f2fs crypto: use slab caches
This patch integrates the below patch into f2fs.
"ext4 crypto: use slab caches
Use slab caches the ext4_crypto_ctx and ext4_crypt_info structures for
slighly better memory efficiency and debuggability."
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 20e7be6..59e2bc1 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2004,6 +2004,7 @@
int f2fs_get_policy(struct inode *, struct f2fs_encryption_policy *);
/* crypt.c */
+extern struct kmem_cache *f2fs_crypt_info_cachep;
extern struct workqueue_struct *f2fs_read_workqueue;
bool f2fs_valid_contents_enc_mode(uint32_t);
uint32_t f2fs_validate_encryption_key_size(uint32_t, uint32_t);