[Bugme-new] [Bug 13603] New: Fallocate and DirectIO

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Mon Jun 22 09:47:18 PDT 2009


http://bugzilla.kernel.org/show_bug.cgi?id=13603

           Summary: Fallocate and DirectIO
           Product: File System
           Version: 2.5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: ext4
        AssignedTo: fs_ext4 at kernel-bugs.osdl.org
        ReportedBy: aneesh.kumar at linux.vnet.ibm.com
        Regression: No


Have a kernel.org bugzilla entry to track the bug.

http://article.gmane.org/gmane.comp.file-systems.ext4/13762

I noticed yesterday that a write to fallocate
space via directIO results in fallback to buffer_IO. ie the userspace
pages get copied to the page cache and then call a sync.

I guess this defeat the purpose of using directIO. May be we should
consider this a high priority bug.

-aneesh

-- 
Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.


More information about the Bugme-new mailing list