Commit dc01504c authored by Stefan Metzmacher's avatar Stefan Metzmacher Committed by Steve French
Browse files

smb: smbdirect: introduce smbdirect_get_buf_page_count() 



This is a copy of get_buf_page_count() in the server
and will replace it soon.

The only difference is that we now use size_t instead
of int.

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: default avatarStefan Metzmacher <metze@samba.org>
Acked-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent a5159795

fs/smb/common/smbdirect/smbdirect_socket.h

+6 −0
Original line number Diff line number Diff line
@@ -734,4 +734,10 @@ struct smbdirect_rw_io { 
	struct scatterlist sg_list[];

};



static inline size_t smbdirect_get_buf_page_count(const void *buf, size_t size)

{

	return DIV_ROUND_UP((uintptr_t)buf + size, PAGE_SIZE) -

		(uintptr_t)buf / PAGE_SIZE;

}



#endif /* __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_SOCKET_H__ */