diff options
| author | Stefan Metzmacher <metze@samba.org> | 2025-10-12 21:10:21 +0200 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2025-10-13 08:26:22 -0500 |
| commit | e487f13cc94fa80c71f217d7b176e48fbb5d6c46 (patch) | |
| tree | aac5d84e13d4613bc38a87d7812c04e9d5fd5058 | |
| parent | 911063b590ce77d473e92716f05f34712f97ef95 (diff) | |
smb: smbdirect: introduce smbdirect_mr_io.{kref,mutex} and SMBDIRECT_MR_DISABLED
This will be used in the next commits in order to improve the
client code.
A broken connection can just disable the smbdirect_mr_io while
keeping the memory arround for the caller.
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: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
| -rw-r--r-- | fs/smb/common/smbdirect/smbdirect_socket.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/smb/common/smbdirect/smbdirect_socket.h b/fs/smb/common/smbdirect/smbdirect_socket.h index db22a1d0546b..361db7f9f623 100644 --- a/fs/smb/common/smbdirect/smbdirect_socket.h +++ b/fs/smb/common/smbdirect/smbdirect_socket.h @@ -437,13 +437,22 @@ enum smbdirect_mr_state { SMBDIRECT_MR_READY, SMBDIRECT_MR_REGISTERED, SMBDIRECT_MR_INVALIDATED, - SMBDIRECT_MR_ERROR + SMBDIRECT_MR_ERROR, + SMBDIRECT_MR_DISABLED }; struct smbdirect_mr_io { struct smbdirect_socket *socket; struct ib_cqe cqe; + /* + * We can have up to two references: + * 1. by the connection + * 2. by the registration + */ + struct kref kref; + struct mutex mutex; + struct list_head list; enum smbdirect_mr_state state; |