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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org On 10/21/26 20:03, Eva Kurchatova wrote: > The ext4 driver also registers the ext2 and ext3 filesystem types, and > those two carry none of the container flags ext4 itself has, so inside > a container they are absent from /proc/filesystems and a mount of an > ext2 or ext3 image fails with "unknown filesystem type", while the same > image mounts as ext4. It is the same code either way, so give the two > aliases the same flags; LTP formats its test devices as ext2 by default > and every one of those tests breaks in a container on that mount. i do not see any reason to enable mounting ext2/ext3 filesystems inside Containers while we already allow ext4 mounts. We do support ext4 inside a CT and we test it. We do not test ext2/ext3 - why to allow it? Until we have a proper usecase / a request from a customer, i would not enable it. If we are talking about LTP tests, we can run currently failing tests inside a CT with LTP_DEV_FS_TYPE=... set > > https://virtuozzo.atlassian.net/browse/VSTOR-132330 > Feature: fs: whiltelist what can be mounted in a CT > > Signed-off-by: Eva Kurchatova > --- > fs/ext4/super.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/fs/ext4/super.c b/fs/ext4/super.c > index e292c0597eaf..0f73473e2d4d 100644 > --- a/fs/ext4/super.c > +++ b/fs/ext4/super.c > @@ -137,7 +137,7 @@ static struct file_system_type ext2_fs_type = { > .init_fs_context = ext4_init_fs_context, > .parameters = ext4_param_specs, > .kill_sb = ext4_kill_sb, > - .fs_flags = FS_REQUIRES_DEV, > + .fs_flags = FS_REQUIRES_DEV | FS_VIRTUALIZED | FS_VE_MOUNT, > }; > MODULE_ALIAS_FS("ext2"); > MODULE_ALIAS("ext2"); > @@ -153,7 +153,7 @@ static struct file_system_type ext3_fs_type = { > .init_fs_context = ext4_init_fs_context, > .parameters = ext4_param_specs, > .kill_sb = ext4_kill_sb, > - .fs_flags = FS_REQUIRES_DEV, > + .fs_flags = FS_REQUIRES_DEV | FS_VIRTUALIZED | FS_VE_MOUNT, > }; > MODULE_ALIAS_FS("ext3"); > MODULE_ALIAS("ext3"); _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel