diff options
Diffstat (limited to 'firmware/include/disk_cache.h')
-rw-r--r-- | firmware/include/disk_cache.h | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/firmware/include/disk_cache.h b/firmware/include/disk_cache.h index 725b3778cc..79b2ccf2c6 100644 --- a/firmware/include/disk_cache.h +++ b/firmware/include/disk_cache.h | |||
@@ -21,29 +21,6 @@ | |||
21 | #ifndef DISK_CACHE_H | 21 | #ifndef DISK_CACHE_H |
22 | #define DISK_CACHE_H | 22 | #define DISK_CACHE_H |
23 | 23 | ||
24 | /* This needs enough for all file handles to have a buffer in the worst case | ||
25 | * plus at least one reserved exclusively for the cache client and a couple | ||
26 | * for other file system code. The buffers are put to use by the cache if not | ||
27 | * taken for another purpose (meaning nothing is wasted sitting fallow). | ||
28 | * | ||
29 | * One map per volume is maintained in order to avoid collisions between | ||
30 | * volumes that would slow cache probing. DC_MAP_NUM_ENTRIES is the number | ||
31 | * for each map per volume. The buffers themselves are shared. | ||
32 | */ | ||
33 | #if MEMORYSIZE < 8 | ||
34 | #define DC_NUM_ENTRIES 32 | ||
35 | #define DC_MAP_NUM_ENTRIES 128 | ||
36 | #elif MEMORYSIZE <= 32 | ||
37 | #define DC_NUM_ENTRIES 48 | ||
38 | #define DC_MAP_NUM_ENTRIES 128 | ||
39 | #else /* MEMORYSIZE > 32 */ | ||
40 | #define DC_NUM_ENTRIES 64 | ||
41 | #define DC_MAP_NUM_ENTRIES 256 | ||
42 | #endif /* MEMORYSIZE */ | ||
43 | |||
44 | /* this _could_ be larger than a sector if that would ever be useful */ | ||
45 | #define DC_CACHE_BUFSIZE SECTOR_SIZE | ||
46 | |||
47 | #include "mutex.h" | 24 | #include "mutex.h" |
48 | #include "mv.h" | 25 | #include "mv.h" |
49 | 26 | ||