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Merge head 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/shaggy/jfs-2.6

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This commit is contained in:
Linus Torvalds 2005-07-27 16:42:22 -07:00
commit 49302d0c42
4 changed files with 42 additions and 31 deletions
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46
fs/jfs/jfs_dmap.c
View File

@ -75,7 +75,7 @@ static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
int nblocks);
static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval);
static void dbBackSplit(dmtree_t * tp, int leafno);
static void dbJoin(dmtree_t * tp, int leafno, int newval);
static int dbJoin(dmtree_t * tp, int leafno, int newval);
static void dbAdjTree(dmtree_t * tp, int leafno, int newval);
static int dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc,
int level);
@ -98,8 +98,8 @@ static int dbExtend(struct inode *ip, s64 blkno, s64 nblocks, s64 addnblocks);
static int dbFindBits(u32 word, int l2nb);
static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno);
static int dbFindLeaf(dmtree_t * tp, int l2nb, int *leafidx);
static void dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
int nblocks);
static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
int nblocks);
static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
int nblocks);
static int dbMaxBud(u8 * cp);
@ -378,6 +378,7 @@ int dbFree(struct inode *ip, s64 blkno, s64 nblocks)
/* free the blocks. */
if ((rc = dbFreeDmap(bmp, dp, blkno, nb))) {
jfs_error(ip->i_sb, "dbFree: error in block map\n");
release_metapage(mp);
IREAD_UNLOCK(ipbmap);
return (rc);
@ -2020,7 +2021,7 @@ static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
int nblocks)
{
s8 oldroot;
int rc, word;
int rc = 0, word;
/* save the current value of the root (i.e. maximum free string)
* of the dmap tree.
@ -2028,11 +2029,11 @@ static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
oldroot = dp->tree.stree[ROOT];
/* free the specified (blocks) bits */
dbFreeBits(bmp, dp, blkno, nblocks);
rc = dbFreeBits(bmp, dp, blkno, nblocks);
/* if the root has not changed, done. */
if (dp->tree.stree[ROOT] == oldroot)
return (0);
/* if error or the root has not changed, done. */
if (rc || (dp->tree.stree[ROOT] == oldroot))
return (rc);
/* root changed. bubble the change up to the dmap control pages.
* if the adjustment of the upper level control pages fails,
@ -2221,15 +2222,16 @@ static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
* blkno - starting block number of the bits to be freed.
* nblocks - number of bits to be freed.
*
* RETURN VALUES: none
* RETURN VALUES: 0 for success
*
* serialization: IREAD_LOCK(ipbmap) or IWRITE_LOCK(ipbmap) held on entry/exit;
*/
static void dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
int nblocks)
{
int dbitno, word, rembits, nb, nwords, wbitno, nw, agno;
dmtree_t *tp = (dmtree_t *) & dp->tree;
int rc = 0;
int size;
/* determine the bit number and word within the dmap of the
@ -2278,8 +2280,10 @@ static void dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
/* update the leaf for this dmap word.
*/
dbJoin(tp, word,
dbMaxBud((u8 *) & dp->wmap[word]));
rc = dbJoin(tp, word,
dbMaxBud((u8 *) & dp->wmap[word]));
if (rc)
return rc;
word += 1;
} else {
@ -2310,7 +2314,9 @@ static void dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
/* update the leaf.
*/
dbJoin(tp, word, size);
rc = dbJoin(tp, word, size);
if (rc)
return rc;
/* get the number of dmap words handled.
*/
@ -2357,6 +2363,8 @@ static void dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
}
BMAP_UNLOCK(bmp);
return 0;
}
@ -2464,7 +2472,9 @@ dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level)
}
dbSplit((dmtree_t *) dcp, leafno, dcp->budmin, newval);
} else {
dbJoin((dmtree_t *) dcp, leafno, newval);
rc = dbJoin((dmtree_t *) dcp, leafno, newval);
if (rc)
return rc;
}
/* check if the root of the current dmap control page changed due
@ -2689,7 +2699,7 @@ static void dbBackSplit(dmtree_t * tp, int leafno)
*
* RETURN VALUES: none
*/
static void dbJoin(dmtree_t * tp, int leafno, int newval)
static int dbJoin(dmtree_t * tp, int leafno, int newval)
{
int budsz, buddy;
s8 *leaf;
@ -2729,7 +2739,9 @@ static void dbJoin(dmtree_t * tp, int leafno, int newval)
if (newval > leaf[buddy])
break;
assert(newval == leaf[buddy]);
/* It shouldn't be less */
if (newval < leaf[buddy])
return -EIO;
/* check which (leafno or buddy) is the left buddy.
* the left buddy gets to claim the blocks resulting
@ -2761,6 +2773,8 @@ static void dbJoin(dmtree_t * tp, int leafno, int newval)
/* update the leaf value.
*/
dbAdjTree(tp, leafno, newval);
return 0;
}

13
fs/jfs/jfs_dtree.c
View File

@ -381,9 +381,12 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
* It's time to move the inline table to an external
* page and begin to build the xtree
*/
if (DQUOT_ALLOC_BLOCK(ip, sbi->nbperpage) ||
dbAlloc(ip, 0, sbi->nbperpage, &xaddr))
goto clean_up; /* No space */
if (DQUOT_ALLOC_BLOCK(ip, sbi->nbperpage))
goto clean_up;
if (dbAlloc(ip, 0, sbi->nbperpage, &xaddr)) {
DQUOT_FREE_BLOCK(ip, sbi->nbperpage);
goto clean_up;
}
/*
* Save the table, we're going to overwrite it with the
@ -397,13 +400,15 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
xtInitRoot(tid, ip);
/*
* Allocate the first block & add it to the xtree
* Add the first block to the xtree
*/
if (xtInsert(tid, ip, 0, 0, sbi->nbperpage, &xaddr, 0)) {
/* This really shouldn't fail */
jfs_warn("add_index: xtInsert failed!");
memcpy(&jfs_ip->i_dirtable, temp_table,
sizeof (temp_table));
dbFree(ip, xaddr, sbi->nbperpage);
DQUOT_FREE_BLOCK(ip, sbi->nbperpage);
goto clean_up;
}
ip->i_size = PSIZE;

3
fs/jfs/jfs_logmgr.c
View File

@ -1030,7 +1030,8 @@ static int lmLogSync(struct jfs_log * log, int nosyncwait)
* starting until all current transactions are completed
* by setting syncbarrier flag.
*/
if (written > LOGSYNC_BARRIER(logsize) && logsize > 32 * LOGPSIZE) {
if (!test_bit(log_SYNCBARRIER, &log->flag) &&
(written > LOGSYNC_BARRIER(logsize)) && log->active) {
set_bit(log_SYNCBARRIER, &log->flag);
jfs_info("log barrier on: lsn=0x%x syncpt=0x%x", lsn,
log->syncpt);

11
fs/jfs/jfs_metapage.c
View File

@ -561,7 +561,6 @@ static int metapage_releasepage(struct page *page, int gfp_mask)
dump_mem("page", page, sizeof(struct page));
dump_stack();
}
WARN_ON(mp->lsn);
if (mp->lsn)
remove_from_logsync(mp);
remove_metapage(page, mp);
@ -641,7 +640,7 @@ struct metapage *__get_metapage(struct inode *inode, unsigned long lblock,
} else {
page = read_cache_page(mapping, page_index,
(filler_t *)mapping->a_ops->readpage, NULL);
if (IS_ERR(page)) {
if (IS_ERR(page) || !PageUptodate(page)) {
jfs_err("read_cache_page failed!");
return NULL;
}
@ -783,14 +782,6 @@ void release_metapage(struct metapage * mp)
if (test_bit(META_discard, &mp->flag) && !mp->count) {
clear_page_dirty(page);
ClearPageUptodate(page);
#ifdef _NOT_YET
if (page->mapping) {
/* Remove from page cache and page cache reference */
remove_from_page_cache(page);
page_cache_release(page);
metapage_releasepage(page, 0);
}
#endif
}
#else
/* Try to keep metapages from using up too much memory */