Badari Pulavarty <[EMAIL PROTECTED]> wrote: > > > Maybe DB2 dirties pages through mmap? > > > > Nikita. > > It does. Most databases dirty data using shared memory segments, but > they do write to filesystem directly also.
If DB2 leaves that dirty data floating about in memory for a long time, it'll eventually get written back via block_write_full_page(). But if you run fsync or msync, it'll go to disk via ->writepages() and no bh's will be attached. - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
