/*
* 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 = AFS_MIN_FRAGSIZE; /*!< 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 = {
-#if defined(AFS_SGI_ENV) && !defined(__c99)
+#ifndef HAVE_STRUCT_LABEL_SUPPORT
osi_UFSOpen,
osi_UFSTruncate,
afs_osi_Read,
afs_osi_Write,
osi_UFSClose,
- afs_UFSRead,
+ afs_UFSReadUIO,
afs_UFSWrite,
afs_UFSGetDSlot,
afs_UFSGetVolSlot,
.fread = afs_osi_Read,
.fwrite = afs_osi_Write,
.close = osi_UFSClose,
- .vread = afs_UFSRead,
+ .vreadUIO = afs_UFSReadUIO,
.vwrite = afs_UFSWrite,
.GetDSlot = afs_UFSGetDSlot,
.GetVolSlot = afs_UFSGetVolSlot,
};
struct afs_cacheOps afs_MemCacheOps = {
-#if (defined(AFS_SGI_ENV) && !defined(__c99))
+#ifndef HAVE_STRUCT_LABEL_SUPPORT
afs_MemCacheOpen,
afs_MemCacheTruncate,
afs_MemReadBlk,
afs_MemWriteBlk,
afs_MemCacheClose,
- afs_MemRead,
+ afs_MemReadUIO,
afs_MemWrite,
afs_MemGetDSlot,
afs_MemGetVolSlot,
.fread = afs_MemReadBlk,
.fwrite = afs_MemWriteBlk,
.close = afs_MemCacheClose,
- .vread = afs_MemRead,
+ .vreadUIO = afs_MemReadUIO,
.vwrite = afs_MemWrite,
.GetDSlot = afs_MemGetDSlot,
.GetVolSlot = afs_MemGetVolSlot,
* 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)
*/
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.
}
} /* 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);
* 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, afs_ucred_t *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));
#endif
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));
*/
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);
hadd32(afs_indexCounter, 1);
ReleaseWriteLock(&afs_xdcache);
return tdc;
- }
+ }
ReleaseWriteLock(&afs_xdcache);
return NULL;
} /*afs_FindDCache */
/* 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, 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_size_t Position = 0;
afs_int32 size, tlen; /* size of segment to transfer */
struct afs_FetchOutput *tsmall = 0;
- register struct dcache *tdc;
- register struct osi_file *file;
- register struct afs_conn *tc;
+ struct dcache *tdc;
+ struct osi_file *file;
+ struct afs_conn *tc;
int downDCount = 0;
struct server *newCallback = NULL;
char setNewCallback;
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:
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");
}
ReleaseWriteLock(&afs_xdcache);
#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();
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)
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;
*/
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;
}
} else {
/* Add any other 'complex' inode types here ... */
-#if !defined(LINUX_USE_FH) && !defined(AFS_CACHE_VNODE_PATH)
+#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;
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);
+ 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_hyper_t *) afs_osi_Alloc(afiles * sizeof(afs_hyper_t));
+ 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_int32 *) afs_osi_Alloc(afiles * sizeof(afs_uint32));
+ afs_indexUnique = afs_osi_Alloc(afiles * sizeof(afs_uint32));
+ osi_Assert(afs_indexUnique != NULL);
memset(afs_indexUnique, 0, afiles * sizeof(afs_uint32));
- afs_indexFlags = (u_char *) afs_osi_Alloc(afiles * sizeof(u_char));
+ 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));
+ 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 */
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);
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)
{
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.
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) {
afs_warn("afs_MakeShadowDir: could not alloc data\n");
ret_code = ENOMEM;
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);
* \param alen The new length of the file
*
*/
-void
+void
afs_PopulateDCache(struct vcache *avc, afs_size_t apos, struct vrequest *areq)
{
struct dcache *tdc;
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