FSVol_CacheAssign()

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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
fs_vol.c	Application	FS_CFG_CACHE_EN

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.