fs/dlm/dlm_internal.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
5 **  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
6 **  Copyright (C) 2004-2011 Red Hat, Inc.  All rights reserved.
61 	printk(KERN_ERR "dlm: %s: " fmt "\n", (ls)->ls_name , ##args)
67 			(ls)->ls_name, ##args); \
70 		       (ls)->ls_name , ##args); \
77 		       (ls)->ls_name , ##args); \
84 			(ls)->ls_name , ##args); \
127  * Save and manage recovery state for a lockspace.
145 	void			(*bastfn) (void *astparam, int mode);
146 	int			mode;  member
159  *                 (lkb_nodeid is non-zero and DLM_LKF_MSTCPY is not set)
161  *                 (lkb_nodeid is non-zero and DLM_LKF_MSTCPY is set)
166  * are sent as-is to the remote master when the lock is remote.
224 	int8_t			mode; /* rq mode of bast, gr mode of cast */  member
244 	int8_t			lkb_rqmode;	/* requested lock mode */
245 	int8_t			lkb_grmode;	/* granted lock mode */
246 	int8_t			lkb_highbast;	/* highest mode bast sent for */
260 	struct list_head	lkb_cb_list; /* for ls_cb_delay or proc->asts */
273 	void			(*lkb_bastfn) (void *astparam, int mode);
281  * res_master_nodeid is "normal": 0 is unset/invalid, non-zero is the real
284  * res_nodeid is "odd": -1 is unset/invalid, zero means our_nodeid,
314 	struct list_head	res_root_list;	    /* used for recovery */
315 	struct list_head	res_recover_list;   /* used for recovery */
353 	__set_bit(flag, &r->res_flags);  in rsb_set_flag()
358 	__clear_bit(flag, &r->res_flags);  in rsb_clear_flag()
363 	return test_bit(flag, &r->res_flags);  in rsb_flag()
431 	__le32			m_result;	/* 0 or -EXXX */
457 	__le32			rc_result;	/* multi-purpose */
581 	struct list_head	ls_nodes_gone;	/* dead node list, recovery */
612 	/* recovery related */
657  * LSFL_RECOVER_STOP - dlm_ls_stop() sets this to tell dlm recovery routines
658  * that they should abort what they're doing so new recovery can be started.
660  * LSFL_RECOVER_DOWN - dlm_ls_stop() sets this to tell dlm_recoverd that it
665  * LSFL_RECOVER_LOCK - dlm_recoverd holds the in_recovery rw_semaphore.
669  * LSFL_RECOVER_WORK - dlm_ls_start() sets this to tell dlm_recoverd that it
670  * should begin recovery of the lockspace.
672  * LSFL_RUNNING - set when normal locking activity is enabled.
674  * quit what they are doing so recovery can run.  dlm_recoverd sets
675  * this after recovery is finished.
726 	return !test_bit(LSFL_RUNNING, &ls->ls_flags);  in dlm_locking_stopped()
731 	return test_bit(LSFL_RECOVER_STOP, &ls->ls_flags);  in dlm_recovery_stopped()
736 	return test_bit(LSFL_NODIR, &ls->ls_flags);  in dlm_no_directory()
754 	return dlm_flags_val(&lkb->lkb_iflags, __DLM_IFL_MIN_BIT,  in dlm_iflags_val()
760 	return dlm_flags_val(&lkb->lkb_dflags, __DLM_DFL_MIN_BIT,  in dlm_dflags_val()
780 	return dlm_flags_val(&lkb->lkb_sbflags, __DLM_SBF_MIN_BIT,  in dlm_sbflags_val()
799 	dlm_set_flags_val(&lkb->lkb_dflags, val, __DLM_DFL_MIN_BIT,  in dlm_set_dflags_val()
805 	dlm_set_flags_val(&lkb->lkb_sbflags, val, __DLM_SBF_MIN_BIT,  in dlm_set_sbflags_val()