lkml.org 
[lkml]   [2008]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [RFC PATCH 20/26] UBIFS: add VFS operations
    Artem Bityutskiy wrote:
    > Pekka Enberg wrote:
    >>> Yeah, this is also a guarding thing. When a dirty page is released
    >>> the budget which was allocated for it has to be freed. If this function
    >>> is called, then the budget was not freed, which must never happen.
    >>
    >> So what guarantees that no one calls invalidate_complete_page() or
    >> fallback_migrate_page(), for example?
    >
    > At the first glance it looks like it might be called, but for clean pages,
    > which is not the problem, but there is this assert which may give fake
    > alarm. Need to look closer at this. Thanks for the note.

    Dirty pages are not released.

    In UBIFS, clean pages do not have PagePrivate(page) set and so releasepage() is not called.


    \
     
     \ /
      Last update: 2008-04-01 17:37    [W:7.619 / U:1.104 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site