From d0934300b1afb120d555ce6756c9eafdec5ab401 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Fri, 12 Aug 2016 15:32:34 -0400 Subject: [PATCH] os/bluestore/BlueFS: assert we never extend log at flush Signed-off-by: Sage Weil --- src/os/bluestore/BlueFS.cc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/os/bluestore/BlueFS.cc b/src/os/bluestore/BlueFS.cc index 394a31d64d828..835b76063fd7f 100644 --- a/src/os/bluestore/BlueFS.cc +++ b/src/os/bluestore/BlueFS.cc @@ -1210,6 +1210,9 @@ int BlueFS::_flush_range(FileWriter *h, uint64_t offset, uint64_t length) // previously allocated extents. bool must_dirty = false; if (allocated < offset + length) { + // we should never run out of log space here; see the min runway check + // in _flush_and_sync_log. + assert(h->file->fnode.ino != 1); int r = _allocate(h->file->fnode.prefer_bdev, offset + length - allocated, &h->file->fnode.extents); -- 2.39.5