fs/filesystems.c

   1 /*
   2  *  linux/fs/filesystems.c
   3  *
   4  *  Copyright (C) 1991, 1992  Linus Torvalds
   5  *
   6  *  table of configured filesystems
   7  */
   8
   9 #include <linux/config.h>
  10 #include <linux/fs.h>
  11
  12 #include <linux/minix_fs.h>
  13 #include <linux/ext2_fs.h>
  14 #include <linux/msdos_fs.h>
  15 #include <linux/umsdos_fs.h>
  16 #include <linux/proc_fs.h>
  17 #include <linux/nfs_fs.h>
  18 #include <linux/iso_fs.h>
  19 #include <linux/sysv_fs.h>
  20 #include <linux/hpfs_fs.h>
  21 #include <linux/smb_fs.h>
  22 #include <linux/ncp_fs.h>
  23 #include <linux/affs_fs.h>
  24 #include <linux/ufs_fs.h>
  25 #include <linux/romfs_fs.h>
  26 #include <linux/auto_fs.h>
  27 #include <linux/ntfs_fs.h>
  28 #include <linux/hfs_fs.h>
  29 #include <linux/devpts_fs.h>
  30 #include <linux/major.h>
  31 #include <linux/smp.h>
  32 #include <linux/smp_lock.h>
  33 #ifdef CONFIG_KMOD
  34 #include <linux/kmod.h>
  35 #endif
  36 #include <linux/lockd/bind.h>
  37 #include <linux/lockd/xdr.h>
  38 #include <linux/init.h>
  39 #include <linux/nls.h>
  40
  41 #ifdef CONFIG_CODA_FS
  42 extern int init_coda(void);
  43 #endif
  44
  45 #ifdef CONFIG_DEVPTS_FS
  46 extern int init_devpts_fs(void);
  47 #endif
  48
  49 extern void device_setup(void);
  50 extern void binfmt_setup(void);
  51 extern void free_initmem(void);
  52
  53 static void __init do_sys_setup(void)
  54 {
  55         device_setup();
  56
  57         binfmt_setup();
  58
  59 #ifdef CONFIG_EXT2_FS
  60         init_ext2_fs();
  61 #endif
  62
  63 #ifdef CONFIG_MINIX_FS
  64         init_minix_fs();
  65 #endif
  66
  67 #ifdef CONFIG_ROMFS_FS
  68         init_romfs_fs();
  69 #endif
  70
  71 #ifdef CONFIG_UMSDOS_FS
  72         init_umsdos_fs();
  73 #endif
  74
  75 #ifdef CONFIG_FAT_FS
  76         init_fat_fs();
  77 #endif
  78
  79 #ifdef CONFIG_MSDOS_FS
  80         init_msdos_fs();
  81 #endif
  82
  83 #ifdef CONFIG_VFAT_FS
  84         init_vfat_fs();
  85 #endif
  86
  87 #ifdef CONFIG_PROC_FS
  88         init_proc_fs();
  89 #endif
  90
  91 #ifdef CONFIG_LOCKD
  92         nlmxdr_init();
  93 #endif
  94
  95 #ifdef CONFIG_NFS_FS
  96         init_nfs_fs();
  97 #endif
  98
  99 #ifdef CONFIG_CODA_FS
 100         init_coda();
 101 #endif
 102
 103 #ifdef CONFIG_SMB_FS
 104         init_smb_fs();
 105 #endif
 106
 107 #ifdef CONFIG_NCP_FS
 108         init_ncp_fs();
 109 #endif
 110
 111 #ifdef CONFIG_ISO9660_FS
 112         init_iso9660_fs();
 113 #endif
 114
 115 #ifdef CONFIG_SYSV_FS
 116         init_sysv_fs();
 117 #endif
 118
 119 #ifdef CONFIG_HPFS_FS
 120         init_hpfs_fs();
 121 #endif
 122
 123 #ifdef CONFIG_NTFS_FS
 124         init_ntfs_fs();
 125 #endif
 126
 127 #ifdef CONFIG_HFS_FS
 128         init_hfs_fs();
 129 #endif
 130
 131 #ifdef CONFIG_AFFS_FS
 132         init_affs_fs();
 133 #endif
 134
 135 #ifdef CONFIG_UFS_FS
 136         init_ufs_fs();
 137 #endif
 138
 139 #ifdef CONFIG_AUTOFS_FS
 140         init_autofs_fs();
 141 #endif
 142
 143 #ifdef CONFIG_ADFS_FS
 144         init_adfs_fs();
 145 #endif
 146
 147 #ifdef CONFIG_DEVPTS_FS
 148         init_devpts_fs();
 149 #endif
 150
 151 #ifdef CONFIG_NLS
 152         init_nls();
 153 #endif
 154
 155         mount_root();
 156 }
 157
 158 int initmem_freed = 0;
 159
 160 /* This may be used only twice, enforced by 'static int callable' */
 161 asmlinkage int sys_setup(int magic)
 162 {
 163         static int callable = 1;
 164         int err = -1;
 165
 166         lock_kernel();
 167         if (magic) {
 168                 if (!initmem_freed) {
 169                         initmem_freed = 1;
 170                         free_initmem ();
 171                         err = 0;
 172                 }
 173         } else if (callable) {
 174                 callable = 0;
 175                 do_sys_setup();
 176                 err = 0;
 177         }
 178         unlock_kernel();
 179         return err;
 180 }
 181
 182 #ifndef CONFIG_NFSD
 183 #ifdef CONFIG_NFSD_MODULE
 184 int (*do_nfsservctl)(int, void *, void *) = NULL;
 185 #endif
 186 int
 187 asmlinkage sys_nfsservctl(int cmd, void *argp, void *resp)
 188 {
 189 #ifndef CONFIG_NFSD_MODULE
 190         return -ENOSYS;
 191 #else
 192         int ret = -ENOSYS;
 193
 194         lock_kernel();
 195         if (do_nfsservctl) {
 196                 ret = do_nfsservctl(cmd, argp, resp);
 197                 goto out;
 198         }
 199 #ifdef CONFIG_KMOD
 200         if (request_module ("nfsd") == 0) {
 201                 if (do_nfsservctl)
 202                         ret = do_nfsservctl(cmd, argp, resp);
 203         }
 204 #endif /* CONFIG_KMOD */
 205 out:
 206         unlock_kernel();
 207         return ret;
 208 #endif /* CONFIG_NFSD_MODULE */
 209 }
 210 #endif /* CONFIG_NFSD */