Mercurial > dovecot > original-hg > dovecot-1.2
changeset 5851:fb91e7d729d1 HEAD
If we can do initial sync from .log file by reading less than 2k, do it
instead of opening main index file.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Sun, 01 Jul 2007 01:40:25 +0300 |
| parents | f8caf3c6a5a7 |
| children | 2f9d38b82364 |
| files | src/lib-index/mail-index-sync-update.c |
| diffstat | 1 files changed, 14 insertions(+), 3 deletions(-) [+] |
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--- a/src/lib-index/mail-index-sync-update.c Sun Jul 01 01:05:40 2007 +0300 +++ b/src/lib-index/mail-index-sync-update.c Sun Jul 01 01:40:25 2007 +0300 @@ -9,6 +9,10 @@ #include "mail-transaction-log.h" #include "mail-transaction-log-private.h" +/* If we have less than this many bytes to sync from log file, don't bother + reading the main index */ +#define MAIL_INDEX_SYNC_MIN_READ_INDEX_SIZE 2048 + static void mail_index_sync_update_log_offset(struct mail_index_sync_map_ctx *ctx, struct mail_index_map *map, bool eol) @@ -706,11 +710,18 @@ syncing the current map from the transaction log */ uoff_t log_size, index_size; - if (index->log->head == NULL || index->fd == -1) + if (index->log->head == NULL) return 0; - index_size = map->hdr.header_size + - map->records_count * map->hdr.record_size; + if (index->fd == -1 && + index->log->head->hdr.prev_file_seq != 0) { + /* we don't know the index's size, so use the + smallest index size we're willing to read */ + index_size = MAIL_INDEX_SYNC_MIN_READ_INDEX_SIZE; + } else { + index_size = map->hdr.header_size + + map->records_count * map->hdr.record_size; + } /* this isn't necessary correct currently, but it should be close enough */