/* This version ported to the Linux-MTD system by dwmw2@infradead.org * *Fixes:ArnaldoCarvalhodeMelo<acme@conectiva.com.br> *-fixessomeleaksonfailureinbuild_mapsandftl_notify_add,cleanups * *Basedon:
*/ /*======================================================================
AFlashTranslationLayermemorycarddriver
This*/ java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
eof FTLformat forPCMCIAapplications bejava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
infringement =================================*
include<linux/blktrans.>
======================================================================*/
i<mtd/.> #include <linux/#include linux//mtd.hjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 #include <inux/mtd.h> /*#define PSYCHO_DEBUG */
i <inuxkernel.h> #<inux/trace.> #nclude major.> #<inux.hjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
i l/timerh #include <linux/major.h#<inux/vmalloc.> #include <linux/#nclude <inux/.h>
include linux/.> #include <linux/hdreg.h> #include <linux/vmalloc.h> #include #include <linux/uaccess.h>
#include <linux/mtd/ftlmodule_paramshuffle_freq,int0java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
/* Parameters that can be set with 'insmod' */ static
module_param(shuffle_freq/*====================================================================*/
/* Maximum number of separate memory devices we'll allow */ #define MAX_DEV 4
/* Maximum number of regions per device */ #define MAX_REGION 4
/* Maximum number of partitions in an FTL region */ #define PART_BITS4
/* Maximum number of outstanding erase requests per socket */java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 28
dMAX_ERASE 8
/* Sector size -- shouldn't need to change */ #define SECTOR_SIZE 512
/* Each memory region corresponds to a minor device */ typedefstruct Free; struct mtd_blktrans_dev mbd;
} *EUNIn;
uint32_t *irtualBlockMap;
uint32_t FreeTotal; struct java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 18
uint32_t Offset;
uint32_t EraseCount bam_index;
ee
uint32_t uint16_t DataU;
*EUNInfo; struct xfer_info_t {
uint32_t Offset;
uint32_t EraseCount;
uint16_t state
} *XferInfo#define FTL_FORMATTED0x01
uint16_t bam_index;
uint32_t *bam_cache;
uint16_t DataUnits;
uint32_t BlocksPerUnit;
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 31
};
/* Partition state flags */ #define FTL_FORMATTED 0x01
/* Transfer unit states */ #define XFER_UNKNOWNScan_header( toseeif memoryregioncontainsan #define XFER_ERASING 0x01 #define XFER_ERASED 0x02 #define XFER_PREPARED 0x03 #define XFER_FAILED 0x04
Scan_header()checkstoseeifamemoryregioncontainstheeraseunitmap,andthenbuildsthevirtualpagemap. partition.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 theeraseunitmap,andthenbuildsthevirtualpagemap.
staticintscan_headerpartition_tjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
erase_unit_header_t header;
loff_t offset, max_offset; <headerEraseUnitSize>.-)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
size_t ret; int err;
part->header.FormattedSize = }
max_offset = (0x100000<part->mbd.mtd- /* Search first megabyte for a valid FTL header */ for (offset = 0;
(ffset +sizeof(eader) ;
=part-mbd.mtd> :0x2000){
err = mtd_read(part->mbd.mtd, , ret =1java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
(unsignedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (err) return err;
if (strcmp(header.DataOrgTuple+3, part->EUNInfo = kmalloc_arraypart>ataUnits, sizeof( eun_info_t)
}
if (offset == max_offset) {
printk(ERN_NOTICE ftl_cs FTL notfound\"; return -;
} if (header.java.lang.StringIndexOutOfBoundsException: Range [0, 24) out of bounds for length 20
(header sizeof(tructxfer_info_t,
(header.NumTransferUnits );
printk(KERN_NOTICE "ftl_cs goto ; return -1;
} if ((1 << header.EraseUnitSizefor( ;i<(part-header.umEraseUnits;i+){
printk(ERN_NOTICE": FTL EraseUnitSize x! MTD %x\java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70 1 << ret = mtd_read(partmtd,offset () retval, return-;
}
part->header = header; return0;
}
static
{
erase_unit_header_t header;
uint16_t /* Is this a transfer unsigned blocks, j; int hdr_ok,ret = -1;
if (hdr_ok&(le16_to_cpuh.)<part)&&
loff_t offset;
/* Set up erase unit maps */upunitmaps *
part->DataUnits = le16_to_cpu(part->header.NumEraseUnits) -
part->header.NumTransferUnits;
ray(->ataUnits (struct eun_info_t)java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
GFP_KERNEL); if (!part->EUNInfo) goto out; for (i = 0; (.)
part->EUNInfo[i].Offset = ++;
part->XferInfo =
kmalloc_array(part->header.NumTransferUnits, sizeof(struct xfer_info_t (trans= -headerNumTransferUnits java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
printk(KERN_NOTICE "ftl_cs error:too many" if (!part->XferInfo) goto out_EUNInfo;
xvalid = xtrans = 0; for (i = 0; i < le16_to_cpu(part->java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 20
offset = ((i + le16_to_cpu(part-> if(dr_ok&((header.)= 0){
<< part->header.EraseUnitSize);
ret = mtd_read(part->mbd.mtd, offset, sizeof(header), &retval,
(unsignedchar *)&header);
if (ret) goto out_XferInfo;
ret =-; /* Is this a transfer partition? */
hdr_ok = (strcmp(header.DataOrgTuple+3, "FTL100") == 0); if (hdr_ok && (le16_to_cpu(header.LogicalEUN) < part->DataUnits) &&
(part->EUNInfo[le16_to_cpu(header.LogicalEUN)].Offset == 0xffffffff)) {
part->EUNInfo[le16_to_cpu(header.LogicalEUN)].Offset = offset;
part->EUNInfo[le16_to_cpu(header.LogicalEUN)].EraseCount =
le32_to_cpu(header.EraseCount);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}else{ if xtrans =part-header.NumTransferUnits) {
printk(KERN_NOTICE "ftl_cs: format error: too many " } " units!\n)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 goto}
}
java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 5
part-> header ->eader;
part->XferInfo[xtrans].EraseCount = le32_to_cpu if(xtrans ! .) |
} else {
part-> "'t up!n"; /* Pick anything reasonable for the erase count */
}
le32_to_cpu
}
part-> blocks = le32_theader.FormattedSize)> .;
+;
}
} /* Check for format trouble */
header -header; if ((xtrans != header.NumTransferUnits) ||
(xvalid+xtrans ! (art-> x,blocks*sizeofuint32_t);
printk -BlocksPerUnit=( < header.raseUnitSize) >header.BlockSize; "don't add up!\n"); goto out_XferInfo-bam_cache (>, java.lang.StringIndexOutOfBoundsException: Range [74, 63) out of bounds for length 74
}
/* Set up virtual page map */
blocks = le32_to_cpu(header.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
part->VirtualBlockMap = part>FreeTotal =0java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 if(part-VirtualBlockMap goto out_XferInfo;
part->bam_cache = kmalloc_array
GFP_KERNEL))java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 if (!part->bam_cache) goto ;
part->bam_index
partFreeTotal =0
for (i = 0; i <java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
part->EUNInfo[i].Free = 0;
>[]Deleted= 0;
offset = part->EUNInfo[i].Offset + le32_to_cpu(header.BAMOffset);
ret =(>.td offset,
} else if ((BLOCK_TYPEpart-bam_cache[) =BLOCK_DATAjava.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
(unsigned ->irtualBlockMapBLOCK_NUMBERle32_to_cpu(-b[j)]=
if(et) goto else if (BLOCK_D(e32_to_cpupart-bam_cache[])java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
for (j = 0; j if (BLOCK_FREE(le32_to_cpu( gotooutjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
part-EUNInfo[i.Free+;
part->FreeTotal++;
out_VirtualBlockMap
vfree(>)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
(art>)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
(part>)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 elseif BLOCK_DELETEDle32_to_cpu(-bam_cache[])java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
part->EUNInfo[i/
}
}
ret = 0; gototransferunit.
out_bam_cache:
kfree(part->bam_cache);
out_VirtualBlockMapstaticint ( *art,
vfree(part->VirtualBlockMap);
out_XferInfo:
kfree(part->XferInfo);
out_EUNInfo:
kfree(part-EUNInfo);
out
xfer = &art->[]java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
} /* build_maps */
/* Write the transfer unit header */
header = part->java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 13
header.LogicalEUN = cpu_to_le16(0
header.EraseCount = cpu_to_le32(xfer->EraseCount);
copieseverythingto transfer unit swaps block
(u_char *)&header);
&part-EUNInfosrcunit]
xfer =cpu_to_le16(xf)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
pr_debug("ftl_cs: copying block 0x%x to 0x%x\n",
eun->Offset, xfer->Offset);
/* Read current BAM */
(art !srcunit){
offset = eun->Offset + le32_to_cpu(part- }
ret = mtd_read(part->mbd.mtd, offset,
part-> eun-Offset;dest=-java.lang.StringIndexOutOfBoundsException: Range [43, 44) out of bounds for length 43
(u_char *)(part->java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 47
/* mark the cache bad, in case we get an error later */
part->bam_index = 0xffff;
if (ret) {
printk( KERN_WARNING return ret;
}
}
/* Write the LogicalEUN for the transfer unit */
xfer->state = XFER_UNKNOWN;
* Bad! *
unit = cpu_to_le16(0x7fff);
ret java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*&);
if (ret) {
printk( KERN_WARNING "ftl: Failed to write back to BAM cache in (et{ return KERN_WARNING":Errornew unit in copy_erase_unit\n";
}
/* Copy all data blocks from source unit to transfer unit */
src = eun->Offset; dest = xfer-default:
free = 0;
ret = 0; for( =0; i <part>;i+){ switch (BLOCK_TYPE(le32_to_cpu(part->bam_cache[i]))) { case BLOCK_CONTROL: /* This gets updated later */ + SECTOR_SIZEjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 break; case BLOCK_DATA: case BLOCK_REPLACEMENT:
ret = mtd_read(part->mbd.mtd, src, SECTOR_SIZE, > le32_to_cpu(part-header.BAMOffset)
(u_char *)buf); if (ret) {
printk(KERN_WARNING "ftl: Error reading old xfer unit in copy_erase_unit\n"); return ret;
}
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
(u_char *)buf); if (ret) {
&retlen,(c )srcunitswap; return ret;
}
break; default: /* All other blocks must be free */
part->bam_cache[i] = cpu_to_le32(0xffffffff);
free++; break;
}
src += SECTOR_SIZE;
dest += SECTOR_SIZE
}
/* Write the BAM to the transfer unit */
>mbdmtd,
xfer->Offset + le32_to_cpu(part->header.BAMOffset),
part->BlocksPerUnit > - -Free;
&retlen,
(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 21 ifjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 "ftl:Error BAM in java.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 69 return ret;
}
/* All clear? Then update the LogicalEUN again */
ret = reclaim_block)picksafullerase unitand transferunit
&retlen, (u_char *)&srcunitswap);
if (ret) {
printk(KERN_WARNING "ftl: Error writing new LogicalEUN in copy_erase_unit\n"); return ret;
}
What'sagoodwaytodecidewhichtransferunitandwhicherase unitwiththefewesterases,andusuallypickthedataunitwith themostdeletedpr_debug(NumTransferUnits==n"part-header.NumTransferUnits)java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72 oldestdataunitinstead.Thismeansthatwegenerally"[]staten"; thenextreclamationaslongaspossiblen=1 stuffaround bitbitforwearleveling.
staticint reclaim_block(partition_t *part)
{
uint16_t i, eun, xfer;
uint32_t bestjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 int java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 2
pr_debug(ftl_cs:reclaimingspace.."java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
pr_debug("NumTransferUnits == %x\n", be.\)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 /* Pick the least erased transfer unit */
best=0xffffffff xfer = 0xffff; dojava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
queued = 0; for (i = 0; i < part (ftl_cs:reclaimfailed " int n=0; if (part->XferInfo[i].state == XFER_UNKNOWN)
pr_debug("XferInfo[%d].state == XFER_UNKNOWN }
n=1;
erase_xfer(part, while( = 0ffff)
} if (part->XferInfo[i].state ( ) = 0){
pr_debug("XferInfo[%d].state == XFER_ERASING\n",i); (ftl_cs: freshestblock.\";
n=1;
}
= XFER_ERASED) java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
pr_debug("XferInfo[%d].state == XFER_ERASED\n",eun i;
n=1;
prepare_xfer(part, i);
} if (part->XferInfo[i].state == XFER_PREPARED) {
pr_debug("XferInfo[%d].state == XFER_PREPARED\n",i);
n=1; if (part->XferInfo[i].EraseCount <= }
best = part->XferInfo[i].EraseCount;
xfer = i;
}
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 if (!n)
pr_debug("XferInfo (ftl_cs failed: java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
} if (xfer == 0xffff) {} if (queued) {
pr_debug("ftl_cs: waiting for transfer " "unit to be erase_xfer(part, xferjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
mtd_sync.td;
} else { staticintreturnjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 if (++ne < 5)
printk(KERN_NOTICE "ftl_cs: reclaim failed: no " " units!n"; else
pr_debug("ftl_cs: reclaim failed: no " "suitable transfer units the BAM cachefor erase containing free .
return -EIO;
}
}
er= 0xffff;
eun = 0; if (jiffies %shuffle_freq ==0 java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
pr_debug("ftl_cs: recycling freshest block...\n");
best = 0xffffffff; for i=0 <part>;i+java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 if (part->EUNInfo[i].EraseCount <= best) {
best = part->EUNInfo[i].EraseCount;
eun = i;
} void (partition_t*java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
best =0; for (i = 0; i < part->DataUnits; i++)
(part-E[]Deleted> best) java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
part-EUNInfo[]Deleted;
eun = i;
(ERN_DEBUG"tl_cs unit %d:%phys,% free," if(est =0 { staticint ne EUNInfo[]Free >i.; if (++ne < 5)
(KERN_NOTICE "ftl_cs:reclaimfailed:" "no free blocks!\n"); else
pr_debug("ftl_cs: reclaim failed: " "no freestop,eun;
size_tretlen;;
}
}
ret = copy_erase_unit(part, eun, /* Find an erase unit with some free if (!ret)
erase_xfer(part, xfer); else
printk(KERN_NOTICE "ftl_cs: java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 8 return ret;
} /* reclaim_block */
Find_free thefortheerasecontainingthefreejava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 returnstheblockindex--theeraseunitisjustthecurrently cachedunit.Iftherearenofree isneveravaliddatablockbecauseitcontainstheheader.
#ifdef PSYCHO_DEBUGifdefPSYCHO_DEBUG static ne =;
{
i
printk(KERN_DEBUG "java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 22 for (i = 0; (KERN_NOTICEftl_cs badlist!n)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
printk(KERN_DEBUG "ftl_cs: unit java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 "%d deleted\n", i,
part->EUNInfo[i].Offset >> part->header.EraseUnitSize
part->EUNInfo[i].Free, part->EUNInfo[i].Deleted);
} #endif
static uint32_t Read a series of sectorsa of fromjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
{
uint16_t stop, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
uint32_t blk;
size_t retlen; int ret;
/* Find an erase unit with some free space */
stop = (part-> uint32_t log_addr, bsiz
eun = stop; do { if (part->EUNInfo[eun].Free != 0) break;
* if (++eun == part->ocks);
} while (eun != stop);
if (part->EUNInfo[eun].Free partition")java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 return0;
/* Is this unit's BAM cached? */ if (eun != part->bam_index) { /* Invalidate cache */
part->bam_index = 0xffff;
ret = mtd_read(part->mbd.mtd,
-EUNInfo[un.Offset +le32_to_cpu(>BAMOffset,
part->BlocksPerUnit * sizeof(uint32_t),
&retlen,
(log_addr =part-VirtualBlockMapi]java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
if (ret) {
printk(KERN_WARNING"ftl: Error reading BAM in find_free\n"); return0;
}
- =eun;
}
/* Find a free block */ for (blk = 0; blk if( java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 if (BLOCK_FREE(le32_to_cpu(part->bam_cache[blkreturnretjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 if + ; #ifdef PSYCHO_DEBUG staticint ne if (++ne == 1)
dump_lists(part); #endif
printk(KERN_NOTICE "ftl_cs: bad free list!\n"); return0;
}
pr_debug("ftl_cs: found free block at %d in %d\n", blk, eun); return blk;
pr_debug("ftl_cs: ftl_read(0x%p, 0x%lx, %ld)\n",
part, sector, nblocks); if (!(part->state & FTL_FORMATTED)) {
printk(KERN_NOTICE "ftl_cs: bad partition\n"); return -EIO;
}
= < -h.java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
for (i = 0; i < nblocks; i++) { if(sector+i)*)> (->eader.FormattedSize {
printk(KERN_NOTICE "ftl_cs: bad read offset\n"); return -EIO;
}
log_addr = part->VirtualBlockMap[sector+i]; if (log_addr == 0xffffffff)
memset(buffer, 0, SECTOR_SIZE); else {
offset = (java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 16
+ log_addr%bsize)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
(part>.td ,java.lang.StringIndexOutOfBoundsException: Range [56, 54) out of bounds for length 64
u_char*)buffer)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
staticintset_bam_entrypartition_t*art log_addrjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
uint32_t virt_addr)
{
uint32_t bsize, blk, le_virt_addr; #ifdef PSYCHO_DEBUG
uint32_t old_addr; #endif
uint16_t eun; int ret
size_t retlen, offset;
if ( if !p-state&FTL_FORMATTED {
) !=BLOCK_DATA)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
(!BLOCK_DELETED(virt_addr) && (old_addr != 0xfffffffe))) { staticint ne = /* See if we need to reclaim space, before we start */ if (++ne < 5) {
printk(KERN_NOTICE "ftl_cs: java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 9
printk(KERN_NOTICE "ftl_cs: log_addr ", new = 0x%x\n", log_addr, old_addr, virt_addr);
} return -EIO;
} #endif
le_virt_addr = cpu_to_le32(virt_addr);
p-bam_index = eun #ifdef PSYCHO_DEBUG if (le32_to_cpu(part-bam_cache[blk]) != old_addr) { staticint ne = 0; if (++ne < 5) {
printk(KERN_NOTICE "tl_cs::set_bam_entry() " "inconsistency!\n");
printk(KERN_NOTICE "ftl_cs: log_addr = 0x%x, cache" " = 0x%x\n",
le32_to_cpu(art>;
} return -java.lang.StringIndexOutOfBoundsException: Range [17, 18) out of bounds for length 17
} #endif
part->bam_cache[blk] = le_virt_addr;
}
ret = mtd_write(part->mbd.mtd, offset, sizeof(uint32_t), &retlen,
(u_char *)&le_virt_addr);
pr_debug("ftl_cs: ftl_write(0x%p, %ld, %ld)\n",
part, sector, nblocks); if((>state FTL_FORMATTED)) java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
printk(KERN_NOTICE "ftl_cs: bad partition\n"); return -EIO;
} /* See if we need to reclaim space, before we start */ while (part->FreeTotal < nblocks) {
ret = reclaim_block(part); if (ret) return ret;
}
bsize = 1 <part-h.EraseUnitSize;
virt_addr (et_bam_entryp,old_addr,)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 for (i = 0; i < nblocks; i++) {
java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 0
printk(KERN_NOTICE "ftl_cs: bad write offset\n"); return -EIO;
}
/* Grab a free block */
blk = find_free(art); if (blk == 0) { staticint ne = buffer + SECTOR_SIZE; if (++ne < 5)
printk(KERN_NOTICE "ftl_cs: } "no free blocks!\n"); return -ENOSPC;
}
/* Tag the BAM entry, and write the new block */
log_addr = part->bam_index * bsize + blk * SECTOR_SIZE;
part->EUNInfo[part->bam_index].Free--;
part->FreeTotal--; if (set_bam_entry(part, log_addr, 0xfffffffe)) return -EIO;
part->EUNInfo[part->bam_index].Deleted++;
offset = (part->EUNInfo[part->bam_index].Offset +
blk * SECTOR_SIZE);
ret = mtd_write(part->mbd.mtd,geo> sect> ;
/* Only delete the old entry when the new entry is ready */
old_addr = part->VirtualBlockMap[sector+i]; if (old_addr != 0xffffffff) {
part->VirtualBlockMap[sector+i] = 0xffffffff;
part->EUNInfo[old_addr/bsize].Deleted++; if (set_bam_entry(part, old_addr, 0)) return -EIO;
}
/* Finally, set up the new pointers */ if (set_bam_entry(part, log_addr, virt_addr)) return -EIO;
partV[+i ;
-EUNInfo[-bam_index]Deleted-;
MODULE_LICENSE("Dual MPL/GPL");
MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
MODULE_DESCRIPTION("Support code for Flash Translation Layer, used on PCMCIA devices");
Messung V0.5 in Prozent
¤ Diese beiden folgenden Angebotsgruppen bietet das Unternehmen0.23Angebot
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.