JFIF$        dd7 

Viewing File: /usr/src/kernels/5.14.0-570.32.1.el9_6.x86_64/include/linux/task_io_accounting_ops.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Task I/O accounting operations
 */
#ifndef __TASK_IO_ACCOUNTING_OPS_INCLUDED
#define __TASK_IO_ACCOUNTING_OPS_INCLUDED

#include <linux/sched.h>

#ifdef CONFIG_TASK_IO_ACCOUNTING
static inline void task_io_account_read(size_t bytes)
{
	current->ioac.read_bytes += bytes;
}

/*
 * We approximate number of blocks, because we account bytes only.
 * A 'block' is 512 bytes
 */
static inline unsigned long task_io_get_inblock(const struct task_struct *p)
{
	return p->ioac.read_bytes >> 9;
}

static inline void task_io_account_write(size_t bytes)
{
	current->ioac.write_bytes += bytes;
}

/*
 * We approximate number of blocks, because we account bytes only.
 * A 'block' is 512 bytes
 */
static inline unsigned long task_io_get_oublock(const struct task_struct *p)
{
	return p->ioac.write_bytes >> 9;
}

static inline void task_io_account_cancelled_write(size_t bytes)
{
	current->ioac.cancelled_write_bytes += bytes;
}

static inline void task_io_accounting_init(struct task_io_accounting *ioac)
{
	memset(ioac, 0, sizeof(*ioac));
}

static inline void task_blk_io_accounting_add(struct task_io_accounting *dst,
						struct task_io_accounting *src)
{
	dst->read_bytes += src->read_bytes;
	dst->write_bytes += src->write_bytes;
	dst->cancelled_write_bytes += src->cancelled_write_bytes;
}

#else

static inline void task_io_account_read(size_t bytes)
{
}

static inline unsigned long task_io_get_inblock(const struct task_struct *p)
{
	return 0;
}

static inline void task_io_account_write(size_t bytes)
{
}

static inline unsigned long task_io_get_oublock(const struct task_struct *p)
{
	return 0;
}

static inline void task_io_account_cancelled_write(size_t bytes)
{
}

static inline void task_io_accounting_init(struct task_io_accounting *ioac)
{
}

static inline void task_blk_io_accounting_add(struct task_io_accounting *dst,
						struct task_io_accounting *src)
{
}

#endif /* CONFIG_TASK_IO_ACCOUNTING */

#ifdef CONFIG_TASK_XACCT
static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
						struct task_io_accounting *src)
{
	dst->rchar += src->rchar;
	dst->wchar += src->wchar;
	dst->syscr += src->syscr;
	dst->syscw += src->syscw;
}
#else
static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
						struct task_io_accounting *src)
{
}
#endif /* CONFIG_TASK_XACCT */

static inline void task_io_accounting_add(struct task_io_accounting *dst,
						struct task_io_accounting *src)
{
	task_chr_io_accounting_add(dst, src);
	task_blk_io_accounting_add(dst, src);
}
#endif /* __TASK_IO_ACCOUNTING_OPS_INCLUDED */
Back to Directory  nL+D550H?Mx ,D"v]qv;6*Zqn)ZP0!1 A "#a$2Qr D8 a Ri[f\mIykIw0cuFcRı?lO7к_f˓[C$殷WF<_W ԣsKcëIzyQy/_LKℂ;C",pFA:/]=H  ~,ls/9ć:[=/#f;)x{ٛEQ )~ =𘙲r*2~ a _V=' kumFD}KYYC)({ *g&f`툪ry`=^cJ.I](*`wq1dđ#̩͑0;H]u搂@:~וKL Nsh}OIR*8:2 !lDJVo(3=M(zȰ+i*NAr6KnSl)!JJӁ* %݉?|D}d5:eP0R;{$X'xF@.ÊB {,WJuQɲRI;9QE琯62fT.DUJ;*cP A\ILNj!J۱+O\͔]ޒS߼Jȧc%ANolՎprULZԛerE2=XDXgVQeӓk yP7U*omQIs,K`)6\G3t?pgjrmۛجwluGtfh9uyP0D;Uڽ"OXlif$)&|ML0Zrm1[HXPlPR0'G=i2N+0e2]]9VTPO׮7h(F*癈'=QVZDF,d߬~TX G[`le69CR(!S2!P <0x<!1AQ "Raq02Br#SCTb ?Ζ"]mH5WR7k.ۛ!}Q~+yԏz|@T20S~Kek *zFf^2X*(@8r?CIuI|֓>^ExLgNUY+{.RѪ τV׸YTD I62'8Y27'\TP.6d&˦@Vqi|8-OΕ]ʔ U=TL8=;6c| !qfF3aů&~$l}'NWUs$Uk^SV:U# 6w++s&r+nڐ{@29 gL u"TÙM=6(^"7r}=6YݾlCuhquympǦ GjhsǜNlɻ}o7#S6aw4!OSrD57%|?x>L |/nD6?/8w#[)L7+6〼T ATg!%5MmZ/c-{1_Je"|^$'O&ޱմTrb$w)R$& N1EtdU3Uȉ1pM"N*(DNyd96.(jQ)X 5cQɎMyW?Q*!R>6=7)Xj5`J]e8%t!+'!1Q5 !1 AQaqё#2"0BRb?Gt^## .llQT $v,,m㵜5ubV =sY+@d{N! dnO<.-B;_wJt6;QJd.Qc%p{ 1,sNDdFHI0ГoXшe黅XۢF:)[FGXƹ/w_cMeD,ʡcc.WDtA$j@:) -# u c1<@ۗ9F)KJ-hpP]_x[qBlbpʖw q"LFGdƶ*s+ډ_Zc"?%t[IP 6J]#=ɺVvvCGsGh1 >)6|ey?Lӣm,4GWUi`]uJVoVDG< SB6ϏQ@ TiUlyOU0kfV~~}SZ@*WUUi##; s/[=!7}"WN]'(L! ~y5g9T̅JkbM' +s:S +B)v@Mj e Cf jE 0Y\QnzG1д~Wo{T9?`Rmyhsy3!HAD]mc1~2LSu7xT;j$`}4->L#vzŏILS ֭T{rjGKC;bpU=-`BsK.SFw4Mq]ZdHS0)tLg