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David Howells 263debecb4 cifs: Fix reading into an ITER_FOLIOQ from the smbdirect code 
When performing a file read from RDMA, smbd_recv() prints an "Invalid msg
type 4" error and fails the I/O.  This is due to the switch-statement there
not handling the ITER_FOLIOQ handed down from netfslib.

Fix this by collapsing smbd_recv_buf() and smbd_recv_page() into
smbd_recv() and just using copy_to_iter() instead of memcpy().  This
future-proofs the function too, in case more ITER_* types are added.

Fixes: ee4cdf7ba8 ("netfs: Speed up buffered reading")
Reported-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Tom Talpey <tom@talpey.com>
cc: Paulo Alcantara (Red Hat) <pc@manguebit.com>
cc: Matthew Wilcox <willy@infradead.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
 		2025-06-26 11:13:16 -05:00
..
client cifs: Fix reading into an ITER_FOLIOQ from the smbdirect code 2025-06-26 11:13:16 -05:00
common smb: smbdirect: introduce smbdirect_socket_parameters 2025-06-03 18:42:47 -05:00
server ksmbd: handle set/get info file for streamed file 2025-06-17 16:27:16 -05:00
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