search for: virtio_blk_identify_deprecated

...CI, lguest and s390 can all only support 256-byte configuration space. So, this giant field broke just about everyone. Unfortunately, removing it is not so simple: we don't want to break old userspace, but we're going to want to re-use that part of the struct. So, modern users can #define VIRTIO_BLK_IDENTIFY_DEPRECATED to indicate that they know it's no longer in the config struct, and can use any new features (all new features which add a configuration field will conflict with this deprecated one). Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> --- drivers/block/virtio_blk.c | 20 +++++++++...

...CI, lguest and s390 can all only support 256-byte configuration space. So, this giant field broke just about everyone. Unfortunately, removing it is not so simple: we don't want to break old userspace, but we're going to want to re-use that part of the struct. So, modern users can #define VIRTIO_BLK_IDENTIFY_DEPRECATED to indicate that they know it's no longer in the config struct, and can use any new features (all new features which add a configuration field will conflict with this deprecated one). Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> --- drivers/block/virtio_blk.c | 20 +++++++++...

...18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c --- a/Documentation/lguest/lguest.c +++ b/Documentation/lguest/lguest.c @@ -6,6 +6,7 @@ :*/ #define _LARGEFILE64_SOURCE #define _GNU_SOURCE +#define VIRTIO_BLK_IDENTIFY_DEPRECATED #include <stdio.h> #include <string.h> #include <unistd.h> @@ -1750,8 +1751,21 @@ static void setup_block_file(const char add_feature(dev, VIRTIO_BLK_F_SEG_MAX); conf.seg_max = cpu_to_le32(VIRTQUEUE_NUM - 2); - /* Don't try to put whole struct: we have 8 bit limit. *...

...18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c --- a/Documentation/lguest/lguest.c +++ b/Documentation/lguest/lguest.c @@ -6,6 +6,7 @@ :*/ #define _LARGEFILE64_SOURCE #define _GNU_SOURCE +#define VIRTIO_BLK_IDENTIFY_DEPRECATED #include <stdio.h> #include <string.h> #include <unistd.h> @@ -1750,8 +1751,21 @@ static void setup_block_file(const char add_feature(dev, VIRTIO_BLK_F_SEG_MAX); conf.seg_max = cpu_to_le32(VIRTQUEUE_NUM - 2); - /* Don't try to put whole struct: we have 8 bit limit. *...