diff options
Diffstat (limited to '')
| -rw-r--r-- | include/linux/backing-dev.h | 6 | ||||
| -rw-r--r-- | mm/backing-dev.c | 20 |
2 files changed, 21 insertions, 5 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index c52a48cb9a66..47a98e6e2a65 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -30,6 +30,8 @@ void bdi_put(struct backing_dev_info *bdi); __printf(3, 4) int bdi_register(struct backing_dev_info *bdi, struct device *parent, const char *fmt, ...); +int bdi_register_va(struct backing_dev_info *bdi, struct device *parent, + const char *fmt, va_list args); int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev); int bdi_register_owner(struct backing_dev_info *bdi, struct device *owner); void bdi_unregister(struct backing_dev_info *bdi); @@ -37,6 +39,10 @@ void bdi_unregister(struct backing_dev_info *bdi); int __must_check bdi_setup_and_register(struct backing_dev_info *, char *); void bdi_destroy(struct backing_dev_info *bdi); struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id); +static inline struct backing_dev_info *bdi_alloc(gfp_t gfp_mask) +{ + return bdi_alloc_node(gfp_mask, NUMA_NO_NODE); +} void wb_start_writeback(struct bdi_writeback *wb, long nr_pages, bool range_cyclic, enum wb_reason reason); diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 3ea3bbd921d6..e5e0972bdd6f 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -856,18 +856,15 @@ struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id) return bdi; } -int bdi_register(struct backing_dev_info *bdi, struct device *parent, - const char *fmt, ...) +int bdi_register_va(struct backing_dev_info *bdi, struct device *parent, + const char *fmt, va_list args) { - va_list args; struct device *dev; if (bdi->dev) /* The driver needs to use separate queues per device */ return 0; - va_start(args, fmt); dev = device_create_vargs(bdi_class, parent, MKDEV(0, 0), bdi, fmt, args); - va_end(args); if (IS_ERR(dev)) return PTR_ERR(dev); @@ -884,6 +881,19 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent, trace_writeback_bdi_register(bdi); return 0; } +EXPORT_SYMBOL(bdi_register_va); + +int bdi_register(struct backing_dev_info *bdi, struct device *parent, + const char *fmt, ...) +{ + va_list args; + int ret; + + va_start(args, fmt); + ret = bdi_register_va(bdi, parent, fmt, args); + va_end(args); + return ret; +} EXPORT_SYMBOL(bdi_register); int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev) |