diff options
Diffstat (limited to 'fs/inode.c')
| -rw-r--r-- | fs/inode.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/inode.c b/fs/inode.c index ed35383d0b6c..b48324a94c2b 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -1243,6 +1243,23 @@ void touch_atime(struct vfsmount *mnt, struct dentry *dentry) EXPORT_SYMBOL(touch_atime); /** + * inode_inc_iversion - increments i_version + * @inode: inode that need to be updated + * + * Every time the inode is modified, the i_version field + * will be incremented. + * The filesystem has to be mounted with i_version flag + * + */ + +void inode_inc_iversion(struct inode *inode) +{ + spin_lock(&inode->i_lock); + inode->i_version++; + spin_unlock(&inode->i_lock); +} + +/** * file_update_time - update mtime and ctime time * @file: file accessed * @@ -1276,6 +1293,11 @@ void file_update_time(struct file *file) sync_it = 1; } + if (IS_I_VERSION(inode)) { + inode_inc_iversion(inode); + sync_it = 1; + } + if (sync_it) mark_inode_dirty_sync(inode); } |