include/mtd/ubi-user.h

72  * Logical eraseblock erase
75  * To erase a logical eraseblock, the %UBI_IOCEBER ioctl command of the
77  * unmaps the requested logical eraseblock, makes sure the corresponding
80  * Atomic logical eraseblock change
83  * Atomic logical eraseblock change operation is called using the %UBI_IOCEBCH
89  * Logical eraseblock map
92  * To map a logical eraseblock to a physical eraseblock, the %UBI_IOCEBMAP
94  * expected to be passed. The ioctl maps the requested logical eraseblock to
95  * a physical eraseblock and returns.  Only non-mapped logical eraseblocks can
96  * be mapped. If the logical eraseblock specified in the request is already
99  * Logical eraseblock unmap
102  * To unmap a logical eraseblock to a physical eraseblock, the %UBI_IOCEBUNMAP
103  * ioctl command should be used. The ioctl unmaps the logical eraseblocks,
110  * Check if logical eraseblock is mapped
113  * To check if a logical eraseblock is mapped to a physical eraseblock, the
289  * The @alignment field specifies the required alignment of the volume logical
290  * eraseblock. This means, that the size of logical eraseblocks will be aligned
292  *	(UBI device logical eraseblock size) mod (@alignment) = 0.
294  * To put it differently, the logical eraseblock of this volume may be slightly
297  * available space of logical eraseblocks.
301  * an integer number of blocks in logical eraseblocks of this UBI volume. With
377  * @lnum: logical eraseblock number to change
378  * @bytes: how many bytes will be written to the logical eraseblock
401  * @lnum: logical eraseblock number to unmap