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On 7/23/19 11:17 PM, Christoph Hellwig wrote: > On Tue, Jul 23, 2019 at 09:25:06PM -0700, john.hubbard at gmail.com wrote: >> * Store, in the iov_iter, a "came from gup (get_user_pages)" parameter. >> Then, use the new iov_iter_get_pages_use_gup() to retrieve it when >> it is time to release the pages. That allows choosing between put_page() >> and

On 7/23/19 11:17 PM, Christoph Hellwig wrote: > On Tue, Jul 23, 2019 at 09:25:06PM -0700, john.hubbard at gmail.com wrote: >> * Store, in the iov_iter, a "came from gup (get_user_pages)" parameter. >> Then, use the new iov_iter_get_pages_use_gup() to retrieve it when >> it is time to release the pages. That allows choosing between put_page() >> and

On Tue, Jul 23, 2019 at 09:25:06PM -0700, john.hubbard at gmail.com wrote: > * Store, in the iov_iter, a "came from gup (get_user_pages)" parameter. > Then, use the new iov_iter_get_pages_use_gup() to retrieve it when > it is time to release the pages. That allows choosing between put_page() > and put_user_page*(). > > * Pass in one more piece of information to

On Mon, Aug 05, 2019 at 03:54:35PM -0700, John Hubbard wrote: > On 7/23/19 11:17 PM, Christoph Hellwig wrote: > > On Tue, Jul 23, 2019 at 09:25:06PM -0700, john.hubbard at gmail.com wrote: > >> * Store, in the iov_iter, a "came from gup (get_user_pages)" parameter. > >> Then, use the new iov_iter_get_pages_use_gup() to retrieve it when > >> it is

This is something I've been working on: Reworking inspection so it's not a big mess of ad hoc C code, but instead uses a well-defined domain-specific language to describe how we inspect guests. The best introduction to this is the manual page, which I include below (it's also included in patch 2/3). Rich. ---------------------------------------------------------------------- NAME

From: John Hubbard <jhubbard at nvidia.com> Hi, This is mostly Jerome's work, converting the block/bio and related areas to call put_user_page*() instead of put_page(). Because I've changed Jerome's patches, in some cases significantly, I'd like to get his feedback before we actually leave him listed as the author (he might want to disown some or all of these). I added a

From: John Hubbard <jhubbard at nvidia.com> Hi, This is mostly Jerome's work, converting the block/bio and related areas to call put_user_page*() instead of put_page(). Because I've changed Jerome's patches, in some cases significantly, I'd like to get his feedback before we actually leave him listed as the author (he might want to disown some or all of these). I added a

Previously posted: https://www.redhat.com/archives/libguestfs/2015-December/msg00038.html Inspection now really succeeds on a small number of simple guests. To test it out: $ ./run guestfish -v -x -a /tmp/centos-6.img ><fs> run ><fs> debug sh "guestfs-inspection --verbose" Rich.

This is a more working version. Inspection (partially) succeeds on a real guest this time :-) You can test it out on a real guest (in this case, a CentOS disk image located at /tmp/centos-6.img) by doing: $ ./run guestfish -v -x -a /tmp/centos-6.img ><fs> run ><fs> debug sh "guestfs-inspection --verbose" which will print lots of debugging, and at the end the

For background on this change, see: https://rwmj.wordpress.com/2015/12/06/inspection-now-with-added-prolog/ v2 was previously posted here: https://www.redhat.com/archives/libguestfs/2015-December/msg00038.html To test this patch series on a real guest, you can do: $ ./run guestfish -v -x -a /var/tmp/centos-6.img ><fs> run ><fs> debug sh "guestfs-inspection