On Wed, Feb 7, 2024 at 8:41 AM Amir Goldstein <amir73il@xxxxxxxxx> wrote: > > On Wed, Feb 7, 2024 at 4:57 AM Kent Overstreet > <kent.overstreet@xxxxxxxxx> wrote: > > > > Add a new generic ioctls for querying the filesystem UUID. > > > > These are lifted versions of the ext4 ioctls, with one change: we're not > > using a flexible array member, because UUIDs will never be more than 16 > > bytes. > > > > This patch adds a generic implementation of FS_IOC_GETFSUUID, which > > reads from super_block->s_uuid. We're not lifting SETFSUUID from ext4 - > > that can be done on offline filesystems by the people who need it, > > trying to do it online is just asking for too much trouble. > > > > Cc: Christian Brauner <brauner@xxxxxxxxxx> > > Cc: Jan Kara <jack@xxxxxxx> > > Cc: Dave Chinner <dchinner@xxxxxxxxxx> > > Cc: "Darrick J. Wong" <djwong@xxxxxxxxxx> > > Cc: Theodore Ts'o <tytso@xxxxxxx> > > Cc: linux-fsdevel@xxxxxxxxxxxxxx typo in list address. Thanks, Amir.
