linux-kernel - [PATCH 2/4] fscrypt: Export fscrypt_d

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Message-Id: <20190314171559.27584-3-richard@nod.at>
Date:   Thu, 14 Mar 2019 18:15:57 +0100
From:   Richard Weinberger <richard@....at>
To:     linux-mtd@...ts.infradead.org
Cc:     linux-fscrypt@...r.kernel.org, jaegeuk@...nel.org, tytso@....edu,
        linux-unionfs@...r.kernel.org, miklos@...redi.hu,
        amir73il@...il.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, paullawrence@...gle.com,
        Richard Weinberger <richard@....at>
Subject: [PATCH 2/4] fscrypt: Export fscrypt_d_ops

If a filesystem manages dentry operations itself it might want to
re-use fscrypt_d_ops.

Signed-off-by: Richard Weinberger <richard@....at>
---
 fs/crypto/crypto.c          | 1 +
 fs/crypto/fscrypt_private.h | 1 -
 include/linux/fscrypt.h     | 1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c
index 4dc788e3bc96..8018f8bba50d 100644
--- a/fs/crypto/crypto.c
+++ b/fs/crypto/crypto.c
@@ -357,6 +357,7 @@ static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)
 const struct dentry_operations fscrypt_d_ops = {
 	.d_revalidate = fscrypt_d_revalidate,
 };
+EXPORT_SYMBOL(fscrypt_d_ops);
 
 void fscrypt_restore_control_page(struct page *page)
 {
diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h
index 7da276159593..bced1ee4fd64 100644
--- a/fs/crypto/fscrypt_private.h
+++ b/fs/crypto/fscrypt_private.h
@@ -125,7 +125,6 @@ extern int fscrypt_do_page_crypto(const struct inode *inode,
 				  gfp_t gfp_flags);
 extern struct page *fscrypt_alloc_bounce_page(struct fscrypt_ctx *ctx,
 					      gfp_t gfp_flags);
-extern const struct dentry_operations fscrypt_d_ops;
 
 extern void __printf(3, 4) __cold
 fscrypt_msg(struct super_block *sb, const char *level, const char *fmt, ...);
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index 7139a110ac4f..2b9577e4707f 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -231,6 +231,7 @@ extern int __fscrypt_encrypt_symlink(struct inode *inode, const char *target,
 extern const char *fscrypt_get_symlink(struct inode *inode, const void *caddr,
 				       unsigned int max_size,
 				       struct delayed_call *done);
+extern const struct dentry_operations fscrypt_d_ops;
 #else  /* !CONFIG_FS_ENCRYPTION */
 
 static inline bool fscrypt_has_encryption_key(const struct inode *inode)
-- 
2.21.0