| author | Namjae Jeon <namjae.jeon@samsung.com> | |
| Tue, 16 Apr 2013 11:12:29 +0000 (16:42 +0530) | ||
| committer | Balaji T K <balajitk@ti.com> | |
| Tue, 16 Apr 2013 11:12:29 +0000 (16:42 +0530) | ||
| commit | ca30aa4e6c3d12e171f1eaa2a89c93cede9536b8 | |
| tree | 437c27d1e1e6261842f3733d9f359ad45e598751 | tree | snapshot (tar.xz tar.gz zip) |
| parent | 1ccfc404ff4d00c1ac82674d29589d626dedfbd1 | commit | diff |
mmc:fix max discard sectors limit
If multiple discard requests get merged, merged discard request's
size exceeds 4GB, there is possibility that merged discard request's
__data_len field may overflow.
Add BLK_DEF_MAX_DISCARD_SECTORS macro to limit max discard sectors
to be under 4G / 512 sectors.
This fixes mkfs.ext4 failure with mmc/sd partition size more than 4GBytes.
Reported-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Vivek Trivedi <t.vivek@samsung.com>
Tested-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
If multiple discard requests get merged, merged discard request's
size exceeds 4GB, there is possibility that merged discard request's
__data_len field may overflow.
Add BLK_DEF_MAX_DISCARD_SECTORS macro to limit max discard sectors
to be under 4G / 512 sectors.
This fixes mkfs.ext4 failure with mmc/sd partition size more than 4GBytes.
Reported-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Vivek Trivedi <t.vivek@samsung.com>
Tested-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
| block/blk-settings.c | diff | blob | history | |
| drivers/mmc/card/queue.c | diff | blob | history | |
| include/linux/blkdev.h | diff | blob | history |