search for: mpage_writepages

...c02f2680 c1275e98 00000000 c016598a Sep 21 23:10:05 devil kernel: c95c4e84 00000000 c9f65e90 00000001 c95c4f0c c9f65f70 00000000 00000004 Sep 21 23:10:05 devil kernel: c95c4f0c c9f65e58 fffffffc c9f65ee0 c95c4f3c c95c4f2c c95c4f1c c9f64000 Sep 21 23:10:05 devil kernel: Call Trace: [mpage_writepages+990/1971] [filemap_nopage+243/612] [do_no_page+617/784] [handle_mm_fault+149/360] [__set_page_dirty_buffers+344/404] Sep 21 23:10:05 devil kernel: [filemap_sync_pte+106/116] [ext3_writepages+31/48] [ext3_get_block+0/104] [do_writepages+24/44] [filemap_fdatawrite+93/112] [msync_interval+102/196]...

...d content in the trace log (dmesg), and I cannot figure out what it is or why it is there. If anyone recognizes this situation, I invite comment and suggestions on how to eliminate or decipher it: 4296757675 pdflush(80): do_writepages: map>ops>wrtpgs ffffffffa0195ff5 4296757675 pdflush(80): mpage_writepages w/b index 49728 pages 256000 <7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7><7> <7><7><7><7><7><7><7><7><7&gt...

Dear Sirs and Madams, I run a small visual effects production company, Hammerhead Productions. We'd like to have an easily extensible inexpensive relatively high-performance storage network using open-source components. I was hoping that OCFS2 would be that system. I have a half-dozen 2 TB fileservers I'd like the rest of the network to see as a single 12 TB disk, with the aggregate

I have been studying this for the last several days, and the one thing that leaps out at me is that the page cache always flushes one page at a time. Always. To some extent, there is justification for this - what has to happen for each page that gets flushed depends in part on what file system is being written to and whether or not there is a function for that file system to handle the pages.