[git pull] vfs fixes

[Al Viro]

double iput() on failure exit in lustre, racy removal of spliced dentries
from ->s_anon in __d_materialise_dentry() plus a bunch of assorted RCU pathwalk
fixes.  Please, pull from the usual place -
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git for-linus

Shortlog:
Al Viro (5):
      [fix] lustre: d_make_root() does iput() on dentry allocation failure
      move the call of __d_drop(anon) into __d_materialise_unique(dentry, anon)
      fix bogus read_seqretry() checks introduced in b37199e
      don't bugger nd->seq on set_root_rcu() from follow_dotdot_rcu()
      be careful with nd->inode in path_init() and follow_dotdot_rcu()

Diffstat:
 drivers/staging/lustre/lustre/llite/llite_lib.c |    2 +-
 fs/dcache.c                                     |    8 +++-
 fs/namei.c                                      |   52 ++++++++++++++---------
 3 files changed, 39 insertions(+), 23 deletions(-)
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