X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fvfs%2Fmount.c;h=1773218a3908ab4a474cbc17c3788607cd3fbfcb;hb=f0ffa8c904a7a99e115e926b4bf59d9749e86334;hp=6c0929e2b6b2f2b015fc93b3410f60e1f1f9bc41;hpb=1e7db40300bc594cf708bb6082a6e05a268da946;p=tpg%2Facess2.git diff --git a/Kernel/vfs/mount.c b/Kernel/vfs/mount.c index 6c0929e2..1773218a 100644 --- a/Kernel/vfs/mount.c +++ b/Kernel/vfs/mount.c @@ -1,7 +1,7 @@ /* * Acess Micro - VFS Server version 1 */ -#include +#include #include #include #include @@ -11,25 +11,31 @@ extern int giVFS_MountFileID; extern char *gsVFS_MountFile; // === PROTOTYPES === - int VFS_Mount(char *Device, char *MountPoint, char *Filesystem, char *ArgString); -void VFS_UpdateMountFile(); +#if 0 + int VFS_Mount(const char *Device, const char *MountPoint, const char *Filesystem, const char *Options); +#endif +void VFS_UpdateMountFile(void); // === GLOBALS === - int glVFS_MountList = 0; +tMutex glVFS_MountList; tVFS_Mount *gVFS_Mounts; tVFS_Mount *gVFS_RootMount = NULL; +Uint32 giVFS_NextMountIdent = 1; // === CODE === /** - * \fn int VFS_Mount(char *Device, char *MountPoint, char *Filesystem, char *Options) * \brief Mount a device * \param Device Device string to mount * \param MountPoint Destination for the mount * \param Filesystem Filesystem to use for the mount * \param Options Options to be passed to the filesystem * \return -1 on Invalid FS, -2 on No Mem, 0 on success + * + * Mounts the filesystem on \a Device at \a MountPoint using the driver + * \a Filesystem. The options in the string \a Options is passed to the + * driver's mount. */ -int VFS_Mount(char *Device, char *MountPoint, char *Filesystem, char *Options) +int VFS_Mount(const char *Device, const char *MountPoint, const char *Filesystem, const char *Options) { tVFS_Mount *mnt; tVFS_Driver *fs; @@ -40,7 +46,7 @@ int VFS_Mount(char *Device, char *MountPoint, char *Filesystem, char *Options) // Get the filesystem fs = VFS_GetFSByName(Filesystem); if(!fs) { - Warning("VFS_Mount - Unknown FS Type '%s'", Filesystem); + Log_Warning("VFS", "VFS_Mount - Unknown FS Type '%s'", Filesystem); return -1; } @@ -74,12 +80,20 @@ int VFS_Mount(char *Device, char *MountPoint, char *Filesystem, char *Options) free(mnt); return -2; } + + mnt->Identifier = giVFS_NextMountIdent++; + #if 0 + // Ensure identifiers don't repeat + // - Only a problem if there have been 4 billion mounts + while( giVFS_NextMountIdent == 0 || VFS_GetMountByIdent(giVFS_NextMountIdent) ) + giVFS_NextMountIdent ++; + #endif // Set root if(!gVFS_RootMount) gVFS_RootMount = mnt; // Add to mount list - LOCK( &glVFS_MountList ); + Mutex_Acquire( &glVFS_MountList ); { tVFS_Mount *tmp; mnt->Next = NULL; @@ -91,9 +105,9 @@ int VFS_Mount(char *Device, char *MountPoint, char *Filesystem, char *Options) gVFS_Mounts = mnt; } } - RELEASE( &glVFS_MountList ); + Mutex_Release( &glVFS_MountList ); - Log("VFS_Mount: Mounted '%s' to '%s' ('%s')", Device, MountPoint, Filesystem); + Log_Log("VFS", "Mounted '%s' to '%s' ('%s')", Device, MountPoint, Filesystem); VFS_UpdateMountFile(); @@ -101,10 +115,25 @@ int VFS_Mount(char *Device, char *MountPoint, char *Filesystem, char *Options) } /** - * \fn void VFS_UpdateMountFile() + * \brief Gets a mount point given the identifier + */ +tVFS_Mount *VFS_GetMountByIdent(Uint32 MountID) +{ + tVFS_Mount *mnt; + for(mnt = gVFS_Mounts; mnt; mnt = mnt->Next) + { + if(mnt->Identifier == MountID) + return mnt; + } + return NULL; +} + +/** * \brief Updates the mount file buffer + * + * Updates the ProcFS mounts file buffer to match the current mounts list. */ -void VFS_UpdateMountFile() +void VFS_UpdateMountFile(void) { int len = 0; char *buf;