userns: Convert affs to use kuid/kgid wherwe appropriate (8fed10be) · Commits · e / devices / android_kernel_xiaomi_nabu

fs/affs/affs.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -88,8 +88,8 @@ struct affs_sb_info {
		u32 s_root_block; /* FFS root block number. */
		int s_hashsize; /* Size of hash table. */
		unsigned long s_flags; /* See below. */
		uid_t s_uid; /* uid to override */
		gid_t s_gid; /* gid to override */
		kuid_t s_uid; /* uid to override */
		kgid_t s_gid; /* gid to override */
		umode_t s_mode; /* mode to override */
		struct buffer_head s_root_bh; / Cached root block. */
		struct mutex s_bmlock; /* Protects bitmap access. */

+10 −10

Original line number	Diff line number	Diff line
		@@ -80,17 +80,17 @@ struct inode affs_iget(struct super_block sb, unsigned long ino)
		if (id == 0 \|\| sbi->s_flags & SF_SETUID)
		inode->i_uid = sbi->s_uid;
		else if (id == 0xFFFF && sbi->s_flags & SF_MUFS)
		inode->i_uid = 0;
		i_uid_write(inode, 0);
		else
		inode->i_uid = id;
		i_uid_write(inode, id);

		id = be16_to_cpu(tail->gid);
		if (id == 0 \|\| sbi->s_flags & SF_SETGID)
		inode->i_gid = sbi->s_gid;
		else if (id == 0xFFFF && sbi->s_flags & SF_MUFS)
		inode->i_gid = 0;
		i_gid_write(inode, 0);
		else
		inode->i_gid = id;
		i_gid_write(inode, id);

		switch (be32_to_cpu(tail->stype)) {
		case ST_ROOT:
		@@ -193,13 +193,13 @@ affs_write_inode(struct inode inode, struct writeback_control wbc)
		tail->size = cpu_to_be32(inode->i_size);
		secs_to_datestamp(inode->i_mtime.tv_sec,&tail->change);
		if (!(inode->i_ino == AFFS_SB(sb)->s_root_block)) {
		uid = inode->i_uid;
		gid = inode->i_gid;
		uid = i_uid_read(inode);
		gid = i_gid_read(inode);
		if (AFFS_SB(sb)->s_flags & SF_MUFS) {
		if (inode->i_uid == 0 \|\| inode->i_uid == 0xFFFF)
		uid = inode->i_uid ^ ~0;
		if (inode->i_gid == 0 \|\| inode->i_gid == 0xFFFF)
		gid = inode->i_gid ^ ~0;
		if (uid == 0 \|\| uid == 0xFFFF)
		uid = uid ^ ~0;
		if (gid == 0 \|\| gid == 0xFFFF)
		gid = gid ^ ~0;
		}
		if (!(AFFS_SB(sb)->s_flags & SF_SETUID))
		tail->uid = cpu_to_be16(uid);

+11 −7

Original line number	Diff line number	Diff line
		@@ -188,7 +188,7 @@ static const match_table_t tokens = {
		};

		static int
		parse_options(char options, uid_t uid, gid_t gid, int mode, int reserved, s32 root,
		parse_options(char options, kuid_t uid, kgid_t gid, int mode, int reserved, s32 root,
		int blocksize, char prefix, char volume, unsigned long *mount_opts)
		{
		char *p;
		@@ -253,13 +253,17 @@ parse_options(char options, uid_t uid, gid_t gid, int mode, int *reserved, s
		case Opt_setgid:
		if (match_int(&args[0], &option))
		return 0;
		*gid = option;
		*gid = make_kgid(current_user_ns(), option);
		if (!gid_valid(*gid))
		return 0;
		*mount_opts \|= SF_SETGID;
		break;
		case Opt_setuid:
		if (match_int(&args[0], &option))
		return 0;
		*uid = option;
		*uid = make_kuid(current_user_ns(), option);
		if (!uid_valid(*uid))
		return 0;
		*mount_opts \|= SF_SETUID;
		break;
		case Opt_verbose:
		@@ -301,8 +305,8 @@ static int affs_fill_super(struct super_block sb, void data, int silent)
		int num_bm;
		int i, j;
		s32 key;
		uid_t uid;
		gid_t gid;
		kuid_t uid;
		kgid_t gid;
		int reserved;
		unsigned long mount_flags;
		int tmp_flags; /* fix remount prototype... */
		@@ -527,8 +531,8 @@ affs_remount(struct super_block sb, int flags, char *data)
		{
		struct affs_sb_info *sbi = AFFS_SB(sb);
		int blocksize;
		uid_t uid;
		gid_t gid;
		kuid_t uid;
		kgid_t gid;
		int mode;
		int reserved;
		int root_block;

+0 −1