[PATCH 0/15] sysfs lazification final

[Eric W. Biederman]

The sysfs code updates the vfs caches immediately when the sysfs data
structures change causing a lot of unnecessary complications.  The
following patchset untangles that beast.  Allowing for simpler
more straight forward code, the removal of a hack from the vfs
to support sysfs, and human comprehensible locking on sysfs.

Most of these patches have already been reviewed and acked from the
last time I had time to work on sysfs.

This acks have been folded in and the two small bugs found in the
previous review have been fixed in the trailing patches (they are
minor enough nits that even a bisect that happens to land in the
middle should not see sysfs problems).

In net the patches look like:

 fs/namei.c            |   22 ---
 fs/sysfs/dir.c        |  388 ++++++++++++++++---------------------------------
 fs/sysfs/file.c       |   41 +----
 fs/sysfs/inode.c      |  178 ++++++++++++++---------
 fs/sysfs/symlink.c    |   11 +-
 fs/sysfs/sysfs.h      |    9 +-
 include/linux/namei.h |    1 -
 7 files changed, 256 insertions(+), 394 deletions(-)

Eric
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