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| author | Andi Shyti <andi.shyti@linux.intel.com> | 2026-08-22 14:19:12 +0200 |
|---|---|---|
| committer | Andi Shyti <andi.shyti@linux.intel.com> | 2026-08-22 14:19:34 +0200 |
| commit | d576a9561a1c80ae593539fb0ce0743d66825ac2 (patch) | |
| tree | 68f6de7e06b350afa42edeea2f7f33f086014597 /drivers/md/bcache/sysfs.h | |
| download | linux-stable-d576a9561a1c80ae593539fb0ce0743d66825ac2.tar.gz linux-stable-d576a9561a1c80ae593539fb0ce0743d66825ac2.zip | |
Merge tag 'rust-i2c-for-7.3' into i2c/i2cgrafted
i2c: rust: mark I2cAdapter methods as inline
A single cleanup for the Rust I2C abstractions, targeting 7.3.
`I2cAdapter::get`, `inc_ref`, and `dec_ref` are trivial wrappers around
`i2c_get_adapter`/`i2c_put_adapter` and were showing up as their own
symbols in the build. Mark them `#[inline]` so they get folded into
their callers instead.
Signed-off-by: Igor Korotin <igor.korotin@linux.dev>
* tag 'rust-i2c-for-7.3':
i2c: rust: mark I2cAdapter methods as inline
Diffstat (limited to 'drivers/md/bcache/sysfs.h')
| -rw-r--r-- | drivers/md/bcache/sysfs.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/md/bcache/sysfs.h b/drivers/md/bcache/sysfs.h new file mode 100644 index 000000000..65b8bd975 --- /dev/null +++ b/drivers/md/bcache/sysfs.h @@ -0,0 +1,142 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHE_SYSFS_H_ +#define _BCACHE_SYSFS_H_ + +#define KTYPE(type) \ +const struct kobj_type type ## _ktype = { \ + .release = type ## _release, \ + .sysfs_ops = &((const struct sysfs_ops) { \ + .show = type ## _show, \ + .store = type ## _store \ + }), \ + .default_groups = type ## _groups \ +} + +#define SHOW(fn) \ +static ssize_t fn ## _show(struct kobject *kobj, struct attribute *attr,\ + char *buf) \ + +#define STORE(fn) \ +static ssize_t fn ## _store(struct kobject *kobj, struct attribute *attr,\ + const char *buf, size_t size) \ + +#define SHOW_LOCKED(fn) \ +SHOW(fn) \ +{ \ + ssize_t ret; \ + mutex_lock(&bch_register_lock); \ + ret = __ ## fn ## _show(kobj, attr, buf); \ + mutex_unlock(&bch_register_lock); \ + return ret; \ +} + +#define STORE_LOCKED(fn) \ +STORE(fn) \ +{ \ + ssize_t ret; \ + mutex_lock(&bch_register_lock); \ + ret = __ ## fn ## _store(kobj, attr, buf, size); \ + mutex_unlock(&bch_register_lock); \ + return ret; \ +} + +#define __sysfs_attribute(_name, _mode) \ + static struct attribute sysfs_##_name = \ + { .name = #_name, .mode = _mode } + +#define write_attribute(n) __sysfs_attribute(n, 0200) +#define read_attribute(n) __sysfs_attribute(n, 0444) +#define rw_attribute(n) __sysfs_attribute(n, 0644) + +#define sysfs_printf(file, fmt, ...) \ +do { \ + if (attr == &sysfs_ ## file) \ + return sysfs_emit(buf, fmt "\n", __VA_ARGS__); \ +} while (0) + +#define sysfs_print(file, var) \ +do { \ + if (attr == &sysfs_ ## file) \ + return sysfs_emit(buf, \ + __builtin_types_compatible_p(typeof(var), int) \ + ? "%i\n" : \ + __builtin_types_compatible_p(typeof(var), unsigned int) \ + ? "%u\n" : \ + __builtin_types_compatible_p(typeof(var), long) \ + ? "%li\n" : \ + __builtin_types_compatible_p(typeof(var), unsigned long)\ + ? "%lu\n" : \ + __builtin_types_compatible_p(typeof(var), int64_t) \ + ? "%lli\n" : \ + __builtin_types_compatible_p(typeof(var), uint64_t) \ + ? "%llu\n" : \ + __builtin_types_compatible_p(typeof(var), const char *) \ + ? "%s\n" : "%i\n", var); \ +} while (0) + +#define sysfs_hprint(file, val) \ +do { \ + if (attr == &sysfs_ ## file) { \ + ssize_t ret = bch_hprint(buf, val); \ + strcat(buf, "\n"); \ + return ret + 1; \ + } \ +} while (0) + +#define var_printf(_var, fmt) sysfs_printf(_var, fmt, var(_var)) +#define var_print(_var) sysfs_print(_var, var(_var)) +#define var_hprint(_var) sysfs_hprint(_var, var(_var)) + +#define sysfs_strtoul(file, var) \ +do { \ + if (attr == &sysfs_ ## file) \ + return strtoul_safe(buf, var) ?: (ssize_t) size; \ +} while (0) + +#define sysfs_strtoul_bool(file, var) \ +do { \ + if (attr == &sysfs_ ## file) { \ + unsigned long v = strtoul_or_return(buf); \ + \ + var = v ? 1 : 0; \ + return size; \ + } \ +} while (0) + +#define sysfs_strtoul_clamp(file, var, min, max) \ +do { \ + if (attr == &sysfs_ ## file) { \ + unsigned long v = 0; \ + ssize_t ret; \ + ret = strtoul_safe_clamp(buf, v, min, max); \ + if (!ret) { \ + var = v; \ + return size; \ + } \ + return ret; \ + } \ +} while (0) + +#define strtoul_or_return(cp) \ +({ \ + unsigned long _v; \ + int _r = kstrtoul(cp, 10, &_v); \ + if (_r) \ + return _r; \ + _v; \ +}) + +#define strtoi_h_or_return(cp, v) \ +do { \ + int _r = strtoi_h(cp, &v); \ + if (_r) \ + return _r; \ +} while (0) + +#define sysfs_hatoi(file, var) \ +do { \ + if (attr == &sysfs_ ## file) \ + return strtoi_h(buf, &var) ?: (ssize_t) size; \ +} while (0) + +#endif /* _BCACHE_SYSFS_H_ */ |
