Mercurial > dovecot > original-hg > dovecot-1.2
changeset 5016:874dede81cc1 HEAD
A new "extension introduction" in transaction log could have left some
existing views to contain an invalid mapping where it contained the new
extension, but with a wrong record_size.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Wed, 17 Jan 2007 16:57:11 +0200 |
| parents | aa4ff7a9c3f7 |
| children | 987397c331d7 |
| files | src/lib-index/mail-index-sync-ext.c |
| diffstat | 1 files changed, 12 insertions(+), 0 deletions(-) [+] |
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--- a/src/lib-index/mail-index-sync-ext.c Wed Jan 17 00:39:49 2007 +0200 +++ b/src/lib-index/mail-index-sync-ext.c Wed Jan 17 16:57:11 2007 +0200 @@ -381,6 +381,18 @@ return 1; } + if (map->refcount != 1) { + /* below we'll first add the extension to the mapping, and then + call sync_ext_reorder() which clones the map. that however + leaves this mapping with the new extension, but without + a resized record_size. if the mapping is still used + elsewhere, it will create problems. so here we'll just make + sure that the partially updated mapping will get destroyed + once the resize is complete. */ + map = mail_index_map_clone(map, map->hdr.record_size); + mail_index_sync_replace_map(ctx, map); + } + hdr_buf = map->hdr_copy_buf; if (MAIL_INDEX_HEADER_SIZE_ALIGN(hdr_buf->used) != hdr_buf->used) { /* we need to add padding between base header and extensions */