The patch titled Subject: autofs: update AUTOFS_EXP_LEAVES description has been added to the -mm tree. Its filename is autofs-update-autofs_exp_leaves-description.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/autofs-update-autofs_exp_leaves-description.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/autofs-update-autofs_exp_leaves-description.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Ian Kent <raven@xxxxxxxxxx> Subject: 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@xxxxxxxxxxxxxxxx Signed-off-by: Ian Kent <raven@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/filesystems/autofs.txt | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/Documentation/filesystems/autofs.txt~autofs-update-autofs_exp_leaves-description +++ a/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 _ Patches currently in -mm which might be from raven@xxxxxxxxxx are autofs-fix-some-word-usage-odities-in-autofstxt.patch autofs-update-autofstxt-for-strictexpire-mount-option.patch autofs-update-autofs_exp_leaves-description.patch autofs-update-mount-control-expire-desription-with-autofs_exp_forced.patch autofs-add-description-of-ignore-pseudo-mount-option.patch