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.
63 	printk(KERN_ERR "dlm: %s: " fmt "\n", (ls)->ls_name , ##args)
69 			(ls)->ls_name, ##args); \
72 		       (ls)->ls_name , ##args); \
79 		       (ls)->ls_name , ##args); \
86 			(ls)->ls_name , ##args); \
118  * Save and manage recovery state for a lockspace.
136 	void			(*bastfn) (void *astparam, int mode);
137 	int			mode;  member
150  *                 (lkb_nodeid is non-zero and DLM_LKF_MSTCPY is not set)
152  *                 (lkb_nodeid is non-zero and DLM_LKF_MSTCPY is set)
157  * are sent as-is to the remote master when the lock is remote.
233 	int8_t			mode; /* rq mode of bast, gr mode of cast */  member
243 	void			(*bastfn)(void *astparam, int mode);
267 	int8_t			lkb_rqmode;	/* requested lock mode */
268 	int8_t			lkb_grmode;	/* granted lock mode */
269 	int8_t			lkb_highbast;	/* highest mode bast sent for */
293 	void			(*lkb_bastfn) (void *astparam, int mode);
302  * res_master_nodeid is "normal": 0 is unset/invalid, non-zero is the real
305  * res_nodeid is "odd": -1 is unset/invalid, zero means our_nodeid,
333 	struct list_head	res_root_list;	    /* used for recovery */
334 	struct list_head	res_masters_list;   /* used for recovery */
335 	struct list_head	res_recover_list;   /* used for recovery */
376 	__set_bit(flag, &r->res_flags);  in rsb_set_flag()
381 	__clear_bit(flag, &r->res_flags);  in rsb_clear_flag()
386 	return test_bit(flag, &r->res_flags);  in rsb_flag()
454 	__le32			m_result;	/* 0 or -EXXX */
480 	__le32			rc_result;	/* multi-purpose */
579 	   and on a slow list for recovery/dump iteration  */
596 	struct list_head	ls_nodes_gone;	/* dead node list, recovery */
627 	/* recovery related */
671  * LSFL_RECOVER_STOP - dlm_ls_stop() sets this to tell dlm recovery routines
672  * that they should abort what they're doing so new recovery can be started.
674  * LSFL_RECOVER_DOWN - dlm_ls_stop() sets this to tell dlm_recoverd that it
679  * LSFL_RECOVER_LOCK - dlm_recoverd holds the in_recovery rw_semaphore.
683  * LSFL_RECOVER_WORK - dlm_ls_start() sets this to tell dlm_recoverd that it
684  * should begin recovery of the lockspace.
686  * LSFL_RUNNING - set when normal locking activity is enabled.
688  * quit what they are doing so recovery can run.  dlm_recoverd sets
689  * 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()