/*
* Copyright 2000, International Business Machines Corporation and others.
*$All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
afs_int32 afs_cacheStats; /*!< Stat entries in cache */
afs_int32 afs_blocksUsed; /*!< Number of blocks in use */
afs_int32 afs_blocksDiscarded; /*!<Blocks freed but not truncated */
-afs_int32 afs_fsfragsize = 1023; /*!< Underlying Filesystem minimum unit
+afs_int32 afs_fsfragsize = AFS_MIN_FRAGSIZE; /*!< Underlying Filesystem minimum unit
*of disk allocation usually 1K
*this value is (truefrag -1 ) to
*save a bunch of subtracts... */
int dcacheDisabled = 0;
struct afs_cacheOps afs_UfsCacheOps = {
+#ifndef HAVE_STRUCT_LABEL_SUPPORT
osi_UFSOpen,
osi_UFSTruncate,
afs_osi_Read,
afs_osi_Write,
osi_UFSClose,
- afs_UFSRead,
+ afs_UFSReadUIO,
afs_UFSWrite,
- afs_UFSCacheFetchProc,
- afs_CacheStoreProc,
afs_UFSGetDSlot,
afs_UFSGetVolSlot,
afs_UFSHandleLink,
+#else
+ .open = osi_UFSOpen,
+ .truncate = osi_UFSTruncate,
+ .fread = afs_osi_Read,
+ .fwrite = afs_osi_Write,
+ .close = osi_UFSClose,
+ .vreadUIO = afs_UFSReadUIO,
+ .vwrite = afs_UFSWrite,
+ .GetDSlot = afs_UFSGetDSlot,
+ .GetVolSlot = afs_UFSGetVolSlot,
+ .HandleLink = afs_UFSHandleLink,
+#endif
};
struct afs_cacheOps afs_MemCacheOps = {
+#ifndef HAVE_STRUCT_LABEL_SUPPORT
afs_MemCacheOpen,
afs_MemCacheTruncate,
afs_MemReadBlk,
afs_MemWriteBlk,
afs_MemCacheClose,
- afs_MemRead,
+ afs_MemReadUIO,
afs_MemWrite,
- afs_MemCacheFetchProc,
- afs_CacheStoreProc,
afs_MemGetDSlot,
afs_MemGetVolSlot,
afs_MemHandleLink,
+#else
+ .open = afs_MemCacheOpen,
+ .truncate = afs_MemCacheTruncate,
+ .fread = afs_MemReadBlk,
+ .fwrite = afs_MemWriteBlk,
+ .close = afs_MemCacheClose,
+ .vreadUIO = afs_MemReadUIO,
+ .vwrite = afs_MemWrite,
+ .GetDSlot = afs_MemGetDSlot,
+ .GetVolSlot = afs_MemGetVolSlot,
+ .HandleLink = afs_MemHandleLink,
+#endif
};
int cacheDiskType; /*Type of backing disk for cache */
* 2 : RO
*/
static afs_int32
-afs_DCGetBucket(struct vcache *avc)
+afs_DCGetBucket(struct vcache *avc)
{
- if (!splitdcache)
+ if (!splitdcache)
return 1;
-
+
/* This should be replaced with some sort of user configurable function */
if (avc->f.states & CRO) {
return 2;
* \param newSize The new size to be adjusted to.
*
*/
-static void
+static void
afs_DCAdjustSize(struct dcache *adc, afs_int32 oldSize, afs_int32 newSize)
{
afs_int32 adjustSize = newSize - oldSize;
- if (!splitdcache)
+ if (!splitdcache)
return;
- switch (adc->bucket)
+ switch (adc->bucket)
{
case 0:
afs_blocksUsed_0 += adjustSize;
/*!
* Move a dcache from one bucket to another.
- *
+ *
* \param adc Operate on this dcache.
* \param size Size in bucket (?).
* \param newBucket Destination bucket.
*
*/
-static void
+static void
afs_DCMoveBucket(struct dcache *adc, afs_int32 size, afs_int32 newBucket)
{
- if (!splitdcache)
+ if (!splitdcache)
return;
- /* Substract size from old bucket. */
- switch (adc->bucket)
+ /* Substract size from old bucket. */
+ switch (adc->bucket)
{
case 0:
afs_blocksUsed_0 -= size;
/* Set new bucket and increase destination bucket size. */
adc->bucket = newBucket;
- switch (adc->bucket)
+ switch (adc->bucket)
{
case 0:
afs_blocksUsed_0 += size;
afs_blocksUsed_2 += size;
break;
}
-
+
return;
}
/*!
* Init split caches size.
*/
-static void
-afs_DCSizeInit(void)
+static void
+afs_DCSizeInit(void)
{
afs_blocksUsed_0 = afs_blocksUsed_1 = afs_blocksUsed_2 = 0;
}
* \param bucket
*/
static afs_int32
-afs_DCWhichBucket(afs_int32 phase, afs_int32 bucket)
+afs_DCWhichBucket(afs_int32 phase, afs_int32 bucket)
{
- if (!splitdcache)
+ if (!splitdcache)
return 0;
afs_pct1 = afs_blocksUsed_1 / (afs_cacheBlocks / 100);
afs_pct2 = afs_blocksUsed_2 / (afs_cacheBlocks / 100);
/* Short cut: if we don't know about it, try to kill it */
- if (phase < 2 && afs_blocksUsed_0)
+ if (phase < 2 && afs_blocksUsed_0)
return 0;
-
- if (afs_pct1 > afs_tpct1)
+
+ if (afs_pct1 > afs_tpct1)
return 1;
if (afs_pct2 > afs_tpct2)
return 2;
*/
void
-afs_StoreWarn(register afs_int32 acode, afs_int32 avolume,
- register afs_int32 aflags)
+afs_StoreWarn(afs_int32 acode, afs_int32 avolume,
+ afs_int32 aflags)
{
static char problem_fmt[] =
"afs: failed to store file in volume %d (%s)\n";
/*!
* Keeps the cache clean and free by truncating uneeded files, when used.
- * \param
- * \return
+ * \param
+ * \return
*/
void
afs_CacheTruncateDaemon(void)
afs_TruncateDaemonRunning = 1;
while (1) {
cb_lowat = PERCENT((CM_DCACHESPACEFREEPCT - CM_DCACHEEXTRAPCT), afs_cacheBlocks);
- MObtainWriteLock(&afs_xdcache, 266);
+ ObtainWriteLock(&afs_xdcache, 266);
if (afs_CacheTooFull) {
int space_needed, slots_needed;
/* if we get woken up, we should try to clean something out */
if (!afs_CacheIsTooFull())
afs_CacheTooFull = 0;
} /* end of cache cleanup */
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
/*
* This is a defensive check to try to avoid starving threads
afs_stats_AddTo(CTD_stats.CTD_sleepTime, CTD_tmpTime);
}
if (afs_termState == AFSOP_STOP_TRUNCDAEMON) {
-#ifdef AFS_AFSDB_ENV
afs_termState = AFSOP_STOP_AFSDB;
-#else
- afs_termState = AFSOP_STOP_RXEVENT;
-#endif
afs_osi_Wakeup(&afs_termState);
break;
}
*/
void
-afs_AdjustSize(register struct dcache *adc, register afs_int32 newSize)
+afs_AdjustSize(struct dcache *adc, afs_int32 newSize)
{
- register afs_int32 oldSize;
+ afs_int32 oldSize;
AFS_STATCNT(afs_AdjustSize);
* 1. only grab up to anumber victims if aneedSpace <= 0, not
* the whole set of MAXATONCE.
* 2. dynamically choose MAXATONCE to reflect severity of
- * demand: something like (*aneedSpace >> (logChunk - 9))
+ * demand: something like (*aneedSpace >> (logChunk - 9))
*
* \note N.B. if we're called with aneedSpace <= 0 and anumber > 0, that
* indicates that the cache is not properly configured/tuned or
afs_int32 i, j;
afs_hyper_t vtime;
int skip, phase;
- register struct vcache *tvc;
+ struct vcache *tvc;
afs_uint32 victims[MAXATONCE];
struct dcache *victimDCs[MAXATONCE];
afs_hyper_t victimTimes[MAXATONCE]; /* youngest (largest LRU time) first */
afs_uint32 maxVictimPtr; /* where it is */
int discard;
int curbucket;
-#if defined(AFS_FBSD80_ENV) && !defined(UKERNEL)
- int vfslocked;
-#endif
-
-#if defined(AFS_FBSD80_ENV) && !defined(UKERNEL)
- vfslocked = VFS_LOCK_GIANT(afs_globalVFS);
-#endif
AFS_STATCNT(afs_GetDownD);
if (CheckLock(&afs_xdcache) != -1)
osi_Panic("getdownd nolock");
/* decrement anumber first for all dudes in free list */
- /* SHOULD always decrement anumber first, even if aneedSpace >0,
+ /* SHOULD always decrement anumber first, even if aneedSpace >0,
* because we should try to free space even if anumber <=0 */
if (!aneedSpace || *aneedSpace <= 0) {
anumber -= afs_freeDCCount;
if (anumber <= 0) {
-#if defined(AFS_FBSD80_ENV) && !defined(UKERNEL)
- VFS_UNLOCK_GIANT(vfslocked);
-#endif
return; /* enough already free */
}
}
/* rewrite so phases include a better eligiblity for gc test*/
/*
* The phase variable manages reclaims. Set to 0, the first pass,
- * we don't reclaim active entries, or other than target bucket.
+ * we don't reclaim active entries, or other than target bucket.
* Set to 1, we reclaim even active ones in target bucket.
* Set to 2, we reclaim any inactive one.
* Set to 3, we reclaim even active ones.
afs_size_t tchunkoffset = 0;
afid = &tdc->f.fid;
/* xdcache is lower than the xvcache lock */
- MReleaseWriteLock(&afs_xdcache);
- MObtainReadLock(&afs_xvcache);
+ ReleaseWriteLock(&afs_xdcache);
+ ObtainReadLock(&afs_xvcache);
tvc = afs_FindVCache(afid, 0, 0 /* no stats, no vlru */ );
- MReleaseReadLock(&afs_xvcache);
- MObtainWriteLock(&afs_xdcache, 527);
+ ReleaseReadLock(&afs_xvcache);
+ ObtainWriteLock(&afs_xdcache, 527);
skip = 0;
if (tdc->refCount > 1)
skip = 1;
if (!skip && (chunkFlags & IFAnyPages)) {
int code;
- MReleaseWriteLock(&afs_xdcache);
- MObtainWriteLock(&tvc->vlock, 543);
+ ReleaseWriteLock(&afs_xdcache);
+ ObtainWriteLock(&tvc->vlock, 543);
if (tvc->multiPage) {
skip = 1;
goto endmultipage;
tvc->vstates |= VPageCleaning;
/* block getting new pages */
tvc->activeV++;
- MReleaseWriteLock(&tvc->vlock);
+ ReleaseWriteLock(&tvc->vlock);
/* One last recheck */
- MObtainWriteLock(&afs_xdcache, 333);
+ ObtainWriteLock(&afs_xdcache, 333);
chunkFlags = afs_indexFlags[tdc->index];
if (tdc->refCount > 1 || (chunkFlags & IFDataMod)
|| (osi_Active(tvc) && (tvc->f.states & CDCLock)
&& (chunkFlags & IFAnyPages))) {
skip = 1;
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
goto endputpage;
}
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
code = osi_VM_GetDownD(tvc, tdc);
- MObtainWriteLock(&afs_xdcache, 269);
+ ObtainWriteLock(&afs_xdcache, 269);
/* we actually removed all pages, clean and dirty */
if (code == 0) {
afs_indexFlags[tdc->index] &=
~(IFDirtyPages | IFAnyPages);
} else
skip = 1;
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
endputpage:
- MObtainWriteLock(&tvc->vlock, 544);
+ ObtainWriteLock(&tvc->vlock, 544);
if (--tvc->activeV == 0
&& (tvc->vstates & VRevokeWait)) {
tvc->vstates &= ~VRevokeWait;
afs_osi_Wakeup((char *)&tvc->vstates);
}
endmultipage:
- MReleaseWriteLock(&tvc->vlock);
+ ReleaseWriteLock(&tvc->vlock);
} else
#endif /* AFS_SUN5_ENV */
{
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
}
afs_PutVCache(tvc); /*XXX was AFS_FAST_RELE?*/
- MObtainWriteLock(&afs_xdcache, 528);
+ ObtainWriteLock(&afs_xdcache, 528);
if (afs_indexFlags[tdc->index] &
(IFDataMod | IFDirtyPages | IFAnyPages))
skip = 1;
}
} /* big while loop */
-#if defined(AFS_FBSD80_ENV) && !defined(UKERNEL)
- VFS_UNLOCK_GIANT(vfslocked);
-#endif
-
return;
} /*afs_GetDownD */
* (in write mode).
*/
void
-afs_FlushDCache(register struct dcache *adc)
+afs_FlushDCache(struct dcache *adc)
{
AFS_STATCNT(afs_FlushDCache);
/*
* \note Environment: called with afs_xdcache lock write-locked.
*/
static void
-afs_FreeDCache(register struct dcache *adc)
+afs_FreeDCache(struct dcache *adc)
{
/* Thread on free list, update free list count and mark entry as
* freed in its indexFlags element. Also, ensure DCache entry gets
*/
static void
-afs_DiscardDCache(register struct dcache *adc)
+afs_DiscardDCache(struct dcache *adc)
{
- register afs_int32 size;
+ afs_int32 size;
AFS_STATCNT(afs_DiscardDCache);
static void
afs_FreeDiscardedDCache(void)
{
- register struct dcache *tdc;
- register struct osi_file *tfile;
- register afs_int32 size;
+ struct dcache *tdc;
+ struct osi_file *tfile;
+ afs_int32 size;
AFS_STATCNT(afs_FreeDiscardedDCache);
- MObtainWriteLock(&afs_xdcache, 510);
+ ObtainWriteLock(&afs_xdcache, 510);
if (!afs_blocksDiscarded) {
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
return;
}
afs_stats_cmperf.cacheBlocksDiscarded = afs_blocksDiscarded;
/* We can lock because we just took it off the free list */
ObtainWriteLock(&tdc->lock, 626);
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
/*
* Truncate the element to reclaim its space
/*
* Free the element we just truncated
*/
- MObtainWriteLock(&afs_xdcache, 511);
+ ObtainWriteLock(&afs_xdcache, 511);
afs_indexFlags[tdc->index] &= ~IFDiscarded;
afs_FreeDCache(tdc);
tdc->f.states &= ~(DRO|DBackup|DRW);
ReleaseWriteLock(&tdc->lock);
afs_PutDCache(tdc);
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
}
/*!
* Nothing interesting.
*/
int
-afs_PutDCache(register struct dcache *adc)
+afs_PutDCache(struct dcache *adc)
{
AFS_STATCNT(afs_PutDCache);
ObtainWriteLock(&adc->tlock, 276);
* Both pvnLock and lock are write held.
*/
void
-afs_TryToSmush(register struct vcache *avc, struct AFS_UCRED *acred, int sync)
+afs_TryToSmush(struct vcache *avc, afs_ucred_t *acred, int sync)
{
- register struct dcache *tdc;
- register int index;
- register int i;
+ struct dcache *tdc;
+ int index;
+ int i;
AFS_STATCNT(afs_TryToSmush);
afs_Trace2(afs_iclSetp, CM_TRACE_TRYTOSMUSH, ICL_TYPE_POINTER, avc,
ICL_TYPE_OFFSET, ICL_HANDLE_OFFSET(avc->f.m.Length));
* Get the hash chain containing all dce's for this fid
*/
i = DVHash(&avc->f.fid);
- MObtainWriteLock(&afs_xdcache, 277);
+ ObtainWriteLock(&afs_xdcache, 277);
for (index = afs_dvhashTbl[i]; index != NULLIDX; index = i) {
i = afs_dvnextTbl[index]; /* next pointer this hash table */
if (afs_indexUnique[index] == avc->f.fid.Fid.Unique) {
}
ReleaseWriteLock(&avc->vlock);
#endif
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
/*
- * It's treated like a callback so that when we do lookups we'll
+ * It's treated like a callback so that when we do lookups we'll
* invalidate the unique bit if any
* trytoSmush occured during the lookup call
*/
* Description
* Given the cached info for a file, return the number of chunks that
* are not available from the dcache.
- *
+ *
* Parameters:
* avc: Pointer to the (held) vcache entry to look in.
- *
+ *
* Returns:
* The number of chunks which are not currently cached.
- *
+ *
* Environment:
* The vcache entry is held upon entry.
*/
*/
if (avc->f.fid.Fid.Vnode & 1 || vType(avc) == VDIR)
totalChunks = 1;
-
+
/*
printf("Should have %d chunks for %u bytes\n",
totalChunks, (totalLength + 1));
*/
i = DVHash(&avc->f.fid);
- MObtainWriteLock(&afs_xdcache, 1001);
+ ObtainWriteLock(&afs_xdcache, 1001);
for (index = afs_dvhashTbl[i]; index != NULLIDX; index = i) {
i = afs_dvnextTbl[index];
if (afs_indexUnique[index] == avc->f.fid.Fid.Unique) {
afs_PutDCache(tdc);
}
}
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
/*printf("Missing %d chunks\n", totalChunks);*/
*/
struct dcache *
-afs_FindDCache(register struct vcache *avc, afs_size_t abyte)
+afs_FindDCache(struct vcache *avc, afs_size_t abyte)
{
afs_int32 chunk;
- register afs_int32 i, index;
- register struct dcache *tdc = NULL;
+ afs_int32 i, index;
+ struct dcache *tdc = NULL;
AFS_STATCNT(afs_FindDCache);
chunk = AFS_CHUNK(abyte);
* after write-locking the dcache.
*/
i = DCHash(&avc->f.fid, chunk);
- MObtainWriteLock(&afs_xdcache, 278);
+ ObtainWriteLock(&afs_xdcache, 278);
for (index = afs_dchashTbl[i]; index != NULLIDX;) {
if (afs_indexUnique[index] == avc->f.fid.Fid.Unique) {
tdc = afs_GetDSlot(index, NULL);
if (index != NULLIDX) {
hset(afs_indexTimes[tdc->index], afs_indexCounter);
hadd32(afs_indexCounter, 1);
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
return tdc;
- }
- MReleaseWriteLock(&afs_xdcache);
+ }
+ ReleaseWriteLock(&afs_xdcache);
return NULL;
} /*afs_FindDCache */
*
* \return The new dcache.
*/
-struct dcache *afs_AllocDCache(struct vcache *avc,
- afs_int32 chunk,
- afs_int32 lock,
- struct VenusFid *ashFid)
+struct dcache *
+afs_AllocDCache(struct vcache *avc, afs_int32 chunk, afs_int32 lock,
+ struct VenusFid *ashFid)
{
struct dcache *tdc = NULL;
afs_uint32 size = 0;
* The vcache entry pointed to by avc is unlocked upon entry.
*/
-struct tlocal1 {
- struct AFSVolSync tsync;
- struct AFSFetchStatus OutStatus;
- struct AFSCallBack CallBack;
-};
-
/*
* Update the vnode-to-dcache hint if we can get the vnode lock
* right away. Assumes dcache entry is at least read-locked.
/* avc - Write-locked unless aflags & 1 */
struct dcache *
-afs_GetDCache(register struct vcache *avc, afs_size_t abyte,
- register struct vrequest *areq, afs_size_t * aoffset,
+afs_GetDCache(struct vcache *avc, afs_size_t abyte,
+ struct vrequest *areq, afs_size_t * aoffset,
afs_size_t * alen, int aflags)
{
- register afs_int32 i, code, code1 = 0, shortcut;
+ afs_int32 i, code, shortcut;
#if defined(AFS_AIX32_ENV) || defined(AFS_SGI_ENV)
- register afs_int32 adjustsize = 0;
+ afs_int32 adjustsize = 0;
#endif
int setLocks;
afs_int32 index;
afs_int32 us;
afs_int32 chunk;
afs_size_t maxGoodLength; /* amount of good data at server */
- struct rx_call *tcall;
afs_size_t Position = 0;
-#ifdef AFS_64BIT_CLIENT
- afs_size_t tsize;
- afs_size_t lengthFound; /* as returned from server */
-#endif /* AFS_64BIT_CLIENT */
afs_int32 size, tlen; /* size of segment to transfer */
- struct tlocal1 *tsmall = 0;
- register struct dcache *tdc;
- register struct osi_file *file;
- register struct afs_conn *tc;
+ struct afs_FetchOutput *tsmall = 0;
+ struct dcache *tdc;
+ struct osi_file *file;
+ struct afs_conn *tc;
int downDCount = 0;
struct server *newCallback = NULL;
char setNewCallback;
int doReallyAdjustSize = 0;
int overWriteWholeChunk = 0;
- XSTATS_DECLS;
#ifndef AFS_NOSTATS
- struct afs_stats_xferData *xferP; /* Ptr to this op's xfer struct */
- osi_timeval_t xferStartTime, /*FS xfer start time */
- xferStopTime; /*FS xfer stop time */
- afs_size_t bytesToXfer; /* # bytes to xfer */
- afs_size_t bytesXferred; /* # bytes actually xferred */
struct afs_stats_AccessInfo *accP; /*Ptr to access record in stats */
int fromReplica; /*Are we reading from a replica? */
int numFetchLoops; /*# times around the fetch/analyze loop */
* entries from the free list, and thereby assuming them to be not
* referenced and not locked.
*/
- MObtainReadLock(&afs_xdcache);
+ ObtainReadLock(&afs_xdcache);
dcLocked = (0 == NBObtainSharedLock(&tdc->lock, 601));
if (dcLocked && (tdc->index != NULLIDX)
&& !FidCmp(&tdc->f.fid, &avc->f.fid) && chunk == tdc->f.chunk
&& !(afs_indexFlags[tdc->index] & (IFFree | IFDiscarded))) {
- /* got the right one. It might not be the right version, and it
+ /* got the right one. It might not be the right version, and it
* might be fetching, but it's the right dcache entry.
*/
/* All this code should be integrated better with what follows:
tdc->refCount++;
ReleaseWriteLock(&tdc->tlock);
- MReleaseReadLock(&afs_xdcache);
+ ReleaseReadLock(&afs_xdcache);
shortcut = 1;
if (hsame(tdc->f.versionNo, avc->f.m.DataVersion)
&& !(tdc->dflags & DFFetching)) {
afs_stats_cmperf.dcacheHits++;
- MObtainWriteLock(&afs_xdcache, 559);
+ ObtainWriteLock(&afs_xdcache, 559);
QRemove(&tdc->lruq);
QAdd(&afs_DLRU, &tdc->lruq);
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
/* Locks held:
* avc->lock(R) if setLocks && !slowPass
} else {
if (dcLocked)
ReleaseSharedLock(&tdc->lock);
- MReleaseReadLock(&afs_xdcache);
+ ReleaseReadLock(&afs_xdcache);
}
if (!shortcut)
/* check to make sure our space is fine */
afs_MaybeWakeupTruncateDaemon();
- MObtainWriteLock(&afs_xdcache, 280);
+ ObtainWriteLock(&afs_xdcache, 280);
us = NULLIDX;
for (index = afs_dchashTbl[i]; index != NULLIDX;) {
if (afs_indexUnique[index] == avc->f.fid.Fid.Unique) {
afs_dcnextTbl[index] = afs_dchashTbl[i];
afs_dchashTbl[i] = index;
}
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
ObtainSharedLock(&tdc->lock, 606);
break; /* leaving refCount high for caller */
}
break;
/* If we can't get space for 5 mins we give up and panic */
if (++downDCount > 300) {
-#if defined(AFS_CACHE_BYPASS)
- afs_warn("GetDCache calling osi_Panic: No space in five minutes.\n downDCount: %d\n aoffset: %d alen: %d\n", downDCount, aoffset, alen);
-#endif
osi_Panic("getdcache");
}
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
/*
* Locks held:
* avc->lock(R) if setLocks
tdc->dflags = DFEntryMod;
tdc->mflags = 0;
afs_MaybeWakeupTruncateDaemon();
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
ConvertWToSLock(&tdc->lock);
}
}
#endif /* AFS_SGI_ENV */
if (AFS_CHUNKTOBASE(chunk) + adjustsize >= avc->f.m.Length &&
#else /* defined(AFS_AIX32_ENV) || defined(AFS_SGI_ENV) */
-#if defined(AFS_SUN5_ENV) || defined(AFS_OSF_ENV)
+#if defined(AFS_SUN5_ENV)
if ((doAdjustSize || (AFS_CHUNKTOBASE(chunk) >= avc->f.m.Length)) &&
#else
if (AFS_CHUNKTOBASE(chunk) >= avc->f.m.Length &&
tdc->dflags);
}
tsmall =
- (struct tlocal1 *)osi_AllocLargeSpace(sizeof(struct tlocal1));
+ (struct afs_FetchOutput *)osi_AllocLargeSpace(sizeof(struct afs_FetchOutput));
setVcacheStatus = 0;
#ifndef AFS_NOSTATS
/*
tc = afs_Conn(&avc->f.fid, areq, SHARED_LOCK);
if (tc) {
-#ifdef AFS_64BIT_CLIENT
- afs_int32 length_hi;
-#endif
- afs_int32 length, bytes;
#ifndef AFS_NOSTATS
numFetchLoops++;
if (fromReplica)
#endif /* AFS_NOSTATS */
if (!setLocks || slowPass) {
- avc->callback = tc->srvr->server;
+ avc->callback = tc->parent->srvr->server;
} else {
- newCallback = tc->srvr->server;
+ newCallback = tc->parent->srvr->server;
setNewCallback = 1;
}
i = osi_Time();
- RX_AFS_GUNLOCK();
- tcall = rx_NewCall(tc->id);
- RX_AFS_GLOCK();
-
- XSTATS_START_TIME(AFS_STATS_FS_RPCIDX_FETCHDATA);
-#ifdef AFS_64BIT_CLIENT
- length_hi = code = 0;
- if (!afs_serverHasNo64Bit(tc)) {
- tsize = size;
- RX_AFS_GUNLOCK();
- code =
- StartRXAFS_FetchData64(tcall,
- (struct AFSFid *)&avc->f.fid.
- Fid, Position, tsize);
- if (code != 0) {
- RX_AFS_GLOCK();
- afs_Trace2(afs_iclSetp, CM_TRACE_FETCH64CODE,
- ICL_TYPE_POINTER, avc, ICL_TYPE_INT32,
- code);
- } else {
- bytes =
- rx_Read(tcall, (char *)&length_hi,
- sizeof(afs_int32));
- RX_AFS_GLOCK();
- if (bytes == sizeof(afs_int32)) {
- length_hi = ntohl(length_hi);
- } else {
- length_hi = 0;
- code = rx_Error(tcall);
- RX_AFS_GUNLOCK();
- code1 = rx_EndCall(tcall, code);
- RX_AFS_GLOCK();
- tcall = (struct rx_call *)0;
- }
- }
- }
- if (code == RXGEN_OPCODE || afs_serverHasNo64Bit(tc)) {
- if (Position > 0x7FFFFFFF) {
- code = EFBIG;
- } else {
- afs_int32 pos;
- pos = Position;
- RX_AFS_GUNLOCK();
- if (!tcall)
- tcall = rx_NewCall(tc->id);
- code =
- StartRXAFS_FetchData(tcall, (struct AFSFid *)
- &avc->f.fid.Fid, pos,
- size);
- RX_AFS_GLOCK();
- }
- afs_serverSetNo64Bit(tc);
- }
- if (code == 0) {
- RX_AFS_GUNLOCK();
- bytes =
- rx_Read(tcall, (char *)&length,
- sizeof(afs_int32));
- RX_AFS_GLOCK();
- if (bytes == sizeof(afs_int32)) {
- length = ntohl(length);
- } else {
- code = rx_Error(tcall);
- }
- }
- FillInt64(lengthFound, length_hi, length);
- afs_Trace3(afs_iclSetp, CM_TRACE_FETCH64LENG,
- ICL_TYPE_POINTER, avc, ICL_TYPE_INT32, code,
- ICL_TYPE_OFFSET,
- ICL_HANDLE_OFFSET(lengthFound));
-#else /* AFS_64BIT_CLIENT */
- RX_AFS_GUNLOCK();
- code =
- StartRXAFS_FetchData(tcall,
- (struct AFSFid *)&avc->f.fid.Fid,
- Position, size);
- RX_AFS_GLOCK();
- if (code == 0) {
- RX_AFS_GUNLOCK();
- bytes =
- rx_Read(tcall, (char *)&length,
- sizeof(afs_int32));
- RX_AFS_GLOCK();
- if (bytes == sizeof(afs_int32)) {
- length = ntohl(length);
- } else {
- code = rx_Error(tcall);
- }
- }
-#endif /* AFS_64BIT_CLIENT */
- if (code == 0) {
-
-#ifndef AFS_NOSTATS
- xferP =
- &(afs_stats_cmfullperf.rpc.
- fsXferTimes[AFS_STATS_FS_XFERIDX_FETCHDATA]);
- osi_GetuTime(&xferStartTime);
-
- code =
- afs_CacheFetchProc(tcall, file,
- (afs_size_t) Position, tdc,
- avc, &bytesToXfer,
- &bytesXferred, length);
-
- osi_GetuTime(&xferStopTime);
- (xferP->numXfers)++;
- if (!code) {
- (xferP->numSuccesses)++;
- afs_stats_XferSumBytes
- [AFS_STATS_FS_XFERIDX_FETCHDATA] +=
- bytesXferred;
- (xferP->sumBytes) +=
- (afs_stats_XferSumBytes
- [AFS_STATS_FS_XFERIDX_FETCHDATA] >> 10);
- afs_stats_XferSumBytes
- [AFS_STATS_FS_XFERIDX_FETCHDATA] &= 0x3FF;
- if (bytesXferred < xferP->minBytes)
- xferP->minBytes = bytesXferred;
- if (bytesXferred > xferP->maxBytes)
- xferP->maxBytes = bytesXferred;
-
- /*
- * Tally the size of the object. Note: we tally the actual size,
- * NOT the number of bytes that made it out over the wire.
- */
- if (bytesToXfer <= AFS_STATS_MAXBYTES_BUCKET0)
- (xferP->count[0])++;
- else if (bytesToXfer <=
- AFS_STATS_MAXBYTES_BUCKET1)
- (xferP->count[1])++;
- else if (bytesToXfer <=
- AFS_STATS_MAXBYTES_BUCKET2)
- (xferP->count[2])++;
- else if (bytesToXfer <=
- AFS_STATS_MAXBYTES_BUCKET3)
- (xferP->count[3])++;
- else if (bytesToXfer <=
- AFS_STATS_MAXBYTES_BUCKET4)
- (xferP->count[4])++;
- else if (bytesToXfer <=
- AFS_STATS_MAXBYTES_BUCKET5)
- (xferP->count[5])++;
- else if (bytesToXfer <=
- AFS_STATS_MAXBYTES_BUCKET6)
- (xferP->count[6])++;
- else if (bytesToXfer <=
- AFS_STATS_MAXBYTES_BUCKET7)
- (xferP->count[7])++;
- else
- (xferP->count[8])++;
-
- afs_stats_GetDiff(elapsedTime, xferStartTime,
- xferStopTime);
- afs_stats_AddTo((xferP->sumTime), elapsedTime);
- afs_stats_SquareAddTo((xferP->sqrTime),
- elapsedTime);
- if (afs_stats_TimeLessThan
- (elapsedTime, (xferP->minTime))) {
- afs_stats_TimeAssign((xferP->minTime),
- elapsedTime);
- }
- if (afs_stats_TimeGreaterThan
- (elapsedTime, (xferP->maxTime))) {
- afs_stats_TimeAssign((xferP->maxTime),
- elapsedTime);
- }
- }
-#else
- code =
- afs_CacheFetchProc(tcall, file, Position, tdc,
- avc, 0, 0, length);
-#endif /* AFS_NOSTATS */
- }
- if (code == 0) {
- RX_AFS_GUNLOCK();
- code =
- EndRXAFS_FetchData(tcall, &tsmall->OutStatus,
- &tsmall->CallBack,
- &tsmall->tsync);
- RX_AFS_GLOCK();
- }
- XSTATS_END_TIME;
- RX_AFS_GUNLOCK();
- if (tcall)
- code1 = rx_EndCall(tcall, code);
- RX_AFS_GLOCK();
- } else {
- code = -1;
- }
- if (!code && code1)
- code = code1;
+ code = afs_CacheFetchProc(tc, file, Position, tdc,
+ avc, size, tsmall);
+ } else
+ code = -1;
if (code == 0) {
- /* callback could have been broken (or expired) in a race here,
+ /* callback could have been broken (or expired) in a race here,
* but we return the data anyway. It's as good as we knew about
* when we started. */
- /*
- * validPos is updated by CacheFetchProc, and can only be
- * modifed under a dcache write lock, which we've blocked out
+ /*
+ * validPos is updated by CacheFetchProc, and can only be
+ * modifed under a dcache write lock, which we've blocked out
*/
size = tdc->validPos - Position; /* actual segment size */
if (size < 0)
/* Fix up LRU info */
if (tdc) {
- MObtainWriteLock(&afs_xdcache, 602);
+ ObtainWriteLock(&afs_xdcache, 602);
hset(afs_indexTimes[tdc->index], afs_indexCounter);
hadd32(afs_indexCounter, 1);
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
/* return the data */
if (vType(avc) == VDIR)
void
afs_WriteThroughDSlots(void)
{
- register struct dcache *tdc;
- register afs_int32 i, touchedit = 0;
+ struct dcache *tdc;
+ afs_int32 i, touchedit = 0;
struct afs_q DirtyQ, *tq;
* holding afs_xdcache. So we enter xdcache, get a reference
* for every dcache entry, and exit xdcache.
*/
- MObtainWriteLock(&afs_xdcache, 283);
+ ObtainWriteLock(&afs_xdcache, 283);
QInit(&DirtyQ);
for (i = 0; i < afs_cacheFiles; i++) {
tdc = afs_indexTable[i];
QAdd(&DirtyQ, &tdc->dirty);
}
}
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
/*
* Now, for each dcache entry we found, check if it's dirty.
/* Now that we have the write lock, double-check */
if (wrLock && (tdc->dflags & DFEntryMod)) {
tdc->dflags &= ~DFEntryMod;
- MObtainWriteLock(&afs_xdcache, 620);
+ ObtainWriteLock(&afs_xdcache, 620);
afs_WriteDCache(tdc, 1);
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
touchedit = 1;
}
if (wrLock)
afs_PutDCache(tdc);
}
- MObtainWriteLock(&afs_xdcache, 617);
+ ObtainWriteLock(&afs_xdcache, 617);
if (!touchedit && (cacheDiskType != AFS_FCACHE_TYPE_MEM)) {
/* Touch the file to make sure that the mtime on the file is kept
* up-to-date to avoid losing cached files on cold starts because
theader.firstCSize = AFS_FIRSTCSIZE;
theader.otherCSize = AFS_OTHERCSIZE;
theader.version = AFS_CI_VERSION;
+ theader.dataSize = sizeof(struct fcache);
afs_osi_Write(afs_cacheInodep, 0, &theader, sizeof(theader));
}
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
}
/*
*/
struct dcache *
-afs_MemGetDSlot(register afs_int32 aslot, register struct dcache *tmpdc)
+afs_MemGetDSlot(afs_int32 aslot, struct dcache *tmpdc)
{
- register struct dcache *tdc;
+ struct dcache *tdc;
int existing = 0;
AFS_STATCNT(afs_MemGetDSlot);
if (!afs_freeDSList) {
/* none free, making one is better than a panic */
afs_stats_cmperf.dcacheXAllocs++; /* count in case we have a leak */
- tdc = (struct dcache *)afs_osi_Alloc(sizeof(struct dcache));
+ tdc = afs_osi_Alloc(sizeof(struct dcache));
+ osi_Assert(tdc != NULL);
#ifdef KERNEL_HAVE_PIN
pin((char *)tdc, sizeof(struct dcache)); /* XXX */
#endif
* afs_xdcache lock write-locked.
*/
struct dcache *
-afs_UFSGetDSlot(register afs_int32 aslot, register struct dcache *tmpdc)
+afs_UFSGetDSlot(afs_int32 aslot, struct dcache *tmpdc)
{
- register afs_int32 code;
- register struct dcache *tdc;
+ afs_int32 code;
+ struct dcache *tdc;
int existing = 0;
int entryok;
if (!afs_freeDSList) {
/* none free, making one is better than a panic */
afs_stats_cmperf.dcacheXAllocs++; /* count in case we have a leak */
- tdc = (struct dcache *)afs_osi_Alloc(sizeof(struct dcache));
+ tdc = afs_osi_Alloc(sizeof(struct dcache));
+ osi_Assert(tdc != NULL);
#ifdef KERNEL_HAVE_PIN
pin((char *)tdc, sizeof(struct dcache)); /* XXX */
#endif
} else if (tdc->f.states & DBackup) {
afs_DCMoveBucket(tdc, 0, 1);
} else {
- afs_DCMoveBucket(tdc, 0, 1);
+ afs_DCMoveBucket(tdc, 0, 1);
}
- }
+ }
}
tdc->refCount = 1;
tdc->index = aslot;
*/
int
-afs_WriteDCache(register struct dcache *adc, int atime)
+afs_WriteDCache(struct dcache *adc, int atime)
{
- register afs_int32 code;
+ afs_int32 code;
if (cacheDiskType == AFS_FCACHE_TYPE_MEM)
return 0;
* Nothing interesting.
*/
int
-afs_wakeup(register struct vcache *avc)
+afs_wakeup(struct vcache *avc)
{
- register int i;
- register struct brequest *tb;
+ int i;
+ struct brequest *tb;
tb = afs_brs;
AFS_STATCNT(afs_wakeup);
for (i = 0; i < NBRS; i++, tb++) {
int
afs_InitCacheFile(char *afile, ino_t ainode)
{
- register afs_int32 code;
+ afs_int32 code;
afs_int32 index;
int fileIsBad;
struct osi_file *tfile;
struct osi_stat tstat;
- register struct dcache *tdc;
+ struct dcache *tdc;
AFS_STATCNT(afs_InitCacheFile);
index = afs_stats_cmperf.cacheNumEntries;
if (index >= afs_cacheFiles)
return EINVAL;
- MObtainWriteLock(&afs_xdcache, 282);
+ ObtainWriteLock(&afs_xdcache, 282);
tdc = afs_GetDSlot(index, NULL);
ReleaseReadLock(&tdc->tlock);
- MReleaseWriteLock(&afs_xdcache);
+ ReleaseWriteLock(&afs_xdcache);
ObtainWriteLock(&tdc->lock, 621);
- MObtainWriteLock(&afs_xdcache, 622);
+ ObtainWriteLock(&afs_xdcache, 622);
if (afile) {
code = afs_LookupInodeByPath(afile, &tdc->f.inode.ufs, NULL);
if (code) {
}
} else {
/* Add any other 'complex' inode types here ... */
-#if defined(UKERNEL) || !defined(LINUX_USE_FH)
+#if !defined(AFS_LINUX26_ENV) && !defined(AFS_CACHE_VNODE_PATH)
tdc->f.inode.ufs = ainode;
#else
osi_Panic("Can't init cache with inode numbers when complex inodes are "
* Initialize dcache related variables.
*
* \param afiles
- * \param ablocks
+ * \param ablocks
* \param aDentries
* \param achunk
* \param aflags
void
afs_dcacheInit(int afiles, int ablocks, int aDentries, int achunk, int aflags)
{
- register struct dcache *tdp;
+ struct dcache *tdp;
int i;
int code;
/* ablocks is reported in 1K blocks */
code = afs_InitMemCache(afiles, AFS_FIRSTCSIZE, aflags);
if (code != 0) {
- printf("afsd: memory cache too large for available memory.\n");
- printf("afsd: AFS files cannot be accessed.\n\n");
+ afs_warn("afsd: memory cache too large for available memory.\n");
+ afs_warn("afsd: AFS files cannot be accessed.\n\n");
dcacheDisabled = 1;
afiles = ablocks = 0;
} else
- printf("Memory cache: Allocating %d dcache entries...",
+ afs_warn("Memory cache: Allocating %d dcache entries...",
aDentries);
} else {
cacheDiskType = AFS_FCACHE_TYPE_UFS;
if (aDentries > 512)
afs_dhashsize = 2048;
/* initialize hash tables */
- afs_dvhashTbl =
- (afs_int32 *) afs_osi_Alloc(afs_dhashsize * sizeof(afs_int32));
- afs_dchashTbl =
- (afs_int32 *) afs_osi_Alloc(afs_dhashsize * sizeof(afs_int32));
+ afs_dvhashTbl = afs_osi_Alloc(afs_dhashsize * sizeof(afs_int32));
+ osi_Assert(afs_dvhashTbl != NULL);
+ afs_dchashTbl = afs_osi_Alloc(afs_dhashsize * sizeof(afs_int32));
+ osi_Assert(afs_dchashTbl != NULL);
for (i = 0; i < afs_dhashsize; i++) {
afs_dvhashTbl[i] = NULLIDX;
afs_dchashTbl[i] = NULLIDX;
}
- afs_dvnextTbl = (afs_int32 *) afs_osi_Alloc(afiles * sizeof(afs_int32));
- afs_dcnextTbl = (afs_int32 *) afs_osi_Alloc(afiles * sizeof(afs_int32));
+ afs_dvnextTbl = afs_osi_Alloc(afiles * sizeof(afs_int32));
+ osi_Assert(afs_dvnextTbl != NULL);
+ afs_dcnextTbl = afs_osi_Alloc(afiles * sizeof(afs_int32));
+ osi_Assert(afs_dcnextTbl != NULL);
for (i = 0; i < afiles; i++) {
afs_dvnextTbl[i] = NULLIDX;
afs_dcnextTbl[i] = NULLIDX;
}
/* Allocate and zero the pointer array to the dcache entries */
- afs_indexTable = (struct dcache **)
- afs_osi_Alloc(sizeof(struct dcache *) * afiles);
- memset((char *)afs_indexTable, 0, sizeof(struct dcache *) * afiles);
- afs_indexTimes =
- (afs_hyper_t *) afs_osi_Alloc(afiles * sizeof(afs_hyper_t));
- memset((char *)afs_indexTimes, 0, afiles * sizeof(afs_hyper_t));
- afs_indexUnique =
- (afs_int32 *) afs_osi_Alloc(afiles * sizeof(afs_uint32));
- memset((char *)afs_indexUnique, 0, afiles * sizeof(afs_uint32));
- afs_indexFlags = (u_char *) afs_osi_Alloc(afiles * sizeof(u_char));
- memset((char *)afs_indexFlags, 0, afiles * sizeof(char));
+ afs_indexTable = afs_osi_Alloc(sizeof(struct dcache *) * afiles);
+ osi_Assert(afs_indexTable != NULL);
+ memset(afs_indexTable, 0, sizeof(struct dcache *) * afiles);
+ afs_indexTimes = afs_osi_Alloc(afiles * sizeof(afs_hyper_t));
+ osi_Assert(afs_indexTimes != NULL);
+ memset(afs_indexTimes, 0, afiles * sizeof(afs_hyper_t));
+ afs_indexUnique = afs_osi_Alloc(afiles * sizeof(afs_uint32));
+ osi_Assert(afs_indexUnique != NULL);
+ memset(afs_indexUnique, 0, afiles * sizeof(afs_uint32));
+ afs_indexFlags = afs_osi_Alloc(afiles * sizeof(u_char));
+ osi_Assert(afs_indexFlags != NULL);
+ memset(afs_indexFlags, 0, afiles * sizeof(char));
/* Allocate and thread the struct dcache entries themselves */
tdp = afs_Initial_freeDSList =
- (struct dcache *)afs_osi_Alloc(aDentries * sizeof(struct dcache));
- memset((char *)tdp, 0, aDentries * sizeof(struct dcache));
+ afs_osi_Alloc(aDentries * sizeof(struct dcache));
+ osi_Assert(tdp != NULL);
+ memset(tdp, 0, aDentries * sizeof(struct dcache));
#ifdef KERNEL_HAVE_PIN
pin((char *)afs_indexTable, sizeof(struct dcache *) * afiles); /* XXX */
pin((char *)afs_indexTimes, sizeof(afs_hyper_t) * afiles); /* XXX */
afs_dcentries = aDentries;
afs_blocksUsed = 0;
- afs_stats_cmperf.cacheBucket0_Discarded =
- afs_stats_cmperf.cacheBucket1_Discarded =
+ afs_stats_cmperf.cacheBucket0_Discarded =
+ afs_stats_cmperf.cacheBucket1_Discarded =
afs_stats_cmperf.cacheBucket2_Discarded = 0;
afs_DCSizeInit();
QInit(&afs_DLRU);
{
int i;
+#ifdef AFS_CACHE_VNODE_PATH
+ if (cacheDiskType != AFS_FCACHE_TYPE_MEM) {
+ struct dcache *tdc;
+ for (i = 0; i < afs_cacheFiles; i++) {
+ tdc = afs_indexTable[i];
+ if (tdc) {
+ afs_osi_FreeStr(tdc->f.inode.ufs);
+ }
+ }
+ }
+#endif
+
afs_osi_Free(afs_dvnextTbl, afs_cacheFiles * sizeof(afs_int32));
afs_osi_Free(afs_dcnextTbl, afs_cacheFiles * sizeof(afs_int32));
afs_osi_Free(afs_indexTable, afs_cacheFiles * sizeof(struct dcache *));
afs_osi_Free(afs_dchashTbl, afs_dhashsize * sizeof(afs_int32));
afs_blocksUsed = afs_dcentries = 0;
- afs_stats_cmperf.cacheBucket0_Discarded =
- afs_stats_cmperf.cacheBucket1_Discarded =
+ afs_stats_cmperf.cacheBucket0_Discarded =
+ afs_stats_cmperf.cacheBucket1_Discarded =
afs_stats_cmperf.cacheBucket2_Discarded = 0;
hzero(afs_indexCounter);
/*!
* Get a dcache ready for writing, respecting the current cache size limits
*
- * len is required because afs_GetDCache with flag == 4 expects the length
- * field to be filled. It decides from this whether it's necessary to fetch
- * data into the chunk before writing or not (when the whole chunk is
+ * len is required because afs_GetDCache with flag == 4 expects the length
+ * field to be filled. It decides from this whether it's necessary to fetch
+ * data into the chunk before writing or not (when the whole chunk is
* overwritten!).
*
* \param avc The vcache to fetch a dcache for
* \param noLock
*
* \return If successful, a reference counted dcache with tdc->lock held. Lock
- * must be released and afs_PutDCache() called to free dcache.
+ * must be released and afs_PutDCache() called to free dcache.
* NULL on failure
*
- * \note avc->lock must be held on entry. Function may release and reobtain
+ * \note avc->lock must be held on entry. Function may release and reobtain
* avc->lock and GLOCK.
*/
struct dcache *
-afs_ObtainDCacheForWriting(struct vcache *avc, afs_size_t filePos,
+afs_ObtainDCacheForWriting(struct vcache *avc, afs_size_t filePos,
afs_size_t len, struct vrequest *areq,
- int noLock) {
+ int noLock)
+{
struct dcache *tdc = NULL;
afs_size_t offset;
return tdc;
}
-#if defined(AFS_DISCON_ENV)
-
/*!
* Make a shadow copy of a dir's dcache. It's used for disconnected
* operations like remove/create/rename to keep the original directory data.
* \note The vcache entry must be write locked.
* \note The dcache entry must be read locked.
*/
-int afs_MakeShadowDir(struct vcache *avc, struct dcache *adc)
+int
+afs_MakeShadowDir(struct vcache *avc, struct dcache *adc)
{
int i, code, ret_code = 0, written, trans_size;
struct dcache *new_dc = NULL;
new_dc->f.chunkBytes = adc->f.chunkBytes;
ReleaseReadLock(&adc->mflock);
-
+
/* Now add to the two hash chains */
i = DCHash(&shadow_fid, 0);
afs_dcnextTbl[new_dc->index] = afs_dchashTbl[i];
ReleaseWriteLock(&afs_xdcache);
/* Alloc a 4k block. */
- data = (char *) afs_osi_Alloc(4096);
+ data = afs_osi_Alloc(4096);
if (!data) {
- printf("afs_MakeShadowDir: could not alloc data\n");
+ afs_warn("afs_MakeShadowDir: could not alloc data\n");
ret_code = ENOMEM;
goto done;
}
ObtainWriteLock(&afs_xvcache, 763);
ObtainWriteLock(&afs_disconDirtyLock, 765);
QAdd(&afs_disconShadow, &avc->shadowq);
- osi_vnhold(avc, 0);
+ osi_Assert((afs_RefVCache(avc) == 0));
ReleaseWriteLock(&afs_disconDirtyLock);
ReleaseWriteLock(&afs_xvcache);
*
* \note avc must be write locked.
*/
-void afs_DeleteShadowDir(struct vcache *avc)
+void
+afs_DeleteShadowDir(struct vcache *avc)
{
struct dcache *tdc;
struct VenusFid shadow_fid;
* \param alen The new length of the file
*
*/
-void afs_PopulateDCache(struct vcache *avc, afs_size_t apos, struct vrequest *areq) {
+void
+afs_PopulateDCache(struct vcache *avc, afs_size_t apos, struct vrequest *areq)
+{
struct dcache *tdc;
afs_size_t len, offset;
afs_int32 start, end;
/* We're doing this to deal with the situation where we extend
- * by writing after lseek()ing past the end of the file . If that
- * extension skips chunks, then those chunks won't be created, and
- * GetDCache will assume that they have to be fetched from the server.
- * So, for each chunk between the current file position, and the new
+ * by writing after lseek()ing past the end of the file . If that
+ * extension skips chunks, then those chunks won't be created, and
+ * GetDCache will assume that they have to be fetched from the server.
+ * So, for each chunk between the current file position, and the new
* length we GetDCache for that chunk.
*/
- if (AFS_CHUNK(apos) == 0 || apos <= avc->f.m.Length)
+ if (AFS_CHUNK(apos) == 0 || apos <= avc->f.m.Length)
return;
if (avc->f.m.Length == 0)
start = 0;
- else
+ else
start = AFS_CHUNK(avc->f.m.Length)+1;
end = AFS_CHUNK(apos);
start++;
}
}
-
-#endif
git://git.openafs.org / openafs.git / blobdiff