JFS: Whitespace cleanup and remove some dead code
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c
index 25430d0..f2dc4b9 100644
--- a/fs/jfs/jfs_txnmgr.c
+++ b/fs/jfs/jfs_txnmgr.c
@@ -18,7 +18,7 @@
*/
/*
- * jfs_txnmgr.c: transaction manager
+ * jfs_txnmgr.c: transaction manager
*
* notes:
* transaction starts with txBegin() and ends with txCommit()
@@ -60,7 +60,7 @@
#include "jfs_debug.h"
/*
- * transaction management structures
+ * transaction management structures
*/
static struct {
int freetid; /* index of a free tid structure */
@@ -103,19 +103,19 @@
MODULE_PARM_DESC(nTxLock,
"Number of transaction locks (max:65536)");
-struct tblock *TxBlock; /* transaction block table */
-static int TxLockLWM; /* Low water mark for number of txLocks used */
-static int TxLockHWM; /* High water mark for number of txLocks used */
-static int TxLockVHWM; /* Very High water mark */
-struct tlock *TxLock; /* transaction lock table */
+struct tblock *TxBlock; /* transaction block table */
+static int TxLockLWM; /* Low water mark for number of txLocks used */
+static int TxLockHWM; /* High water mark for number of txLocks used */
+static int TxLockVHWM; /* Very High water mark */
+struct tlock *TxLock; /* transaction lock table */
/*
- * transaction management lock
+ * transaction management lock
*/
static DEFINE_SPINLOCK(jfsTxnLock);
-#define TXN_LOCK() spin_lock(&jfsTxnLock)
-#define TXN_UNLOCK() spin_unlock(&jfsTxnLock)
+#define TXN_LOCK() spin_lock(&jfsTxnLock)
+#define TXN_UNLOCK() spin_unlock(&jfsTxnLock)
#define LAZY_LOCK_INIT() spin_lock_init(&TxAnchor.LazyLock);
#define LAZY_LOCK(flags) spin_lock_irqsave(&TxAnchor.LazyLock, flags)
@@ -148,7 +148,7 @@
#define TXN_WAKEUP(event) wake_up_all(event)
/*
- * statistics
+ * statistics
*/
static struct {
tid_t maxtid; /* 4: biggest tid ever used */
@@ -181,8 +181,8 @@
static void LogSyncRelease(struct metapage * mp);
/*
- * transaction block/lock management
- * ---------------------------------
+ * transaction block/lock management
+ * ---------------------------------
*/
/*
@@ -227,9 +227,9 @@
}
/*
- * NAME: txInit()
+ * NAME: txInit()
*
- * FUNCTION: initialize transaction management structures
+ * FUNCTION: initialize transaction management structures
*
* RETURN:
*
@@ -333,9 +333,9 @@
}
/*
- * NAME: txExit()
+ * NAME: txExit()
*
- * FUNCTION: clean up when module is unloaded
+ * FUNCTION: clean up when module is unloaded
*/
void txExit(void)
{
@@ -346,12 +346,12 @@
}
/*
- * NAME: txBegin()
+ * NAME: txBegin()
*
- * FUNCTION: start a transaction.
+ * FUNCTION: start a transaction.
*
- * PARAMETER: sb - superblock
- * flag - force for nested tx;
+ * PARAMETER: sb - superblock
+ * flag - force for nested tx;
*
* RETURN: tid - transaction id
*
@@ -447,13 +447,13 @@
}
/*
- * NAME: txBeginAnon()
+ * NAME: txBeginAnon()
*
- * FUNCTION: start an anonymous transaction.
+ * FUNCTION: start an anonymous transaction.
* Blocks if logsync or available tlocks are low to prevent
* anonymous tlocks from depleting supply.
*
- * PARAMETER: sb - superblock
+ * PARAMETER: sb - superblock
*
* RETURN: none
*/
@@ -489,11 +489,11 @@
}
/*
- * txEnd()
+ * txEnd()
*
* function: free specified transaction block.
*
- * logsync barrier processing:
+ * logsync barrier processing:
*
* serialization:
*/
@@ -577,13 +577,13 @@
}
/*
- * txLock()
+ * txLock()
*
* function: acquire a transaction lock on the specified <mp>
*
* parameter:
*
- * return: transaction lock id
+ * return: transaction lock id
*
* serialization:
*/
@@ -857,17 +857,17 @@
}
/*
- * NAME: txRelease()
+ * NAME: txRelease()
*
- * FUNCTION: Release buffers associated with transaction locks, but don't
+ * FUNCTION: Release buffers associated with transaction locks, but don't
* mark homeok yet. The allows other transactions to modify
* buffers, but won't let them go to disk until commit record
* actually gets written.
*
* PARAMETER:
- * tblk -
+ * tblk -
*
- * RETURN: Errors from subroutines.
+ * RETURN: Errors from subroutines.
*/
static void txRelease(struct tblock * tblk)
{
@@ -896,10 +896,10 @@
}
/*
- * NAME: txUnlock()
+ * NAME: txUnlock()
*
- * FUNCTION: Initiates pageout of pages modified by tid in journalled
- * objects and frees their lockwords.
+ * FUNCTION: Initiates pageout of pages modified by tid in journalled
+ * objects and frees their lockwords.
*/
static void txUnlock(struct tblock * tblk)
{
@@ -983,10 +983,10 @@
}
/*
- * txMaplock()
+ * txMaplock()
*
* function: allocate a transaction lock for freed page/entry;
- * for freed page, maplock is used as xtlock/dtlock type;
+ * for freed page, maplock is used as xtlock/dtlock type;
*/
struct tlock *txMaplock(tid_t tid, struct inode *ip, int type)
{
@@ -1057,7 +1057,7 @@
}
/*
- * txLinelock()
+ * txLinelock()
*
* function: allocate a transaction lock for log vector list
*/
@@ -1092,39 +1092,39 @@
}
/*
- * transaction commit management
- * -----------------------------
+ * transaction commit management
+ * -----------------------------
*/
/*
- * NAME: txCommit()
+ * NAME: txCommit()
*
- * FUNCTION: commit the changes to the objects specified in
- * clist. For journalled segments only the
- * changes of the caller are committed, ie by tid.
- * for non-journalled segments the data are flushed to
- * disk and then the change to the disk inode and indirect
- * blocks committed (so blocks newly allocated to the
- * segment will be made a part of the segment atomically).
+ * FUNCTION: commit the changes to the objects specified in
+ * clist. For journalled segments only the
+ * changes of the caller are committed, ie by tid.
+ * for non-journalled segments the data are flushed to
+ * disk and then the change to the disk inode and indirect
+ * blocks committed (so blocks newly allocated to the
+ * segment will be made a part of the segment atomically).
*
- * all of the segments specified in clist must be in
- * one file system. no more than 6 segments are needed
- * to handle all unix svcs.
+ * all of the segments specified in clist must be in
+ * one file system. no more than 6 segments are needed
+ * to handle all unix svcs.
*
- * if the i_nlink field (i.e. disk inode link count)
- * is zero, and the type of inode is a regular file or
- * directory, or symbolic link , the inode is truncated
- * to zero length. the truncation is committed but the
- * VM resources are unaffected until it is closed (see
- * iput and iclose).
+ * if the i_nlink field (i.e. disk inode link count)
+ * is zero, and the type of inode is a regular file or
+ * directory, or symbolic link , the inode is truncated
+ * to zero length. the truncation is committed but the
+ * VM resources are unaffected until it is closed (see
+ * iput and iclose).
*
* PARAMETER:
*
* RETURN:
*
* serialization:
- * on entry the inode lock on each segment is assumed
- * to be held.
+ * on entry the inode lock on each segment is assumed
+ * to be held.
*
* i/o error:
*/
@@ -1175,7 +1175,7 @@
if ((flag & (COMMIT_FORCE | COMMIT_SYNC)) == 0)
tblk->xflag |= COMMIT_LAZY;
/*
- * prepare non-journaled objects for commit
+ * prepare non-journaled objects for commit
*
* flush data pages of non-journaled file
* to prevent the file getting non-initialized disk blocks
@@ -1186,7 +1186,7 @@
cd.nip = nip;
/*
- * acquire transaction lock on (on-disk) inodes
+ * acquire transaction lock on (on-disk) inodes
*
* update on-disk inode from in-memory inode
* acquiring transaction locks for AFTER records
@@ -1262,7 +1262,7 @@
}
/*
- * write log records from transaction locks
+ * write log records from transaction locks
*
* txUpdateMap() resets XAD_NEW in XAD.
*/
@@ -1294,7 +1294,7 @@
!test_cflag(COMMIT_Nolink, tblk->u.ip)));
/*
- * write COMMIT log record
+ * write COMMIT log record
*/
lrd->type = cpu_to_le16(LOG_COMMIT);
lrd->length = 0;
@@ -1303,7 +1303,7 @@
lmGroupCommit(log, tblk);
/*
- * - transaction is now committed -
+ * - transaction is now committed -
*/
/*
@@ -1314,11 +1314,11 @@
txForce(tblk);
/*
- * update allocation map.
+ * update allocation map.
*
* update inode allocation map and inode:
* free pager lock on memory object of inode if any.
- * update block allocation map.
+ * update block allocation map.
*
* txUpdateMap() resets XAD_NEW in XAD.
*/
@@ -1326,7 +1326,7 @@
txUpdateMap(tblk);
/*
- * free transaction locks and pageout/free pages
+ * free transaction locks and pageout/free pages
*/
txRelease(tblk);
@@ -1335,7 +1335,7 @@
/*
- * reset in-memory object state
+ * reset in-memory object state
*/
for (k = 0; k < cd.nip; k++) {
ip = cd.iplist[k];
@@ -1358,11 +1358,11 @@
}
/*
- * NAME: txLog()
+ * NAME: txLog()
*
- * FUNCTION: Writes AFTER log records for all lines modified
- * by tid for segments specified by inodes in comdata.
- * Code assumes only WRITELOCKS are recorded in lockwords.
+ * FUNCTION: Writes AFTER log records for all lines modified
+ * by tid for segments specified by inodes in comdata.
+ * Code assumes only WRITELOCKS are recorded in lockwords.
*
* PARAMETERS:
*
@@ -1421,12 +1421,12 @@
}
/*
- * diLog()
+ * diLog()
*
- * function: log inode tlock and format maplock to update bmap;
+ * function: log inode tlock and format maplock to update bmap;
*/
static int diLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
- struct tlock * tlck, struct commit * cd)
+ struct tlock * tlck, struct commit * cd)
{
int rc = 0;
struct metapage *mp;
@@ -1442,7 +1442,7 @@
pxd = &lrd->log.redopage.pxd;
/*
- * inode after image
+ * inode after image
*/
if (tlck->type & tlckENTRY) {
/* log after-image for logredo(): */
@@ -1456,7 +1456,7 @@
tlck->flag |= tlckWRITEPAGE;
} else if (tlck->type & tlckFREE) {
/*
- * free inode extent
+ * free inode extent
*
* (pages of the freed inode extent have been invalidated and
* a maplock for free of the extent has been formatted at
@@ -1498,7 +1498,7 @@
jfs_err("diLog: UFO type tlck:0x%p", tlck);
#ifdef _JFS_WIP
/*
- * alloc/free external EA extent
+ * alloc/free external EA extent
*
* a maplock for txUpdateMap() to update bPWMAP for alloc/free
* of the extent has been formatted at txLock() time;
@@ -1534,9 +1534,9 @@
}
/*
- * dataLog()
+ * dataLog()
*
- * function: log data tlock
+ * function: log data tlock
*/
static int dataLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
struct tlock * tlck)
@@ -1580,9 +1580,9 @@
}
/*
- * dtLog()
+ * dtLog()
*
- * function: log dtree tlock and format maplock to update bmap;
+ * function: log dtree tlock and format maplock to update bmap;
*/
static void dtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
struct tlock * tlck)
@@ -1603,10 +1603,10 @@
lrd->log.redopage.type |= cpu_to_le16(LOG_BTROOT);
/*
- * page extension via relocation: entry insertion;
- * page extension in-place: entry insertion;
- * new right page from page split, reinitialized in-line
- * root from root page split: entry insertion;
+ * page extension via relocation: entry insertion;
+ * page extension in-place: entry insertion;
+ * new right page from page split, reinitialized in-line
+ * root from root page split: entry insertion;
*/
if (tlck->type & (tlckNEW | tlckEXTEND)) {
/* log after-image of the new page for logredo():
@@ -1641,8 +1641,8 @@
}
/*
- * entry insertion/deletion,
- * sibling page link update (old right page before split);
+ * entry insertion/deletion,
+ * sibling page link update (old right page before split);
*/
if (tlck->type & (tlckENTRY | tlckRELINK)) {
/* log after-image for logredo(): */
@@ -1658,11 +1658,11 @@
}
/*
- * page deletion: page has been invalidated
- * page relocation: source extent
+ * page deletion: page has been invalidated
+ * page relocation: source extent
*
- * a maplock for free of the page has been formatted
- * at txLock() time);
+ * a maplock for free of the page has been formatted
+ * at txLock() time);
*/
if (tlck->type & (tlckFREE | tlckRELOCATE)) {
/* log LOG_NOREDOPAGE of the deleted page for logredo()
@@ -1683,9 +1683,9 @@
}
/*
- * xtLog()
+ * xtLog()
*
- * function: log xtree tlock and format maplock to update bmap;
+ * function: log xtree tlock and format maplock to update bmap;
*/
static void xtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
struct tlock * tlck)
@@ -1725,8 +1725,8 @@
xadlock = (struct xdlistlock *) maplock;
/*
- * entry insertion/extension;
- * sibling page link update (old right page before split);
+ * entry insertion/extension;
+ * sibling page link update (old right page before split);
*/
if (tlck->type & (tlckNEW | tlckGROW | tlckRELINK)) {
/* log after-image for logredo():
@@ -1801,7 +1801,7 @@
}
/*
- * page deletion: file deletion/truncation (ref. xtTruncate())
+ * page deletion: file deletion/truncation (ref. xtTruncate())
*
* (page will be invalidated after log is written and bmap
* is updated from the page);
@@ -1908,13 +1908,13 @@
}
/*
- * page/entry truncation: file truncation (ref. xtTruncate())
+ * page/entry truncation: file truncation (ref. xtTruncate())
*
- * |----------+------+------+---------------|
- * | | |
- * | | hwm - hwm before truncation
- * | next - truncation point
- * lwm - lwm before truncation
+ * |----------+------+------+---------------|
+ * | | |
+ * | | hwm - hwm before truncation
+ * | next - truncation point
+ * lwm - lwm before truncation
* header ?
*/
if (tlck->type & tlckTRUNCATE) {
@@ -1937,7 +1937,7 @@
twm = xtlck->twm.offset;
/*
- * write log records
+ * write log records
*/
/* log after-image for logredo():
*
@@ -1997,7 +1997,7 @@
}
/*
- * format maplock(s) for txUpdateMap() to update bmap
+ * format maplock(s) for txUpdateMap() to update bmap
*/
maplock->index = 0;
@@ -2069,9 +2069,9 @@
}
/*
- * mapLog()
+ * mapLog()
*
- * function: log from maplock of freed data extents;
+ * function: log from maplock of freed data extents;
*/
static void mapLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
struct tlock * tlck)
@@ -2081,7 +2081,7 @@
pxd_t *pxd;
/*
- * page relocation: free the source page extent
+ * page relocation: free the source page extent
*
* a maplock for txUpdateMap() for free of the page
* has been formatted at txLock() time saving the src
@@ -2155,10 +2155,10 @@
}
/*
- * txEA()
+ * txEA()
*
- * function: acquire maplock for EA/ACL extents or
- * set COMMIT_INLINE flag;
+ * function: acquire maplock for EA/ACL extents or
+ * set COMMIT_INLINE flag;
*/
void txEA(tid_t tid, struct inode *ip, dxd_t * oldea, dxd_t * newea)
{
@@ -2207,10 +2207,10 @@
}
/*
- * txForce()
+ * txForce()
*
* function: synchronously write pages locked by transaction
- * after txLog() but before txUpdateMap();
+ * after txLog() but before txUpdateMap();
*/
static void txForce(struct tblock * tblk)
{
@@ -2273,10 +2273,10 @@
}
/*
- * txUpdateMap()
+ * txUpdateMap()
*
- * function: update persistent allocation map (and working map
- * if appropriate);
+ * function: update persistent allocation map (and working map
+ * if appropriate);
*
* parameter:
*/
@@ -2298,7 +2298,7 @@
/*
- * update block allocation map
+ * update block allocation map
*
* update allocation state in pmap (and wmap) and
* update lsn of the pmap page;
@@ -2382,7 +2382,7 @@
}
}
/*
- * update inode allocation map
+ * update inode allocation map
*
* update allocation state in pmap and
* update lsn of the pmap page;
@@ -2407,24 +2407,24 @@
}
/*
- * txAllocPMap()
+ * txAllocPMap()
*
* function: allocate from persistent map;
*
* parameter:
- * ipbmap -
- * malock -
- * xad list:
- * pxd:
+ * ipbmap -
+ * malock -
+ * xad list:
+ * pxd:
*
- * maptype -
- * allocate from persistent map;
- * free from persistent map;
- * (e.g., tmp file - free from working map at releae
- * of last reference);
- * free from persistent and working map;
+ * maptype -
+ * allocate from persistent map;
+ * free from persistent map;
+ * (e.g., tmp file - free from working map at releae
+ * of last reference);
+ * free from persistent and working map;
*
- * lsn - log sequence number;
+ * lsn - log sequence number;
*/
static void txAllocPMap(struct inode *ip, struct maplock * maplock,
struct tblock * tblk)
@@ -2478,9 +2478,9 @@
}
/*
- * txFreeMap()
+ * txFreeMap()
*
- * function: free from persistent and/or working map;
+ * function: free from persistent and/or working map;
*
* todo: optimization
*/
@@ -2579,9 +2579,9 @@
}
/*
- * txFreelock()
+ * txFreelock()
*
- * function: remove tlock from inode anonymous locklist
+ * function: remove tlock from inode anonymous locklist
*/
void txFreelock(struct inode *ip)
{
@@ -2619,7 +2619,7 @@
}
/*
- * txAbort()
+ * txAbort()
*
* function: abort tx before commit;
*
@@ -2679,7 +2679,7 @@
}
/*
- * txLazyCommit(void)
+ * txLazyCommit(void)
*
* All transactions except those changing ipimap (COMMIT_FORCE) are
* processed by this routine. This insures that the inode and block
@@ -2728,7 +2728,7 @@
}
/*
- * jfs_lazycommit(void)
+ * jfs_lazycommit(void)
*
* To be run as a kernel daemon. If lbmIODone is called in an interrupt
* context, or where blocking is not wanted, this routine will process
@@ -2913,7 +2913,7 @@
}
/*
- * jfs_sync(void)
+ * jfs_sync(void)
*
* To be run as a kernel daemon. This is awakened when tlocks run low.
* We write any inodes that have anonymous tlocks so they will become