70 static int btrfs_remount(struct super_block *sb, int *flags, char *data);
112 	struct super_block *sb = fs_info->sb;  in btrfs_handle_error()  local
114 	if (sb->s_flags & MS_RDONLY)  in btrfs_handle_error()
118 		sb->s_flags |= MS_RDONLY;  in btrfs_handle_error()
141 	struct super_block *sb = fs_info->sb;  in __btrfs_std_error()  local
150 	if (errno == -EROFS && (sb->s_flags & MS_RDONLY))  in __btrfs_std_error()
165 			sb->s_id, function, line, errno, errstr, &vaf);  in __btrfs_std_error()
169 			sb->s_id, function, line, errno, errstr);  in __btrfs_std_error()
175 	if (sb->s_flags & MS_BORN)  in __btrfs_std_error()
193 	struct super_block *sb = fs_info->sb;  in btrfs_printk()  local
215 	printk("%sBTRFS %s (device %s): %pV\n", lvl, type, sb->s_id, &vaf);  in btrfs_printk()
271 		s_id = fs_info->sb->s_id;  in __btrfs_panic()
287 static void btrfs_put_super(struct super_block *sb)  in btrfs_put_super()  argument
289 	close_ctree(btrfs_sb(sb)->tree_root);  in btrfs_put_super()
571 			root->fs_info->sb->s_flags |= MS_POSIXACL;  in btrfs_parse_options()
580 			root->fs_info->sb->s_flags &= ~MS_POSIXACL;  in btrfs_parse_options()
1023 static int btrfs_fill_super(struct super_block *sb,  in btrfs_fill_super()  argument
1028 	struct btrfs_fs_info *fs_info = btrfs_sb(sb);  in btrfs_fill_super()
1032 	sb->s_maxbytes = MAX_LFS_FILESIZE;  in btrfs_fill_super()
1033 	sb->s_magic = BTRFS_SUPER_MAGIC;  in btrfs_fill_super()
1034 	sb->s_op = &btrfs_super_ops;  in btrfs_fill_super()
1035 	sb->s_d_op = &btrfs_dentry_operations;  in btrfs_fill_super()
1036 	sb->s_export_op = &btrfs_export_ops;  in btrfs_fill_super()
1037 	sb->s_xattr = btrfs_xattr_handlers;  in btrfs_fill_super()
1038 	sb->s_time_gran = 1;  in btrfs_fill_super()
1040 	sb->s_flags |= MS_POSIXACL;  in btrfs_fill_super()
1042 	sb->s_flags |= MS_I_VERSION;  in btrfs_fill_super()
1043 	sb->s_iflags |= SB_I_CGROUPWB;  in btrfs_fill_super()
1044 	err = open_ctree(sb, fs_devices, (char *)data);  in btrfs_fill_super()
1053 	inode = btrfs_iget(sb, &key, fs_info->fs_root, NULL);  in btrfs_fill_super()
1059 	sb->s_root = d_make_root(inode);  in btrfs_fill_super()
1060 	if (!sb->s_root) {  in btrfs_fill_super()
1065 	save_mount_options(sb, data);  in btrfs_fill_super()
1066 	cleancache_init_fs(sb);  in btrfs_fill_super()
1067 	sb->s_flags |= MS_ACTIVE;  in btrfs_fill_super()
1075 int btrfs_sync_fs(struct super_block *sb, int wait)  in btrfs_sync_fs()  argument
1078 	struct btrfs_fs_info *fs_info = btrfs_sb(sb);  in btrfs_sync_fs()
1106 			if (__sb_start_write(sb, SB_FREEZE_WRITE, false))  in btrfs_sync_fs()
1107 				__sb_end_write(sb, SB_FREEZE_WRITE);  in btrfs_sync_fs()
1161 	if (!(root->fs_info->sb->s_flags & MS_POSIXACL))  in btrfs_show_options()
1395 				  struct super_block *sb,  in setup_security_options()  argument
1404 	ret = security_sb_set_mnt_opts(sb, sec_opts, 0, NULL);  in setup_security_options()
1589 			sync_filesystem(fs_info->sb);  in btrfs_remount_begin()
1602 	     (fs_info->sb->s_flags & MS_RDONLY))) {  in btrfs_remount_cleanup()
1609 static int btrfs_remount(struct super_block *sb, int *flags, char *data)  in btrfs_remount()  argument
1611 	struct btrfs_fs_info *fs_info = btrfs_sb(sb);  in btrfs_remount()
1613 	unsigned old_flags = sb->s_flags;  in btrfs_remount()
1622 	sync_filesystem(sb);  in btrfs_remount()
1632 		ret = setup_security_options(fs_info, sb,  in btrfs_remount()
1650 	if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))  in btrfs_remount()
1665 		sb->s_flags |= MS_RDONLY;  in btrfs_remount()
1738 		sb->s_flags &= ~MS_RDONLY;  in btrfs_remount()
1747 	if (sb->s_flags & MS_RDONLY)  in btrfs_remount()
1749 	sb->s_flags = old_flags;  in btrfs_remount()
2062 static void btrfs_kill_super(struct super_block *sb)  in btrfs_kill_super()  argument
2064 	struct btrfs_fs_info *fs_info = btrfs_sb(sb);  in btrfs_kill_super()
2065 	kill_anon_super(sb);  in btrfs_kill_super()
2124 static int btrfs_freeze(struct super_block *sb)  in btrfs_freeze()  argument
2127 	struct btrfs_root *root = btrfs_sb(sb)->tree_root;  in btrfs_freeze()