xattr_handler *handler;
const struct xattr_handler *handler;
if (!*name)
return NULL;
@@ -614,7 +614,7 @@ xattr_resolve_name(struct xattr_handler **handlers, const char **name)
ssize_t
generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size)
{
struct xattr_handler *handler;
const struct xattr_handler *handler;
handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);
if (!handler)
@@ -629,7 +629,7 @@ generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t s
ssize_t
generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
{
struct xattr_handler *handler, **handlers = dentry->d_sb->s_xattr;
const struct xattr_handler *handler, **handlers = dentry->d_sb->s_xattr;
unsigned int size = 0;
if (!buffer) {
@@ -659,7 +659,7 @@ generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
int
generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags)
{
struct xattr_handler *handler;
const struct xattr_handler *handler;
if (size == 0)
value = ""; /* empty EA, do not remove */
@@ -676,7 +676,7 @@ generic_setxattr(struct dentry *dentry, const char *name, const void *value, siz
int
generic_removexattr(struct dentry *dentry, const char *name)
{
struct xattr_handler *handler;
const struct xattr_handler *handler;
handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);
if (!handler)