Re: [PATCH 1/5] vfs: create a generic checking and prep function for FS_IOC_SETFLAGS
From: Al Viro <viro@zeniv.linux.org.uk>
Date: 2019-06-26 04:02:59
Also in:
linux-btrfs, linux-ext4, linux-f2fs-devel, linux-fsdevel, linux-xfs, lkml, ocfs2-devel
On Tue, Jun 25, 2019 at 07:32:10PM -0700, Darrick J. Wong wrote:
From: Darrick J. Wong <redacted> Create a generic function to check incoming FS_IOC_SETFLAGS flag values and later prepare the inode for updates so that we can standardize the implementations that follow ext4's flag values.
Change in efivarfs behaviour deserves a note. I'm not saying it's wrong, but behaviour is changed there - no-op FS_IOC_SETFLAGS used to fail without CAP_LINUX_IMMUTABLE...