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| author | Ingo Molnar | 2017-11-14 07:21:44 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2017-11-14 07:21:44 +0100 |
| commit | 050ab10a645097e47c01cfab3ccf24167e9b266b (patch) | |
| tree | 686b17c63933f187305a87fba696415dccd032ae /include/linux/genhd.h | |
| parent | objtool: Fix cross-build (diff) | |
| parent | x86 / CPU: Avoid unnecessary IPIs in arch_freq_get_on_cpu() (diff) | |
| download | kernel-qcow2-linux-050ab10a645097e47c01cfab3ccf24167e9b266b.tar.gz kernel-qcow2-linux-050ab10a645097e47c01cfab3ccf24167e9b266b.tar.xz kernel-qcow2-linux-050ab10a645097e47c01cfab3ccf24167e9b266b.zip | |
Merge branch 'linus' into core/objtool, to pick up dependent commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/genhd.h')
| -rw-r--r-- | include/linux/genhd.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 44790523057f..eaefb7a62f83 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -207,6 +207,7 @@ struct gendisk { #endif /* CONFIG_BLK_DEV_INTEGRITY */ int node_id; struct badblocks *bb; + struct lockdep_map lockdep_map; }; static inline struct gendisk *part_to_disk(struct hd_struct *part) @@ -591,8 +592,7 @@ extern void __delete_partition(struct percpu_ref *); extern void delete_partition(struct gendisk *, int); extern void printk_all_partitions(void); -extern struct gendisk *alloc_disk_node(int minors, int node_id); -extern struct gendisk *alloc_disk(int minors); +extern struct gendisk *__alloc_disk_node(int minors, int node_id); extern struct kobject *get_disk(struct gendisk *disk); extern void put_disk(struct gendisk *disk); extern void blk_register_region(dev_t devt, unsigned long range, @@ -616,6 +616,24 @@ extern ssize_t part_fail_store(struct device *dev, const char *buf, size_t count); #endif /* CONFIG_FAIL_MAKE_REQUEST */ +#define alloc_disk_node(minors, node_id) \ +({ \ + static struct lock_class_key __key; \ + const char *__name; \ + struct gendisk *__disk; \ + \ + __name = "(gendisk_completion)"#minors"("#node_id")"; \ + \ + __disk = __alloc_disk_node(minors, node_id); \ + \ + if (__disk) \ + lockdep_init_map(&__disk->lockdep_map, __name, &__key, 0); \ + \ + __disk; \ +}) + +#define alloc_disk(minors) alloc_disk_node(minors, NUMA_NO_NODE) + static inline int hd_ref_init(struct hd_struct *part) { if (percpu_ref_init(&part->ref, __delete_partition, 0, |