CONFIG_CIFS_SMB2: SMB2 and SMB3 network file system support

General informations

The Linux kernel configuration item CONFIG_CIFS_SMB2 has multiple definitions:

SMB2 and SMB3 network file system support found in fs/cifs/Kconfig

The configuration item CONFIG_CIFS_SMB2:

• prompt: SMB2 and SMB3 network file system support
• type: bool
• depends on: CONFIG_CIFS
• defined in fs/cifs/Kconfig
• found in Linux kernels: 3.17–3.19, 4.0–4.12

Help text

This enables support for the Server Message Block version 2 family of protocols, including SMB3. SMB3 support is enabled on mount by specifying "vers=3.0" in the mount options. These protocols are the successors to the popular CIFS and SMB network file sharing protocols. SMB3 is the native file sharing mechanism for the more recent versions of Windows (Windows 8 and Windows 2012 and later) and Samba server and many others support SMB3 well. In general SMB3 enables better performance, security and features, than would be possible with CIFS (Note that when mounting to Samba, due to the CIFS POSIX extensions, CIFS mounts can provide slightly better POSIX compatibility than SMB3 mounts do though). Note that SMB2/SMB3 mount options are also slightly simpler (compared to CIFS) due to protocol improvements.

SMB2 network file system support found in fs/cifs/Kconfig

The configuration item CONFIG_CIFS_SMB2:

• prompt: SMB2 network file system support
• type: bool
• depends on: CONFIG_CIFS && CONFIG_INET
• defined in fs/cifs/Kconfig
• found in Linux kernels: 3.9–3.16

Help text

This enables experimental support for the SMB2 (Server Message Block version 2) protocol. The SMB2 protocol is the successor to the popular CIFS and SMB network file sharing protocols. SMB2 is the native file sharing mechanism for recent versions of Windows operating systems (since Vista). SMB2 enablement will eventually allow users better performance, security and features, than would be possible with cifs. Note that smb2 mount options also are simpler (compared to cifs) due to protocol improvements.

Unless you are a developer or tester, say N.

SMB2 network file system support (EXPERIMENTAL) found in fs/cifs/Kconfig

The configuration item CONFIG_CIFS_SMB2:

• prompt: SMB2 network file system support (EXPERIMENTAL)
• type: bool
• depends on: CONFIG_CIFS && CONFIG_EXPERIMENTAL && CONFIG_INET
• defined in fs/cifs/Kconfig
• found in Linux kernels: 3.5–3.8

Help text

This enables experimental support for the SMB2 (Server Message Block version 2) protocol. The SMB2 protocol is the successor to the popular CIFS and SMB network file sharing protocols. SMB2 is the native file sharing mechanism for recent versions of Windows operating systems (since Vista). SMB2 enablement will eventually allow users better performance, security and features, than would be possible with cifs. Note that smb2 mount options also are simpler (compared to cifs) due to protocol improvements.

Unless you are a developer or tester, say N.

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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