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Date: Tue, 25 Feb 2020 08:54:04 +0800 From: Joseph Qi <joseph.qi@...ux.alibaba.com> To: Jules Irenge <jbi.octave@...il.com>, boqun.feng@...il.com Cc: linux-kernel@...r.kernel.org, Mark Fasheh <mark@...heh.com>, Joel Becker <jlbec@...lplan.org>, "moderated list:ORACLE CLUSTER FILESYSTEM 2 (OCFS2)" <ocfs2-devel@....oracle.com> Subject: Re: [PATCH 30/30] sgi-xp: Add missing annotation for ocfs2_inode_cache_lock() and ocfs2_inode_cache_unlock() On 2020/2/24 07:17, Jules Irenge wrote: > Sparse reports a warning at ocfs2_inode_cache_lock() > and ocfs2_inode_cache_unlock() > warning: context imbalance in ocfs2_inode_cache_lock() > - wrong count at exit > > warning: context imbalance in ocfs2_inode_cache_unlock() > - unexpected unlock > The root cause is a missing annotation at ocfs2_inode_cache_lock() > and at ocfs2_inode_cache_unlock() > > Add the missing __acquires(&oi->ip_lock) annotation > Add the missing __releases(&oi->ip_lock) annotation > > Signed-off-by: Jules Irenge <jbi.octave@...il.com> Acked-by: Joseph Qi <joseph.qi@...ux.alibaba.com> > --- > fs/ocfs2/inode.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c > index 7c9dfd50c1c1..0b87e0a63ab9 100644 > --- a/fs/ocfs2/inode.c > +++ b/fs/ocfs2/inode.c > @@ -1623,6 +1623,7 @@ static struct super_block *ocfs2_inode_cache_get_super(struct ocfs2_caching_info > } > > static void ocfs2_inode_cache_lock(struct ocfs2_caching_info *ci) > + __acquires(&oi->ip_lock) > { > struct ocfs2_inode_info *oi = cache_info_to_inode(ci); > > @@ -1630,6 +1631,7 @@ static void ocfs2_inode_cache_lock(struct ocfs2_caching_info *ci) > } > > static void ocfs2_inode_cache_unlock(struct ocfs2_caching_info *ci) > + __releases(&oi->ip_lock) > { > struct ocfs2_inode_info *oi = cache_info_to_inode(ci); > >
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