static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
{
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
int rc, xprefix;
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
switch (type) {
case ACL_TYPE_ACCESS:
xprefix = JFFS2_XPREFIX_ACL_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
rc = posix_acl_equiv_mode(acl, &mode);
if (rc < 0)
return rc;
if (inode->i_mode != mode) {
struct iattr attr;
attr.ia_valid = ATTR_MODE;
attr.ia_mode = mode;
rc = jffs2_do_setattr(inode, &attr);
if (rc < 0)
return rc;
}
if (rc == 0)
acl = NULL;
}
break;
case ACL_TYPE_DEFAULT:
xprefix = JFFS2_XPREFIX_ACL_DEFAULT;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
default:
return -EINVAL;
}
rc = __jffs2_set_acl(inode, xprefix, acl);
if (!rc) {
switch(type) {
case ACL_TYPE_ACCESS:
jffs2_iset_acl(inode, &f->i_acl_access, acl);
break;
case ACL_TYPE_DEFAULT:
jffs2_iset_acl(inode, &f->i_acl_default, acl);
break;
}
}
return rc;
}
static int rtems_jffs2_fchmod(
const rtems_filesystem_location_info_t *loc,
mode_t mode
)
{
struct _inode *inode = rtems_jffs2_get_inode_by_location(loc);
struct iattr iattr;
int eno;
iattr.ia_valid = ATTR_MODE | ATTR_CTIME;
iattr.ia_mode = mode;
iattr.ia_ctime = get_seconds();
eno = -jffs2_do_setattr(inode, &iattr);
return rtems_jffs2_eno_to_rv_and_errno(eno);
}
static int rtems_jffs2_chown(
const rtems_filesystem_location_info_t *loc,
uid_t owner,
gid_t group
)
{
struct _inode *inode = rtems_jffs2_get_inode_by_location(loc);
struct iattr iattr;
int eno;
iattr.ia_valid = ATTR_UID | ATTR_GID | ATTR_CTIME;
iattr.ia_uid = owner;
iattr.ia_gid = group;
iattr.ia_ctime = get_seconds();
eno = -jffs2_do_setattr(inode, &iattr);
return rtems_jffs2_eno_to_rv_and_errno(eno);
}
static int rtems_jffs2_file_ftruncate(rtems_libio_t *iop, off_t length)
{
struct _inode *inode = rtems_jffs2_get_inode_by_iop(iop);
struct iattr iattr;
int eno;
iattr.ia_valid = ATTR_SIZE | ATTR_MTIME | ATTR_CTIME;
iattr.ia_size = length;
iattr.ia_mtime = get_seconds();
iattr.ia_ctime = iattr.ia_mtime;
rtems_jffs2_do_lock(inode->i_sb);
eno = -jffs2_do_setattr(inode, &iattr);
rtems_jffs2_do_unlock(inode->i_sb);
return rtems_jffs2_eno_to_rv_and_errno(eno);
}
static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
{
int rc, xprefix;
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
switch (type) {
case ACL_TYPE_ACCESS:
xprefix = JFFS2_XPREFIX_ACL_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
rc = posix_acl_equiv_mode(acl, &mode);
if (rc < 0)
return rc;
if (inode->i_mode != mode) {
struct iattr attr;
attr.ia_valid = ATTR_MODE | ATTR_CTIME;
attr.ia_mode = mode;
attr.ia_ctime = CURRENT_TIME_SEC;
rc = jffs2_do_setattr(inode, &attr);
if (rc < 0)
return rc;
}
if (rc == 0)
acl = NULL;
}
break;
case ACL_TYPE_DEFAULT:
xprefix = JFFS2_XPREFIX_ACL_DEFAULT;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
default:
return -EINVAL;
}
rc = __jffs2_set_acl(inode, xprefix, acl);
if (!rc)
set_cached_acl(inode, type, acl);
return rc;
}
void jffs2_dirty_inode(struct inode *inode)
{
struct iattr iattr;
if (!(inode->i_state & I_DIRTY_DATASYNC)) {
D2(printk(KERN_DEBUG "jffs2_dirty_inode() not calling setattr() for ino #%lu\n", inode->i_ino));
return;
}
D1(printk(KERN_DEBUG "jffs2_dirty_inode() calling setattr() for ino #%lu\n", inode->i_ino));
iattr.ia_valid = ATTR_MODE|ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_MTIME|ATTR_CTIME;
iattr.ia_mode = inode->i_mode;
iattr.ia_uid = inode->i_uid;
iattr.ia_gid = inode->i_gid;
iattr.ia_atime = inode->i_atime;
iattr.ia_mtime = inode->i_mtime;
iattr.ia_ctime = inode->i_ctime;
jffs2_do_setattr(inode, &iattr);
}
int jffs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
int rc, xprefix;
switch (type) {
case ACL_TYPE_ACCESS:
xprefix = JFFS2_XPREFIX_ACL_ACCESS;
if (acl) {
umode_t mode;
rc = posix_acl_update_mode(inode, &mode, &acl);
if (rc)
return rc;
if (inode->i_mode != mode) {
struct iattr attr;
attr.ia_valid = ATTR_MODE | ATTR_CTIME;
attr.ia_mode = mode;
attr.ia_ctime = current_time(inode);
rc = jffs2_do_setattr(inode, &attr);
if (rc < 0)
return rc;
}
}
break;
case ACL_TYPE_DEFAULT:
xprefix = JFFS2_XPREFIX_ACL_DEFAULT;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
default:
return -EINVAL;
}
rc = __jffs2_set_acl(inode, xprefix, acl);
if (!rc)
set_cached_acl(inode, type, acl);
return rc;
}
int jffs2_setattr(struct dentry *dentry, struct iattr *iattr)
{
return jffs2_do_setattr(dentry->d_inode, iattr);
}
