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-rw-r--r--fs/block_dev.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 7b9cd49622b1..548ded7ccbde 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -575,7 +575,11 @@ static const struct super_operations bdev_sops = {
static struct dentry *bd_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
- return mount_pseudo(fs_type, "bdev:", &bdev_sops, NULL, BDEVFS_MAGIC);
+ struct dentry *dent;
+ dent = mount_pseudo(fs_type, "bdev:", &bdev_sops, NULL, BDEVFS_MAGIC);
+ if (dent)
+ dent->d_sb->s_iflags |= SB_I_CGROUPWB;
+ return dent;
}
static struct file_system_type bd_type = {