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inotify.7: Inotify doesn't work for remote and pseudo filesystems 

Reported-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2014-04-04 10:00:58 +02:00
parent fa51f4d941
commit e226bed757
1 changed files with 13 additions and 0 deletions
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@ -617,6 +617,19 @@ way for a process that is monitoring events via inotify
to distinguish events that it triggers
itself from those that are triggered by other processes.
Inotify reports only events that a user-space program triggers through
the filesystem API.
As a result, it does not catch remote events that occur
on network filesystems.
(Applications must fall back to polling the filesystem
to catch such events.)
Furthermore, various pseudo-filesystems such as
.IR /proc ,
.IR /sys ,
and
.IR /dev/pts
are not monitorable with inotify.
The inotify API identifies affected files by filename.
However, by the time an application processes an inotify event,
the filename may already have been deleted or renamed.