Blame - fs/gfs2/rgrp.h - kernel/msm-4.9

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David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	1	/*
				2	* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
Steven Whitehouse	3a8a9a1	2006-05-18 15:09:15 -0400	[diff] [blame]	3	* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	4	*
				5	* This copyrighted material is made available to anyone wishing to use,
				6	* modify, copy, or redistribute it subject to the terms and conditions
Steven Whitehouse	e9fc2aa	2006-09-01 11:05:15 -0400	[diff] [blame]	7	* of the GNU General Public License version 2.
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	8	*/
				9
				10	#ifndef __RGRP_DOT_H__
				11	#define __RGRP_DOT_H__
				12
Steven Whitehouse	f2f7ba5	2006-09-05 10:39:21 -0400	[diff] [blame]	13	struct gfs2_rgrpd;
				14	struct gfs2_sbd;
				15	struct gfs2_holder;
				16
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	17	void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
				18
Steven Whitehouse	cd91549	2006-09-04 12:49:07 -0400	[diff] [blame]	19	struct gfs2_rgrpd gfs2_blk2rgrpd(struct gfs2_sbd sdp, u64 blk);
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	20	struct gfs2_rgrpd gfs2_rgrpd_get_first(struct gfs2_sbd sdp);
				21	struct gfs2_rgrpd gfs2_rgrpd_get_next(struct gfs2_rgrpd rgd);
				22
				23	void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
				24	int gfs2_rindex_hold(struct gfs2_sbd sdp, struct gfs2_holder ri_gh);
				25
				26	int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd);
				27	void gfs2_rgrp_bh_hold(struct gfs2_rgrpd *rgd);
				28	void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd);
				29
				30	void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd);
				31
				32	struct gfs2_alloc gfs2_alloc_get(struct gfs2_inode ip);
Steven Whitehouse	2c1e52a	2006-09-05 15:41:57 -0400	[diff] [blame]	33	static inline void gfs2_alloc_put(struct gfs2_inode *ip)
				34	{
Steven Whitehouse	6dbd822	2008-01-10 15:18:55 +0000	[diff] [blame^]	35	BUG_ON(ip->i_alloc == NULL);
				36	kfree(ip->i_alloc);
				37	ip->i_alloc = NULL;
Steven Whitehouse	2c1e52a	2006-09-05 15:41:57 -0400	[diff] [blame]	38	}
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	39
				40	int gfs2_inplace_reserve_i(struct gfs2_inode *ip,
				41	char *file, unsigned int line);
				42	#define gfs2_inplace_reserve(ip) \
				43	gfs2_inplace_reserve_i((ip), __FILE__, __LINE__)
				44
				45	void gfs2_inplace_release(struct gfs2_inode *ip);
				46
Steven Whitehouse	cd91549	2006-09-04 12:49:07 -0400	[diff] [blame]	47	unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, u64 block);
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	48
Steven Whitehouse	4340fe6	2006-07-11 09:46:33 -0400	[diff] [blame]	49	u64 gfs2_alloc_data(struct gfs2_inode *ip);
				50	u64 gfs2_alloc_meta(struct gfs2_inode *ip);
				51	u64 gfs2_alloc_di(struct gfs2_inode ip, u64 generation);
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	52
Steven Whitehouse	cd91549	2006-09-04 12:49:07 -0400	[diff] [blame]	53	void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen);
				54	void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen);
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	55	void gfs2_free_di(struct gfs2_rgrpd rgd, struct gfs2_inode ip);
Steven Whitehouse	feaa7bb	2006-06-14 15:32:57 -0400	[diff] [blame]	56	void gfs2_unlink_di(struct inode *inode);
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	57
				58	struct gfs2_rgrp_list {
				59	unsigned int rl_rgrps;
				60	unsigned int rl_space;
				61	struct gfs2_rgrpd **rl_rgd;
				62	struct gfs2_holder *rl_ghs;
				63	};
				64
				65	void gfs2_rlist_add(struct gfs2_sbd sdp, struct gfs2_rgrp_list rlist,
Steven Whitehouse	cd91549	2006-09-04 12:49:07 -0400	[diff] [blame]	66	u64 block);
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	67	void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state,
				68	int flags);
				69	void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
Robert Peterson	cd81a4b	2007-05-14 12:42:18 -0500	[diff] [blame]	70	u64 gfs2_ri_total(struct gfs2_sbd *sdp);
David Teigland	b3b94fa	2006-01-16 16:50:04 +0000	[diff] [blame]	71
				72	#endif /* __RGRP_DOT_H__ */