[lkml]   [2010]   [Aug]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 19/39] union-mount: Implement union lookup
    On Sun,  8 Aug 2010, Valerie Aurora wrote:
    > Implement unioned directories, whiteouts, and fallthrus in pathname
    > lookup routines. do_lookup() and lookup_hash() call lookup_union()
    > after looking up the dentry from the top-level file system.
    > lookup_union() is centered around __lookup_hash(), which does cached
    > and/or real lookups and revalidates each dentry in the union stack.
    > XXX - implement negative union cache entries
    > XXX - handle different permissions on directories

    If process doing the lookup doesn't have write permission on the top
    level directory then the lookup will fail. This is not intended, is


     \ /
      Last update: 2010-08-13 15:51    [W:0.021 / U:80.008 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site