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From: Eric Biggers <ebiggers3@gmail.com>
To: linux-fscrypt@vger.kernel.org
Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net,
	linux-mtd@lists.infradead.org,
	"Theodore Y . Ts'o" <tytso@mit.edu>,
	Jaegeuk Kim <jaegeuk@kernel.org>,
	Michael Halcrow <mhalcrow@google.com>,
	Eric Biggers <ebiggers@google.com>
Subject: [PATCH 16/25] f2fs: switch to fscrypt_file_open()
Date: Wed, 20 Sep 2017 15:45:56 -0700	[thread overview]
Message-ID: <20170920224605.22030-17-ebiggers3@gmail.com> (raw)
In-Reply-To: <20170920224605.22030-1-ebiggers3@gmail.com>

From: Eric Biggers <ebiggers@google.com>

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 fs/f2fs/file.c | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 517e112c8a9a..8cef3931a00b 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -455,22 +455,10 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
 
 static int f2fs_file_open(struct inode *inode, struct file *filp)
 {
-	struct dentry *dir;
+	int err = fscrypt_file_open(inode, filp);
 
-	if (f2fs_encrypted_inode(inode)) {
-		int ret = fscrypt_get_encryption_info(inode);
-		if (ret)
-			return -EACCES;
-		if (!fscrypt_has_encryption_key(inode))
-			return -ENOKEY;
-	}
-	dir = dget_parent(file_dentry(filp));
-	if (f2fs_encrypted_inode(d_inode(dir)) &&
-			!fscrypt_has_permitted_context(d_inode(dir), inode)) {
-		dput(dir);
-		return -EPERM;
-	}
-	dput(dir);
+	if (err)
+		return err;
 	return dquot_file_open(inode, filp);
 }
 
-- 
2.14.1.821.g8fa685d3b7-goog

  parent reply	other threads:[~2017-09-20 22:45 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-20 22:45 [PATCH 00/25] fscrypt: add some higher-level helper functions Eric Biggers
2017-09-20 22:45 ` [PATCH 01/25] fs, fscrypt: add an S_ENCRYPTED inode flag Eric Biggers
2017-09-20 22:45 ` [PATCH 02/25] fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED() Eric Biggers
2017-09-20 22:45 ` [PATCH 03/25] fscrypt: remove ->is_encrypted() Eric Biggers
2017-09-20 22:45 ` [PATCH 04/25] fscrypt: remove unneeded empty fscrypt_operations structs Eric Biggers
2017-09-20 22:45 ` [PATCH 05/25] fscrypt: new helper function - fscrypt_require_key() Eric Biggers
2017-09-20 22:45 ` [PATCH 06/25] fscrypt: new helper function - fscrypt_file_open() Eric Biggers
2017-09-20 22:45 ` [PATCH 07/25] fscrypt: new helper function - fscrypt_prepare_link() Eric Biggers
2017-09-20 22:45 ` [PATCH 08/25] fscrypt: new helper function - fscrypt_prepare_rename() Eric Biggers
2017-09-20 22:45 ` [PATCH 09/25] fscrypt: new helper function - fscrypt_prepare_lookup() Eric Biggers
2017-09-20 22:45 ` [PATCH 10/25] fscrypt: new helper function - fscrypt_prepare_setattr() Eric Biggers
2017-09-20 22:45 ` [PATCH 11/25] ext4: switch to fscrypt_file_open() Eric Biggers
2017-09-20 22:45 ` [PATCH 12/25] ext4: switch to fscrypt_prepare_link() Eric Biggers
2017-09-20 22:45 ` [PATCH 13/25] ext4: switch to fscrypt_prepare_rename() Eric Biggers
2017-09-20 22:45 ` [PATCH 14/25] ext4: switch to fscrypt_prepare_lookup() Eric Biggers
2017-09-20 22:45 ` [PATCH 15/25] ext4: switch to fscrypt_prepare_setattr() Eric Biggers
2017-09-20 22:45 ` Eric Biggers [this message]
2017-09-20 22:45 ` [PATCH 17/25] f2fs: switch to fscrypt_prepare_link() Eric Biggers
2017-09-20 22:45 ` [PATCH 18/25] f2fs: switch to fscrypt_prepare_rename() Eric Biggers
2017-09-20 22:45 ` [PATCH 19/25] f2fs: switch to fscrypt_prepare_lookup() Eric Biggers
2017-09-20 22:46 ` [PATCH 20/25] f2fs: switch to fscrypt_prepare_setattr() Eric Biggers
2017-09-20 22:46 ` [PATCH 21/25] ubifs: switch to fscrypt_file_open() Eric Biggers
2017-09-20 22:46 ` [PATCH 22/25] ubifs: switch to fscrypt_prepare_link() Eric Biggers
2017-09-20 22:46 ` [PATCH 23/25] ubifs: switch to fscrypt_prepare_rename() Eric Biggers
2017-09-20 22:46 ` [PATCH 24/25] ubifs: switch to fscrypt_prepare_lookup() Eric Biggers
2017-09-20 22:46 ` [PATCH 25/25] ubifs: switch to fscrypt_prepare_setattr() Eric Biggers
2017-09-21  6:45 ` [PATCH 00/25] fscrypt: add some higher-level helper functions Dave Chinner
2017-09-21 17:47   ` Eric Biggers
2017-09-21 20:48     ` Dave Chinner
2017-09-21 14:19 ` [f2fs-dev] " Chao Yu

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