Re: [PATCH] Btrfs: fix incorrect inode acl reset

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On Tue, Oct 15, 2013 at 06:44:00PM +0100, Filipe David Borba Manana wrote:
> When a directory has a default ACL and a subdirectory is created
> under that directory, btrfs_init_acl() is called when the
> subdirectory's inode is created to initialize the inode's ACL
> (inherited from the parent directory) but it was clearing the ACL
> from the inode after setting it if posix_acl_create() returned
> success, instead of clearing it only if it returned an error.
> 
> To reproduce this issue:
> 
> $ mkfs.btrfs -f /dev/loop0
> $ mount /dev/loop0 /mnt
> $ mkdir /mnt/acl
> $ setfacl -d --set u::rwx,g::rwx,o::- /mnt/acl
> $ getfacl /mnt/acl
> user::rwx
> group::rwx
> other::r-x
> default:user::rwx
> default:group::rwx
> default:other::---
> 
> $ mkdir /mnt/acl/dir1
> $ getfacl /mnt/acl/dir1
> user::rwx
> group::rwx
> other::---
> 
> After unmounting and mounting again the filesystem, fgetacl returned the
> expected ACL:
> 
> $ umount /mnt/acl
> $ mount /dev/loop0 /mnt
> $ getfacl /mnt/acl/dir1
> user::rwx
> group::rwx
> other::---
> default:user::rwx
> default:group::rwx
> default:other::---
> 
> Meaning that the underlying xattr was persisted.
> 

Can you put this into an xfstest please?  Thanks,

Josef
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