lkml.org 
[lkml]   [2007]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: O_DIRECT question
    Mark Lord wrote:
    > You guys need to backup in this thread.
    >
    > Every example of O_DIRECT here could be replaced with
    > calls to mmap(), msync(), and madvise() (or posix_fadvise).

    No. How about handling IO errors? There is no practical way for it with
    mmap().

    > In addition to being at least as fast as O_DIRECT,
    > these have the added benefit of using the page cache
    > (avoiding reads for data already present, handling multiple
    > users of the same data, etc..).
    >
    >

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-01-26 18:01    [W:0.019 / U:59.608 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site