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| author |   Jan Kara <jack@suse.cz> | 2017-04-12 12:24:25 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2017-04-20 12:09:55 -0600 |
| commit | baf7a616d537f577d33b7d9986f40532e2bd9f66 (patch) | |
| tree | 3eaedfef1afdc00ab57824802669d0f3f5a70d5e /include/linux/backing-dev.h | |
| parent | blk-throttle: fix unused variable warning with BLK_DEV_THROTTLING_LOW=n (diff) | |
| download | linux-dev-baf7a616d537f577d33b7d9986f40532e2bd9f66.tar.xz linux-dev-baf7a616d537f577d33b7d9986f40532e2bd9f66.zip | |
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.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/backing-dev.h')
| -rw-r--r-- | include/linux/backing-dev.h | 6 |
1 files changed, 6 insertions, 0 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); |