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authorJaegeuk Kim <jaegeuk@kernel.org>2016-04-12 01:51:57 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2016-04-12 20:25:30 +0300
commitb32e4482aadfd1322357f46d4ed8a990603664d9 (patch)
tree95c30af47e2b41c4eb2a870bd6e8ff010abb8d1b /include
parent33b1395124c63ed4a42e33c1dd14859f9b3f29c2 (diff)
downloadlinux-b32e4482aadfd1322357f46d4ed8a990603664d9.tar.xz
fscrypto: don't let data integrity writebacks fail with ENOMEM
This patch fixes the issue introduced by the ext4 crypto fix in a same manner. For F2FS, however, we flush the pending IOs and wait for a while to acquire free memory. Fixes: c9af28fdd4492 ("ext4 crypto: don't let data integrity writebacks fail with ENOMEM") Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/fscrypto.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/fscrypto.h b/include/linux/fscrypto.h
index cd91f75de49b..6027f6bbb061 100644
--- a/include/linux/fscrypto.h
+++ b/include/linux/fscrypto.h
@@ -263,9 +263,9 @@ static inline void fscrypt_set_d_op(struct dentry *dentry)
extern struct kmem_cache *fscrypt_info_cachep;
int fscrypt_initialize(void);
-extern struct fscrypt_ctx *fscrypt_get_ctx(struct inode *);
+extern struct fscrypt_ctx *fscrypt_get_ctx(struct inode *, gfp_t);
extern void fscrypt_release_ctx(struct fscrypt_ctx *);
-extern struct page *fscrypt_encrypt_page(struct inode *, struct page *);
+extern struct page *fscrypt_encrypt_page(struct inode *, struct page *, gfp_t);
extern int fscrypt_decrypt_page(struct page *);
extern void fscrypt_decrypt_bio_pages(struct fscrypt_ctx *, struct bio *);
extern void fscrypt_pullback_bio_page(struct page **, bool);
@@ -299,7 +299,8 @@ extern int fscrypt_fname_usr_to_disk(struct inode *, const struct qstr *,
#endif
/* crypto.c */
-static inline struct fscrypt_ctx *fscrypt_notsupp_get_ctx(struct inode *i)
+static inline struct fscrypt_ctx *fscrypt_notsupp_get_ctx(struct inode *i,
+ gfp_t f)
{
return ERR_PTR(-EOPNOTSUPP);
}
@@ -310,7 +311,7 @@ static inline void fscrypt_notsupp_release_ctx(struct fscrypt_ctx *c)
}
static inline struct page *fscrypt_notsupp_encrypt_page(struct inode *i,
- struct page *p)
+ struct page *p, gfp_t f)
{
return ERR_PTR(-EOPNOTSUPP);
}