From f23ceaac6a4d5c1696f81fa58daa81cbb46fd422 Mon Sep 17 00:00:00 2001 From: Ian Kent <raven@themaw.net> Date: Tue, 14 May 2019 15:44:20 -0700 Subject: [PATCH] autofs: update AUTOFS_EXP_LEAVES description Update the description of AUTOFS_EXP_LEAVES to cover its possible future use with amd format mount maps. Link: http://lkml.kernel.org/r/155287083538.12593.18163159677020718048.stgit@pluto.themaw.net Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> --- Documentation/filesystems/autofs.txt | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentation/filesystems/autofs.txt b/Documentation/filesystems/autofs.txt index ac50b47f02bda..8fe43c97cb96f 100644 --- a/Documentation/filesystems/autofs.txt +++ b/Documentation/filesystems/autofs.txt @@ -262,8 +262,12 @@ up. There is an option with indirect mounts to consider each of the leaves that has been mounted on instead of considering the top-level names. -This is intended for compatibility with version 4 of autofs and should -be considered as deprecated. +This was originally intended for compatibility with version 4 of autofs +and should be considered as deprecated for Sun Format automount maps. +However, it may be used again for amd format mount maps (which are +generally indirect maps) because the amd automounter allows for the +setting of an expire timeout for individual mounts. But there are +some difficulties in making the needed changes for this. When autofs considers a directory it checks the `last_used` time and compares it with the "timeout" value set when the filesystem was -- GitLab