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File

Called from

Code enabled by

fs_dev_nor.c

Application

N/A

Low-level defragment a NOR device.

Arguments

name_dev

Device name (see Note).

p_err

Pointer to variable that will the receive return error code from this function:

FS_ERR_NONE

Device low-level defragmented successfully.

FS_ERR_NAME_NULL

Argument name_dev passed a NULL pointer.

FS_ERR_DEV_INVALID

Argument name_dev specifies an invalid device

FS_ERR_DEV_NOT_OPEN

Device is not open.

FS_ERR_DEV_NOT_PRESENT

Device is not present.

FS_ERR_DEV_INVALID_LOW_FMT

Device needs to be low-level formatted.

FS_ERR_DEV_IO

Device I/O error.

FS_ERR_DEV_TIMEOUT

Device timeout.

Returned Value

None.

Notes/Warnings

The device must be a NOR device (e.g., “nor:0:”).

Defragmentation groups sectors containing high-level data into as few blocks as possible, in order of logical sector. A defragmented file system should have near-optimal access speeds in a read-only environment.

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