lkml.org 
[lkml]   [2011]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v3 2/7] fuse: Change remove_from_page_cache
    Date
    This patch series changes remove_from_page_cache's page ref counting
    rule. Page cache ref count is decreased in delete_from_page_cache.
    So we don't need decreasing page reference by caller.

    Cc: Miklos Szeredi <miklos@szeredi.hu>
    Cc: fuse-devel@lists.sourceforge.net
    Acked-by: Hugh Dickins <hughd@google.com>
    Acked-by: Mel Gorman <mel@csn.ul.ie>
    Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
    Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
    Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
    Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
    ---
    fs/fuse/dev.c | 3 +--
    1 files changed, 1 insertions(+), 2 deletions(-)
    diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
    index cf8d28d..1ef24fb 100644
    --- a/fs/fuse/dev.c
    +++ b/fs/fuse/dev.c
    @@ -737,8 +737,7 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
    if (WARN_ON(PageMlocked(oldpage)))
    goto out_fallback_unlock;

    - remove_from_page_cache(oldpage);
    - page_cache_release(oldpage);
    + delete_from_page_cache(oldpage);

    err = add_to_page_cache_locked(newpage, mapping, index, GFP_KERNEL);
    if (err) {
    --
    1.7.0.4


    \
     
     \ /
      Last update: 2011-01-11 06:25    [W:0.069 / U:0.228 seconds]
    ©2003-2014 Jasper Spaans. hosted at Digital Ocean