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3 Commits

Author SHA1 Message Date
Damien George cfe1c5abf8 extmod/vfs: Rename BP_IOCTL_xxx constants to MP_BLOCKDEV_IOCTL_xxx. 
Also rename SEC_COUNT to BLOCK_COUNT and SEC_SIZE to BLOCK_SIZE.
 2019-10-29 14:17:29 +11:00
Damien George 98beea9ced extmod/vfs_blockdev: Add extended read/write methods. 
This commit adds helper functions to call readblocks/writeblocks with a
fourth argument, the byte offset within a block.

Although the mp_vfs_blockdev_t struct has grown here by 2 machine words, in
all current uses of this struct within this repository it still fits within
the same number of GC blocks.
 2019-10-29 12:55:34 +11:00
Damien George e1c7b1cb43 extmod/vfs_blockdev: Factor out block device interface code. 2019-10-29 12:55:17 +11:00