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From: Oleksij Rempel <o.rempel@pengutronix.de>
To: richard@nod.at, dedekind1@gmail.com, adrian.hunter@intel.com,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Subject: [PATCH v2 2/3] fs: ubifs: update i_version on inode changes
Date: Tue, 11 Apr 2017 11:50:54 +0200	[thread overview]
Message-ID: <20170411095055.26328-3-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20170411095055.26328-1-o.rempel@pengutronix.de>

increment i_version to notify security/IMA about changes
made in inode.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 fs/ubifs/file.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index d9ae86f96df7..29213724259b 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1104,6 +1104,8 @@ static void do_attr_changes(struct inode *inode, const struct iattr *attr)
 			mode &= ~S_ISGID;
 		inode->i_mode = mode;
 	}
+	if (IS_I_VERSION(inode))
+		inode_inc_iversion(inode);
 }
 
 /**
@@ -1401,6 +1403,9 @@ int ubifs_update_time(struct inode *inode, struct timespec *time,
 	if (!(inode->i_sb->s_flags & MS_LAZYTIME))
 		iflags |= I_DIRTY_SYNC;
 
+	if (IS_I_VERSION(inode))
+		inode_inc_iversion(inode);
+
 	release = ui->dirty;
 	__mark_inode_dirty(inode, iflags);
 	mutex_unlock(&ui->ui_mutex);
@@ -1435,6 +1440,8 @@ static int update_mctime(struct inode *inode)
 
 		mutex_lock(&ui->ui_mutex);
 		inode->i_mtime = inode->i_ctime = ubifs_current_time(inode);
+		if (IS_I_VERSION(inode))
+			inode_inc_iversion(inode);
 		release = ui->dirty;
 		mark_inode_dirty_sync(inode);
 		mutex_unlock(&ui->ui_mutex);
@@ -1580,6 +1587,8 @@ static int ubifs_vm_page_mkwrite(struct vm_fault *vmf)
 
 		mutex_lock(&ui->ui_mutex);
 		inode->i_mtime = inode->i_ctime = ubifs_current_time(inode);
+		if (IS_I_VERSION(inode))
+			inode_inc_iversion(inode);
 		release = ui->dirty;
 		mark_inode_dirty_sync(inode);
 		mutex_unlock(&ui->ui_mutex);
-- 
2.11.0

  parent reply	other threads:[~2017-04-11  9:51 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-11  9:50 [PATCH v2 0/3] make ubifs compatible with IMA and EVM Oleksij Rempel
2017-04-11  9:50 ` [PATCH v2 1/3] fs: ubifs: parse iversion mount option Oleksij Rempel
2017-04-11  9:50 ` Oleksij Rempel [this message]
2017-04-11 16:05   ` [PATCH v2 2/3] fs: ubifs: update i_version on inode changes Christoph Hellwig
2017-04-11 21:13     ` Richard Weinberger
2017-04-12  6:05       ` Oleksij Rempel
2017-04-12  6:08         ` Christoph Hellwig
2017-04-12  7:04           ` Oleksij Rempel
2017-04-24 15:44             ` Richard Weinberger
2017-04-11  9:50 ` [PATCH v2 3/3] fs: ubifs: set s_uuid in super block Oleksij Rempel
2017-04-11 20:43   ` Richard Weinberger
2017-04-12  5:48     ` Christoph Hellwig
2017-04-12  7:15       ` Oleksij Rempel
2017-04-24 15:47         ` Richard Weinberger
2017-04-27 22:03           ` Richard Weinberger
2017-04-28  8:53             ` Amir Goldstein
2017-05-02  5:30               ` Oleksij Rempel
2017-05-02  7:19             ` Amir Goldstein
2017-05-02  7:37               ` Richard Weinberger
2017-05-09  4:13                 ` Oleksij Rempel
     [not found]                   ` <CAOQ4uxiEGJLSGS5rK8V8GRNvf9aWqbVG5odu2=nv73xTOmvfNQ@mail.gmail.com>
2017-05-09  5:52                     ` Oleksij Rempel
2017-05-09  7:01                       ` Richard Weinberger
2017-05-09  7:08                         ` Amir Goldstein
2017-05-09  7:35                           ` Oleksij Rempel
2017-05-09  7:35                           ` Richard Weinberger
2017-05-09  7:50                             ` Amir Goldstein
2017-05-02  7:23     ` Artem Bityutskiy

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