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| author |   Ian Kent <raven@themaw.net> | 2019-05-14 15:44:26 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 19:52:50 -0700 |
| commit | 1dcaa138fc7d87982ccddb7df9e4c30c6cb6eb15 (patch) | |
| tree | a44dc3297daa68c7dad0610e911eca54e377c428 /Documentation | |
| parent | autofs: update mount control expire desription with AUTOFS_EXP_FORCED (diff) | |
| download | linux-dev-1dcaa138fc7d87982ccddb7df9e4c30c6cb6eb15.tar.xz linux-dev-1dcaa138fc7d87982ccddb7df9e4c30c6cb6eb15.zip | |
autofs: add description of ignore pseudo mount option
Add a description of the "ignore" pseudo mount option that can be used
to provide a generic indicator to applications that the mount entry
should be ignored when displaying mount information.
Link: http://lkml.kernel.org/r/155287084617.12593.812733161112154904.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.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/filesystems/autofs.txt b/Documentation/filesystems/autofs.txt index 409e6411904d..3af38c7fd26d 100644 --- a/Documentation/filesystems/autofs.txt +++ b/Documentation/filesystems/autofs.txt @@ -526,6 +526,21 @@ directories. Catatonic mode can only be left via the **AUTOFS_DEV_IOCTL_OPENMOUNT_CMD** ioctl on the `/dev/autofs`. +The "ignore" mount option +------------------------- + +The "ignore" mount option can be used to provide a generic indicator +to applications that the mount entry should be ignored when displaying +mount information. + +In other OSes that provide autofs and that provide a mount list to user +space based on the kernel mount list a no-op mount option ("ignore" is +the one use on the most common OSes) is allowed so that autofs file +system users can optionally use it. + +This is intended to be used by user space programs to exclude autofs +mounts from consideration when reading the mounts list. + autofs, name spaces, and shared mounts -------------------------------------- |