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Commit 841964e8 authored by Ian Kent's avatar Ian Kent Committed by Linus Torvalds
Browse files

autofs: update mount control expire desription with AUTOFS_EXP_FORCED 

Describe AUTOFS_EXP_FORCED in addition to AUTOFS_EXP_IMMEDIATE in the
description of the AUTOFS_DEV_IOCTL_EXPIRE_CMD ioctl.

Link: http://lkml.kernel.org/r/155287084078.12593.15000931045413195778.stgit@pluto.themaw.net


Signed-off-by: default avatarIan Kent <raven@themaw.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f23ceaac

Documentation/filesystems/autofs-mount-control.txt

+4 −2
Original line number Original line Diff line number Diff line
@@ -354,8 +354,10 @@ this ioctl is called until no further expire candidates are found. 




The call requires an initialized struct autofs_dev_ioctl with the

The call requires an initialized struct autofs_dev_ioctl with the

ioctlfd field set to the descriptor obtained from the open call. In

ioctlfd field set to the descriptor obtained from the open call. In

addition an immediate expire, independent of the mount timeout, can be

addition an immediate expire that's independent of the mount timeout,

requested by setting the how field of struct args_expire to 1. If no

and a forced expire that's independent of whether the mount is busy,

can be requested by setting the how field of struct args_expire to

AUTOFS_EXP_IMMEDIATE or AUTOFS_EXP_FORCED, respectively . If no

expire candidates can be found the ioctl returns -1 with errno set to

expire candidates can be found the ioctl returns -1 with errno set to

EAGAIN.

EAGAIN.

Documentation/filesystems/autofs.txt

+5 −0
Original line number Original line Diff line number Diff line
@@ -410,6 +410,11 @@ The available ioctl commands are: 
     **AUTOFS_EXP_IMMEDIATE** causes `last_used` time to be ignored

     **AUTOFS_EXP_IMMEDIATE** causes `last_used` time to be ignored

     and objects are expired if the are not in use.

     and objects are expired if the are not in use.





     **AUTOFS_EXP_FORCED** causes the in use status to be ignored

     and objects are expired ieven if they are in use. This assumes

     that the daemon has requested this because it is capable of

     performing the umount.



     **AUTOFS_EXP_LEAVES** will select a leaf rather than a top-level

     **AUTOFS_EXP_LEAVES** will select a leaf rather than a top-level

     name to expire.  This is only safe when *maxproto* is 4.

     name to expire.  This is only safe when *maxproto* is 4.