lkml.org 
[lkml]   [2011]   [Jan]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 10/10] fs: make aio plug
    Date
    From: Shaohua Li <shaohua.li@intel.com>

    Signed-off-by: Shaohua Li <shaohua.li@intel.com>
    Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
    ---
    fs/aio.c | 4 ++++
    1 files changed, 4 insertions(+), 0 deletions(-)

    diff --git a/fs/aio.c b/fs/aio.c
    index c5ea494..1476bed 100644
    --- a/fs/aio.c
    +++ b/fs/aio.c
    @@ -1660,6 +1660,7 @@ long do_io_submit(aio_context_t ctx_id, long nr,
    long ret = 0;
    int i;
    struct hlist_head batch_hash[AIO_BATCH_HASH_SIZE] = { { 0, }, };
    + struct blk_plug plug;

    if (unlikely(nr < 0))
    return -EINVAL;
    @@ -1676,6 +1677,8 @@ long do_io_submit(aio_context_t ctx_id, long nr,
    return -EINVAL;
    }

    + blk_start_plug(&plug);
    +
    /*
    * AKPM: should this return a partial result if some of the IOs were
    * successfully submitted?
    @@ -1698,6 +1701,7 @@ long do_io_submit(aio_context_t ctx_id, long nr,
    if (ret)
    break;
    }
    + blk_finish_plug(&plug);
    aio_batch_free(batch_hash);

    put_ioctx(ctx);
    --
    1.7.3.2.146.gca209


    \
     
     \ /
      Last update: 2011-01-22 02:21    [W:0.029 / U:61.892 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site