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linux_dsm_epyc7002/fs/xfs/xfs_stats.h
Dave Chinner 0b61f8a407 xfs: convert to SPDX license tags 
Remove the verbose license text from XFS files and replace them
with SPDX tags. This does not change the license of any of the code,
merely refers to the common, up-to-date license files in LICENSES/

This change was mostly scripted. fs/xfs/Makefile and
fs/xfs/libxfs/xfs_fs.h were modified by hand, the rest were detected
and modified by the following command:

for f in `git grep -l "GNU General" fs/xfs/` ; do
	echo $f
	cat $f | awk -f hdr.awk > $f.new
	mv -f $f.new $f
done

And the hdr.awk script that did the modification (including
detecting the difference between GPL-2.0 and GPL-2.0+ licenses)
is as follows:

$ cat hdr.awk
BEGIN {
	hdr = 1.0
	tag = "GPL-2.0"
	str = ""
}

/^ \* This program is free software/ {
	hdr = 2.0;
	next
}

/any later version./ {
	tag = "GPL-2.0+"
	next
}

/^ \*\// {
	if (hdr > 0.0) {
		print "// SPDX-License-Identifier: " tag
		print str
		print $0
		str=""
		hdr = 0.0
		next
	}
	print $0
	next
}

/^ \* / {
	if (hdr > 1.0)
		next
	if (hdr > 0.0) {
		if (str != "")
			str = str "\n"
		str = str $0
		next
	}
	print $0
	next
}

/^ \*/ {
	if (hdr > 0.0)
		next
	print $0
	next
}

// {
	if (hdr > 0.0) {
		if (str != "")
			str = str "\n"
		str = str $0
		next
	}
	print $0
}

END { }
$

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2018-06-06 14:17:53 -07:00

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000,2005 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#ifndef __XFS_STATS_H__
#define __XFS_STATS_H__
#include <linux/percpu.h>
/*
* The btree stats arrays have fixed offsets for the different stats. We
* store the base index in the btree cursor via XFS_STATS_CALC_INDEX() and
* that allows us to use fixed offsets into the stats array for each btree
* stat. These index offsets are defined in the order they will be emitted
* in the stats files, so it is possible to add new btree stat types by
* appending to the enum list below.
*/
enum {
__XBTS_lookup = 0,
__XBTS_compare = 1,
__XBTS_insrec = 2,
__XBTS_delrec = 3,
__XBTS_newroot = 4,
__XBTS_killroot = 5,
__XBTS_increment = 6,
__XBTS_decrement = 7,
__XBTS_lshift = 8,
__XBTS_rshift = 9,
__XBTS_split = 10,
__XBTS_join = 11,
__XBTS_alloc = 12,
__XBTS_free = 13,
__XBTS_moves = 14,
__XBTS_MAX = 15,
};
/*
* XFS global statistics
*/
struct __xfsstats {
# define XFSSTAT_END_EXTENT_ALLOC 4
uint32_t xs_allocx;
uint32_t xs_allocb;
uint32_t xs_freex;
uint32_t xs_freeb;
# define XFSSTAT_END_ALLOC_BTREE (XFSSTAT_END_EXTENT_ALLOC+4)
uint32_t xs_abt_lookup;
uint32_t xs_abt_compare;
uint32_t xs_abt_insrec;
uint32_t xs_abt_delrec;
# define XFSSTAT_END_BLOCK_MAPPING (XFSSTAT_END_ALLOC_BTREE+7)
uint32_t xs_blk_mapr;
uint32_t xs_blk_mapw;
uint32_t xs_blk_unmap;
uint32_t xs_add_exlist;
uint32_t xs_del_exlist;
uint32_t xs_look_exlist;
uint32_t xs_cmp_exlist;
# define XFSSTAT_END_BLOCK_MAP_BTREE (XFSSTAT_END_BLOCK_MAPPING+4)
uint32_t xs_bmbt_lookup;
uint32_t xs_bmbt_compare;
uint32_t xs_bmbt_insrec;
uint32_t xs_bmbt_delrec;
# define XFSSTAT_END_DIRECTORY_OPS (XFSSTAT_END_BLOCK_MAP_BTREE+4)
uint32_t xs_dir_lookup;
uint32_t xs_dir_create;
uint32_t xs_dir_remove;
uint32_t xs_dir_getdents;
# define XFSSTAT_END_TRANSACTIONS (XFSSTAT_END_DIRECTORY_OPS+3)
uint32_t xs_trans_sync;
uint32_t xs_trans_async;
uint32_t xs_trans_empty;
# define XFSSTAT_END_INODE_OPS (XFSSTAT_END_TRANSACTIONS+7)
uint32_t xs_ig_attempts;
uint32_t xs_ig_found;
uint32_t xs_ig_frecycle;
uint32_t xs_ig_missed;
uint32_t xs_ig_dup;
uint32_t xs_ig_reclaims;
uint32_t xs_ig_attrchg;
# define XFSSTAT_END_LOG_OPS (XFSSTAT_END_INODE_OPS+5)
uint32_t xs_log_writes;
uint32_t xs_log_blocks;
uint32_t xs_log_noiclogs;
uint32_t xs_log_force;
uint32_t xs_log_force_sleep;
# define XFSSTAT_END_TAIL_PUSHING (XFSSTAT_END_LOG_OPS+10)
uint32_t xs_try_logspace;
uint32_t xs_sleep_logspace;
uint32_t xs_push_ail;
uint32_t xs_push_ail_success;
uint32_t xs_push_ail_pushbuf;
uint32_t xs_push_ail_pinned;
uint32_t xs_push_ail_locked;
uint32_t xs_push_ail_flushing;
uint32_t xs_push_ail_restarts;
uint32_t xs_push_ail_flush;
# define XFSSTAT_END_WRITE_CONVERT (XFSSTAT_END_TAIL_PUSHING+2)
uint32_t xs_xstrat_quick;
uint32_t xs_xstrat_split;
# define XFSSTAT_END_READ_WRITE_OPS (XFSSTAT_END_WRITE_CONVERT+2)
uint32_t xs_write_calls;
uint32_t xs_read_calls;
# define XFSSTAT_END_ATTRIBUTE_OPS (XFSSTAT_END_READ_WRITE_OPS+4)
uint32_t xs_attr_get;
uint32_t xs_attr_set;
uint32_t xs_attr_remove;
uint32_t xs_attr_list;
# define XFSSTAT_END_INODE_CLUSTER (XFSSTAT_END_ATTRIBUTE_OPS+3)
uint32_t xs_iflush_count;
uint32_t xs_icluster_flushcnt;
uint32_t xs_icluster_flushinode;
# define XFSSTAT_END_VNODE_OPS (XFSSTAT_END_INODE_CLUSTER+8)
uint32_t vn_active; /* # vnodes not on free lists */
uint32_t vn_alloc; /* # times vn_alloc called */
uint32_t vn_get; /* # times vn_get called */
uint32_t vn_hold; /* # times vn_hold called */
uint32_t vn_rele; /* # times vn_rele called */
uint32_t vn_reclaim; /* # times vn_reclaim called */
uint32_t vn_remove; /* # times vn_remove called */
uint32_t vn_free; /* # times vn_free called */
#define XFSSTAT_END_BUF (XFSSTAT_END_VNODE_OPS+9)
uint32_t xb_get;
uint32_t xb_create;
uint32_t xb_get_locked;
uint32_t xb_get_locked_waited;
uint32_t xb_busy_locked;
uint32_t xb_miss_locked;
uint32_t xb_page_retries;
uint32_t xb_page_found;
uint32_t xb_get_read;
/* Version 2 btree counters */
#define XFSSTAT_END_ABTB_V2 (XFSSTAT_END_BUF + __XBTS_MAX)
uint32_t xs_abtb_2[__XBTS_MAX];
#define XFSSTAT_END_ABTC_V2 (XFSSTAT_END_ABTB_V2 + __XBTS_MAX)
uint32_t xs_abtc_2[__XBTS_MAX];
#define XFSSTAT_END_BMBT_V2 (XFSSTAT_END_ABTC_V2 + __XBTS_MAX)
uint32_t xs_bmbt_2[__XBTS_MAX];
#define XFSSTAT_END_IBT_V2 (XFSSTAT_END_BMBT_V2 + __XBTS_MAX)
uint32_t xs_ibt_2[__XBTS_MAX];
#define XFSSTAT_END_FIBT_V2 (XFSSTAT_END_IBT_V2 + __XBTS_MAX)
uint32_t xs_fibt_2[__XBTS_MAX];
#define XFSSTAT_END_RMAP_V2 (XFSSTAT_END_FIBT_V2 + __XBTS_MAX)
uint32_t xs_rmap_2[__XBTS_MAX];
#define XFSSTAT_END_REFCOUNT (XFSSTAT_END_RMAP_V2 + __XBTS_MAX)
uint32_t xs_refcbt_2[__XBTS_MAX];
#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_REFCOUNT + 6)
uint32_t xs_qm_dqreclaims;
uint32_t xs_qm_dqreclaim_misses;
uint32_t xs_qm_dquot_dups;
uint32_t xs_qm_dqcachemisses;
uint32_t xs_qm_dqcachehits;
uint32_t xs_qm_dqwants;
#define XFSSTAT_END_QM (XFSSTAT_END_XQMSTAT+2)
uint32_t xs_qm_dquot;
uint32_t xs_qm_dquot_unused;
/* Extra precision counters */
uint64_t xs_xstrat_bytes;
uint64_t xs_write_bytes;
uint64_t xs_read_bytes;
};
struct xfsstats {
union {
struct __xfsstats s;
uint32_t a[XFSSTAT_END_XQMSTAT];
};
};
/*
* simple wrapper for getting the array index of s struct member offset
*/
#define XFS_STATS_CALC_INDEX(member) \
(offsetof(struct __xfsstats, member) / (int)sizeof(uint32_t))
int xfs_stats_format(struct xfsstats __percpu *stats, char *buf);
void xfs_stats_clearall(struct xfsstats __percpu *stats);
extern struct xstats xfsstats;
#define XFS_STATS_INC(mp, v) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v++; \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v++; \
} while (0)
#define XFS_STATS_DEC(mp, v) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v--; \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v--; \
} while (0)
#define XFS_STATS_ADD(mp, v, inc) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v += (inc); \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v += (inc); \
} while (0)
#define XFS_STATS_INC_OFF(mp, off) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]++; \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]++; \
} while (0)
#define XFS_STATS_DEC_OFF(mp, off) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]; \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]; \
} while (0)
#define XFS_STATS_ADD_OFF(mp, off, inc) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off] += (inc); \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off] += (inc); \
} while (0)
#if defined(CONFIG_PROC_FS)
extern int xfs_init_procfs(void);
extern void xfs_cleanup_procfs(void);
#else /* !CONFIG_PROC_FS */
static inline int xfs_init_procfs(void)
{
return 0;
}
static inline void xfs_cleanup_procfs(void)
{
}
#endif /* !CONFIG_PROC_FS */
#endif /* __XFS_STATS_H__ */
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