X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.c;h=eafbaa996e57054305f4104fa6c8003a00d26f9d;hp=d72cd49d3150d23c58eaff423d835ff000e68cd6;hb=f67d10d7a5a6d1cc7d1cb6eaada2522873ce5e99;hpb=102ee9ef7f61177ab100570809d9dbde888e3904 diff --git a/yaffs_guts.c b/yaffs_guts.c index d72cd49..eafbaa9 100644 --- a/yaffs_guts.c +++ b/yaffs_guts.c @@ -13,7 +13,7 @@ */ const char *yaffs_guts_c_version = - "$Id: yaffs_guts.c,v 1.18 2005-08-16 02:28:04 charles Exp $"; + "$Id: yaffs_guts.c,v 1.20 2005-10-07 02:46:49 charles Exp $"; #include "yportenv.h" @@ -57,6 +57,8 @@ static void yaffs_HandleUpdateChunk(yaffs_Device * dev, int chunkInNAND, const yaffs_ExtendedTags * tags); /* Other local prototypes */ +static int yaffs_UnlinkObject( yaffs_Object *obj); + static int yaffs_WriteNewChunkWithTagsToNAND(yaffs_Device * dev, const __u8 * buffer, yaffs_ExtendedTags * tags, @@ -1729,10 +1731,10 @@ int yaffs_RenameObject(yaffs_Object * oldDir, const YCHAR * oldName, */ yaffs_ChangeObjectName(obj, newDir, newName, force, existingTarget->objectId); - yaffs_Unlink(newDir, newName); + yaffs_UnlinkObject(existingTarget); } - return yaffs_ChangeObjectName(obj, newDir, newName, force, 0); + return yaffs_ChangeObjectName(obj, newDir, newName, 1, 0); } return YAFFS_FAIL; } @@ -1745,6 +1747,12 @@ static int yaffs_InitialiseBlocks(yaffs_Device * dev, int nBlocks) /* Todo we're assuming the malloc will pass. */ dev->blockInfo = YMALLOC(nBlocks * sizeof(yaffs_BlockInfo)); + if(!dev->blockInfo){ + dev->blockInfo = YMALLOC_ALT(nBlocks * sizeof(yaffs_BlockInfo)); + dev->blockInfoAlt = 1; + } + else + dev->blockInfoAlt = 0; /* Set up dynamic blockinfo stuff. */ dev->chunkBitmapStride = (dev->nChunksPerBlock + 7) / 8; @@ -1761,7 +1769,12 @@ static int yaffs_InitialiseBlocks(yaffs_Device * dev, int nBlocks) static void yaffs_DeinitialiseBlocks(yaffs_Device * dev) { - YFREE(dev->blockInfo); + if(dev->blockInfoAlt) + YFREE_ALT(dev->blockInfo); + else + YFREE(dev->blockInfo); + dev->blockInfoAlt = 0; + dev->blockInfo = NULL; YFREE(dev->chunkBits); dev->chunkBits = NULL; @@ -3771,11 +3784,9 @@ static int yaffs_UnlinkWorker(yaffs_Object * obj) } } -int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name) -{ - yaffs_Object *obj; - obj = yaffs_FindObjectByName(dir, name); +static int yaffs_UnlinkObject( yaffs_Object *obj) +{ if (obj && obj->unlinkAllowed) { return yaffs_UnlinkWorker(obj); @@ -3784,6 +3795,13 @@ int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name) return YAFFS_FAIL; } +int yaffs_Unlink(yaffs_Object * dir, const YCHAR * name) +{ + yaffs_Object *obj; + + obj = yaffs_FindObjectByName(dir, name); + return yaffs_UnlinkObject(obj); +} /*----------------------- Initialisation Scanning ---------------------- */ @@ -4910,6 +4928,18 @@ static int yaffs_ScanBackwards(yaffs_Device * dev) /*------------------------------ Directory Functions ----------------------------- */ +static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj) +{ + yaffs_Device *dev = obj->myDev; + + if(dev && dev->removeObjectCallback) + dev->removeObjectCallback(obj); + + list_del_init(&obj->siblings); + obj->parent = NULL; +} + + static void yaffs_AddObjectToDirectory(yaffs_Object * directory, yaffs_Object * obj) { @@ -4935,7 +4965,7 @@ static void yaffs_AddObjectToDirectory(yaffs_Object * directory, } else if (!list_empty(&obj->siblings)) { /* If it is holed up somewhere else, un hook it */ - list_del_init(&obj->siblings); + yaffs_RemoveObjectFromDirectory(obj); } /* Now add it */ list_add(&obj->siblings, &directory->variant.directoryVariant.children); @@ -4949,12 +4979,6 @@ static void yaffs_AddObjectToDirectory(yaffs_Object * directory, } } -static void yaffs_RemoveObjectFromDirectory(yaffs_Object * obj) -{ - list_del_init(&obj->siblings); - obj->parent = NULL; -} - yaffs_Object *yaffs_FindObjectByName(yaffs_Object * directory, const YCHAR * name) {