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ANDROID: GKI: bio: add Android ABI padding to some structures

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Try to mitigate potential future driver core api changes by adding a
padding to struct bio_integrity_payload and struct bio_set.

Based on a change made to the RHEL/CENTOS 8 kernel.

Bug: 151154716
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0397ede2e11560ad9422cd7765434fcd4f7a6dd8
This commit is contained in:
Greg Kroah-Hartman
2020-04-22 15:42:10 +02:00
committed by Todd Kjos
parent 99bf8cf8fa
commit b9081a2925
1 changed files with 10 additions and 0 deletions
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10
include/linux/bio.h
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@@ -10,6 +10,7 @@
#include <linux/ioprio.h>
/* struct bio, bio_vec and BIO_* flags are defined in blk_types.h */
#include <linux/blk_types.h>
#include <linux/android_kabi.h>
#define BIO_DEBUG
@@ -325,6 +326,10 @@ struct bio_integrity_payload {
struct work_struct bip_work; /* I/O completion */
struct bio_vec *bip_vec;
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
struct bio_vec bip_inline_vecs[];/* embedded bvec array */
};
@@ -698,6 +703,11 @@ struct bio_set {
struct bio_list rescue_list;
struct work_struct rescue_work;
struct workqueue_struct *rescue_workqueue;
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
ANDROID_KABI_RESERVE(3);
ANDROID_KABI_RESERVE(4);
};
struct biovec_slab {