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default ahci_drv and part_blk Block sessions to read-only

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Add a "writeable" policy option to the ahci_drv and part_blk Block
servers and default from writeable to ready-only. Should a policy
permit write acesss the session request argument "writeable" may still
downgrade a session to ready-only.

Fix #2469
This commit is contained in:
Emery Hemingway
2017-07-31 12:53:34 -05:00
committed by Christian Helmuth
parent cf2886dc8f
commit 1fce8d0d74
19 changed files with 118 additions and 65 deletions
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4
repos/dde_linux/src/lib/usb/storage/storage.cc
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@ -222,9 +222,11 @@ void scsi_add_device(struct scsi_device *sdev)
* XXX move to 'main'
*/
if (!announce) {
enum { WRITEABLE = true };
PREPARE_WORK(&delayed, ack_packet);
static Block::Root root(_signal->ep(), Lx::Malloc::mem(),
_signal->rm(), factory);
_signal->rm(), factory, WRITEABLE);
_signal->parent().announce(_signal->ep().rpc_ep().manage(&root));
announce = true;
}