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Re: [PATCH v2 1/5] fs, xfs: introduce S_IOMAP_IMMUTABLE

From Christoph Hellwig <hch@lst.de>
Newsgroups linux.kernel
Subject Re: [PATCH v2 1/5] fs, xfs: introduce S_IOMAP_IMMUTABLE
Date 2017-08-05 11:50 +0200
Message-ID <ub3Sy-3eV-9@gated-at.bofh.it> (permalink)
References <uaAGR-Pk-3@gated-at.bofh.it> <uaAGS-Pk-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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NAK^4.

We should not allow users to create immutable files.  We have
proper ways to synchronize I/O, and this is just an invitation
for horrible abuses that should not be allowed, and which we've
always people told not to do.

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[PATCH v2 0/5] fs, xfs: block map immutable files for dax,  dma-to-storage, and swap Dan Williams <dan.j.williams@intel.com> - 2017-08-04 04:40 +0200
  [PATCH v2 2/5] fs, xfs: introduce FALLOC_FL_SEAL_BLOCK_MAP Dan Williams <dan.j.williams@intel.com> - 2017-08-04 04:40 +0200
    Re: [PATCH v2 2/5] fs, xfs: introduce FALLOC_FL_SEAL_BLOCK_MAP "Darrick J. Wong" <darrick.wong@oracle.com> - 2017-08-04 21:50 +0200
      Re: [PATCH v2 2/5] fs, xfs: introduce FALLOC_FL_SEAL_BLOCK_MAP Dan Williams <dan.j.williams@intel.com> - 2017-08-04 22:00 +0200
    Re: [PATCH v2 2/5] fs, xfs: introduce FALLOC_FL_SEAL_BLOCK_MAP Dave Chinner <david@fromorbit.com> - 2017-08-05 01:40 +0200
      Re: [PATCH v2 2/5] fs, xfs: introduce FALLOC_FL_SEAL_BLOCK_MAP Dan Williams <dan.j.williams@intel.com> - 2017-08-05 01:50 +0200
        Re: [PATCH v2 2/5] fs, xfs: introduce FALLOC_FL_SEAL_BLOCK_MAP Dave Chinner <david@fromorbit.com> - 2017-08-05 02:10 +0200
  [PATCH v2 1/5] fs, xfs: introduce S_IOMAP_IMMUTABLE Dan Williams <dan.j.williams@intel.com> - 2017-08-04 04:40 +0200
    Re: [PATCH v2 1/5] fs, xfs: introduce S_IOMAP_IMMUTABLE "Darrick J. Wong" <darrick.wong@oracle.com> - 2017-08-04 22:10 +0200
      Re: [PATCH v2 1/5] fs, xfs: introduce S_IOMAP_IMMUTABLE Dan Williams <dan.j.williams@intel.com> - 2017-08-04 22:40 +0200
    Re: [PATCH v2 1/5] fs, xfs: introduce S_IOMAP_IMMUTABLE Christoph Hellwig <hch@lst.de> - 2017-08-05 11:50 +0200
      Re: [PATCH v2 1/5] fs, xfs: introduce S_IOMAP_IMMUTABLE Dave Chinner <david@fromorbit.com> - 2017-08-07 02:30 +0200
        Re: [PATCH v2 1/5] fs, xfs: introduce S_IOMAP_IMMUTABLE Christoph Hellwig <hch@lst.de> - 2017-08-11 12:40 +0200
  Re: [PATCH v2 0/5] fs, xfs: block map immutable files for dax,  dma-to-storage, and swap Dan Williams <dan.j.williams@intel.com> - 2017-08-04 04:40 +0200
    Re: [PATCH v2 0/5] fs, xfs: block map immutable files for dax,         dma-to-storage, and swap Christoph Hellwig <hch@lst.de> - 2017-08-05 12:00 +0200
      Re: [PATCH v2 0/5] fs, xfs: block map immutable files for dax,  dma-to-storage, and swap Dan Williams <dan.j.williams@intel.com> - 2017-08-06 21:00 +0200
        Re: [PATCH v2 0/5] fs, xfs: block map immutable files for dax,         dma-to-storage, and swap Christoph Hellwig <hch@lst.de> - 2017-08-11 12:50 +0200
  [PATCH v2 5/5] xfs: toggle XFS_DIFLAG2_IOMAP_IMMUTABLE in response  to fallocate Dan Williams <dan.j.williams@intel.com> - 2017-08-04 04:40 +0200
    Re: [PATCH v2 5/5] xfs: toggle XFS_DIFLAG2_IOMAP_IMMUTABLE in  response to fallocate "Darrick J. Wong" <darrick.wong@oracle.com> - 2017-08-04 22:20 +0200
      Re: [PATCH v2 5/5] xfs: toggle XFS_DIFLAG2_IOMAP_IMMUTABLE in  response to fallocate Dan Williams <dan.j.williams@intel.com> - 2017-08-04 22:50 +0200
        Re: [PATCH v2 5/5] xfs: toggle XFS_DIFLAG2_IOMAP_IMMUTABLE in  response to fallocate Dan Williams <dan.j.williams@intel.com> - 2017-08-04 23:00 +0200
        Re: [PATCH v2 5/5] xfs: toggle XFS_DIFLAG2_IOMAP_IMMUTABLE in  response to fallocate "Darrick J. Wong" <darrick.wong@oracle.com> - 2017-08-04 23:00 +0200
  [PATCH v2 4/5] xfs: introduce XFS_DIFLAG2_IOMAP_IMMUTABLE Dan Williams <dan.j.williams@intel.com> - 2017-08-04 04:40 +0200
    Re: [PATCH v2 4/5] xfs: introduce XFS_DIFLAG2_IOMAP_IMMUTABLE "Darrick J. Wong" <darrick.wong@oracle.com> - 2017-08-04 22:40 +0200
      Re: [PATCH v2 4/5] xfs: introduce XFS_DIFLAG2_IOMAP_IMMUTABLE Dan Williams <dan.j.williams@intel.com> - 2017-08-04 22:50 +0200
      Re: [PATCH v2 4/5] xfs: introduce XFS_DIFLAG2_IOMAP_IMMUTABLE Dave Chinner <david@fromorbit.com> - 2017-08-05 01:50 +0200
        Re: [PATCH v2 4/5] xfs: introduce XFS_DIFLAG2_IOMAP_IMMUTABLE "Darrick J. Wong" <darrick.wong@oracle.com> - 2017-08-05 02:00 +0200

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