linux-ext4 - Re: [PATCH 01/14] mm: Fix comments mentioning i

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Message-ID: <YMHWIcbnLPW5AfiC@T590>
Date:   Thu, 10 Jun 2021 17:06:41 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-fsdevel@...r.kernel.org,
        Christoph Hellwig <hch@...radead.org>,
        Dave Chinner <david@...morbit.com>, ceph-devel@...r.kernel.org,
        Chao Yu <yuchao0@...wei.com>,
        Damien Le Moal <damien.lemoal@....com>,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Jeff Layton <jlayton@...nel.org>,
        Johannes Thumshirn <jth@...nel.org>,
        linux-cifs@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, linux-mm@...ck.org,
        linux-xfs@...r.kernel.org, Miklos Szeredi <miklos@...redi.hu>,
        Steve French <sfrench@...ba.org>, Ted Tso <tytso@....edu>,
        Matthew Wilcox <willy@...radead.org>,
        Christoph Hellwig <hch@....de>, Hugh Dickins <hughd@...gle.com>
Subject: Re: [PATCH 01/14] mm: Fix comments mentioning i_mutex

On Mon, Jun 07, 2021 at 04:52:11PM +0200, Jan Kara wrote:
> inode->i_mutex has been replaced with inode->i_rwsem long ago. Fix
> comments still mentioning i_mutex.
> 
> Reviewed-by: Christoph Hellwig <hch@....de>
> Acked-by: Hugh Dickins <hughd@...gle.com>
> Signed-off-by: Jan Kara <jack@...e.cz>
> ---

...

> diff --git a/mm/rmap.c b/mm/rmap.c
> index 693a610e181d..a35cbbbded0d 100644
> --- a/mm/rmap.c
> +++ b/mm/rmap.c
> @@ -20,9 +20,9 @@
>  /*
>   * Lock ordering in mm:
>   *
> - * inode->i_mutex	(while writing or truncating, not reading or faulting)
> + * inode->i_rwsem	(while writing or truncating, not reading or faulting)
>   *   mm->mmap_lock
> - *     page->flags PG_locked (lock_page)   * (see huegtlbfs below)
> + *     page->flags PG_locked (lock_page)   * (see hugetlbfs below)
>   *       hugetlbfs_i_mmap_rwsem_key (in huge_pmd_share)
>   *         mapping->i_mmap_rwsem
>   *           hugetlb_fault_mutex (hugetlbfs specific page fault mutex)
> @@ -41,7 +41,7 @@
>   *                             in arch-dependent flush_dcache_mmap_lock,
>   *                             within bdi.wb->list_lock in __sync_single_inode)
>   *
> - * anon_vma->rwsem,mapping->i_mutex      (memory_failure, collect_procs_anon)
> + * anon_vma->rwsem,mapping->i_mmap_rwsem   (memory_failure, collect_procs_anon)

This one looks a typo.

-- 
Ming