linux-kernel - [PATCH 18/26] ubifs: Constify struct inode pointer in ubifs_crypt_is

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Message-Id: <1477054121-10198-19-git-send-email-richard@nod.at>
Date:   Fri, 21 Oct 2016 14:48:33 +0200
From:   Richard Weinberger <richard@....at>
To:     linux-mtd@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        dedekind1@...il.com, adrian.hunter@...el.com, tytso@....edu,
        jaegeuk@...nel.org, david@...ma-star.at, wd@...x.de,
        sbabic@...x.de, dengler@...utronix.de,
        Richard Weinberger <richard@....at>
Subject: [PATCH 18/26] ubifs: Constify struct inode pointer in ubifs_crypt_is_encrypted()

...and provide a non const variant for fscrypto

Signed-off-by: Richard Weinberger <richard@....at>
---
 fs/ubifs/crypto.c | 2 +-
 fs/ubifs/ubifs.h  | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/ubifs/crypto.c b/fs/ubifs/crypto.c
index 160c31479e0c..d19a097435f0 100644
--- a/fs/ubifs/crypto.c
+++ b/fs/ubifs/crypto.c
@@ -38,7 +38,7 @@ static int ubifs_key_prefix(struct inode *inode, u8 **key)
 struct fscrypt_operations ubifs_crypt_operations = {
 	.get_context		= ubifs_crypt_get_context,
 	.set_context		= ubifs_crypt_set_context,
-	.is_encrypted		= ubifs_crypt_is_encrypted,
+	.is_encrypted		= __ubifs_crypt_is_encrypted,
 	.empty_dir		= ubifs_crypt_empty_dir,
 	.max_namelen		= ubifs_crypt_max_namelen,
 	.key_prefix		= ubifs_key_prefix,
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 6c56a08afcd7..456f22aed35c 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1816,13 +1816,18 @@ extern struct fscrypt_operations ubifs_crypt_operations;
 #define fscrypt_fname_usr_to_disk       fscrypt_notsupp_fname_usr_to_disk
 #endif
 
-static inline bool ubifs_crypt_is_encrypted(struct inode *inode)
+static inline bool __ubifs_crypt_is_encrypted(struct inode *inode)
 {
 	struct ubifs_inode *ui = ubifs_inode(inode);
 
 	return ui->flags & UBIFS_CRYPT_FL;
 }
 
+static inline bool ubifs_crypt_is_encrypted(const struct inode *inode)
+{
+	return __ubifs_crypt_is_encrypted((struct inode *)inode);
+}
+
 /* Normal UBIFS messages */
 __printf(2, 3)
 void ubifs_msg(const struct ubifs_info *c, const char *fmt, ...);
-- 
2.7.3