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fscrypt: Delay bounce page pool allocation until needed

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Since fscrypt users can now indicated if fscrypt_encrypt_page() should
use a bounce page, we can delay the bounce page pool initialization util
it is really needed. That is until fscrypt_operations has no
FS_CFLG_OWN_PAGES flag set.

Signed-off-by: David Gstir <david@sigma-star.at>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
David Gstir
2016-12-06 23:53:57 +01:00
committed by Theodore Ts'o
parent bd7b829038
commit f32d7ac20a
4 changed files with 9 additions and 5 deletions
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include/linux/fscrypto.h
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@@ -168,7 +168,6 @@ static inline void fscrypt_set_d_op(struct dentry *dentry)
#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
/* crypto.c */
extern struct kmem_cache *fscrypt_info_cachep;
extern struct fscrypt_ctx *fscrypt_get_ctx(const struct inode *, gfp_t);
extern void fscrypt_release_ctx(struct fscrypt_ctx *);
extern struct page *fscrypt_encrypt_page(const struct inode *, struct page *,