diff options
| author | Ian Kent | 2019-05-14 15:44:23 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2019-05-14 19:52:50 -0700 |
| commit | 841964e86acf48317db0469daf821e44554d8b0c (patch) | |
| tree | 3aea6ed93808cf06825fcb558b67c3ff91c0879f /Documentation/filesystems | |
| parent | f23ceaac6a4d5c1696f81fa58daa81cbb46fd422 (diff) | |
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: 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/filesystems')
| -rw-r--r-- | Documentation/filesystems/autofs-mount-control.txt | 6 | ||||
| -rw-r--r-- | Documentation/filesystems/autofs.txt | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/filesystems/autofs-mount-control.txt b/Documentation/filesystems/autofs-mount-control.txt index 45edad6933cc..acc02fc57993 100644 --- a/Documentation/filesystems/autofs-mount-control.txt +++ b/Documentation/filesystems/autofs-mount-control.txt @@ -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 ioctlfd field set to the descriptor obtained from the open call. In -addition an immediate expire, independent of the mount timeout, can be -requested by setting the how field of struct args_expire to 1. If no +addition an immediate expire that's independent of the mount timeout, +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 EAGAIN. diff --git a/Documentation/filesystems/autofs.txt b/Documentation/filesystems/autofs.txt index 8fe43c97cb96..409e6411904d 100644 --- a/Documentation/filesystems/autofs.txt +++ b/Documentation/filesystems/autofs.txt @@ -410,6 +410,11 @@ The available ioctl commands are: **AUTOFS_EXP_IMMEDIATE** causes `last_used` time to be ignored 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 name to expire. This is only safe when *maxproto* is 4. |