int cifs_ioctl (struct inode * inode, struct file * filep, unsigned int command, unsigned long arg) { int rc = -ENOTTY; /* strange error - but the precedent */ int xid; struct cifs_sb_info *cifs_sb; #ifdef CONFIG_CIFS_POSIX __u64 ExtAttrBits = 0; __u64 ExtAttrMask = 0; __u64 caps; struct cifsTconInfo *tcon; struct cifsFileInfo *pSMBFile = (struct cifsFileInfo *)filep->private_data; #endif /* CONFIG_CIFS_POSIX */ xid = GetXid(); cFYI(1,("ioctl file %p cmd %u arg %lu",filep,command,arg)); cifs_sb = CIFS_SB(inode->i_sb); #ifdef CONFIG_CIFS_POSIX tcon = cifs_sb->tcon; if(tcon) caps = le64_to_cpu(tcon->fsUnixInfo.Capability); else { rc = -EIO; FreeXid(xid); return -EIO; } #endif /* CONFIG_CIFS_POSIX */ switch(command) { case CIFS_IOC_CHECKUMOUNT: cFYI(1,("User unmount attempted")); if(cifs_sb->mnt_uid == current->uid) rc = 0; else { rc = -EACCES; cFYI(1,("uids do not match")); } break; #ifdef CONFIG_CIFS_POSIX case FS_IOC_GETFLAGS: if(CIFS_UNIX_EXTATTR_CAP & caps) { if (pSMBFile == NULL) break; rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid, &ExtAttrBits, &ExtAttrMask); if(rc == 0) rc = put_user(ExtAttrBits & FS_FL_USER_VISIBLE, (int __user *)arg); } break; case FS_IOC_SETFLAGS: if(CIFS_UNIX_EXTATTR_CAP & caps) { if(get_user(ExtAttrBits,(int __user *)arg)) { rc = -EFAULT; break; } if (pSMBFile == NULL) break; /* rc= CIFSGetExtAttr(xid,tcon,pSMBFile->netfid, extAttrBits, &ExtAttrMask);*/ } cFYI(1,("set flags not implemented yet")); break; #endif /* CONFIG_CIFS_POSIX */ default: cFYI(1,("unsupported ioctl")); break; } FreeXid(xid); return rc; }
long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) { struct inode *inode = file_inode(filep); int rc = -ENOTTY; /* strange error - but the precedent */ unsigned int xid; struct cifs_sb_info *cifs_sb; struct cifsFileInfo *pSMBFile = filep->private_data; struct cifs_tcon *tcon; __u64 ExtAttrBits = 0; __u64 caps; xid = get_xid(); cifs_dbg(FYI, "ioctl file %p cmd %u arg %lu\n", filep, command, arg); cifs_sb = CIFS_SB(inode->i_sb); switch (command) { case FS_IOC_GETFLAGS: if (pSMBFile == NULL) break; tcon = tlink_tcon(pSMBFile->tlink); caps = le64_to_cpu(tcon->fsUnixInfo.Capability); #ifdef CONFIG_CIFS_POSIX if (CIFS_UNIX_EXTATTR_CAP & caps) { __u64 ExtAttrMask = 0; rc = CIFSGetExtAttr(xid, tcon, pSMBFile->fid.netfid, &ExtAttrBits, &ExtAttrMask); if (rc == 0) rc = put_user(ExtAttrBits & FS_FL_USER_VISIBLE, (int __user *)arg); if (rc != EOPNOTSUPP) break; } #endif /* CONFIG_CIFS_POSIX */ rc = 0; if (CIFS_I(inode)->cifsAttrs & ATTR_COMPRESSED) { /* add in the compressed bit */ ExtAttrBits = FS_COMPR_FL; rc = put_user(ExtAttrBits & FS_FL_USER_VISIBLE, (int __user *)arg); } break; case FS_IOC_SETFLAGS: if (pSMBFile == NULL) break; tcon = tlink_tcon(pSMBFile->tlink); caps = le64_to_cpu(tcon->fsUnixInfo.Capability); if (get_user(ExtAttrBits, (int __user *)arg)) { rc = -EFAULT; break; } /* * if (CIFS_UNIX_EXTATTR_CAP & caps) * rc = CIFSSetExtAttr(xid, tcon, * pSMBFile->fid.netfid, * extAttrBits, * &ExtAttrMask); * if (rc != EOPNOTSUPP) * break; */ /* Currently only flag we can set is compressed flag */ if ((ExtAttrBits & FS_COMPR_FL) == 0) break; /* Try to set compress flag */ if (tcon->ses->server->ops->set_compression) { rc = tcon->ses->server->ops->set_compression( xid, tcon, pSMBFile); cifs_dbg(FYI, "set compress flag rc %d\n", rc); } break; case BTRFS_IOC_CLONE: rc = cifs_ioctl_clone(xid, filep, arg, 0, 0, 0); break; default: cifs_dbg(FYI, "unsupported ioctl\n"); break; } free_xid(xid); return rc; }
long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) { struct inode *inode = file_inode(filep); int rc = -ENOTTY; /* strange error - but the precedent */ unsigned int xid; struct cifs_sb_info *cifs_sb; struct cifsFileInfo *pSMBFile = filep->private_data; struct cifs_tcon *tcon; __u64 ExtAttrBits = 0; __u64 caps; xid = get_xid(); cifs_sb = CIFS_SB(inode->i_sb); cifs_dbg(FYI, "cifs ioctl 0x%x\n", command); switch (command) { case FS_IOC_GETFLAGS: if (pSMBFile == NULL) break; tcon = tlink_tcon(pSMBFile->tlink); caps = le64_to_cpu(tcon->fsUnixInfo.Capability); #ifdef CONFIG_CIFS_POSIX if (CIFS_UNIX_EXTATTR_CAP & caps) { __u64 ExtAttrMask = 0; rc = CIFSGetExtAttr(xid, tcon, pSMBFile->fid.netfid, &ExtAttrBits, &ExtAttrMask); if (rc == 0) rc = put_user(ExtAttrBits & FS_FL_USER_VISIBLE, (int __user *)arg); if (rc != EOPNOTSUPP) break; } #endif /* CONFIG_CIFS_POSIX */ rc = 0; if (CIFS_I(inode)->cifsAttrs & ATTR_COMPRESSED) { /* add in the compressed bit */ ExtAttrBits = FS_COMPR_FL; rc = put_user(ExtAttrBits & FS_FL_USER_VISIBLE, (int __user *)arg); } break; case FS_IOC_SETFLAGS: if (pSMBFile == NULL) break; tcon = tlink_tcon(pSMBFile->tlink); caps = le64_to_cpu(tcon->fsUnixInfo.Capability); if (get_user(ExtAttrBits, (int __user *)arg)) { rc = -EFAULT; break; } /* * if (CIFS_UNIX_EXTATTR_CAP & caps) * rc = CIFSSetExtAttr(xid, tcon, * pSMBFile->fid.netfid, * extAttrBits, * &ExtAttrMask); * if (rc != EOPNOTSUPP) * break; */ /* Currently only flag we can set is compressed flag */ if ((ExtAttrBits & FS_COMPR_FL) == 0) break; /* Try to set compress flag */ if (tcon->ses->server->ops->set_compression) { rc = tcon->ses->server->ops->set_compression( xid, tcon, pSMBFile); cifs_dbg(FYI, "set compress flag rc %d\n", rc); } break; case CIFS_IOC_COPYCHUNK_FILE: rc = cifs_ioctl_clone(xid, filep, arg); break; case CIFS_IOC_SET_INTEGRITY: if (pSMBFile == NULL) break; tcon = tlink_tcon(pSMBFile->tlink); if (tcon->ses->server->ops->set_integrity) rc = tcon->ses->server->ops->set_integrity(xid, tcon, pSMBFile); else rc = -EOPNOTSUPP; break; case CIFS_IOC_GET_MNT_INFO: tcon = tlink_tcon(pSMBFile->tlink); rc = smb_mnt_get_fsinfo(xid, tcon, (void __user *)arg); break; case CIFS_ENUMERATE_SNAPSHOTS: if (arg == 0) { rc = -EINVAL; goto cifs_ioc_exit; } tcon = tlink_tcon(pSMBFile->tlink); if (tcon->ses->server->ops->enum_snapshots) rc = tcon->ses->server->ops->enum_snapshots(xid, tcon, pSMBFile, (void __user *)arg); else rc = -EOPNOTSUPP; break; default: cifs_dbg(FYI, "unsupported ioctl\n"); break; } cifs_ioc_exit: free_xid(xid); return rc; }