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-rw-r--r--fs/f2fs/f2fs.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index e97b4d8c5efc..13a7cfe9b23f 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -53,6 +53,7 @@ enum {
FAULT_CHECKPOINT,
FAULT_DISCARD,
FAULT_WRITE_IO,
+ FAULT_SLAB_ALLOC,
FAULT_MAX,
};
@@ -2618,7 +2619,7 @@ static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name,
return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL);
}
-static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
+static inline void *f2fs_kmem_cache_alloc_nofail(struct kmem_cache *cachep,
gfp_t flags)
{
void *entry;
@@ -2629,6 +2630,20 @@ static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
return entry;
}
+static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
+ gfp_t flags, bool nofail, struct f2fs_sb_info *sbi)
+{
+ if (nofail)
+ return f2fs_kmem_cache_alloc_nofail(cachep, flags);
+
+ if (time_to_inject(sbi, FAULT_SLAB_ALLOC)) {
+ f2fs_show_injection_info(sbi, FAULT_SLAB_ALLOC);
+ return NULL;
+ }
+
+ return kmem_cache_alloc(cachep, flags);
+}
+
static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type)
{
if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||