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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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3792ce973f
Before this patch, if a glock error was encountered, the glock with the problem was dumped. But sometimes you may have lots of file systems mounted, and that doesn't tell you which file system it was for. This patch adds a new boolean parameter fsid to the dump_glock family of functions. For non-error cases, such as dumping the glocks debugfs file, the fsid is not dumped in order to keep lock dumps and glocktop as clean as possible. For all error cases, such as GLOCK_BUG_ON, the file system id is now printed. This will make it easier to debug. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
94 lines
3.4 KiB
C
94 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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* Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
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*/
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#ifndef __RGRP_DOT_H__
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#define __RGRP_DOT_H__
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#include <linux/slab.h>
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#include <linux/uaccess.h>
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/* Since each block in the file system is represented by two bits in the
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* bitmap, one 64-bit word in the bitmap will represent 32 blocks.
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* By reserving 32 blocks at a time, we can optimize / shortcut how we search
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* through the bitmaps by looking a word at a time.
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*/
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#define RGRP_RSRV_MINBLKS 32
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#define RGRP_RSRV_ADDBLKS 64
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struct gfs2_rgrpd;
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struct gfs2_sbd;
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struct gfs2_holder;
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extern void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
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extern struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk, bool exact);
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extern struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
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extern struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
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extern void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
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extern int gfs2_rindex_update(struct gfs2_sbd *sdp);
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extern void gfs2_free_clones(struct gfs2_rgrpd *rgd);
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extern int gfs2_rgrp_go_lock(struct gfs2_holder *gh);
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extern void gfs2_rgrp_brelse(struct gfs2_rgrpd *rgd);
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extern void gfs2_rgrp_go_unlock(struct gfs2_holder *gh);
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extern struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
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#define GFS2_AF_ORLOV 1
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extern int gfs2_inplace_reserve(struct gfs2_inode *ip,
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struct gfs2_alloc_parms *ap);
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extern void gfs2_inplace_release(struct gfs2_inode *ip);
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extern int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n,
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bool dinode, u64 *generation);
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extern int gfs2_rsqa_alloc(struct gfs2_inode *ip);
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extern void gfs2_rs_deltree(struct gfs2_blkreserv *rs);
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extern void gfs2_rsqa_delete(struct gfs2_inode *ip, atomic_t *wcount);
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extern void __gfs2_free_blocks(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
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u64 bstart, u32 blen, int meta);
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extern void gfs2_free_meta(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
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u64 bstart, u32 blen);
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extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
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extern void gfs2_unlink_di(struct inode *inode);
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extern int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr,
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unsigned int type);
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struct gfs2_rgrp_list {
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unsigned int rl_rgrps;
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unsigned int rl_space;
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struct gfs2_rgrpd **rl_rgd;
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struct gfs2_holder *rl_ghs;
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};
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extern void gfs2_rlist_add(struct gfs2_inode *ip, struct gfs2_rgrp_list *rlist,
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u64 block);
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extern void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist);
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extern void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
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extern u64 gfs2_ri_total(struct gfs2_sbd *sdp);
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extern void gfs2_rgrp_dump(struct seq_file *seq, struct gfs2_glock *gl,
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const char *fs_id_buf);
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extern int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
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struct buffer_head *bh,
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const struct gfs2_bitmap *bi, unsigned minlen, u64 *ptrimmed);
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extern int gfs2_fitrim(struct file *filp, void __user *argp);
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/* This is how to tell if a reservation is in the rgrp tree: */
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static inline bool gfs2_rs_active(const struct gfs2_blkreserv *rs)
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{
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return rs && !RB_EMPTY_NODE(&rs->rs_node);
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}
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static inline int rgrp_contains_block(struct gfs2_rgrpd *rgd, u64 block)
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{
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u64 first = rgd->rd_data0;
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u64 last = first + rgd->rd_data;
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return first <= block && block < last;
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}
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extern void check_and_update_goal(struct gfs2_inode *ip);
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#endif /* __RGRP_DOT_H__ */
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