FSVol_CacheAssign()
void FSVol_CacheAssign (CPU_CHAR *name_vol, FS_VOL_CACHE_API *p_cache_api, void *p_cache_data, CPU_INT32U size, CPU_INT08U pct_mgmt, CPU_INT08U pct_dir, FS_FLAGS mode, FS_ERR *p_err)
File | Called from | Code enabled by |
---|---|---|
| Application |
|
Assign cache to a volume.
Arguments
name_vol
Volume name.
p_cache_api
Pointer to: (a) cache API to use; OR (b) NULL, if default cache API should be used.
p_cache_data
Pointer to cache data.
size
Size, in bytes, of cache buffer.
pct_mgmt
Percent of cache buffer dedicated to management sectors.
pct_dir
Percent of cache buffer dedicated to directory sectors.
mode
Cache mode
FS_VOL_CACHE_MODE_WR_THROUGH
FS_VOL_CACHE_MODE_WR_BACK
FS_VOL_CACHE_MODE_RD
p_err
Pointer to variable that will receive return error code from this function:
FS_ERR_NONE
Cache created.
FS_ERR_NAME_NULL
‘name_vol
’ passed a NULL pointer.
FS_ERR_VOL_NOT_OPEN
Volume not open.
FS_ERR_NULL_PTR
‘p_cache_data
’ passed a NULL pointer.
FS_ERR_CACHE_INVALID_MODE
Mode specified invalid
FS_ERR_CACHE_INVALID_SEC_TYPE
Sector type sepecified invalid.
FS_ERR_CACHE_TOO_SMALL
Size specified too small for cache.
Returned Value
None.
Notes/Warnings
None.