Commit 20ddee2c authored by Dave Hansen's avatar Dave Hansen Committed by Al Viro
Browse files

[PATCH] r/o bind mounts: write count for file_update_time() 



Acked-by: default avatarAl Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarDave Hansen <haveblue@us.ibm.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 74f9fdfa

fs/inode.c

+5 −1
Original line number Diff line number Diff line
@@ -1250,10 +1250,13 @@ void file_update_time(struct file *file) 
	struct inode *inode = file->f_path.dentry->d_inode;

	struct timespec now;

	int sync_it = 0;

	int err;



	if (IS_NOCMTIME(inode))

		return;

	if (IS_RDONLY(inode))



	err = mnt_want_write(file->f_path.mnt);

	if (err)

		return;



	now = current_fs_time(inode->i_sb);
@@ -1274,6 +1277,7 @@ void file_update_time(struct file *file) 


	if (sync_it)

		mark_inode_dirty_sync(inode);

	mnt_drop_write(file->f_path.mnt);

}



EXPORT_SYMBOL(file_update_time);