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cc [ flag... ] file... -lstmf [ library... ] #include <libstmf.h> int stmfModifyLu(stmfGuid *luGuid, uint32_t prop, const char *propVal)
int stmfModifyLu(uint16_t dType, const char *fname, uint32_t prop, const char *propVal)
The guid of logical unit to modify.
The filename of logical unit to modify.
Type of logical unit. See stmfCreateLuResource(3STMF).
A property type value. See DESCRIPTION for valid values.
A property value.
The stmfModifyLu() and stmfModifyLuByFname() functions modify the properties of a logical unit device.
Valid properties for modify STMF_DISK: STMF_LU_PROP_ALIAS
Up to 255 characters representing a user defined name for the device. Default: Set to file name of backing store.
Numeric value with optional suffix (for example, 100G, 1T) to specify unit of size. Default: Size of device specified in the STMF_LU_PROP_DATA_FILENAME property value.
Write back cache disable. When specified as "true" or "false", specifies write back cache disable behavior. Default: Writeback cache setting of the backing store device specified by STMF_LU_PROP_DATA_FILENAME.
Write protect bit. When specified as "true" or "false", specifies whether the device behaves as a write protected device. Default: "false"
The following values are returned: STMF_STATUS_SUCCESS
The API call was successful.
Either prop or propVal is unrecognized.
The size of propVal is invalid.
The value of prop is unknown for this resource type.
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE ATTRIBUTE VALUE |
| Interface Stability Committed |
| MT-Level Safe |
libstmf(3LIB), stmfCreateLuResource(3STMF), attributes(5)