[PATCH v2 2/3] fs: ubifs: update i_version on inode changes

[Oleksij Rempel]

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

Signed-off-by: Oleksij Rempel <o.rem...@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