2022-11-30 18:19:30

by Anna Schumaker

[permalink] [raw]
Subject: [PATCH 3/3] NFSv4.2: Change the default KConfig value for READ_PLUS

From: Anna Schumaker <[email protected]>

Now that we've worked out performance issues and have a server patch
addressing the failed xfstests, we can safely enable this feature by
default.

Signed-off-by: Anna Schumaker <[email protected]>
---
fs/nfs/Kconfig | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 14a72224b657..1ead5bd740c2 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -209,8 +209,8 @@ config NFS_DISABLE_UDP_SUPPORT
config NFS_V4_2_READ_PLUS
bool "NFS: Enable support for the NFSv4.2 READ_PLUS operation"
depends on NFS_V4_2
- default n
+ default y
help
- This is intended for developers only. The READ_PLUS operation has
- been shown to have issues under specific conditions and should not
- be used in production.
+ Choose Y here to enable the use of READ_PLUS over NFS v4.2. READ_PLUS
+ attempts to improve read performance by compressing out sparse holes
+ in the file contents.
--
2.38.1