Unverified Commit e2f7dd6e authored by Kent Overstreet's avatar Kent Overstreet Committed by Christian Brauner
Browse files

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: default avatarKent Overstreet <kent.overstreet@linux.dev>
Link: https://lore.kernel.org/r/20240207025624.1019754-5-kent.overstreet@linux.dev


Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 41bcbe59

fs/fat/inode.c

+3 −0
Original line number Diff line number Diff line
@@ -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;