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| author | Jens Axboe <axboe@fb.com> | 2017-02-17 14:08:19 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-17 14:08:19 -0700 |
| commit | 818551e2b2c662a1b26de6b4f7d6b8411a838d18 (patch) | |
| tree | f38b4c951df4d33db81ae7b7765a56bce491c2a8 /include/linux/backing-dev.h | |
| parent | 6010720da8aab51f33beee63b73cf88016e9b250 (diff) | |
| parent | 7520872c0cf4d3df6d74242c6edfb9e70a47df4d (diff) | |
| download | lwn-818551e2b2c662a1b26de6b4f7d6b8411a838d18.tar.gz lwn-818551e2b2c662a1b26de6b4f7d6b8411a838d18.zip | |
Merge branch 'for-4.11/next' into for-4.11/linus-merge
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/backing-dev.h')
| -rw-r--r-- | include/linux/backing-dev.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 43b93a947e61..c52a48cb9a66 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -18,7 +18,14 @@ #include <linux/slab.h> int __must_check bdi_init(struct backing_dev_info *bdi); -void bdi_exit(struct backing_dev_info *bdi); + +static inline struct backing_dev_info *bdi_get(struct backing_dev_info *bdi) +{ + kref_get(&bdi->refcnt); + return bdi; +} + +void bdi_put(struct backing_dev_info *bdi); __printf(3, 4) int bdi_register(struct backing_dev_info *bdi, struct device *parent, @@ -29,6 +36,7 @@ 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); void wb_start_writeback(struct bdi_writeback *wb, long nr_pages, bool range_cyclic, enum wb_reason reason); @@ -183,7 +191,7 @@ static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) sb = inode->i_sb; #ifdef CONFIG_BLOCK if (sb_is_blkdev_sb(sb)) - return blk_get_backing_dev_info(I_BDEV(inode)); + return I_BDEV(inode)->bd_bdi; #endif return sb->s_bdi; } |