On Fri, Jan 6, 2017 at 12:43 PM, Jan Kara <jack@xxxxxxx> wrote: > Currently we queue mark into a list of marks for destruction in > __fsnotify_free_mark() and keep the last mark reference dangling. After the > worker waits for SRCU period, it drops the last reference to the mark > which frees it. This scheme has the disadvantage that if we hold > reference to a mark and drop and reacquire SRCU lock, the mark can get > freed immediately which is slightly inconvenient and we will need to > avoid this in the future. > > Move to a scheme where queueing of mark into a list of marks for > destruction happens when the last reference to the mark is dropped. Also > drop reference to the mark held by group list already when mark is > removed from that list instead of dropping it only from the destruction > worker. > > Signed-off-by: Jan Kara <jack@xxxxxxx> Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
