Re: [Ocfs2-devel] [PATCH] ocfs2: ocfs2_inode_lock_tracker does not distinguish lock level

On Fri, 11 May 2018 12:16:51 +0800 Larry Chen wrote: > > Nice changelog, but it gives no information about the severity of the > > bug: how often does it hit and what is the end-user impact. > > > > This info is needed so that I and others can decide which kernel > > version(s)

Re: [Ocfs2-devel] [PATCH] ocfs2: ocfs2_inode_lock_tracker does not distinguish lock level

Hello Andrew, On 05/11/2018 05:49 AM, Andrew Morton wrote: > On Thu, 10 May 2018 13:32:30 +0800 Larry Chen wrote: > >> ocfs2_inode_lock_tracker as a variant of ocfs2_inode_lock, >> is used to prevent deadlock due to recursive lock acquisition. >> >> But this function does not

Re: [Ocfs2-devel] [PATCH] ocfs2: ocfs2_inode_lock_tracker does not distinguish lock level

On Thu, 10 May 2018 13:32:30 +0800 Larry Chen wrote: > ocfs2_inode_lock_tracker as a variant of ocfs2_inode_lock, > is used to prevent deadlock due to recursive lock acquisition. > > But this function does not distinguish > whether the requested level is EX or PR. > > If a RP

Re: [Ocfs2-devel] [PATCH] ocfs2: ocfs2_inode_lock_tracker does not distinguish lock level

Hello Joseph, Changwei and Jun/Alex, Please help to take a look at this patch, since the previous patch really has vulnerability in logic, although our test cases did not hit it. Thanks Gang >>> Larry Chen 2018/5/10 13:32 >>> ocfs2_inode_lock_tracker as a variant of