From e2f7dd6e55d2f39734abcebd0cf673700e206197 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Tue, 6 Feb 2024 21:56:18 -0500 Subject: fat: Hook up sb->s_uuid Now that we have a standard ioctl for querying the filesystem UUID, initialize sb->s_uuid so that it works. Signed-off-by: Kent Overstreet Link: https://lore.kernel.org/r/20240207025624.1019754-5-kent.overstreet@linux.dev Signed-off-by: Christian Brauner --- fs/fat/inode.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs/fat') diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 1fac3dabf130..5c813696d1ff 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1762,6 +1762,9 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, else /* fat 16 or 12 */ sbi->vol_id = bpb.fat16_vol_id; + __le32 vol_id_le = cpu_to_le32(sbi->vol_id); + super_set_uuid(sb, (void *) &vol_id_le, sizeof(vol_id_le)); + sbi->dir_per_block = sb->s_blocksize / sizeof(struct msdos_dir_entry); sbi->dir_per_block_bits = ffs(sbi->dir_per_block) - 1; -- cgit v1.2.3