commit 79725289e1f0ed86e2afb37748c83571118d465b Author: teor <teor2345@gmail.com> Date: Sun May 28 22:28:56 2017 +1000 If we do underflow the know usage of a storage, recalculate it Fixes bug #22424 on 0.3.1.1-alpha. --- src/common/storagedir.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/common/storagedir.c b/src/common/storagedir.c index cc2230d..befcfe6 100644 --- a/src/common/storagedir.c +++ b/src/common/storagedir.c @@ -418,6 +418,16 @@ storage_dir_reduce_usage(storage_dir_t *d, uint64_t removed_file_size) * actual usage (rather than relaying on cached usage), and the call to * this function. */ d->usage -= removed_file_size; + } else { + /* If we underflowed the cached directory size, re-check the sizes of all + * the files in the directory. This makes storage_dir_shrink() quadratic, + * but only if a process is continually changing file sizes in the + * storage directory (in which case, we have bigger issues). + * + * We can't just reset usage_known, because storage_dir_shrink() relies + * on knowing the usage. */ + storage_dir_rescan(d); + (void)storage_dir_get_usage(d); } } }