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[GIT PULL] Quota, fsnotify, and ext2 changes for 4.10-rc1

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  [GIT PULL] Quota, fsnotify, and ext2 changes for 4.10-rc1 Jan Kara <jack@suse.cz> - 2016-12-19 10:40 +0100
    Re: [GIT PULL] Quota, fsnotify, and ext2 changes for 4.10-rc1 Jan Kara <jack@suse.cz> - 2016-12-19 14:20 +0100

#1544395 — [GIT PULL] Quota, fsnotify, and ext2 changes for 4.10-rc1

  Hello Linus,

  could you please pull from

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

to get changes to locking of some quota operations from dedicated quota mutex
to s_umount semaphore, a fsnotify fix and a simple ext2 fix.

Top of the tree is 5716863e0f82. The full shortlog is:

Darrick J. Wong (1):
      ext2: reject inodes with negative size

Jan Kara (8):
      fs: Provide function to get superblock with exclusive s_umount
      quota: Hold s_umount in exclusive mode when enabling / disabling quotas
      quota: Use s_umount protection for quota operations
      ocfs2: Protect periodic quota syncing with s_umount semaphore
      quota: Remove dqonoff_mutex from dquot_scan_active()
      ocfs2: Use s_umount for quota recovery protection
      quota: Remove dqonoff_mutex
      fsnotify: Fix possible use-after-free in inode iteration on umount

The diffstat is

 fs/ext2/inode.c         |   4 ++
 fs/notify/inode_mark.c  |  45 ++++------------
 fs/ocfs2/quota_global.c |  10 +++-
 fs/ocfs2/quota_local.c  |  11 ++--
 fs/ocfs2/super.c        |   1 -
 fs/quota/dquot.c        | 134 +++++++++++++++++-------------------------------
 fs/quota/quota.c        |  22 +++++---
 fs/super.c              |  81 +++++++++++++++++++++--------
 include/linux/fs.h      |   2 +
 include/linux/quota.h   |   1 -
 10 files changed, 151 insertions(+), 160 deletions(-)

							Thanks
								Honza

-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

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#1544516

Hello Linus,

On Mon 19-12-16 10:34:42, Jan Kara wrote:
>   could you please pull from
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git for_linus
> 
> to get changes to locking of some quota operations from dedicated quota mutex
> to s_umount semaphore, a fsnotify fix and a simple ext2 fix.
> 
> Top of the tree is 5716863e0f82. The full shortlog is:

Just after sending this pull request I've received a report from 0-day
testing that a warning in dquot_disable() hits on remount. It is just a
cosmetic thing but still I'd prefer to have this fixed and not have to deal
with reports of this warning. So I have pushed out one additional commit
to for_linus branch:

2700e6067c72 "quota: Fix bogus warning in dquot_disable()"

Sorry for the noise. I'm now going to dig into why my personal testing
didn't actually spot this earlier...

								Honza
> 
> Darrick J. Wong (1):
>       ext2: reject inodes with negative size
> 
> Jan Kara (8):
>       fs: Provide function to get superblock with exclusive s_umount
>       quota: Hold s_umount in exclusive mode when enabling / disabling quotas
>       quota: Use s_umount protection for quota operations
>       ocfs2: Protect periodic quota syncing with s_umount semaphore
>       quota: Remove dqonoff_mutex from dquot_scan_active()
>       ocfs2: Use s_umount for quota recovery protection
>       quota: Remove dqonoff_mutex
>       fsnotify: Fix possible use-after-free in inode iteration on umount
> 
> The diffstat is
> 
>  fs/ext2/inode.c         |   4 ++
>  fs/notify/inode_mark.c  |  45 ++++------------
>  fs/ocfs2/quota_global.c |  10 +++-
>  fs/ocfs2/quota_local.c  |  11 ++--
>  fs/ocfs2/super.c        |   1 -
>  fs/quota/dquot.c        | 134 +++++++++++++++++-------------------------------
>  fs/quota/quota.c        |  22 +++++---
>  fs/super.c              |  81 +++++++++++++++++++++--------
>  include/linux/fs.h      |   2 +
>  include/linux/quota.h   |   1 -
>  10 files changed, 151 insertions(+), 160 deletions(-)
> 
> 							Thanks
> 								Honza
> 
> -- 
> Jan Kara <jack@suse.com>
> SUSE Labs, CR
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

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