On Wed, May 09, 2012 at 11:24:28AM +0800, Miao Xie wrote: > Did you apply the trylock patchs I sent before? 20120429 [PATCH 1/2] vfs: re-implement writeback_inodes_sb(_nr)_if_idle() and rename them 20120429 [PATCH 2/2] Btrfs: flush all the dirty pages if try_to_writeback_inodes_sb_nr() fails on top of 3.4, no deadlocks occured with looped 269, 264, 254, 276. Mounted with space_cache,autodefrag . david -- 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