errseq.c (c74a7469f97c0f40b46e82ee979f9fb1bb6e847c) errseq.c (aa6159ab99a9ab5df835b4750b66cf132a5aa292)
1// SPDX-License-Identifier: GPL-2.0
2#include <linux/err.h>
3#include <linux/bug.h>
4#include <linux/atomic.h>
5#include <linux/errseq.h>
1// SPDX-License-Identifier: GPL-2.0
2#include <linux/err.h>
3#include <linux/bug.h>
4#include <linux/atomic.h>
5#include <linux/errseq.h>
6#include <linux/log2.h>
6
7/*
8 * An errseq_t is a way of recording errors in one place, and allowing any
9 * number of "subscribers" to tell whether it has changed since a previous
10 * point where it was sampled.
11 *
12 * It's implemented as an unsigned 32-bit value. The low order bits are
13 * designated to hold an error code (between 0 and -MAX_ERRNO). The upper bits

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8/*
9 * An errseq_t is a way of recording errors in one place, and allowing any
10 * number of "subscribers" to tell whether it has changed since a previous
11 * point where it was sampled.
12 *
13 * It's implemented as an unsigned 32-bit value. The low order bits are
14 * designated to hold an error code (between 0 and -MAX_ERRNO). The upper bits

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