Hi Jin, 2013-08-07 (수), 12:23 +0800, Jim Xu: > Hi Kim, > > The patch sounds good to me. > > BTW, as in the deadlock situation I noticed, I did not find any thread was > doing checkpoint at that moment. The bdi writeback thread and the fsync user > thread was not. Neither was the background f2fs_gc thread because there had > enough free segments. Meanwhile, another user thread was blocked in the > f2fs_sync_file->sync_node_pages, which, I think, is not a factor contributing > to the deadlock.
I indicated one possible scenario. As you described, many fsync calls can also consume all the fs_lock too. Thanks, -- Jaegeuk Kim Samsung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
