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26ca39015e
Most offset macro mess is used in xfs_stats_format() only, and we can simply get the right offsets using offsetof(), instead of several macros to mark the offsets inside __xfsstats structure. Replace all XFSSTAT_END_* macros by a single helper macro to get the right offset into __xfsstats, and use this helper in xfs_stats_format() directly. The quota stats code, still looks a bit cleaner when using XFSSTAT_* macros, so, this patch also defines XFSSTAT_START_XQMSTAT and XFSSTAT_END_XQMSTAT locally to that code. This also should prevent offset mistakes when updates are done into __xfsstats. Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
218 lines
5.7 KiB
C
218 lines
5.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2000,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#ifndef __XFS_STATS_H__
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#define __XFS_STATS_H__
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#include <linux/percpu.h>
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/*
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* The btree stats arrays have fixed offsets for the different stats. We
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* store the base index in the btree cursor via XFS_STATS_CALC_INDEX() and
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* that allows us to use fixed offsets into the stats array for each btree
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* stat. These index offsets are defined in the order they will be emitted
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* in the stats files, so it is possible to add new btree stat types by
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* appending to the enum list below.
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*/
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enum {
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__XBTS_lookup = 0,
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__XBTS_compare = 1,
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__XBTS_insrec = 2,
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__XBTS_delrec = 3,
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__XBTS_newroot = 4,
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__XBTS_killroot = 5,
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__XBTS_increment = 6,
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__XBTS_decrement = 7,
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__XBTS_lshift = 8,
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__XBTS_rshift = 9,
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__XBTS_split = 10,
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__XBTS_join = 11,
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__XBTS_alloc = 12,
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__XBTS_free = 13,
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__XBTS_moves = 14,
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__XBTS_MAX = 15,
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};
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/*
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* XFS global statistics
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*/
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struct __xfsstats {
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uint32_t xs_allocx;
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uint32_t xs_allocb;
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uint32_t xs_freex;
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uint32_t xs_freeb;
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uint32_t xs_abt_lookup;
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uint32_t xs_abt_compare;
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uint32_t xs_abt_insrec;
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uint32_t xs_abt_delrec;
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uint32_t xs_blk_mapr;
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uint32_t xs_blk_mapw;
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uint32_t xs_blk_unmap;
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uint32_t xs_add_exlist;
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uint32_t xs_del_exlist;
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uint32_t xs_look_exlist;
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uint32_t xs_cmp_exlist;
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uint32_t xs_bmbt_lookup;
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uint32_t xs_bmbt_compare;
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uint32_t xs_bmbt_insrec;
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uint32_t xs_bmbt_delrec;
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uint32_t xs_dir_lookup;
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uint32_t xs_dir_create;
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uint32_t xs_dir_remove;
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uint32_t xs_dir_getdents;
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uint32_t xs_trans_sync;
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uint32_t xs_trans_async;
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uint32_t xs_trans_empty;
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uint32_t xs_ig_attempts;
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uint32_t xs_ig_found;
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uint32_t xs_ig_frecycle;
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uint32_t xs_ig_missed;
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uint32_t xs_ig_dup;
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uint32_t xs_ig_reclaims;
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uint32_t xs_ig_attrchg;
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uint32_t xs_log_writes;
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uint32_t xs_log_blocks;
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uint32_t xs_log_noiclogs;
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uint32_t xs_log_force;
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uint32_t xs_log_force_sleep;
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uint32_t xs_try_logspace;
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uint32_t xs_sleep_logspace;
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uint32_t xs_push_ail;
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uint32_t xs_push_ail_success;
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uint32_t xs_push_ail_pushbuf;
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uint32_t xs_push_ail_pinned;
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uint32_t xs_push_ail_locked;
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uint32_t xs_push_ail_flushing;
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uint32_t xs_push_ail_restarts;
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uint32_t xs_push_ail_flush;
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uint32_t xs_xstrat_quick;
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uint32_t xs_xstrat_split;
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uint32_t xs_write_calls;
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uint32_t xs_read_calls;
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uint32_t xs_attr_get;
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uint32_t xs_attr_set;
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uint32_t xs_attr_remove;
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uint32_t xs_attr_list;
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uint32_t xs_iflush_count;
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uint32_t xs_icluster_flushcnt;
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uint32_t xs_icluster_flushinode;
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uint32_t vn_active; /* # vnodes not on free lists */
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uint32_t vn_alloc; /* # times vn_alloc called */
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uint32_t vn_get; /* # times vn_get called */
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uint32_t vn_hold; /* # times vn_hold called */
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uint32_t vn_rele; /* # times vn_rele called */
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uint32_t vn_reclaim; /* # times vn_reclaim called */
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uint32_t vn_remove; /* # times vn_remove called */
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uint32_t vn_free; /* # times vn_free called */
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uint32_t xb_get;
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uint32_t xb_create;
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uint32_t xb_get_locked;
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uint32_t xb_get_locked_waited;
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uint32_t xb_busy_locked;
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uint32_t xb_miss_locked;
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uint32_t xb_page_retries;
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uint32_t xb_page_found;
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uint32_t xb_get_read;
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/* Version 2 btree counters */
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uint32_t xs_abtb_2[__XBTS_MAX];
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uint32_t xs_abtc_2[__XBTS_MAX];
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uint32_t xs_bmbt_2[__XBTS_MAX];
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uint32_t xs_ibt_2[__XBTS_MAX];
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uint32_t xs_fibt_2[__XBTS_MAX];
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uint32_t xs_rmap_2[__XBTS_MAX];
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uint32_t xs_refcbt_2[__XBTS_MAX];
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uint32_t xs_qm_dqreclaims;
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uint32_t xs_qm_dqreclaim_misses;
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uint32_t xs_qm_dquot_dups;
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uint32_t xs_qm_dqcachemisses;
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uint32_t xs_qm_dqcachehits;
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uint32_t xs_qm_dqwants;
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uint32_t xs_qm_dquot;
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uint32_t xs_qm_dquot_unused;
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/* Extra precision counters */
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uint64_t xs_xstrat_bytes;
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uint64_t xs_write_bytes;
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uint64_t xs_read_bytes;
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};
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#define xfsstats_offset(f) (offsetof(struct __xfsstats, f)/sizeof(uint32_t))
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struct xfsstats {
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union {
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struct __xfsstats s;
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uint32_t a[xfsstats_offset(xs_qm_dquot)];
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};
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};
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/*
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* simple wrapper for getting the array index of s struct member offset
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*/
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#define XFS_STATS_CALC_INDEX(member) \
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(offsetof(struct __xfsstats, member) / (int)sizeof(uint32_t))
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int xfs_stats_format(struct xfsstats __percpu *stats, char *buf);
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void xfs_stats_clearall(struct xfsstats __percpu *stats);
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extern struct xstats xfsstats;
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#define XFS_STATS_INC(mp, v) \
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do { \
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per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v++; \
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per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v++; \
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} while (0)
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#define XFS_STATS_DEC(mp, v) \
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do { \
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per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v--; \
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per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v--; \
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} while (0)
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#define XFS_STATS_ADD(mp, v, inc) \
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do { \
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per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v += (inc); \
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per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v += (inc); \
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} while (0)
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#define XFS_STATS_INC_OFF(mp, off) \
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do { \
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per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]++; \
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per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]++; \
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} while (0)
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#define XFS_STATS_DEC_OFF(mp, off) \
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do { \
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per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]; \
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per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]; \
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} while (0)
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#define XFS_STATS_ADD_OFF(mp, off, inc) \
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do { \
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per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off] += (inc); \
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per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off] += (inc); \
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} while (0)
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#if defined(CONFIG_PROC_FS)
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extern int xfs_init_procfs(void);
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extern void xfs_cleanup_procfs(void);
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#else /* !CONFIG_PROC_FS */
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static inline int xfs_init_procfs(void)
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{
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return 0;
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}
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static inline void xfs_cleanup_procfs(void)
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{
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}
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#endif /* !CONFIG_PROC_FS */
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#endif /* __XFS_STATS_H__ */
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