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sysfs: implement all BIN_ATTR_* macros in terms of __BIN_ATTR()

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The preparations for the upcoming constification of struct bin_attribute
requires some logic in the structure definition macros.
To avoid duplication of that logic in multiple macros, reimplement all
other macros in terms of __BIN_ATTR().

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Krzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/20241103-sysfs-const-bin_attr-v2-8-71110628844c@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Weißschuh 2024-11-03 17:03:37 +00:00 committed by Greg Kroah-Hartman
parent 699e7b85af
commit ae587a5099
1 changed files with 8 additions and 19 deletions
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27
include/linux/sysfs.h
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@ -333,17 +333,11 @@ struct bin_attribute {
.size = _size, \
}
#define __BIN_ATTR_RO(_name, _size) { \
.attr = { .name = __stringify(_name), .mode = 0444 }, \
.read = _name##_read, \
.size = _size, \
}
#define __BIN_ATTR_RO(_name, _size) \
__BIN_ATTR(_name, 0444, _name##_read, NULL, _size)
#define __BIN_ATTR_WO(_name, _size) { \
.attr = { .name = __stringify(_name), .mode = 0200 }, \
.write = _name##_write, \
.size = _size, \
}
#define __BIN_ATTR_WO(_name, _size) \
__BIN_ATTR(_name, 0200, NULL, _name##_write, _size)
#define __BIN_ATTR_RW(_name, _size) \
__BIN_ATTR(_name, 0644, _name##_read, _name##_write, _size)
@ -364,11 +358,8 @@ struct bin_attribute bin_attr_##_name = __BIN_ATTR_WO(_name, _size)
struct bin_attribute bin_attr_##_name = __BIN_ATTR_RW(_name, _size)
#define __BIN_ATTR_ADMIN_RO(_name, _size) { \
.attr = { .name = __stringify(_name), .mode = 0400 }, \
.read = _name##_read, \
.size = _size, \
}
#define __BIN_ATTR_ADMIN_RO(_name, _size) \
__BIN_ATTR(_name, 0400, _name##_read, NULL, _size)
#define __BIN_ATTR_ADMIN_RW(_name, _size) \
__BIN_ATTR(_name, 0600, _name##_read, _name##_write, _size)
@ -379,10 +370,8 @@ struct bin_attribute bin_attr_##_name = __BIN_ATTR_ADMIN_RO(_name, _size)
#define BIN_ATTR_ADMIN_RW(_name, _size) \
struct bin_attribute bin_attr_##_name = __BIN_ATTR_ADMIN_RW(_name, _size)
#define __BIN_ATTR_SIMPLE_RO(_name, _mode) { \
.attr = { .name = __stringify(_name), .mode = _mode }, \
.read = sysfs_bin_attr_simple_read, \
}
#define __BIN_ATTR_SIMPLE_RO(_name, _mode) \
__BIN_ATTR(_name, _mode, sysfs_bin_attr_simple_read, NULL, 0)
#define BIN_ATTR_SIMPLE_RO(_name) \
struct bin_attribute bin_attr_##_name = __BIN_ATTR_SIMPLE_RO(_name, 0444)