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From: Ming Lei <ming.lei@redhat.com>
To: Jan Kara <jack@suse.cz>
Cc: linux-fsdevel@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>,
	Dave Chinner <david@fromorbit.com>,
	ceph-devel@vger.kernel.org, Chao Yu <yuchao0@huawei.com>,
	Damien Le Moal <damien.lemoal@wdc.com>,
	"Darrick J. Wong" <darrick.wong@oracle.com>,
	Jaegeuk Kim <jaegeuk@kernel.org>,
	Jeff Layton <jlayton@kernel.org>,
	Johannes Thumshirn <jth@kernel.org>,
	linux-cifs@vger.kernel.org, linux-ext4@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net, linux-mm@kvack.org,
	linux-xfs@vger.kernel.org, Miklos Szeredi <miklos@szeredi.hu>,
	Steve French <sfrench@samba.org>, Ted Tso <tytso@mit.edu>,
	Matthew Wilcox <willy@infradead.org>,
	Christoph Hellwig <hch@lst.de>, Hugh Dickins <hughd@google.com>
Subject: Re: [PATCH 01/14] mm: Fix comments mentioning i_mutex
Date: Thu, 10 Jun 2021 17:06:41 +0800	[thread overview]
Message-ID: <YMHWIcbnLPW5AfiC@T590> (raw)
In-Reply-To: <20210607145236.31852-1-jack@suse.cz>

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@lst.de>
> Acked-by: Hugh Dickins <hughd@google.com>
> Signed-off-by: Jan Kara <jack@suse.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


WARNING: multiple messages have this Message-ID
From: Ming Lei <ming.lei@redhat.com>
To: Jan Kara <jack@suse.cz>
Cc: linux-cifs@vger.kernel.org,
	Damien Le Moal <damien.lemoal@wdc.com>,
	linux-ext4@vger.kernel.org, Ted Tso <tytso@mit.edu>,
	Hugh Dickins <hughd@google.com>,
	"Darrick J. Wong" <darrick.wong@oracle.com>,
	Jeff Layton <jlayton@kernel.org>,
	Steve French <sfrench@samba.org>,
	Dave Chinner <david@fromorbit.com>,
	Matthew Wilcox <willy@infradead.org>,
	linux-f2fs-devel@lists.sourceforge.net,
	Christoph Hellwig <hch@infradead.org>,
	linux-mm@kvack.org, Miklos Szeredi <miklos@szeredi.hu>,
	linux-fsdevel@vger.kernel.org, Jaegeuk Kim <jaegeuk@kernel.org>,
	ceph-devel@vger.kernel.org, Johannes Thumshirn <jth@kernel.org>,
	Christoph Hellwig <hch@lst.de>,
	linux-xfs@vger.kernel.org
Subject: Re: [f2fs-dev] [PATCH 01/14] mm: Fix comments mentioning i_mutex
Date: Thu, 10 Jun 2021 17:06:41 +0800	[thread overview]
Message-ID: <YMHWIcbnLPW5AfiC@T590> (raw)
In-Reply-To: <20210607145236.31852-1-jack@suse.cz>

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@lst.de>
> Acked-by: Hugh Dickins <hughd@google.com>
> Signed-off-by: Jan Kara <jack@suse.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



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  parent reply	other threads:[~2021-06-10  9:07 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-07 14:52 [PATCH 0/14 v7] fs: Hole punch vs page cache filling races Jan Kara
2021-06-07 14:52 ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 01/14] mm: Fix comments mentioning i_mutex Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 15:31   ` Darrick J. Wong
2021-06-07 15:31     ` [f2fs-dev] " Darrick J. Wong
2021-06-10  9:06   ` Ming Lei [this message]
2021-06-10  9:06     ` Ming Lei
2021-06-10 10:40     ` Jan Kara
2021-06-10 10:40       ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 02/14] documentation: Sync file_operations members with reality Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 03/14] mm: Protect operations adding pages to page cache with invalidate_lock Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 16:09   ` Darrick J. Wong
2021-06-07 16:09     ` [f2fs-dev] " Darrick J. Wong
2021-06-08 12:19     ` Jan Kara
2021-06-08 12:19       ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 04/14] mm: Add functions to lock invalidate_lock for two mappings Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 15:46   ` Darrick J. Wong
2021-06-07 15:46     ` [f2fs-dev] " Darrick J. Wong
2021-06-07 14:52 ` [PATCH 05/14] ext4: Convert to use mapping->invalidate_lock Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 06/14] ext2: Convert to using invalidate_lock Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 07/14] xfs: Refactor xfs_isilocked() Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 15:49   ` Darrick J. Wong
2021-06-07 15:49     ` [f2fs-dev] " Darrick J. Wong
2021-06-08 22:18   ` Dave Chinner
2021-06-08 22:18     ` [f2fs-dev] " Dave Chinner
2021-06-07 14:52 ` [PATCH 08/14] xfs: Convert to use invalidate_lock Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 15:56   ` Darrick J. Wong
2021-06-07 15:56     ` [f2fs-dev] " Darrick J. Wong
2021-06-08 12:23     ` Jan Kara
2021-06-08 12:23       ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 09/14] xfs: Convert double locking of MMAPLOCK to use VFS helpers Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 15:57   ` Darrick J. Wong
2021-06-07 15:57     ` [f2fs-dev] " Darrick J. Wong
2021-06-07 14:52 ` [PATCH 10/14] zonefs: Convert to using invalidate_lock Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 11/14] f2fs: " Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 12/14] fuse: " Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-10 12:42   ` Miklos Szeredi
2021-06-10 12:42     ` [f2fs-dev] " Miklos Szeredi
2021-06-10 12:42     ` Miklos Szeredi
2021-06-07 14:52 ` [PATCH 13/14] ceph: Fix race between hole punch and page fault Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-07 14:52 ` [PATCH 14/14] cifs: " Jan Kara
2021-06-07 14:52   ` [f2fs-dev] " Jan Kara
2021-06-08 11:54 ` [PATCH 0/14 v7] fs: Hole punch vs page cache filling races Jan Kara
2021-06-08 11:54   ` [f2fs-dev] " Jan Kara
2021-06-15  9:17 [PATCH 0/14 v8] " Jan Kara
2021-06-15  9:17 ` [PATCH 01/14] mm: Fix comments mentioning i_mutex Jan Kara
2021-07-12 16:55 [PATCH 0/14 v9] fs: Hole punch vs page cache filling races Jan Kara
2021-07-12 16:55 ` [PATCH 01/14] mm: Fix comments mentioning i_mutex Jan Kara
2021-07-15 13:40 [PATCH 0/14 v10] fs: Hole punch vs page cache filling races Jan Kara
2021-07-15 13:40 ` [PATCH 01/14] mm: Fix comments mentioning i_mutex Jan Kara

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