https://jira.sw.ru/browse/PSBM-40100

Signed-off-by: Kirill Tkhai <[email protected]>
---
 fs/binfmt_misc.c |    2 +-
 fs/ext4/super.c  |    3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 90c306e..2be9b62 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -748,7 +748,7 @@ static struct file_system_type bm_fs_type = {
        .name           = "binfmt_misc",
        .mount          = bm_mount,
        .kill_sb        = kill_litter_super,
-       .fs_flags       = FS_VIRTUALIZED,
+       .fs_flags       = FS_VIRTUALIZED | FS_USERNS_MOUNT,
 };
 MODULE_ALIAS_FS("binfmt_misc");
 
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 5209777..2193000 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5727,7 +5727,8 @@ static struct file_system_type ext4_fs_type = {
        .mount          = ext4_mount,
        .kill_sb        = ext4_kill_sb,
        .fs_flags       = FS_REQUIRES_DEV | FS_HAS_INVALIDATE_RANGE |
-                         FS_VIRTUALIZED | FS_HAS_MMAP_PREP,
+                         FS_VIRTUALIZED | FS_HAS_MMAP_PREP | FS_USERNS_MOUNT |
+                         FS_USERNS_DEV_MOUNT,
 };
 MODULE_ALIAS_FS("ext4");
 

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