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bdi: Provide bdi_register_va() and bdi_alloc()

Add function that registers bdi and takes va_list instead of variable number of arguments. Add bdi_alloc() as simple wrapper for NUMA-unaware users allocating BDI.

Jan Kara committed 9 years ago

Commit baf7a611 parent 2bc19cd2 files · +21 −5Browse files

Showing the changes to include/linux/backing-dev.h (1 of 2 files). Show all

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include/linux/backing-dev.h+6−0
@@ -30,6 +30,8 @@ void bdi_put(struct backing_dev_info *bdi); · 29 unmodified lines
30__printf(3, 4)30__printf(3, 4)
31int bdi_register(struct backing_dev_info *bdi, struct device *parent,31int bdi_register(struct backing_dev_info *bdi, struct device *parent,
32 const char *fmt, ...);32 const char *fmt, ...);
33int bdi_register_va(struct backing_dev_info *bdi, struct device *parent,
34 const char *fmt, va_list args);
33int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);35int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);
34int bdi_register_owner(struct backing_dev_info *bdi, struct device *owner);36int bdi_register_owner(struct backing_dev_info *bdi, struct device *owner);
35void bdi_unregister(struct backing_dev_info *bdi);37void bdi_unregister(struct backing_dev_info *bdi);
@@ -37,6 +39,10 @@ void bdi_unregister(struct backing_dev_info *bdi); · 1 unmodified line
37int __must_check bdi_setup_and_register(struct backing_dev_info *, char *);39int __must_check bdi_setup_and_register(struct backing_dev_info *, char *);
38void bdi_destroy(struct backing_dev_info *bdi);40void bdi_destroy(struct backing_dev_info *bdi);
39struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id);41struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id);
42static inline struct backing_dev_info *bdi_alloc(gfp_t gfp_mask)
43{
44 return bdi_alloc_node(gfp_mask, NUMA_NO_NODE);
45}
40 46
41void wb_start_writeback(struct bdi_writeback *wb, long nr_pages,47void wb_start_writeback(struct bdi_writeback *wb, long nr_pages,
42 bool range_cyclic, enum wb_reason reason);48 bool range_cyclic, enum wb_reason reason);