Commit e25172d2 authored by Linus Torvalds's avatar Linus Torvalds

Merge bk://ldm.bkbits.net/linux-2.5-core

into home.transmeta.com:/home/torvalds/v2.5/linux
parents 35061138 320df931
......@@ -65,6 +65,7 @@ struct nand_flash_dev {
* NAND Flash Manufacturer ID Codes
*/
#define NAND_MFR_AMD 0x01
#define NAND_MFR_NS 0x8f
#define NAND_MFR_TOSHIBA 0x98
#define NAND_MFR_SAMSUNG 0xec
......@@ -72,6 +73,8 @@ static inline char *nand_flash_manufacturer(int manuf_id) {
switch(manuf_id) {
case NAND_MFR_AMD:
return "AMD";
case NAND_MFR_NS:
return "NS";
case NAND_MFR_TOSHIBA:
return "Toshiba";
case NAND_MFR_SAMSUNG:
......@@ -84,10 +87,12 @@ static inline char *nand_flash_manufacturer(int manuf_id) {
/*
* It looks like it is unnecessary to attach manufacturer to the
* remaining data: SSFDC prescribes manufacturer-independent id codes.
*
* 256 MB NAND flash has a 5-byte ID with 2nd byte 0xaa, 0xba, 0xca or 0xda.
*/
static struct nand_flash_dev nand_flash_ids[] = {
/* NAND flash - these I verified */
/* NAND flash */
{ 0x6e, 20, 8, 4, 8, 2}, /* 1 MB */
{ 0xe8, 20, 8, 4, 8, 2}, /* 1 MB */
{ 0xec, 20, 8, 4, 8, 2}, /* 1 MB */
......@@ -101,12 +106,13 @@ static struct nand_flash_dev nand_flash_ids[] = {
{ 0x75, 25, 9, 5, 10, 2}, /* 32 MB */
{ 0x76, 26, 9, 5, 10, 3}, /* 64 MB */
{ 0x79, 27, 9, 5, 10, 3}, /* 128 MB */
/* There do also exist 96 MB (from Datafab) and 256 MB cards */
/* MASK ROM - from unknown source */
/* MASK ROM */
{ 0x5d, 21, 9, 4, 8, 2}, /* 2 MB */
{ 0xd5, 22, 9, 4, 9, 2}, /* 4 MB */
{ 0xd6, 23, 9, 4, 10, 2}, /* 8 MB */
{ 0x57, 24, 9, 4, 11, 2}, /* 16 MB */
{ 0x58, 25, 9, 4, 12, 2}, /* 32 MB */
{ 0,}
};
......
......@@ -674,28 +674,29 @@ int lmGroupCommit(struct jfs_log * log, struct tblock * tblk)
}
jfs_info("lmGroup Commit: tblk = 0x%p, gcrtc = %d", tblk, log->gcrtc);
if (tblk->xflag & COMMIT_LAZY) {
/*
* Lazy transactions can leave now
*/
if (tblk->xflag & COMMIT_LAZY)
tblk->flag |= tblkGC_LAZY;
LOGGC_UNLOCK(log);
return 0;
}
/*
* group commit pageout in progress
*/
if ((!(log->cflag & logGC_PAGEOUT)) && log->cqueue.head) {
if ((!(log->cflag & logGC_PAGEOUT)) && log->cqueue.head &&
(!(tblk->xflag & COMMIT_LAZY) || test_bit(log_FLUSH, &log->flag))) {
/*
* only transaction in the commit queue:
* No pageout in progress
*
* start one-transaction group commit as
* its group leader.
* start group commit as its group leader.
*/
log->cflag |= logGC_PAGEOUT;
lmGCwrite(log, 0);
}
if (tblk->xflag & COMMIT_LAZY) {
/*
* Lazy transactions can leave now
*/
LOGGC_UNLOCK(log);
return 0;
}
/* lmGCwrite gives up LOGGC_LOCK, check again */
if (tblk->flag & tblkGC_COMMITTED) {
......@@ -894,11 +895,8 @@ void lmPostGC(struct lbuf * bp)
* the first transaction entering group commit
* will elect herself as new group leader.
*/
else {
else
log->cflag &= ~logGC_PAGEOUT;
clear_bit(log_FLUSH, &log->flag);
WARN_ON(log->flush_tblk);
}
//LOGGC_UNLOCK(log);
spin_unlock_irqrestore(&log->gclock, flags);
......
......@@ -518,16 +518,17 @@ void txEnd(tid_t tid)
/*
* mark the tblock not active
*/
--log->active;
if (--log->active == 0) {
clear_bit(log_FLUSH, &log->flag);
/*
* synchronize with logsync barrier
*/
if (test_bit(log_SYNCBARRIER, &log->flag) && log->active == 0) {
if (test_bit(log_SYNCBARRIER, &log->flag)) {
/* forward log syncpt */
/* lmSync(log); */
jfs_info(" log barrier off: 0x%x", log->lsn);
jfs_info("log barrier off: 0x%x", log->lsn);
/* enable new transactions start */
clear_bit(log_SYNCBARRIER, &log->flag);
......@@ -535,6 +536,7 @@ void txEnd(tid_t tid)
/* wakeup all waitors for logsync barrier */
TXN_WAKEUP(&log->syncwait);
}
}
/*
* wakeup all waitors for a free tblock
......
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