From: Chandan Babu R <chandanrlinux@gmail.com>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: linux-xfs@vger.kernel.org, david@fromorbit.com, hch@infradead.org
Subject: Re: [PATCH V3 07/10] xfs: Check for extent overflow when inserting a hole
Date: Tue, 01 Sep 2020 15:14:52 +0530 [thread overview]
Message-ID: <1622223.9oNHTMeo2i@garuda> (raw)
In-Reply-To: <20200831164635.GQ6096@magnolia>
On Monday 31 August 2020 10:16:35 PM IST Darrick J. Wong wrote:
> On Thu, Aug 20, 2020 at 11:13:46AM +0530, Chandan Babu R wrote:
> > The extent mapping the file offset at which a hole has to be
> > inserted will be split into two extents causing extent count to
> > increase by 1.
> >
> > Signed-off-by: Chandan Babu R <chandanrlinux@gmail.com>
> > ---
> > fs/xfs/libxfs/xfs_inode_fork.h | 6 ++++++
> > fs/xfs/xfs_bmap_util.c | 9 +++++++++
> > 2 files changed, 15 insertions(+)
> >
> > diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h
> > index 83ff90e2a5fe..d0e49b015b62 100644
> > --- a/fs/xfs/libxfs/xfs_inode_fork.h
> > +++ b/fs/xfs/libxfs/xfs_inode_fork.h
> > @@ -73,6 +73,12 @@ struct xfs_ifork {
> > * Hence extent count can increase by 2.
> > */
> > #define XFS_IEXT_WRITE_UNWRITTEN_CNT (2)
> > +/*
> > + * The extent mapping the file offset at which a hole has to be inserted will be
> > + * split into two extents causing extent count to increase by 1.
> > + */
> > +#define XFS_IEXT_INSERT_HOLE_CNT (1)
>
> Given my earlier comments about how patch 3 is really only testing the
> hole punching case, maybe it should be folded into this one? They're
> both inserting holes in the extent map.
>
I agree. I will make the required changes.
--
chandan
next prev parent reply other threads:[~2020-09-01 9:46 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-20 5:43 [PATCH V3 00/10] Bail out if transaction can cause extent count to overflow Chandan Babu R
2020-08-20 5:43 ` [PATCH V3 01/10] xfs: Add helper for checking per-inode extent count overflow Chandan Babu R
2020-08-31 16:08 ` Darrick J. Wong
2020-08-31 16:44 ` Darrick J. Wong
2020-09-01 9:44 ` Chandan Babu R
2020-08-20 5:43 ` [PATCH V3 02/10] xfs: Check for extent overflow when trivally adding a new extent Chandan Babu R
2020-08-31 16:12 ` Darrick J. Wong
2020-08-20 5:43 ` [PATCH V3 03/10] xfs: Check for extent overflow when deleting an extent Chandan Babu R
2020-08-31 16:34 ` Darrick J. Wong
2020-09-01 9:44 ` Chandan Babu R
2020-08-20 5:43 ` [PATCH V3 04/10] xfs: Check for extent overflow when adding/removing xattrs Chandan Babu R
2020-08-31 16:37 ` Darrick J. Wong
2020-09-01 9:44 ` Chandan Babu R
2020-08-20 5:43 ` [PATCH V3 05/10] xfs: Check for extent overflow when adding/removing dir entries Chandan Babu R
2020-08-31 16:41 ` Darrick J. Wong
2020-08-20 5:43 ` [PATCH V3 06/10] xfs: Check for extent overflow when writing to unwritten extent Chandan Babu R
2020-08-31 16:45 ` Darrick J. Wong
2020-08-20 5:43 ` [PATCH V3 07/10] xfs: Check for extent overflow when inserting a hole Chandan Babu R
2020-08-31 16:46 ` Darrick J. Wong
2020-09-01 9:44 ` Chandan Babu R [this message]
2020-08-20 5:43 ` [PATCH V3 08/10] xfs: Check for extent overflow when moving extent from cow to data fork Chandan Babu R
2020-08-31 16:29 ` Darrick J. Wong
2020-09-01 9:45 ` Chandan Babu R
2020-08-20 5:43 ` [PATCH V3 09/10] xfs: Check for extent overflow when remapping an extent Chandan Babu R
2020-08-31 16:23 ` Darrick J. Wong
2020-09-01 9:45 ` Chandan Babu R
2020-08-20 5:43 ` [PATCH V3 10/10] xfs: Check for extent overflow when swapping extents Chandan Babu R
2020-08-31 16:20 ` Darrick J. Wong
2020-09-01 9:45 ` Chandan Babu R
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