hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I912AQ

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Reserve space for struct fscache_cache/fscache_cache_ops/fscache_volume/ fscache_cookie.

Signed-off-by: Zizhi Wo wozizhi@huawei.com --- include/linux/fscache-cache.h | 10 ++++++++++ include/linux/fscache.h | 11 +++++++++++ 2 files changed, 21 insertions(+)

diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h index a174cedf4d90..c16a22dbbb9b 100644 --- a/include/linux/fscache-cache.h +++ b/include/linux/fscache-cache.h @@ -43,6 +43,11 @@ struct fscache_cache { unsigned int debug_id; enum fscache_cache_state state; char *name; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) };

/* @@ -77,6 +82,11 @@ struct fscache_cache_ops {

/* Prepare to write to a live cache object */ void (*prepare_to_write)(struct fscache_cookie *cookie); + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) };

extern struct workqueue_struct *fscache_wq; diff --git a/include/linux/fscache.h b/include/linux/fscache.h index 8e312c8323a8..3afe007834d1 100644 --- a/include/linux/fscache.h +++ b/include/linux/fscache.h @@ -89,6 +89,12 @@ struct fscache_volume { #define FSCACHE_VOLUME_ACQUIRE_PENDING 3 /* Volume is waiting to complete acquisition */ #define FSCACHE_VOLUME_CREATING 4 /* Volume is being created on disk */ u8 coherency_len; /* Length of the coherency data */ + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + u8 coherency[]; /* Coherency data */ };

@@ -145,6 +151,11 @@ struct fscache_cookie { void *aux; /* Auxiliary data */ u8 inline_aux[8]; /* - If the aux data is short enough */ }; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) };

/*