fs: introduce inode operation ->update_time

[deliverable/linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index cdc1a9630948e157c3b6e9f1916d0ebfb1bd88d2..57fc70574d20688caa4d3c23102bbf0f0af16c4f 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1684,6 +1684,7 @@ struct inode_operations {
        void (*truncate_range)(struct inode *, loff_t, loff_t);
        int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
                      u64 len);
+       int (*update_time)(struct inode *, struct timespec *, int);
 } ____cacheline_aligned;
 
 struct seq_file;
@@ -1843,6 +1844,13 @@ static inline void inode_inc_iversion(struct inode *inode)
        spin_unlock(&inode->i_lock);
 }
 
+enum file_time_flags {
+       S_ATIME = 1,
+       S_MTIME = 2,
+       S_CTIME = 4,
+       S_VERSION = 8,
+};
+
 extern void touch_atime(struct path *);
 static inline void file_accessed(struct file *file)
 {
@@ -2579,7 +2587,7 @@ extern int inode_change_ok(const struct inode *, struct iattr *);
 extern int inode_newsize_ok(const struct inode *, loff_t offset);
 extern void setattr_copy(struct inode *inode, const struct iattr *attr);
 
-extern void file_update_time(struct file *file);
+extern int file_update_time(struct file *file);
 
 extern int generic_show_options(struct seq_file *m, struct dentry *root);
 extern void save_mount_options(struct super_block *sb, char *options);