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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-10-29 15:59:26 +0300 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-10-29 15:59:26 +0300 |
| commit | b9d128f1088ea5245109dfc9bbceb128b6371a77 (patch) | |
| tree | 63e85f281dd372e77af4022e2235a4e5a46287de /include/linux/backing-dev.h | |
| parent | a870a3a485ddf7c0dec549269ed71d169556d61c (diff) | |
| download | linux-b9d128f1088ea5245109dfc9bbceb128b6371a77.tar.xz | |
block: move bdi/address_space unplug functions to backing-dev.h
There's nothing block related about them, the backing device
is used by things like NFS etc as well. This gets rid of the
need to protect such calls by CONFIG_BLOCK.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/backing-dev.h')
| -rw-r--r-- | include/linux/backing-dev.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index b449e738533a..fcbc26af00e4 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -331,4 +331,17 @@ static inline int bdi_sched_wait(void *word) return 0; } +static inline void blk_run_backing_dev(struct backing_dev_info *bdi, + struct page *page) +{ + if (bdi && bdi->unplug_io_fn) + bdi->unplug_io_fn(bdi, page); +} + +static inline void blk_run_address_space(struct address_space *mapping) +{ + if (mapping) + blk_run_backing_dev(mapping->backing_dev_info, NULL); +} + #endif /* _LINUX_BACKING_DEV_H */ |