diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-02-06 21:56:15 -0500 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2024-02-08 21:19:59 +0100 |
| commit | a4af51ce229b1e1eab003966dbfebf9d80093a77 (patch) | |
| tree | 764a2915360b2a16216a5e7e873361e4716ad7a2 /fs/xfs/xfs_mount.c | |
| parent | 6613476e225e090cc9aad49be7fa504e290dd33d (diff) | |
fs: super_set_uuid()
Some weird old filesytems have UUID-like things that we wish to expose
as UUIDs, but are smaller; add a length field so that the new
FS_IOC_(GET|SET)UUID ioctls can handle them in generic code.
And add a helper super_set_uuid(), for setting nonstandard length uuids.
Helper is now required for the new FS_IOC_GETUUID ioctl; if
super_set_uuid() hasn't been called, the ioctl won't be supported.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Link: https://lore.kernel.org/r/20240207025624.1019754-2-kent.overstreet@linux.dev
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_mount.c')
| -rw-r--r-- | fs/xfs/xfs_mount.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index aabb25dc3efa..4a46bc44088f 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -62,7 +62,7 @@ xfs_uuid_mount( int hole, i; /* Publish UUID in struct super_block */ - uuid_copy(&mp->m_super->s_uuid, uuid); + super_set_uuid(mp->m_super, uuid->b, sizeof(*uuid)); if (xfs_has_nouuid(mp)) return 0; |