Lines Matching refs:entry

69 	    Panic("BufCache: Cannot allocate cache entry\n");
86  * Looks up a buffer cache entry that can be used by BufCache_Alloc or 
91  * @param [out] entry If successful, this contains the buffer cache entry.
97 BufCacheLookup(Disk *disk, uint64_t diskOffset, BufCacheEntry **entry)
110 	    *entry = e;
115     *entry = NULL;
122  * Allocates a buffer cache entry that can be used by BufCache_Alloc or 
127  * @param [out] entry If successful, this contains the buffer cache entry.
133 BufCacheAlloc(Disk *disk, uint64_t diskOffset, BufCacheEntry **entry)
160     *entry = e;
168  * Allocate a buffer cache entry to allow writing new data to disk.
172  * @param [out] entry If successful, this contains the buffer cache entry.
178 BufCache_Alloc(Disk *disk, uint64_t diskOffset, BufCacheEntry **entry)
184     status = BufCacheLookup(disk, diskOffset, entry);
185     if (*entry == NULL) {
186         status = BufCacheAlloc(disk, diskOffset, entry);
199  * Release a buffer cache entry.  If no other references are held the
200  * buffer cache entry is placed on the LRU list.
202  * @param [in] entry Buffer cache entry.
205 BufCache_Release(BufCacheEntry *entry)
209     entry->refCount--;
210     if (entry->refCount == 0) {
211         TAILQ_INSERT_TAIL(&lruList, entry, lruEntry);
224  * @param [out] entry If successful, this contains the buffer cache entry.
229 BufCache_Read(Disk *disk, uint64_t diskOffset, BufCacheEntry **entry)
236     status = BufCacheLookup(disk, diskOffset, entry);
237     if (*entry != NULL) {
244     status = BufCacheAlloc(disk, diskOffset, entry);
250     buf = (*entry)->buffer;
267  * Write a buffer cache entry to disk.
273 BufCache_Write(BufCacheEntry *entry)
275     void *buf = entry->buffer;
279     SGArray_Append(&sga, entry->diskOffset, BLOCKSIZE);
281     return Disk_Write(entry->disk, buf, &sga, NULL, NULL);