[v4,0/2] Supporting same fsid mounting through the temp-fsid feature

Message

Guilherme G. Piccoli Sept. 13, 2023, 10:36 p.m. UTC

Hi, this is the 4th round of the same fsid mounting patch. Our goal
is to allow btrfs to have the same filesystem mounting at the same time.
The main change this time was the name of the feature, from single-dev to
temp-fsid, which seems the less disliked name heh

More details in the patches' changelogs.
Thanks,

Guilherme


Guilherme G. Piccoli (2):
  btrfs-progs: Add the temp-fsid feature (to both mkfs/tune)
  btrfs: Introduce the temp-fsid feature

btrfs-progs:
 common/fsfeatures.c        |  7 ++++
 kernel-shared/ctree.h      |  3 +-
 kernel-shared/uapi/btrfs.h |  7 ++++
 mkfs/main.c                |  4 ++-
 tune/main.c                | 72 +++++++++++++++++++++++++-------------
 5 files changed, 66 insertions(+), 27 deletions(-)

kernel:
 fs/btrfs/disk-io.c         | 18 +++++++++-
 fs/btrfs/fs.h              |  3 +-
 fs/btrfs/ioctl.c           | 18 ++++++++++
 fs/btrfs/sysfs.c           |  2 ++
 fs/btrfs/volumes.c         | 70 +++++++++++++++++++++++++++++++-------
 fs/btrfs/volumes.h         |  5 +++
 include/uapi/linux/btrfs.h |  7 ++++
 7 files changed, 109 insertions(+), 14 deletions(-)