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authorIan Kent <raven@themaw.net>2019-05-14 15:44:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-14 19:52:50 -0700
commitf23ceaac6a4d5c1696f81fa58daa81cbb46fd422 (patch)
tree94b6e612349ef4169e529a4aaceb5e8a852e0f58 /Documentation
parent9200026623efb8d0383fa637a8926021d3de3482 (diff)
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/filesystems/autofs.txt8
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/filesystems/autofs.txt b/Documentation/filesystems/autofs.txt
index ac50b47f02bd..8fe43c97cb96 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