Hi
On Friday 21 of September 2012 02:19:00 Vikram Narayanan wrote:
On Fri, Sep 21, 2012 at 1:07 AM, Pavel Herrmann morpheus.ibis@gmail.com
wrote:
This core will register all block devices (disk, cards, partitons) and provide unfied access to them, instead of current method with device + partition offset
Signed-off-by: Pavel Herrmann morpheus.ibis@gmail.com
Makefile | 1 + drivers/blockdev/Makefile | 42 ++++++++++++++++ include/dm/blockdev.h | 121 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 164 insertions(+) create mode 100644 drivers/blockdev/Makefile create mode 100644 include/dm/blockdev.h
<snip>
+struct blockdev_ops {
lbaint_t (*read)(struct instance *inst, lbaint_t start,lbaint_t blkcnt, void *buffer);lbaint_t (*write)(struct instance *inst, lbaint_t start,lbaint_t blkcnt, void *buffer);lbaint_t (*erase)(struct instance *inst, lbaint_t start,lbaint_t blkcnt);lbaint_t is little "cryptic". Any better name suggestions?
lbaint_t is an unsigned 32bit or 64bit number, depending on state of CONFIG_LBA48.
It was chosen because some parts of current block code use it as well, but we can pretty much replace it with size_t (and assume CONFIG_LBA48 is always on)
Pavel Herrmann