Some tools in userspace, such as quota-tools, are using stat() to get the st_dev of a mount point then to find out the device mounted on this mount point. So we have to fill ->s_dev here to tell them which device is mounted on this point. Signed-off-by: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx> --- fs/ubifs/super.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 27e1739..161b1a6 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -36,6 +36,7 @@ #include <linux/mount.h> #include <linux/math64.h> #include <linux/writeback.h> +#include <linux/cdev.h> #include "ubifs.h" /* @@ -2033,6 +2034,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent) sb->s_bdi = &c->bdi; sb->s_cdev = ubi_get_volume_cdev(c->ubi); + sb->s_dev = sb->s_cdev->dev; sb->s_fs_info = c; sb->s_magic = UBIFS_SUPER_MAGIC; sb->s_blocksize = UBIFS_BLOCK_SIZE; -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
