X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.h;h=4dc70a2af828e17b74f3d13f78fc4e0cc9baab8f;hp=d09a965329669988101b3a0bd093d6b40a0c2238;hb=eadf0b4ff9a673b3acff35430c6f9edc48c616a6;hpb=780469359d1051ab37ab281b0520137d73fee2e9 diff --git a/yaffs_guts.h b/yaffs_guts.h index d09a965..4dc70a2 100644 --- a/yaffs_guts.h +++ b/yaffs_guts.h @@ -16,8 +16,9 @@ #ifndef __YAFFS_GUTS_H__ #define __YAFFS_GUTS_H__ -#include "devextras.h" #include "yportenv.h" +#include "devextras.h" +#include "yaffs_list.h" #define YAFFS_OK 1 #define YAFFS_FAIL 0 @@ -52,7 +53,6 @@ #define YAFFS_MAX_CHUNK_ID 0x000FFFFF -#define YAFFS_UNUSED_OBJECT_ID 0x0003FFFF #define YAFFS_ALLOCATION_NOBJECTS 100 #define YAFFS_ALLOCATION_NTNODES 100 @@ -62,6 +62,7 @@ #define YAFFS_OBJECT_SPACE 0x40000 +#define YAFFS_MAX_OBJECT_ID (YAFFS_OBJECT_SPACE -1) #define YAFFS_CHECKPOINT_VERSION 4 @@ -350,12 +351,7 @@ typedef struct { /*--------------------------- Tnode -------------------------- */ union yaffs_Tnode_union { -#ifdef CONFIG_YAFFS_TNODE_LIST_DEBUG - union yaffs_Tnode_union *internal[YAFFS_NTNODES_INTERNAL + 1]; -#else union yaffs_Tnode_union *internal[YAFFS_NTNODES_INTERNAL]; -#endif -/* __u16 level0[YAFFS_NTNODES_LEVEL0]; */ }; @@ -422,6 +418,9 @@ struct yaffs_ObjectStruct { __u8 beingCreated:1; /* This object is still being created so skip some checks. */ __u8 isShadowed:1; /* This object is shadowed on the way to being renamed. */ + __u8 xattrKnown:1; /* We know if this has object has xattribs or not. */ + __u8 hasXattr:1; /* This object has xattribs. Valid if xattrKnown. */ + __u8 serial; /* serial number of chunk in NAND. Cached here */ __u16 sum; /* sum of the name to speed searching */ @@ -516,7 +515,7 @@ typedef struct { struct yaffs_DeviceParamStruct { - const char *name; + const YCHAR *name; /* * Entry parameters set up way early. Yaffs sets up the rest. @@ -598,7 +597,11 @@ struct yaffs_DeviceParamStruct { int disableSoftDelete; /* yaffs 1 only: Set to disable the use of softdeletion. */ int deferDirectoryUpdate; /* Set to defer directory updates */ - + +#ifdef CONFIG_YAFFS_AUTO_UNICODE + int autoUnicode; +#endif + int alwaysCheckErased; /* Force chunk erased check always on */ }; typedef struct yaffs_DeviceParamStruct yaffs_DeviceParam; @@ -608,7 +611,10 @@ struct yaffs_DeviceStruct { /* Context storage. Holds extra OS specific data for this device */ - void *context; + void *osContext; + void *driverContext; + + struct ylist_head devList; /* Runtime parameters. Set up by YAFFS. */ int nDataBytesPerChunk; @@ -688,6 +694,7 @@ struct yaffs_DeviceStruct { /* Garbage collection control */ __u32 *gcCleanupList; /* objects to delete at the end of a GC. */ + __u32 nCleanups; unsigned hasPendingPrioritisedGCs; /* We think this device might have pending prioritised gcs */ unsigned gcDisable; @@ -750,6 +757,7 @@ struct yaffs_DeviceStruct { __u32 allGCs; __u32 passiveGCs; __u32 oldestDirtyGCs; + __u32 nGCBlocks; __u32 backgroundGCs; __u32 nRetriedWrites; __u32 nRetiredBlocks; @@ -814,7 +822,7 @@ struct yaffs_ShadowFixerStruct { /* Structure for doing xattr modifications */ typedef struct { int set; /* If 0 then this is a deletion */ - const char *name; + const YCHAR *name; const void *data; int size; int flags; @@ -888,10 +896,10 @@ yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name, __u32 mode, __u32 uid, __u32 gid, __u32 rdev); -int yaffs_SetXAttribute(yaffs_Object *obj, const char *name, const void * value, int size, int flags); -int yaffs_GetXAttribute(yaffs_Object *obj, const char *name, void *value, int size); +int yaffs_SetXAttribute(yaffs_Object *obj, const YCHAR *name, const void * value, int size, int flags); +int yaffs_GetXAttribute(yaffs_Object *obj, const YCHAR *name, void *value, int size); int yaffs_ListXAttributes(yaffs_Object *obj, char *buffer, int size); -int yaffs_RemoveXAttribute(yaffs_Object *obj, const char *name); +int yaffs_RemoveXAttribute(yaffs_Object *obj, const YCHAR *name); /* Special directories */ yaffs_Object *yaffs_Root(yaffs_Device *dev); @@ -914,7 +922,6 @@ int yaffs_DumpObject(yaffs_Object *obj); void yaffs_GutsTest(yaffs_Device *dev); /* A few useful functions to be used within the core files*/ -void yaffs_InitialiseTags(yaffs_ExtendedTags *tags); void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn); int yaffs_CheckFF(__u8 *buffer, int nBytes); void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi); @@ -928,6 +935,7 @@ yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev, int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode, int chunkInNAND, int inScan); void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name); +void yaffs_SetObjectNameFromOH(yaffs_Object *obj, const yaffs_ObjectHeader *oh); void yaffs_AddObjectToDirectory(yaffs_Object *directory, yaffs_Object *obj); YCHAR *yaffs_CloneString(const YCHAR *str); @@ -944,11 +952,18 @@ yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev, yaffs_FileStructure *fStruct, __u32 chunkId, yaffs_Tnode *passedTn); -void yaffs_VerifyObjects(yaffs_Device *dev); -void yaffs_VerifyBlocks(yaffs_Device *dev); -void yaffs_VerifyFreeChunks(yaffs_Device *dev); + int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset, int nBytes, int writeThrough); void yaffs_ResizeDown( yaffs_Object *obj, loff_t newSize); void yaffs_SkipRestOfBlock(yaffs_Device *dev); + +int yaffs_CountFreeChunks(yaffs_Device *dev); + +yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev, + yaffs_FileStructure *fStruct, + __u32 chunkId); + +__u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos); + #endif