Commit 75cf6bdc authored by Steve French's avatar Steve French Committed by Linus Torvalds
Browse files

[PATCH] cifs: Gracefully turn off serverino (when serverino is enabled on mount) 



Old servers such as NT4 do not support this level of FindFirst (and
retry with a lower infolevel)

Signed-off-by: default avatarSteve French <(sfrench@us.ibm.com)>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent f654bac2

fs/cifs/netmisc.c

+1 −1
Original line number Diff line number Diff line
@@ -206,7 +206,7 @@ static const struct { 
	{

	ERRDOS, ERRgeneral, NT_STATUS_UNSUCCESSFUL}, {

	ERRDOS, ERRbadfunc, NT_STATUS_NOT_IMPLEMENTED}, {

	ERRDOS, 87, NT_STATUS_INVALID_INFO_CLASS}, {

	ERRDOS, ERRinvlevel, NT_STATUS_INVALID_INFO_CLASS}, {

	ERRDOS, 24, NT_STATUS_INFO_LENGTH_MISMATCH}, {

	ERRHRD, ERRgeneral, NT_STATUS_ACCESS_VIOLATION}, {

	ERRHRD, ERRgeneral, NT_STATUS_IN_PAGE_ERROR}, {

fs/cifs/readdir.c

+6 −0
Original line number Diff line number Diff line
@@ -323,6 +323,7 @@ static int initiate_cifs_search(const int xid, struct file *file) 


	cFYI(1, ("Full path: %s start at: %lld ", full_path, file->f_pos));



ffirst_retry:

	/* test for Unix extensions */

	if (pTcon->ses->capabilities & CAP_UNIX) {

		cifsFile->srch_inf.info_level = SMB_FIND_FILE_UNIX;
@@ -336,6 +337,11 @@ static int initiate_cifs_search(const int xid, struct file *file) 
		&cifsFile->netfid, &cifsFile->srch_inf); 

	if(rc == 0)

		cifsFile->invalidHandle = FALSE;

	if((rc == -EOPNOTSUPP) && 

		(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) {

		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SERVER_INUM;

		goto ffirst_retry;

	}

	kfree(full_path);

	return rc;

}