diff mbox series

[nfs-utils,2/3] nfs(5): Document the write=lazy|eager|wait mount option.

Message ID 20230601194617.2174639-3-smayhew@redhat.com (mailing list archive)
State New, archived
Headers show
Series Add docs for some mount options missing from nfs(5) | expand

Commit Message

Scott Mayhew June 1, 2023, 7:46 p.m. UTC 
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
---
 utils/mount/nfs.man | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
diff mbox series

Patch

diff --git a/utils/mount/nfs.man b/utils/mount/nfs.man
index 3cef2e23..2ed898f8 100644
--- a/utils/mount/nfs.man
+++ b/utils/mount/nfs.man
@@ -614,6 +614,28 @@  option is not specified,
 the default behavior depends on the kernel,
 but is usually equivalent to
 .BR "xprtsec=none" .
+.TP 1.5i
+.BI write= behavior
+Controls how the NFS client handles the
+.BR write (2)
+system call.
+.I behavior
+can be one of
+.BR lazy ,
+.BR eager ,
+or
+.BR wait .
+If
+.B lazy
+(the default) is specified, then the NFS client delays sending application
+writes to the NFS server as described in the DATA AND METADATA COHERENCE
+section.  If
+.B eager
+is specified, then the NFS client sends off the write immediately as an
+unstable WRITE to the NFS server.  If
+.B wait
+is specified, then the NFS client sends off the write immediately as an
+unstable WRITE to the NFS server and then waits for the reply.
 .SS "Options for NFS versions 2 and 3 only"
 Use these options, along with the options in the above subsection,
 for NFS versions 2 and 3 only.