diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/configfs.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/configfs.h b/include/linux/configfs.h index 3d4a96eb0e9b..def7c83d43a2 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h | |||
@@ -130,6 +130,22 @@ struct configfs_attribute { | |||
130 | mode_t ca_mode; | 130 | mode_t ca_mode; |
131 | }; | 131 | }; |
132 | 132 | ||
133 | /* | ||
134 | * Users often need to create attribute structures for their configurable | ||
135 | * attributes, containing a configfs_attribute member and function pointers | ||
136 | * for the show() and store() operations on that attribute. They can use | ||
137 | * this macro (similar to sysfs' __ATTR) to make defining attributes easier. | ||
138 | */ | ||
139 | #define __CONFIGFS_ATTR(_name, _mode, _show, _store) \ | ||
140 | { \ | ||
141 | .attr = { \ | ||
142 | .ca_name = __stringify(_name), \ | ||
143 | .ca_mode = _mode, \ | ||
144 | .ca_owner = THIS_MODULE, \ | ||
145 | }, \ | ||
146 | .show = _show, \ | ||
147 | .store = _store, \ | ||
148 | } | ||
133 | 149 | ||
134 | /* | 150 | /* |
135 | * If allow_link() exists, the item can symlink(2) out to other | 151 | * If allow_link() exists, the item can symlink(2) out to other |