Fix regressions caused by user namespace conversions (ext2, ext3, quota)

Hello Linus,

could you please pull from

git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git for_linus

to get three fixes of regressions caused by user namespace patches merged recently, and minor ext3 fix and cleanup.

Top of the tree is 6c29c50. The full shortlog is:

Carlos Maiolino (2):
ext3: fix possible non-initialized variable on htree_dirblock_to_tree()
ext3: ext3_bread usage audit

Jan Kara (1):
quota: Silence warning about PRJQUOTA not being handled in need_print_warning()

Zhao Hongjiang (2):
ext2: fix return values on parse_options() failure
ext3: fix return values on parse_options() failure

The diffstat is

 fs/ext2/super.c  |    4 ++--
 fs/ext3/namei.c  |   40 +++++++++++++++++++++-------------------
 fs/ext3/namei.h  |   19 +++++++++++++++++++
 fs/ext3/super.c  |    4 ++--
 fs/quota/dquot.c |    2 ++
 5 files changed, 46 insertions(+), 23 deletions(-)

Thanks
Honza

Jan Kara <[email protected]>
SUSE Labs, CR