[PATCH 4/4] cifs: Update SFU comments about fifos and sockets

From: Pali Rohár
Date: Sun Sep 15 2024 - 15:46:11 EST


In SFU mode, activated by -o sfu mount option is now also support for
creating new fifos and sockets.

Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
---
fs/smb/client/cifssmb.c | 8 ++++----
fs/smb/client/smb1ops.c | 2 +-
fs/smb/client/smb2ops.c | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c
index cfae2e918209..0ffc45aa5e2c 100644
--- a/fs/smb/client/cifssmb.c
+++ b/fs/smb/client/cifssmb.c
@@ -1076,8 +1076,8 @@ SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
pSMB->OpenFlags |= cpu_to_le16(REQ_MORE_INFO);
pSMB->Mode = cpu_to_le16(access_flags_to_smbopen_mode(access_flags));
pSMB->Mode |= cpu_to_le16(0x40); /* deny none */
- /* set file as system file if special file such
- as fifo and server expecting SFU style and
+ /* set file as system file if special file such as fifo,
+ * socket, char or block and server expecting SFU style and
no Unix extensions */

if (create_options & CREATE_OPTION_SPECIAL)
@@ -1193,8 +1193,8 @@ CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms, int *oplock,
req->AllocationSize = 0;

/*
- * Set file as system file if special file such as fifo and server
- * expecting SFU style and no Unix extensions.
+ * Set file as system file if special file such as fifo, socket, char
+ * or block and server expecting SFU style and no Unix extensions.
*/
if (create_options & CREATE_OPTION_SPECIAL)
req->FileAttributes = cpu_to_le32(ATTR_SYSTEM);
diff --git a/fs/smb/client/smb1ops.c b/fs/smb/client/smb1ops.c
index e1f2feb56f45..e03c91a49650 100644
--- a/fs/smb/client/smb1ops.c
+++ b/fs/smb/client/smb1ops.c
@@ -1078,7 +1078,7 @@ cifs_make_node(unsigned int xid, struct inode *inode,
/*
* Check if mounted with mount parm 'sfu' mount parm.
* SFU emulation should work with all servers, but only
- * supports block and char device (no socket & fifo),
+ * supports block and char device, socket & fifo,
* and was used by default in earlier versions of Windows
*/
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL))
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 406f2399f0c5..d30f7cab197e 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -5190,7 +5190,7 @@ static int smb2_make_node(unsigned int xid, struct inode *inode,
/*
* Check if mounted with mount parm 'sfu' mount parm.
* SFU emulation should work with all servers, but only
- * supports block and char device (no socket & fifo),
+ * supports block and char device, socket & fifo,
* and was used by default in earlier versions of Windows
*/
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
--
2.20.1