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| author | Eric Paris <eparis@redhat.com> | 2010-10-28 17:21:58 -0400 |
|---|---|---|
| committer | Eric Paris <eparis@redhat.com> | 2010-10-28 17:22:15 -0400 |
| commit | 4afeff8505cb8a38e36c1ef2bd3447c4b8f87367 (patch) | |
| tree | 50a80d8773698813e4e9d9f9112079c09d493c48 /include | |
| parent | ac7e22dcfafd04c842a02057afd6541c1d613ef9 (diff) | |
| download | linux-4afeff8505cb8a38e36c1ef2bd3447c4b8f87367.tar.gz linux-4afeff8505cb8a38e36c1ef2bd3447c4b8f87367.tar.bz2 linux-4afeff8505cb8a38e36c1ef2bd3447c4b8f87367.zip | |
fanotify: limit number of listeners per user
fanotify currently has no limit on the number of listeners a given user can
have open. This patch limits the total number of listeners per user to
128. This is the same as the inotify default limit.
Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fsnotify_backend.h | 1 | ||||
| -rw-r--r-- | include/linux/sched.h | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 49ceed6e92b1..4366f458a86a 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -170,6 +170,7 @@ struct fsnotify_group { #endif /* CONFIG_FANOTIFY_ACCESS_PERMISSIONS */ int f_flags; unsigned int max_marks; + struct user_struct *user; } fanotify_data; #endif /* CONFIG_FANOTIFY */ }; diff --git a/include/linux/sched.h b/include/linux/sched.h index be7adb7588e5..6f420baf37ca 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -672,6 +672,9 @@ struct user_struct { atomic_t inotify_watches; /* How many inotify watches does this user have? */ atomic_t inotify_devs; /* How many inotify devs does this user have opened? */ #endif +#ifdef CONFIG_FANOTIFY + atomic_t fanotify_listeners; +#endif #ifdef CONFIG_EPOLL atomic_t epoll_watches; /* The number of file descriptors currently watched */ #endif |