From: Aki Tuomi <aki.tuomi@dovecot.fi>
Date: Tue, 18 Jul 2017 11:37:53 +0000 (+0300)
Subject: lib-index: Mark index deleted if index log file is missing
X-Git-Tag: 2.2.32.rc1~71
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3a61bed93bee95a3291f4f4765a36a17d47e76ba;p=thirdparty%2Fdovecot%2Fcore.git

lib-index: Mark index deleted if index log file is missing

This fixes all kinds of errors caused by mailbox being
deleted by another process.
---

diff --git a/src/lib-index/mail-index.c b/src/lib-index/mail-index.c
index 537a998114..b07a9b927f 100644
--- a/src/lib-index/mail-index.c
+++ b/src/lib-index/mail-index.c
@@ -931,6 +931,20 @@ void mail_index_file_set_syscall_error(struct mail_index *index,
 	i_assert(filepath != NULL);
 	i_assert(function != NULL);
 
+	if (errno == ENOENT) {
+		struct stat st;
+		int old_errno = errno;
+		i_assert(index->log->filepath != NULL);
+		if (nfs_safe_stat(index->log->filepath, &st) < 0 &&
+		    errno == ENOENT) {
+			/* the index log has gone away */
+			index->index_deleted = TRUE;
+			errno = old_errno;
+			return;
+		}
+		errno = old_errno;
+	}
+
 	if (ENOSPACE(errno)) {
 		index->nodiskspace = TRUE;
 		if ((index->flags & MAIL_INDEX_OPEN_FLAG_NEVER_IN_MEMORY) == 0)