lib-index: When creating dovecot.index.backup files, fdatasync() them first. Otherwise if the dovecot.index file had been written to recently, it could lose both the new and the old backup data.
lib-index: When creating dovecot.index.backup files, fdatasync() them first.
Otherwise if the dovecot.index file had been written to recently, it could
lose both the new and the old backup data.

dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot