From: Konstantin Khorenko <khore...@virtuozzo.com>
At the moment XFS is not marked as ready to be mounted inside non-init
userns (see xfs_fs_type), while we previously decided to allow using XFS
inside a CT:
b86b9049ba50 ("xfs: allow to mount xfs fs inside a Container")
https://jira.sw.ru/browse/PSBM-72401
so let's mark XFS as mount-able inside non-init userns.
mFixes: b86b9049ba50 ("xfs: allow to mount xfs fs inside a Container")
https://jira.sw.ru/browse/PSBM-86369
Signed-off-by: Konstantin Khorenko <khore...@virtuozzo.com>
eshatokhin@:
Used FS_VE_MOUNT as suggested by Pavel Tikhomirov (ptikhomirov@) instead
of FS_USERNS_MOUNT: it is better to allow mounts only from the init
userns of a container rather than from just any userns.
Cherry-picked from vz7 commit b86b9049ba50 ("xfs: allow to mount xfs fs
inside a Container")
Done in the scope of https://jira.sw.ru/browse/PSBM-127830.
Signed-off-by: Evgenii Shatokhin <eshatok...@virtuozzo.com>
(cherry-picked from vz8 commit 7d3dd4eb58f8 ("xfs: Allow to mount XFS in
non-init userns"))
Signed-off-by: Nikita Yushchenko <nikita.yushche...@virtuozzo.com>
---
fs/xfs/xfs_super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 304875c0d3cc..fd1cd6aacd10 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1888,7 +1888,7 @@ static struct file_system_type xfs_fs_type = {
.init_fs_context = xfs_init_fs_context,
.parameters = xfs_fs_parameters,
.kill_sb = kill_block_super,
- .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP |
FS_VIRTUALIZED,
+ .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP |
FS_VIRTUALIZED | FS_VE_MOUNT,
};
MODULE_ALIAS_FS("xfs");
--
2.30.2
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