linux-kernel - [PATCH] tmpfs.5: extend with new noswap documentation

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Message-Id: <20230526210703.934922-1-mcgrof@kernel.org>
Date:   Fri, 26 May 2023 14:07:03 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     alx@...nel.org, linux-man@...r.kernel.org,
        linux-api@...r.kernel.org
Cc:     hughd@...gle.com, p.raghav@...sung.com, da.gomez@...sung.com,
        rohan.puri@...sung.com, rpuri.linux@...il.com,
        a.manzanares@...sung.com, dave@...olabs.net, yosryahmed@...gle.com,
        keescook@...omium.org, mcgrof@...nel.org, patches@...ts.linux.dev,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] tmpfs.5: extend with new noswap documentation

Linux commit 2c6efe9cf2d7 ("shmem: add support to ignore swap")
merged as of v6.4 added support to disable swap for tmpfs mounts.

This extends the man page to document that.

Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
---
 man5/tmpfs.5 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/man5/tmpfs.5 b/man5/tmpfs.5
index 09d9558985e9..f7f90f112103 100644
--- a/man5/tmpfs.5
+++ b/man5/tmpfs.5
@@ -99,6 +99,11 @@ suffixes like
 .BR size ,
 but not a % suffix.
 .TP
+.BR noswap "(since Linux 6.4)"
+.\" commit 2c6efe9cf2d7841b75fe38ed1adbd41a90f51ba0
+Disables swap. Remounts must respect the original settings.
+By default swap is enabled.
+.TP
 .BR mode "=\fImode\fP"
 Set initial permissions of the root directory.
 .TP
-- 
2.39.2