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authorMax Reitz <mreitz@redhat.com>2020-10-27 20:05:44 +0100
committerKevin Wolf <kwolf@redhat.com>2020-12-11 17:52:40 +0100
commit4fba06d5941e74169a6d33bcfd09093a49dd311f (patch)
tree0cfff0def1e32a62dbdd94a4bfb30e1b4c8b30df /scripts/tracetool/backend
parent41429e3d79c331503a87ec23b5da3cc1440a73fa (diff)
downloadfocaccia-qemu-4fba06d5941e74169a6d33bcfd09093a49dd311f.tar.gz
focaccia-qemu-4fba06d5941e74169a6d33bcfd09093a49dd311f.zip
fuse: Allow growable exports
These will behave more like normal files in that writes beyond the EOF
will automatically grow the export size.

As an optimization, keep the RESIZE permission for growable exports so
we do not have to take it for every post-EOF write.  (This permission is
not released when the export is destroyed, because at that point the
BlockBackend is destroyed altogether anyway.)

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20201027190600.192171-5-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'scripts/tracetool/backend')
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