struct posix_acl *acl);
static int
-xattr_set_acl(struct inode *inode, int type, const void *value, size_t size)
+posix_acl_set(struct dentry *dentry, const char *name, const void *value,
+ size_t size, int flags, int type)
{
+ struct inode *inode = dentry->d_inode;
struct posix_acl *acl;
int error, error2;
struct reiserfs_transaction_handle th;
}
static int
-xattr_get_acl(struct inode *inode, int type, void *buffer, size_t size)
+posix_acl_get(struct dentry *dentry, const char *name, void *buffer,
+ size_t size, int type)
{
struct posix_acl *acl;
int error;
- if (!reiserfs_posixacl(inode->i_sb))
+ if (!reiserfs_posixacl(dentry->d_sb))
return -EOPNOTSUPP;
- acl = reiserfs_get_acl(inode, type);
+ acl = reiserfs_get_acl(dentry->d_inode, type);
if (IS_ERR(acl))
return PTR_ERR(acl);
if (acl == NULL)
return ERR_PTR(-EINVAL);
}
-static inline void iset_acl(struct inode *inode, struct posix_acl **i_acl,
- struct posix_acl *acl)
-{
- spin_lock(&inode->i_lock);
- if (*i_acl != ERR_PTR(-ENODATA))
- posix_acl_release(*i_acl);
- *i_acl = posix_acl_dup(acl);
- spin_unlock(&inode->i_lock);
-}
-
-static inline struct posix_acl *iget_acl(struct inode *inode,
- struct posix_acl **i_acl)
-{
- struct posix_acl *acl = ERR_PTR(-ENODATA);
-
- spin_lock(&inode->i_lock);
- if (*i_acl != ERR_PTR(-ENODATA))
- acl = posix_acl_dup(*i_acl);
- spin_unlock(&inode->i_lock);
-
- return acl;
-}
-
/*
* Inode operation get_posix_acl().
*
struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
{
char *name, *value;
- struct posix_acl *acl, **p_acl;
+ struct posix_acl *acl;
int size;
int retval;
- struct reiserfs_inode_info *reiserfs_i = REISERFS_I(inode);
+
+ acl = get_cached_acl(inode, type);
+ if (acl != ACL_NOT_CACHED)
+ return acl;
switch (type) {
case ACL_TYPE_ACCESS:
name = POSIX_ACL_XATTR_ACCESS;
- p_acl = &reiserfs_i->i_acl_access;
break;
case ACL_TYPE_DEFAULT:
name = POSIX_ACL_XATTR_DEFAULT;
- p_acl = &reiserfs_i->i_acl_default;
break;
default:
- return ERR_PTR(-EINVAL);
+ BUG();
}
- acl = iget_acl(inode, p_acl);
- if (acl && !IS_ERR(acl))
- return acl;
- else if (PTR_ERR(acl) == -ENODATA)
- return NULL;
-
size = reiserfs_xattr_get(inode, name, NULL, 0);
if (size < 0) {
if (size == -ENODATA || size == -ENOSYS) {
- *p_acl = ERR_PTR(-ENODATA);
+ set_cached_acl(inode, type, NULL);
return NULL;
}
return ERR_PTR(size);
/* This shouldn't actually happen as it should have
been caught above.. but just in case */
acl = NULL;
- *p_acl = ERR_PTR(-ENODATA);
} else if (retval < 0) {
acl = ERR_PTR(retval);
} else {
acl = posix_acl_from_disk(value, retval);
- if (!IS_ERR(acl))
- iset_acl(inode, p_acl, acl);
}
+ if (!IS_ERR(acl))
+ set_cached_acl(inode, type, acl);
kfree(value);
return acl;
{
char *name;
void *value = NULL;
- struct posix_acl **p_acl;
size_t size = 0;
int error;
- struct reiserfs_inode_info *reiserfs_i = REISERFS_I(inode);
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
switch (type) {
case ACL_TYPE_ACCESS:
name = POSIX_ACL_XATTR_ACCESS;
- p_acl = &reiserfs_i->i_acl_access;
if (acl) {
mode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
break;
case ACL_TYPE_DEFAULT:
name = POSIX_ACL_XATTR_DEFAULT;
- p_acl = &reiserfs_i->i_acl_default;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
kfree(value);
if (!error)
- iset_acl(inode, p_acl, acl);
+ set_cached_acl(inode, type, acl);
return error;
}
}
acl = reiserfs_get_acl(dir, ACL_TYPE_DEFAULT);
- if (IS_ERR(acl)) {
- if (PTR_ERR(acl) == -ENODATA)
- goto apply_umask;
+ if (IS_ERR(acl))
return PTR_ERR(acl);
- }
if (acl) {
struct posix_acl *acl_copy;
return error;
}
-static int
-posix_acl_access_get(struct inode *inode, const char *name,
- void *buffer, size_t size)
-{
- if (strlen(name) != sizeof(POSIX_ACL_XATTR_ACCESS) - 1)
- return -EINVAL;
- return xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size);
-}
-
-static int
-posix_acl_access_set(struct inode *inode, const char *name,
- const void *value, size_t size, int flags)
-{
- if (strlen(name) != sizeof(POSIX_ACL_XATTR_ACCESS) - 1)
- return -EINVAL;
- return xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size);
-}
-
-static size_t posix_acl_access_list(struct inode *inode, char *list,
+static size_t posix_acl_access_list(struct dentry *dentry, char *list,
size_t list_size, const char *name,
- size_t name_len)
+ size_t name_len, int type)
{
const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS);
- if (!reiserfs_posixacl(inode->i_sb))
+ if (!reiserfs_posixacl(dentry->d_sb))
return 0;
if (list && size <= list_size)
memcpy(list, POSIX_ACL_XATTR_ACCESS, size);
struct xattr_handler reiserfs_posix_acl_access_handler = {
.prefix = POSIX_ACL_XATTR_ACCESS,
- .get = posix_acl_access_get,
- .set = posix_acl_access_set,
+ .flags = ACL_TYPE_ACCESS,
+ .get = posix_acl_get,
+ .set = posix_acl_set,
.list = posix_acl_access_list,
};
-static int
-posix_acl_default_get(struct inode *inode, const char *name,
- void *buffer, size_t size)
-{
- if (strlen(name) != sizeof(POSIX_ACL_XATTR_DEFAULT) - 1)
- return -EINVAL;
- return xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size);
-}
-
-static int
-posix_acl_default_set(struct inode *inode, const char *name,
- const void *value, size_t size, int flags)
-{
- if (strlen(name) != sizeof(POSIX_ACL_XATTR_DEFAULT) - 1)
- return -EINVAL;
- return xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size);
-}
-
-static size_t posix_acl_default_list(struct inode *inode, char *list,
+static size_t posix_acl_default_list(struct dentry *dentry, char *list,
size_t list_size, const char *name,
- size_t name_len)
+ size_t name_len, int type)
{
const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT);
- if (!reiserfs_posixacl(inode->i_sb))
+ if (!reiserfs_posixacl(dentry->d_sb))
return 0;
if (list && size <= list_size)
memcpy(list, POSIX_ACL_XATTR_DEFAULT, size);
struct xattr_handler reiserfs_posix_acl_default_handler = {
.prefix = POSIX_ACL_XATTR_DEFAULT,
- .get = posix_acl_default_get,
- .set = posix_acl_default_set,
+ .flags = ACL_TYPE_DEFAULT,
+ .get = posix_acl_get,
+ .set = posix_acl_set,
.list = posix_acl_default_list,
};