lkml.org 
[lkml]   [2006]   [Oct]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[PATCH 2.6.19-rc3] VFS: missing unused dentry in prune_dcache()
    Andrew,

    could you please use this patch instead of
    missing-unused-dentry-in-prune_dcache.patch

    As far as I understand David Howells have not any objections

    Thank you,
    Vasily Averin

    ---
    VFS: missing unused dentry in prune_dcache()

    From: Vasily Averin <vvs@sw.ru>

    If we cannot delete dentry we should insert it back to the dentry_unused list.
    To prevent cycle and do not blocks prune_dcache() call from
    shrink_dcache_memory() we adding this dentry to head of list.

    Signed-off-by: Vasily Averin <vvs@sw.ru>

    --- linux-2.6.19-rc3/fs/dcache.c.prdch 2006-10-25 16:09:19.000000000 +0400
    +++ linux-2.6.19-rc3/fs/dcache.c 2006-10-26 15:14:51.000000000 +0400
    @@ -478,11 +478,9 @@ static void prune_dcache(int count, stru
    up_read(s_umount);
    }
    spin_unlock(&dentry->d_lock);
    - /* Cannot remove the first dentry, and it isn't appropriate
    - * to move it to the head of the list, so give up, and try
    - * later
    - */
    - break;
    + /* Inserting dentry to tail of the list leads to cycle */
    + list_add(&dentry->d_lru, &dentry_unused);
    + dentry_stat.nr_unused++;
    }
    spin_unlock(&dcache_lock);
    }
    -
    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: 2006-10-27 15:45    [W:4.546 / U:0.716 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site