On Fri, Aug 13, 2021 at 12:41 AM Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx> wrote: > > FAN_FS_ERROR allows reporting of event type FS_ERROR to userspace, which > a mechanism to report file system wide problems via fanotify. This > commit preallocate userspace visible bits to match the FS_ERROR event. > > Reviewed-by: Jan Kara <jack@xxxxxxx> > Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx> Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx> > --- > fs/notify/fanotify/fanotify.c | 1 + > include/uapi/linux/fanotify.h | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c > index 2b1ab031fbe5..ebb6c557cea1 100644 > --- a/fs/notify/fanotify/fanotify.c > +++ b/fs/notify/fanotify/fanotify.c > @@ -760,6 +760,7 @@ static int fanotify_handle_event(struct fsnotify_group *group, u32 mask, > BUILD_BUG_ON(FAN_ONDIR != FS_ISDIR); > BUILD_BUG_ON(FAN_OPEN_EXEC != FS_OPEN_EXEC); > BUILD_BUG_ON(FAN_OPEN_EXEC_PERM != FS_OPEN_EXEC_PERM); > + BUILD_BUG_ON(FAN_FS_ERROR != FS_ERROR); > > BUILD_BUG_ON(HWEIGHT32(ALL_FANOTIFY_EVENT_BITS) != 19); > > diff --git a/include/uapi/linux/fanotify.h b/include/uapi/linux/fanotify.h > index fbf9c5c7dd59..16402037fc7a 100644 > --- a/include/uapi/linux/fanotify.h > +++ b/include/uapi/linux/fanotify.h > @@ -20,6 +20,7 @@ > #define FAN_OPEN_EXEC 0x00001000 /* File was opened for exec */ > > #define FAN_Q_OVERFLOW 0x00004000 /* Event queued overflowed */ > +#define FAN_FS_ERROR 0x00008000 /* Filesystem error */ > > #define FAN_OPEN_PERM 0x00010000 /* File open in perm check */ > #define FAN_ACCESS_PERM 0x00020000 /* File accessed in perm check */ > -- > 2.32.0 >
