Re: Buffer pache cache synchronization on 2.2x kernel series

2000-11-01 Thread Daniel Phillips
Martin Frey wrote: What I don't understand is what happens if somebody writes to a mmaped area. The page will certainly be modifed. Reads will see the modification since the page is in page cache. What about a write that modifies a part of the same page? The contents in the page cache is

Buffer pache cache synchronization on 2.2x kernel series

2000-10-27 Thread Martin Frey
Dear all, I'm interested in the synchronization mechanism between buffer and page cache, e.g. for read/writes/mmap on an ext2 file system. Can anybody give me a hint? I understand how the read and writes get synchronized: read (generic_file_read) checks the page cache, if not found it calls