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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // The cache is stored on disk as a collection of block-files, plus an index | 5 // The cache is stored on disk as a collection of block-files, plus an index |
| 6 // file plus a collection of external files. | 6 // file plus a collection of external files. |
| 7 // | 7 // |
| 8 // Any data blob bigger than kMaxBlockSize (net/addr.h) will be stored on a | 8 // Any data blob bigger than kMaxBlockSize (net/addr.h) will be stored on a |
| 9 // separate file named f_xxx where x is a hexadecimal number. Shorter data will | 9 // separate file named f_xxx where x is a hexadecimal number. Shorter data will |
| 10 // be stored as a series of blocks on a block-file. In any case, CacheAddr | 10 // be stored as a series of blocks on a block-file. In any case, CacheAddr |
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| 253 }; | 253 }; |
| 254 | 254 |
| 255 // The number of blocks stored by a child entry. | 255 // The number of blocks stored by a child entry. |
| 256 const int kNumSparseBits = 1024; | 256 const int kNumSparseBits = 1024; |
| 257 COMPILE_ASSERT(sizeof(SparseData) == sizeof(SparseHeader) + kNumSparseBits / 8, | 257 COMPILE_ASSERT(sizeof(SparseData) == sizeof(SparseHeader) + kNumSparseBits / 8, |
| 258 Invalid_SparseData_bitmap); | 258 Invalid_SparseData_bitmap); |
| 259 | 259 |
| 260 } // namespace disk_cache | 260 } // namespace disk_cache |
| 261 | 261 |
| 262 #endif // NET_DISK_CACHE_DISK_FORMAT_H_ | 262 #endif // NET_DISK_CACHE_DISK_FORMAT_H_ |
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Chromium Code Reviews
Issue 14991008:
Disk cache: Add base files for implementation of file format version 3. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/