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| author | Jiri Olsa <jolsa@kernel.org> | 2019-05-12 17:55:10 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-06-03 11:58:20 +0200 |
| commit | aac1f7f95f115d5a5329be05b80022e72df7d080 (patch) | |
| tree | 85a5b4d0b54b418b8a1ba7c1f7aa769508c61a1f /include/linux/sysfs.h | |
| parent | 6e86d3db5f8fb69eea76cc496c3c3da19c855aa9 (diff) | |
| download | lwn-aac1f7f95f115d5a5329be05b80022e72df7d080.tar.gz lwn-aac1f7f95f115d5a5329be05b80022e72df7d080.zip | |
sysfs: Add sysfs_update_groups function
Adding sysfs_update_groups function to update
multiple groups.
sysfs_update_groups - given a directory kobject, create a bunch of attribute groups
@kobj: The kobject to update the group on
@groups: The attribute groups to update, NULL terminated
This function update a bunch of attribute groups. If an error occurs when
updating a group, all previously updated groups will be removed together
with already existing (not updated) attributes.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190512155518.21468-2-jolsa@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/sysfs.h')
| -rw-r--r-- | include/linux/sysfs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 786816cf4aa5..965236795750 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -268,6 +268,8 @@ int __must_check sysfs_create_group(struct kobject *kobj, const struct attribute_group *grp); int __must_check sysfs_create_groups(struct kobject *kobj, const struct attribute_group **groups); +int __must_check sysfs_update_groups(struct kobject *kobj, + const struct attribute_group **groups); int sysfs_update_group(struct kobject *kobj, const struct attribute_group *grp); void sysfs_remove_group(struct kobject *kobj, @@ -433,6 +435,12 @@ static inline int sysfs_create_groups(struct kobject *kobj, return 0; } +static inline int sysfs_update_groups(struct kobject *kobj, + const struct attribute_group **groups) +{ + return 0; +} + static inline int sysfs_update_group(struct kobject *kobj, const struct attribute_group *grp) { |