On Fri, Feb 22, 2013 at 03:32:50AM -0500, Marios Titas wrote:
> Sorry, but the bug persists even with the above patch.
>
> touch test
> chattr +C test
> lsattr test
> mv test test2
> lsattr test2
>
> In the above scenario test2 will not have the C flag.
What do you expect? IMO it's right that test2 does not have the C flag.
This patch ensure that we get the same result after we remount, no more
the C flag coming back :)
thanks,
liubo
>
> On Fri, Feb 22, 2013 at 3:11 AM, Liu Bo <bo.li....@oracle.com> wrote:
> > A user reported some weird behaviours,
> > if we move a file with the noCow flag to a directory without the
> > noCow flag, the file is now without the flag, but after remount,
> > we'll find the file's noCow flag comes back.
> >
> > This is because we missed a proper inode update after inheriting
> > parent directory's flags,
> >
> > Reported-by: Marios Titas <redneb8...@gmail.com>
> > Signed-off-by: Liu Bo <bo.li....@oracle.com>
> > ---
> > fs/btrfs/inode.c | 7 +++++--
> > 1 files changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
> > index d9984fa..d2e3352 100644
> > --- a/fs/btrfs/inode.c
> > +++ b/fs/btrfs/inode.c
> > @@ -7478,8 +7478,6 @@ static int btrfs_rename(struct inode *old_dir, struct
> > dentry *old_dentry,
> > old_dentry->d_inode,
> > old_dentry->d_name.name,
> > old_dentry->d_name.len);
> > - if (!ret)
> > - ret = btrfs_update_inode(trans, root, old_inode);
> > }
> > if (ret) {
> > btrfs_abort_transaction(trans, root, ret);
> > @@ -7514,6 +7512,11 @@ static int btrfs_rename(struct inode *old_dir,
> > struct dentry *old_dentry,
> > }
> >
> > fixup_inode_flags(new_dir, old_inode);
> > + ret = btrfs_update_inode(trans, root, old_inode);
> > + if (ret) {
> > + btrfs_abort_transaction(trans, root, ret);
> > + goto out_fail;
> > + }
> >
> > ret = btrfs_add_link(trans, new_dir, old_inode,
> > new_dentry->d_name.name,
> > --
> > 1.7.7.6
> >
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