FC_REMOTE_PORT_ROLEC(9) SCSI mid layer FC_REMOTE_PORT_ROLEC(9)NAME
fc_remote_port_rolechg - notifies the fc transport that the roles on a remote may have changed.
SYNOPSIS
void fc_remote_port_rolechg(struct fc_rport * rport, u32 roles);
ARGUMENTS
rport
The remote port that changed.
roles
New roles for this port.
DESCRIPTION
The LLDD calls this routine to notify the transport that the roles on a remote port may have changed. The largest effect of this is if a
port now becomes a FCP Target, it must be allocated a scsi target id. If the port is no longer a FCP target, any scsi target id value
assigned to it will persist in case the role changes back to include FCP Target. No changes in the scsi midlayer will be invoked if the
role changes (in the expectation that the role will be resumed. If it doesn't normal error processing will take place).
Should not be called from interrupt context.
NOTES
This routine assumes no locks are held on entry.
AUTHORS
James Bottomley <James.Bottomley@hansenpartnership.com>
Author.
Rob Landley <rob@landley.net>
Author.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 FC_REMOTE_PORT_ROLEC(9)
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DROP ROLE(7) PostgreSQL 9.2.7 Documentation DROP ROLE(7)NAME
DROP_ROLE - remove a database role
SYNOPSIS
DROP ROLE [ IF EXISTS ] name [, ...]
DESCRIPTION
DROP ROLE removes the specified role(s). To drop a superuser role, you must be a superuser yourself; to drop non-superuser roles, you must
have CREATEROLE privilege.
A role cannot be removed if it is still referenced in any database of the cluster; an error will be raised if so. Before dropping the role,
you must drop all the objects it owns (or reassign their ownership) and revoke any privileges the role has been granted. The REASSIGN OWNED
(REASSIGN_OWNED(7)) and DROP OWNED (DROP_OWNED(7)) commands can be useful for this purpose.
However, it is not necessary to remove role memberships involving the role; DROP ROLE automatically revokes any memberships of the target
role in other roles, and of other roles in the target role. The other roles are not dropped nor otherwise affected.
PARAMETERS
IF EXISTS
Do not throw an error if the role does not exist. A notice is issued in this case.
name
The name of the role to remove.
NOTES
PostgreSQL includes a program dropuser(1) that has the same functionality as this command (in fact, it calls this command) but can be run
from the command shell.
EXAMPLES
To drop a role:
DROP ROLE jonathan;
COMPATIBILITY
The SQL standard defines DROP ROLE, but it allows only one role to be dropped at a time, and it specifies different privilege requirements
than PostgreSQL uses.
SEE ALSO
CREATE ROLE (CREATE_ROLE(7)), ALTER ROLE (ALTER_ROLE(7)), SET ROLE (SET_ROLE(7))
PostgreSQL 9.2.7 2014-02-17 DROP ROLE(7)
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