<Now with Jens Axboe correct email address>
Hi
Add ability to do MMC erase and secure erase operations from userspace,
using the BLKDISCARD ioctl and a newly created BLKSECDISCARD ioctl.
Changes from V1
- use discard I/O requests instead of implementing BLKDISCARD in mmc_block
- do not validate erase size for MMC erases, instead round to erase size
- rename MMC max_erase to pref_erase and expose it through sysfs as
"preferred_erase_size"
Adrian Hunter (4):
block: Add BLKSECDISCARD
mmc: Add erase, secure erase, trim and secure trim operations
mmc_block: Add discard and secure discard support
omap_hsmmc: Add erase capability
block/compat_ioctl.c | 1 +
block/ioctl.c | 5 +
drivers/mmc/card/block.c | 125 +++++++++++++++-
drivers/mmc/card/queue.c | 16 ++-
drivers/mmc/core/core.c | 346 +++++++++++++++++++++++++++++++++++++++++
drivers/mmc/core/core.h | 2 +
drivers/mmc/core/mmc.c | 47 ++++++-
drivers/mmc/core/sd.c | 82 ++++++++++
drivers/mmc/core/sd_ops.c | 48 ++++++
drivers/mmc/core/sd_ops.h | 1 +
drivers/mmc/host/omap_hsmmc.c | 13 ++-
include/linux/fs.h | 1 +
include/linux/mmc/card.h | 19 +++
include/linux/mmc/core.h | 19 +++
include/linux/mmc/host.h | 1 +
include/linux/mmc/mmc.h | 24 ++-
include/linux/mmc/sd.h | 5 +
17 files changed, 742 insertions(+), 13 deletions(-)
Regards
Adrian
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