diff options
Diffstat (limited to 'fs/nfs/Kconfig')
| -rw-r--r-- | fs/nfs/Kconfig | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig index 5f93cfacb3d1..07932ce9246c 100644 --- a/fs/nfs/Kconfig +++ b/fs/nfs/Kconfig @@ -1,8 +1,11 @@ +# SPDX-License-Identifier: GPL-2.0-only config NFS_FS tristate "NFS client support" depends on INET && FILE_LOCKING && MULTIUSER + select CRC32 select LOCKD select SUNRPC + select NFS_COMMON select NFS_ACL_SUPPORT if NFS_V3_ACL help Choose Y here if you want to access files residing on other @@ -32,12 +35,12 @@ config NFS_FS config NFS_V2 tristate "NFS client support for NFS version 2" depends on NFS_FS - default y + default n help This option enables support for version 2 of the NFS protocol (RFC 1094) in the kernel's NFS client. - If unsure, say Y. + If unsure, say N. config NFS_V3 tristate "NFS client support for NFS version 3" @@ -74,7 +77,6 @@ config NFS_V3_ACL config NFS_V4 tristate "NFS client support for NFS version 4" depends on NFS_FS - select SUNRPC_GSS select KEYS help This option enables support for version 4 of the NFS protocol @@ -89,7 +91,7 @@ config NFS_V4 config NFS_SWAP bool "Provide swap over NFS support" default n - depends on NFS_FS + depends on NFS_FS && SWAP select SUNRPC_SWAP help This option enables swapon to work on files located on NFS mounts. @@ -121,13 +123,12 @@ config PNFS_FILE_LAYOUT config PNFS_BLOCK tristate depends on NFS_V4_1 && BLK_DEV_DM - depends on 64BIT || LBDAF default NFS_V4 config PNFS_FLEXFILE_LAYOUT tristate - depends on NFS_V4_1 && NFS_V3 - default m + depends on NFS_V4_1 + default NFS_V4 config NFS_V4_1_IMPLEMENTATION_ID_DOMAIN string "NFSv4.1 Implementation ID Domain" @@ -164,13 +165,15 @@ config ROOT_NFS If you want your system to mount its root file system via NFS, choose Y here. This is common practice for managing systems without local permanent storage. For details, read - <file:Documentation/filesystems/nfs/nfsroot.txt>. + <file:Documentation/admin-guide/nfs/nfsroot.rst>. Most people say N here. config NFS_FSCACHE bool "Provide NFS client caching support" - depends on NFS_FS=m && FSCACHE || NFS_FS=y && FSCACHE=y + depends on NFS_FS + select NETFS_SUPPORT + select FSCACHE help Say Y here if you want NFS data to be cached locally on disc through the general filesystem cache manager @@ -194,5 +197,20 @@ config NFS_USE_KERNEL_DNS config NFS_DEBUG bool depends on NFS_FS && SUNRPC_DEBUG - select CRC32 default y + +config NFS_DISABLE_UDP_SUPPORT + bool "NFS: Disable NFS UDP protocol support" + depends on NFS_FS + default y + help + Choose Y here to disable the use of NFS over UDP. NFS over UDP + on modern networks (1Gb+) can lead to data corruption caused by + fragmentation during high loads. + +config NFS_V4_2_READ_PLUS + bool "NFS: Enable support for the NFSv4.2 READ_PLUS operation" + depends on NFS_V4_2 + default y + help + Choose Y here to enable use of the NFS v4.2 READ_PLUS operation. |