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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
commit 2ac4455a10
1 changed files with 10 additions and 0 deletions
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10
include/linux/bio.h
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@ -9,6 +9,7 @@
#include <linux/mempool.h>
#include <linux/ioprio.h>
#include <linux/bio-crypt-ctx.h>
#include <linux/android_kabi.h>
#ifdef CONFIG_BLOCK
/* struct bio, bio_vec and BIO_* flags are defined in blk_types.h */
@ -320,6 +321,10 @@ 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[0];/* embedded bvec array */
};
@ -720,6 +725,11 @@ 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 {