diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-11 17:34:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-11 17:34:10 -0700 |
| commit | a379f71a30dddbd2e7393624e455ce53c87965d1 (patch) | |
| tree | c9c71b3eb19ff7e8618ff29e9d5ac99882b823e1 /Documentation/filesystems/autofs4.txt | |
| parent | de34f4da7f62ff59ac6e1ef320b0fcfa3296fce3 (diff) | |
| parent | 9c5d760b8d229b94c5030863a5edaee5f1a9d7b7 (diff) | |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
- a few block updates that fell in my lap
- lib/ updates
- checkpatch
- autofs
- ipc
- a ton of misc other things
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (100 commits)
mm: split gfp_mask and mapping flags into separate fields
fs: use mapping_set_error instead of opencoded set_bit
treewide: remove redundant #include <linux/kconfig.h>
hung_task: allow hung_task_panic when hung_task_warnings is 0
kthread: add kerneldoc for kthread_create()
kthread: better support freezable kthread workers
kthread: allow to modify delayed kthread work
kthread: allow to cancel kthread work
kthread: initial support for delayed kthread work
kthread: detect when a kthread work is used by more workers
kthread: add kthread_destroy_worker()
kthread: add kthread_create_worker*()
kthread: allow to call __kthread_create_on_node() with va_list args
kthread/smpboot: do not park in kthread_create_on_cpu()
kthread: kthread worker API cleanup
kthread: rename probe_kthread_data() to kthread_probe_data()
scripts/tags.sh: enable code completion in VIM
mm: kmemleak: avoid using __va() on addresses that don't have a lowmem mapping
kdump, vmcoreinfo: report memory sections virtual addresses
ipc/sem.c: add cond_resched in exit_sme
...
Diffstat (limited to 'Documentation/filesystems/autofs4.txt')
| -rw-r--r-- | Documentation/filesystems/autofs4.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/filesystems/autofs4.txt b/Documentation/filesystems/autofs4.txt index 39d02e19fb62..8fac3fe7b8c9 100644 --- a/Documentation/filesystems/autofs4.txt +++ b/Documentation/filesystems/autofs4.txt @@ -203,9 +203,9 @@ initiated or is being considered, otherwise it returns 0. Mountpoint expiry ----------------- -The VFS has a mechansim for automatically expiring unused mounts, +The VFS has a mechanism for automatically expiring unused mounts, much as it can expire any unused dentry information from the dcache. -This is guided by the MNT_SHRINKABLE flag. This only applies to +This is guided by the MNT_SHRINKABLE flag. This only applies to mounts that were created by `d_automount()` returning a filesystem to be mounted. As autofs doesn't return such a filesystem but leaves the mounting to the automount daemon, it must involve the automount daemon @@ -298,7 +298,7 @@ remove directories and symlinks using normal filesystem operations. autofs knows whether a process requesting some operation is the daemon or not based on its process-group id number (see getpgid(1)). -When an autofs filesystem it mounted the pgid of the mounting +When an autofs filesystem is mounted the pgid of the mounting processes is recorded unless the "pgrp=" option is given, in which case that number is recorded instead. Any request arriving from a process in that process group is considered to come from the daemon. @@ -450,7 +450,7 @@ Commands are: numbers for existing filesystems can be found in `/proc/self/mountinfo`. - **AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD**: same as `close(ioctlfd)`. -- **AUTOFS_DEV_IOCTL_SETPIPEFD_CMD**: if the filesystem is in +- **AUTOFS_DEV_IOCTL_SETPIPEFD_CMD**: if the filesystem is in catatonic mode, this can provide the write end of a new pipe in `arg1` to re-establish communication with a daemon. The process group of the calling process is used to identify the |